diff mbox series

[4/8] socket: Add time64 alias for sendmmsg

Message ID 2da65ac5bceca941853ff51af8f8e677bcf96546.1625492203.git.fweimer@redhat.com
State Superseded
Delegated to: Adhemerval Zanella Netto
Headers show
Series Additional time64 aliases | expand

Checks

Context Check Description
dj/TryBot-apply_patch success Patch applied to master at the time it was sent

Commit Message

Florian Weimer July 5, 2021, 1:42 p.m. UTC
---
 socket/sys/socket.h                           |  14 +-
 sysdeps/unix/sysv/linux/Makefile              |   4 +-
 sysdeps/unix/sysv/linux/Versions              |   1 +
 sysdeps/unix/sysv/linux/arm/be/libc.abilist   |   1 +
 sysdeps/unix/sysv/linux/arm/le/libc.abilist   |   1 +
 sysdeps/unix/sysv/linux/csky/libc.abilist     |   1 +
 sysdeps/unix/sysv/linux/hppa/libc.abilist     |   1 +
 sysdeps/unix/sysv/linux/i386/libc.abilist     |   1 +
 .../sysv/linux/m68k/coldfire/libc.abilist     |   1 +
 .../unix/sysv/linux/m68k/m680x0/libc.abilist  |   1 +
 .../sysv/linux/microblaze/be/libc.abilist     |   1 +
 .../sysv/linux/microblaze/le/libc.abilist     |   1 +
 .../sysv/linux/mips/mips32/fpu/libc.abilist   |   1 +
 .../sysv/linux/mips/mips32/nofpu/libc.abilist |   1 +
 .../sysv/linux/mips/mips64/n32/libc.abilist   |   1 +
 sysdeps/unix/sysv/linux/nios2/libc.abilist    |   1 +
 .../linux/powerpc/powerpc32/fpu/libc.abilist  |   1 +
 .../powerpc/powerpc32/nofpu/libc.abilist      |   1 +
 .../unix/sysv/linux/s390/s390-32/libc.abilist |   1 +
 sysdeps/unix/sysv/linux/sendmmsg.c            |   3 +
 sysdeps/unix/sysv/linux/sh/be/libc.abilist    |   1 +
 sysdeps/unix/sysv/linux/sh/le/libc.abilist    |   1 +
 .../sysv/linux/sparc/sparc32/libc.abilist     |   1 +
 .../unix/sysv/linux/tst-scm_rights-time64.c   |   1 +
 sysdeps/unix/sysv/linux/tst-scm_rights.c      | 186 ++++++++++++++++++
 25 files changed, 226 insertions(+), 2 deletions(-)
 create mode 100644 sysdeps/unix/sysv/linux/tst-scm_rights-time64.c
 create mode 100644 sysdeps/unix/sysv/linux/tst-scm_rights.c

Comments

Lukasz Majewski July 20, 2021, 8:56 a.m. UTC | #1
On Mon, 05 Jul 2021 15:42:08 +0200
Florian Weimer via Libc-alpha <libc-alpha@sourceware.org> wrote:

> ---
>  socket/sys/socket.h                           |  14 +-
>  sysdeps/unix/sysv/linux/Makefile              |   4 +-
>  sysdeps/unix/sysv/linux/Versions              |   1 +
>  sysdeps/unix/sysv/linux/arm/be/libc.abilist   |   1 +
>  sysdeps/unix/sysv/linux/arm/le/libc.abilist   |   1 +
>  sysdeps/unix/sysv/linux/csky/libc.abilist     |   1 +
>  sysdeps/unix/sysv/linux/hppa/libc.abilist     |   1 +
>  sysdeps/unix/sysv/linux/i386/libc.abilist     |   1 +
>  .../sysv/linux/m68k/coldfire/libc.abilist     |   1 +
>  .../unix/sysv/linux/m68k/m680x0/libc.abilist  |   1 +
>  .../sysv/linux/microblaze/be/libc.abilist     |   1 +
>  .../sysv/linux/microblaze/le/libc.abilist     |   1 +
>  .../sysv/linux/mips/mips32/fpu/libc.abilist   |   1 +
>  .../sysv/linux/mips/mips32/nofpu/libc.abilist |   1 +
>  .../sysv/linux/mips/mips64/n32/libc.abilist   |   1 +
>  sysdeps/unix/sysv/linux/nios2/libc.abilist    |   1 +
>  .../linux/powerpc/powerpc32/fpu/libc.abilist  |   1 +
>  .../powerpc/powerpc32/nofpu/libc.abilist      |   1 +
>  .../unix/sysv/linux/s390/s390-32/libc.abilist |   1 +
>  sysdeps/unix/sysv/linux/sendmmsg.c            |   3 +
>  sysdeps/unix/sysv/linux/sh/be/libc.abilist    |   1 +
>  sysdeps/unix/sysv/linux/sh/le/libc.abilist    |   1 +
>  .../sysv/linux/sparc/sparc32/libc.abilist     |   1 +
>  .../unix/sysv/linux/tst-scm_rights-time64.c   |   1 +
>  sysdeps/unix/sysv/linux/tst-scm_rights.c      | 186
> ++++++++++++++++++ 25 files changed, 226 insertions(+), 2 deletions(-)
>  create mode 100644 sysdeps/unix/sysv/linux/tst-scm_rights-time64.c
>  create mode 100644 sysdeps/unix/sysv/linux/tst-scm_rights.c
> 
> diff --git a/socket/sys/socket.h b/socket/sys/socket.h
> index 5577e75b80..d02d976bb5 100644
> --- a/socket/sys/socket.h
> +++ b/socket/sys/socket.h
> @@ -179,9 +179,21 @@ extern ssize_t sendmsg (int __fd, const struct
> msghdr *__message, 
>     This function is a cancellation point and therefore not marked
> with __THROW.  */
> +# ifndef __USE_TIME_BITS64
>  extern int sendmmsg (int __fd, struct mmsghdr *__vmessages,
>  		     unsigned int __vlen, int __flags);
> -#endif
> +# else
> +#  ifdef __REDIRECT
> +extern int __REDIRECT (sendmmsg, (int __fd, struct mmsghdr
> *__vmessages,
> +				  unsigned int __vlen, int __flags),
> +		       __sendmmsg64);
> +#  else
> +extern int __sendmmsg64 (int __fd, struct mmsghdr *__vmessages,
> +			 unsigned int __vlen, int __flags);
> +#   define sendmmsg __sendmmsg64
> +#  endif
> +# endif	 /* __USE_TIME_BITS64 */
> +#endif /* __USE_GNU */
>  
>  /* Receive a message as described by MESSAGE from socket FD.
>     Returns the number of bytes read or -1 for errors.
> diff --git a/sysdeps/unix/sysv/linux/Makefile
> b/sysdeps/unix/sysv/linux/Makefile index 6fe358cecc..cd13ab4e6a 100644
> --- a/sysdeps/unix/sysv/linux/Makefile
> +++ b/sysdeps/unix/sysv/linux/Makefile
> @@ -116,7 +116,8 @@ tests += tst-clone tst-clone2 tst-clone3
> tst-fanotify tst-personality \ tst-tgkill tst-sysvsem-linux
> tst-sysvmsg-linux tst-sysvshm-linux \ tst-timerfd tst-ppoll \
>  	 tst-clock_adjtime tst-adjtimex tst-ntp_adjtime
> tst-ntp_gettime \
> -	 tst-ntp_gettimex tst-sigtimedwait tst-misalign-clone
> tst-prctl
> +	 tst-ntp_gettimex tst-sigtimedwait tst-misalign-clone
> tst-prctl \
> +	 tst-scm_rights
>  
>  # Test for the symbol version of fcntl that was replaced in glibc
> 2.28. ifeq ($(have-GLIBC_2.27)$(build-shared),yesyes)
> @@ -135,6 +136,7 @@ tests-time64 += \
>    tst-sigtimedwait-time64 \
>    tst-timerfd-time64 \
>    tst-prctl-time64 \
> +  tst-scm_rights-time64 \
>    # tests-time64
>  
>  CFLAGS-tst-sigcontext-get_pc.c = -fasynchronous-unwind-tables
> diff --git a/sysdeps/unix/sysv/linux/Versions
> b/sysdeps/unix/sysv/linux/Versions index 97e1e81801..0fc5d59608 100644
> --- a/sysdeps/unix/sysv/linux/Versions
> +++ b/sysdeps/unix/sysv/linux/Versions
> @@ -265,6 +265,7 @@ libc {
>      __semctl64;
>      __semtimedop64;
>      __sem_timedwait64;
> +    __sendmmsg64;
>      __setitimer64;
>      __settimeofday64;
>      __shmctl64;
> diff --git a/sysdeps/unix/sysv/linux/arm/be/libc.abilist
> b/sysdeps/unix/sysv/linux/arm/be/libc.abilist index
> 06deef986f..6654462ff2 100644 ---
> a/sysdeps/unix/sysv/linux/arm/be/libc.abilist +++
> b/sysdeps/unix/sysv/linux/arm/be/libc.abilist @@ -268,6 +268,7 @@
> GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/arm/le/libc.abilist
> b/sysdeps/unix/sysv/linux/arm/le/libc.abilist index
> cb5a95ebb9..e4f66ebad8 100644 ---
> a/sysdeps/unix/sysv/linux/arm/le/libc.abilist +++
> b/sysdeps/unix/sysv/linux/arm/le/libc.abilist @@ -265,6 +265,7 @@
> GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/csky/libc.abilist
> b/sysdeps/unix/sysv/linux/csky/libc.abilist index
> 76a1898218..b145b90667 100644 ---
> a/sysdeps/unix/sysv/linux/csky/libc.abilist +++
> b/sysdeps/unix/sysv/linux/csky/libc.abilist @@ -2400,6 +2400,7 @@
> GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist
> b/sysdeps/unix/sysv/linux/hppa/libc.abilist index
> cb135fe6ca..2fcd2408ee 100644 ---
> a/sysdeps/unix/sysv/linux/hppa/libc.abilist +++
> b/sysdeps/unix/sysv/linux/hppa/libc.abilist @@ -2353,6 +2353,7 @@
> GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist
> b/sysdeps/unix/sysv/linux/i386/libc.abilist index
> 8941056337..9876c4fccc 100644 ---
> a/sysdeps/unix/sysv/linux/i386/libc.abilist +++
> b/sysdeps/unix/sysv/linux/i386/libc.abilist @@ -2537,6 +2537,7 @@
> GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
> b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist index
> 7cec07ea16..1db5f6ac97 100644 ---
> a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist +++
> b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist @@ -269,6 +269,7
> @@ GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
> b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist index
> edc488fe98..9ff084727a 100644 ---
> a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist +++
> b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist @@ -2480,6 +2480,7
> @@ GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
> b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist index
> b382d9b268..9bf0dc86d3 100644 ---
> a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist +++
> b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist @@ -2451,6
> +2451,7 @@ GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34
> __sem_timedwait64 F GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
> b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist index
> 75752d1400..6eca8d3e65 100644 ---
> a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist +++
> b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist @@ -2448,6
> +2448,7 @@ GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34
> __sem_timedwait64 F GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
> b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist index
> e362490afb..3e10357c37 100644 ---
> a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist +++
> b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist @@ -2445,6
> +2445,7 @@ GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34
> __sem_timedwait64 F GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
> b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist index
> d2eba312a7..40def98ca7 100644 ---
> a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist +++
> b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist @@ -2443,6
> +2443,7 @@ GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34
> __sem_timedwait64 F GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
> b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist index
> ec5d956d0c..21decc1ba4 100644 ---
> a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist +++
> b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist @@ -2451,6
> +2451,7 @@ GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34
> __sem_timedwait64 F GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/nios2/libc.abilist
> b/sysdeps/unix/sysv/linux/nios2/libc.abilist index
> 5ffbab4d4c..c4a1d8f8dd 100644 ---
> a/sysdeps/unix/sysv/linux/nios2/libc.abilist +++
> b/sysdeps/unix/sysv/linux/nios2/libc.abilist @@ -2490,6 +2490,7 @@
> GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git
> a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
> b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist index
> d4ba30a441..3afedd33c3 100644 ---
> a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist +++
> b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist @@
> -2507,6 +2507,7 @@ GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34
> __sem_timedwait64 F GLIBC_2.34 __semctl64 F GLIBC_2.34 __semtimedop64
> F +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git
> a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
> b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist index
> 8eb206d36e..3d0366c7d5 100644 ---
> a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist +++
> b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist @@
> -2540,6 +2540,7 @@ GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34
> __sem_timedwait64 F GLIBC_2.34 __semctl64 F GLIBC_2.34 __semtimedop64
> F +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
> b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist index
> a3c80bc9ba..1323f731dd 100644 ---
> a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist +++
> b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist @@ -2505,6
> +2505,7 @@ GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34
> __sem_timedwait64 F GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/sendmmsg.c
> b/sysdeps/unix/sysv/linux/sendmmsg.c index 6093e9ed70..10aaff4d1f
> 100644 --- a/sysdeps/unix/sysv/linux/sendmmsg.c
> +++ b/sysdeps/unix/sysv/linux/sendmmsg.c
> @@ -35,3 +35,6 @@ __sendmmsg (int fd, struct mmsghdr *vmessages,
> unsigned int vlen, int flags) }
>  libc_hidden_def (__sendmmsg)
>  weak_alias (__sendmmsg, sendmmsg)
> +#if __TIMESIZE != 64
> +weak_alias (__sendmmsg, __sendmmsg64)
> +#endif
> diff --git a/sysdeps/unix/sysv/linux/sh/be/libc.abilist
> b/sysdeps/unix/sysv/linux/sh/be/libc.abilist index
> 6692749dac..af375af8d1 100644 ---
> a/sysdeps/unix/sysv/linux/sh/be/libc.abilist +++
> b/sysdeps/unix/sysv/linux/sh/be/libc.abilist @@ -2360,6 +2360,7 @@
> GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/sh/le/libc.abilist
> b/sysdeps/unix/sysv/linux/sh/le/libc.abilist index
> 2207e3811c..e151761455 100644 ---
> a/sysdeps/unix/sysv/linux/sh/le/libc.abilist +++
> b/sysdeps/unix/sysv/linux/sh/le/libc.abilist @@ -2357,6 +2357,7 @@
> GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
> b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist index
> 16099127e5..ca186834b4 100644 ---
> a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist +++
> b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist @@ -2500,6
> +2500,7 @@ GLIBC_2.34 __sem_clockwait64 F GLIBC_2.34
> __sem_timedwait64 F GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/tst-scm_rights-time64.c
> b/sysdeps/unix/sysv/linux/tst-scm_rights-time64.c new file mode 100644
> index 0000000000..302613cbfa
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/tst-scm_rights-time64.c
> @@ -0,0 +1 @@
> +#include "tst-scm_rights.c"
> diff --git a/sysdeps/unix/sysv/linux/tst-scm_rights.c
> b/sysdeps/unix/sysv/linux/tst-scm_rights.c new file mode 100644
> index 0000000000..c85b873125
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/tst-scm_rights.c
> @@ -0,0 +1,186 @@
> +/* Smoke test for SCM_RIGHTS.
> +   Copyright (C) 2021 Free Software Foundation, Inc.
> +   This file is part of the GNU C Library.
> +
> +   The GNU C Library is free software; you can redistribute it and/or
> +   modify it under the terms of the GNU Lesser General Public
> +   License as published by the Free Software Foundation; either
> +   version 2.1 of the License, or (at your option) any later version.
> +
> +   The GNU C Library is distributed in the hope that it will be
> useful,
> +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> +   Lesser General Public License for more details.
> +
> +   You should have received a copy of the GNU Lesser General Public
> +   License along with the GNU C Library; if not, see
> +   <https://www.gnu.org/licenses/>.  */
> +
> +/* This test passes a file descriptor from a subprocess to the parent
> +   process, using recvmsg/sendmsg or recvmmsg/sendmmsg.  */
> +
> +#include <fcntl.h>
> +#include <signal.h>
> +#include <stdbool.h>
> +#include <string.h>
> +#include <support/check.h>
> +#include <support/xunistd.h>
> +#include <sys/socket.h>
> +#include <sys/wait.h>
> +#include <unistd.h>
> +
> +/* String sent over the socket.  */
> +static char DATA[] = "descriptor";
> +
> +/* Path that is to be opened and sent over the socket.  */
> +#define PATH "/etc"
> +
> +/* True if sendmmsg/recvmmsg is to be used.  */
> +static bool use_multi_call;
> +
> +/* The pair of sockets used for coordination.  The subprocess uses
> +   sockets[1].  */
> +static int sockets[2];
> +
> +/* Subprocess side of one send/receive test.  */
> +_Noreturn static void
> +subprocess (void)
> +{
> +  /* The file descriptor to send.  */
> +  int fd = xopen (PATH, O_RDONLY, 0);
> +
> +  struct iovec iov = { .iov_base = DATA, .iov_len = sizeof (DATA) };
> +  union
> +  {
> +    struct cmsghdr header;
> +    char bytes[CMSG_SPACE (sizeof (int))];
> +  } cmsg_storage;
> +  struct mmsghdr mmhdr =
> +    {
> +      .msg_hdr =
> +      {
> +        .msg_iov = &iov,
> +        .msg_iovlen = 1,
> +        .msg_control = cmsg_storage.bytes,
> +        .msg_controllen = sizeof (cmsg_storage),
> +      },
> +    };
> +
> +  /* Configure the file descriptor for sending.  */
> +  struct cmsghdr *cmsg = CMSG_FIRSTHDR (&mmhdr.msg_hdr);
> +  cmsg->cmsg_level = SOL_SOCKET;
> +  cmsg->cmsg_type = SCM_RIGHTS;
> +  cmsg->cmsg_len = CMSG_LEN (sizeof (int));
> +  memcpy (CMSG_DATA (cmsg), &fd, sizeof (fd));
> +  mmhdr.msg_hdr.msg_controllen = cmsg->cmsg_len;
> +
> +  /* Perform the send operation.  */
> +  int ret;
> +  if (use_multi_call)
> +    {
> +      ret = sendmmsg (sockets[1], &mmhdr, 1, 0);
> +      if (ret >= 0)
> +        ret = mmhdr.msg_len;
> +    }
> +  else
> +    ret = sendmsg (sockets[1], &mmhdr.msg_hdr, 0);
> +  TEST_COMPARE (ret, sizeof (DATA));
> +
> +  xclose (fd);
> +
> +  /* Stop the process from exiting.  */
> +  while (true)
> +    pause ();
> +}
> +
> +/* Performs one send/receive test.  */
> +static void
> +one_test (void)
> +{
> +  TEST_COMPARE (socketpair (AF_UNIX, SOCK_STREAM, 0, sockets), 0);
> +
> +  pid_t pid = xfork ();
> +  if (pid == 0)
> +    subprocess ();
> +
> +  char data_storage[sizeof (DATA) + 1];
> +  struct iovec iov =
> +    {
> +      .iov_base = data_storage,
> +      .iov_len = sizeof (data_storage)
> +    };
> +  union
> +  {
> +    struct cmsghdr header;
> +    char bytes[CMSG_SPACE (sizeof (int))];
> +  } cmsg_storage;
> +  struct mmsghdr mmhdr =
> +    {
> +      .msg_hdr =
> +      {
> +        .msg_iov = &iov,
> +        .msg_iovlen = 1,
> +        .msg_control = cmsg_storage.bytes,
> +        .msg_controllen = sizeof (cmsg_storage),
> +      },
> +    };
> +
> +  /* Set up the space for receiving the file descriptor.  */
> +  struct cmsghdr *cmsg = CMSG_FIRSTHDR (&mmhdr.msg_hdr);
> +  cmsg->cmsg_level = SOL_SOCKET;
> +  cmsg->cmsg_type = SCM_RIGHTS;
> +  cmsg->cmsg_len = CMSG_LEN (sizeof (int));
> +  mmhdr.msg_hdr.msg_controllen = cmsg->cmsg_len;
> +
> +  /* Perform the receive operation.  */
> +  int ret;
> +  if (use_multi_call)
> +    {
> +      ret = recvmmsg (sockets[0], &mmhdr, 1, 0, NULL);
> +      if (ret >= 0)
> +        ret = mmhdr.msg_len;
> +    }
> +  else
> +    ret = recvmsg (sockets[0], &mmhdr.msg_hdr, 0);
> +  TEST_COMPARE (ret, sizeof (DATA));
> +  TEST_COMPARE_BLOB (data_storage, sizeof (DATA), DATA, sizeof
> (DATA)); +
> +  /* Extract the file descriptor.  */
> +  TEST_VERIFY (CMSG_FIRSTHDR (&mmhdr.msg_hdr) != NULL);
> +  TEST_COMPARE (CMSG_FIRSTHDR (&mmhdr.msg_hdr)->cmsg_len,
> +                CMSG_LEN (sizeof (int)));
> +  TEST_VERIFY (&cmsg_storage.header == CMSG_FIRSTHDR
> (&mmhdr.msg_hdr));
> +  int fd;
> +  memcpy (&fd, CMSG_DATA (CMSG_FIRSTHDR (&mmhdr.msg_hdr)), sizeof
> (fd)); +
> +  /* Verify the received file descriptor.  */
> +  TEST_VERIFY (fd > 2);
> +  struct stat64 st_fd;
> +  TEST_COMPARE (fstat64 (fd, &st_fd), 0);
> +  struct stat64 st_path;
> +  TEST_COMPARE (stat64 (PATH, &st_path), 0);
> +  TEST_COMPARE (st_fd.st_ino, st_path.st_ino);
> +  TEST_COMPARE (st_fd.st_dev, st_path.st_dev);
> +  xclose (fd);
> +
> +  /* Terminate the subprocess.  */
> +  TEST_COMPARE (kill (pid, SIGUSR1), 0);
> +  int status;
> +  TEST_COMPARE (xwaitpid (pid, &status, 0), pid);
> +  TEST_VERIFY (WIFSIGNALED (status));
> +  TEST_COMPARE (WTERMSIG (status), SIGUSR1);
> +
> +  xclose (sockets[0]);
> +  xclose (sockets[1]);
> +}
> +
> +static int
> +do_test (void)
> +{
> +  one_test ();
> +  use_multi_call = true;
> +  one_test ();
> +  return 0;
> +}
> +
> +#include <support/test-driver.c>

Reviewed-by: Lukasz Majewski <lukma@denx.de>


Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@denx.de
Adhemerval Zanella July 20, 2021, 7:55 p.m. UTC | #2
LGTM, thanks.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

On 05/07/2021 10:42, Florian Weimer via Libc-alpha wrote:
> ---
>  socket/sys/socket.h                           |  14 +-
>  sysdeps/unix/sysv/linux/Makefile              |   4 +-
>  sysdeps/unix/sysv/linux/Versions              |   1 +
>  sysdeps/unix/sysv/linux/arm/be/libc.abilist   |   1 +
>  sysdeps/unix/sysv/linux/arm/le/libc.abilist   |   1 +
>  sysdeps/unix/sysv/linux/csky/libc.abilist     |   1 +
>  sysdeps/unix/sysv/linux/hppa/libc.abilist     |   1 +
>  sysdeps/unix/sysv/linux/i386/libc.abilist     |   1 +
>  .../sysv/linux/m68k/coldfire/libc.abilist     |   1 +
>  .../unix/sysv/linux/m68k/m680x0/libc.abilist  |   1 +
>  .../sysv/linux/microblaze/be/libc.abilist     |   1 +
>  .../sysv/linux/microblaze/le/libc.abilist     |   1 +
>  .../sysv/linux/mips/mips32/fpu/libc.abilist   |   1 +
>  .../sysv/linux/mips/mips32/nofpu/libc.abilist |   1 +
>  .../sysv/linux/mips/mips64/n32/libc.abilist   |   1 +
>  sysdeps/unix/sysv/linux/nios2/libc.abilist    |   1 +
>  .../linux/powerpc/powerpc32/fpu/libc.abilist  |   1 +
>  .../powerpc/powerpc32/nofpu/libc.abilist      |   1 +
>  .../unix/sysv/linux/s390/s390-32/libc.abilist |   1 +
>  sysdeps/unix/sysv/linux/sendmmsg.c            |   3 +
>  sysdeps/unix/sysv/linux/sh/be/libc.abilist    |   1 +
>  sysdeps/unix/sysv/linux/sh/le/libc.abilist    |   1 +
>  .../sysv/linux/sparc/sparc32/libc.abilist     |   1 +
>  .../unix/sysv/linux/tst-scm_rights-time64.c   |   1 +
>  sysdeps/unix/sysv/linux/tst-scm_rights.c      | 186 ++++++++++++++++++
>  25 files changed, 226 insertions(+), 2 deletions(-)
>  create mode 100644 sysdeps/unix/sysv/linux/tst-scm_rights-time64.c
>  create mode 100644 sysdeps/unix/sysv/linux/tst-scm_rights.c
> 
> diff --git a/socket/sys/socket.h b/socket/sys/socket.h
> index 5577e75b80..d02d976bb5 100644
> --- a/socket/sys/socket.h
> +++ b/socket/sys/socket.h
> @@ -179,9 +179,21 @@ extern ssize_t sendmsg (int __fd, const struct msghdr *__message,
>  
>     This function is a cancellation point and therefore not marked with
>     __THROW.  */
> +# ifndef __USE_TIME_BITS64
>  extern int sendmmsg (int __fd, struct mmsghdr *__vmessages,
>  		     unsigned int __vlen, int __flags);
> -#endif
> +# else
> +#  ifdef __REDIRECT
> +extern int __REDIRECT (sendmmsg, (int __fd, struct mmsghdr *__vmessages,
> +				  unsigned int __vlen, int __flags),
> +		       __sendmmsg64);
> +#  else
> +extern int __sendmmsg64 (int __fd, struct mmsghdr *__vmessages,
> +			 unsigned int __vlen, int __flags);
> +#   define sendmmsg __sendmmsg64
> +#  endif
> +# endif	 /* __USE_TIME_BITS64 */
> +#endif /* __USE_GNU */
>  
>  /* Receive a message as described by MESSAGE from socket FD.
>     Returns the number of bytes read or -1 for errors.

Ok.

> diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
> index 6fe358cecc..cd13ab4e6a 100644
> --- a/sysdeps/unix/sysv/linux/Makefile
> +++ b/sysdeps/unix/sysv/linux/Makefile
> @@ -116,7 +116,8 @@ tests += tst-clone tst-clone2 tst-clone3 tst-fanotify tst-personality \
>  	 tst-tgkill tst-sysvsem-linux tst-sysvmsg-linux tst-sysvshm-linux \
>  	 tst-timerfd tst-ppoll \
>  	 tst-clock_adjtime tst-adjtimex tst-ntp_adjtime tst-ntp_gettime \
> -	 tst-ntp_gettimex tst-sigtimedwait tst-misalign-clone tst-prctl
> +	 tst-ntp_gettimex tst-sigtimedwait tst-misalign-clone tst-prctl \
> +	 tst-scm_rights
>  
>  # Test for the symbol version of fcntl that was replaced in glibc 2.28.
>  ifeq ($(have-GLIBC_2.27)$(build-shared),yesyes)
> @@ -135,6 +136,7 @@ tests-time64 += \
>    tst-sigtimedwait-time64 \
>    tst-timerfd-time64 \
>    tst-prctl-time64 \
> +  tst-scm_rights-time64 \
>    # tests-time64
>  
>  CFLAGS-tst-sigcontext-get_pc.c = -fasynchronous-unwind-tables

Ok.

> diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions
> index 97e1e81801..0fc5d59608 100644
> --- a/sysdeps/unix/sysv/linux/Versions
> +++ b/sysdeps/unix/sysv/linux/Versions
> @@ -265,6 +265,7 @@ libc {
>      __semctl64;
>      __semtimedop64;
>      __sem_timedwait64;
> +    __sendmmsg64;
>      __setitimer64;
>      __settimeofday64;
>      __shmctl64;

Ok.

> diff --git a/sysdeps/unix/sysv/linux/arm/be/libc.abilist b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
> index 06deef986f..6654462ff2 100644
> --- a/sysdeps/unix/sysv/linux/arm/be/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
> @@ -268,6 +268,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/arm/le/libc.abilist b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
> index cb5a95ebb9..e4f66ebad8 100644
> --- a/sysdeps/unix/sysv/linux/arm/le/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
> @@ -265,6 +265,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/csky/libc.abilist b/sysdeps/unix/sysv/linux/csky/libc.abilist
> index 76a1898218..b145b90667 100644
> --- a/sysdeps/unix/sysv/linux/csky/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/csky/libc.abilist
> @@ -2400,6 +2400,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist
> index cb135fe6ca..2fcd2408ee 100644
> --- a/sysdeps/unix/sysv/linux/hppa/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist
> @@ -2353,6 +2353,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist
> index 8941056337..9876c4fccc 100644
> --- a/sysdeps/unix/sysv/linux/i386/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/i386/libc.abilist
> @@ -2537,6 +2537,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
> index 7cec07ea16..1db5f6ac97 100644
> --- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
> @@ -269,6 +269,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
> index edc488fe98..9ff084727a 100644
> --- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
> @@ -2480,6 +2480,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
> index b382d9b268..9bf0dc86d3 100644
> --- a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
> @@ -2451,6 +2451,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
> index 75752d1400..6eca8d3e65 100644
> --- a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
> @@ -2448,6 +2448,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
> index e362490afb..3e10357c37 100644
> --- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
> @@ -2445,6 +2445,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
> index d2eba312a7..40def98ca7 100644
> --- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
> @@ -2443,6 +2443,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
> index ec5d956d0c..21decc1ba4 100644
> --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
> @@ -2451,6 +2451,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/nios2/libc.abilist b/sysdeps/unix/sysv/linux/nios2/libc.abilist
> index 5ffbab4d4c..c4a1d8f8dd 100644
> --- a/sysdeps/unix/sysv/linux/nios2/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/nios2/libc.abilist
> @@ -2490,6 +2490,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
> index d4ba30a441..3afedd33c3 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
> @@ -2507,6 +2507,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
> index 8eb206d36e..3d0366c7d5 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
> @@ -2540,6 +2540,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
> index a3c80bc9ba..1323f731dd 100644
> --- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
> @@ -2505,6 +2505,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/sendmmsg.c b/sysdeps/unix/sysv/linux/sendmmsg.c
> index 6093e9ed70..10aaff4d1f 100644
> --- a/sysdeps/unix/sysv/linux/sendmmsg.c
> +++ b/sysdeps/unix/sysv/linux/sendmmsg.c
> @@ -35,3 +35,6 @@ __sendmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags)
>  }
>  libc_hidden_def (__sendmmsg)
>  weak_alias (__sendmmsg, sendmmsg)
> +#if __TIMESIZE != 64
> +weak_alias (__sendmmsg, __sendmmsg64)
> +#endif

Ok.

> diff --git a/sysdeps/unix/sysv/linux/sh/be/libc.abilist b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
> index 6692749dac..af375af8d1 100644
> --- a/sysdeps/unix/sysv/linux/sh/be/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
> @@ -2360,6 +2360,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/sh/le/libc.abilist b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
> index 2207e3811c..e151761455 100644
> --- a/sysdeps/unix/sysv/linux/sh/le/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
> @@ -2357,6 +2357,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
> index 16099127e5..ca186834b4 100644
> --- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
> @@ -2500,6 +2500,7 @@ GLIBC_2.34 __sem_clockwait64 F
>  GLIBC_2.34 __sem_timedwait64 F
>  GLIBC_2.34 __semctl64 F
>  GLIBC_2.34 __semtimedop64 F
> +GLIBC_2.34 __sendmmsg64 F
>  GLIBC_2.34 __setitimer64 F
>  GLIBC_2.34 __settimeofday64 F
>  GLIBC_2.34 __shmctl64 F
> diff --git a/sysdeps/unix/sysv/linux/tst-scm_rights-time64.c b/sysdeps/unix/sysv/linux/tst-scm_rights-time64.c
> new file mode 100644
> index 0000000000..302613cbfa
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/tst-scm_rights-time64.c
> @@ -0,0 +1 @@
> +#include "tst-scm_rights.c"

Ok.

> diff --git a/sysdeps/unix/sysv/linux/tst-scm_rights.c b/sysdeps/unix/sysv/linux/tst-scm_rights.c
> new file mode 100644
> index 0000000000..c85b873125
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/tst-scm_rights.c
> @@ -0,0 +1,186 @@
> +/* Smoke test for SCM_RIGHTS.
> +   Copyright (C) 2021 Free Software Foundation, Inc.
> +   This file is part of the GNU C Library.
> +
> +   The GNU C Library is free software; you can redistribute it and/or
> +   modify it under the terms of the GNU Lesser General Public
> +   License as published by the Free Software Foundation; either
> +   version 2.1 of the License, or (at your option) any later version.
> +
> +   The GNU C Library is distributed in the hope that it will be useful,
> +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> +   Lesser General Public License for more details.
> +
> +   You should have received a copy of the GNU Lesser General Public
> +   License along with the GNU C Library; if not, see
> +   <https://www.gnu.org/licenses/>.  */
> +
> +/* This test passes a file descriptor from a subprocess to the parent
> +   process, using recvmsg/sendmsg or recvmmsg/sendmmsg.  */
> +
> +#include <fcntl.h>
> +#include <signal.h>
> +#include <stdbool.h>
> +#include <string.h>
> +#include <support/check.h>
> +#include <support/xunistd.h>
> +#include <sys/socket.h>
> +#include <sys/wait.h>
> +#include <unistd.h>
> +
> +/* String sent over the socket.  */
> +static char DATA[] = "descriptor";
> +
> +/* Path that is to be opened and sent over the socket.  */
> +#define PATH "/etc"
> +
> +/* True if sendmmsg/recvmmsg is to be used.  */
> +static bool use_multi_call;
> +
> +/* The pair of sockets used for coordination.  The subprocess uses
> +   sockets[1].  */
> +static int sockets[2];
> +
> +/* Subprocess side of one send/receive test.  */
> +_Noreturn static void
> +subprocess (void)
> +{
> +  /* The file descriptor to send.  */
> +  int fd = xopen (PATH, O_RDONLY, 0);
> +
> +  struct iovec iov = { .iov_base = DATA, .iov_len = sizeof (DATA) };
> +  union
> +  {
> +    struct cmsghdr header;
> +    char bytes[CMSG_SPACE (sizeof (int))];
> +  } cmsg_storage;
> +  struct mmsghdr mmhdr =
> +    {
> +      .msg_hdr =
> +      {
> +        .msg_iov = &iov,
> +        .msg_iovlen = 1,
> +        .msg_control = cmsg_storage.bytes,
> +        .msg_controllen = sizeof (cmsg_storage),
> +      },
> +    };
> +
> +  /* Configure the file descriptor for sending.  */
> +  struct cmsghdr *cmsg = CMSG_FIRSTHDR (&mmhdr.msg_hdr);
> +  cmsg->cmsg_level = SOL_SOCKET;
> +  cmsg->cmsg_type = SCM_RIGHTS;
> +  cmsg->cmsg_len = CMSG_LEN (sizeof (int));
> +  memcpy (CMSG_DATA (cmsg), &fd, sizeof (fd));
> +  mmhdr.msg_hdr.msg_controllen = cmsg->cmsg_len;
> +
> +  /* Perform the send operation.  */
> +  int ret;
> +  if (use_multi_call)
> +    {
> +      ret = sendmmsg (sockets[1], &mmhdr, 1, 0);
> +      if (ret >= 0)
> +        ret = mmhdr.msg_len;
> +    }
> +  else
> +    ret = sendmsg (sockets[1], &mmhdr.msg_hdr, 0);
> +  TEST_COMPARE (ret, sizeof (DATA));
> +
> +  xclose (fd);
> +
> +  /* Stop the process from exiting.  */
> +  while (true)
> +    pause ();
> +}
> +

Ok.

> +/* Performs one send/receive test.  */
> +static void
> +one_test (void)
> +{
> +  TEST_COMPARE (socketpair (AF_UNIX, SOCK_STREAM, 0, sockets), 0);
> +
> +  pid_t pid = xfork ();
> +  if (pid == 0)
> +    subprocess ();
> +
> +  char data_storage[sizeof (DATA) + 1];
> +  struct iovec iov =
> +    {
> +      .iov_base = data_storage,
> +      .iov_len = sizeof (data_storage)
> +    };
> +  union
> +  {
> +    struct cmsghdr header;
> +    char bytes[CMSG_SPACE (sizeof (int))];
> +  } cmsg_storage;
> +  struct mmsghdr mmhdr =
> +    {
> +      .msg_hdr =
> +      {
> +        .msg_iov = &iov,
> +        .msg_iovlen = 1,
> +        .msg_control = cmsg_storage.bytes,
> +        .msg_controllen = sizeof (cmsg_storage),
> +      },
> +    };
> +
> +  /* Set up the space for receiving the file descriptor.  */
> +  struct cmsghdr *cmsg = CMSG_FIRSTHDR (&mmhdr.msg_hdr);
> +  cmsg->cmsg_level = SOL_SOCKET;
> +  cmsg->cmsg_type = SCM_RIGHTS;
> +  cmsg->cmsg_len = CMSG_LEN (sizeof (int));
> +  mmhdr.msg_hdr.msg_controllen = cmsg->cmsg_len;
> +
> +  /* Perform the receive operation.  */
> +  int ret;
> +  if (use_multi_call)
> +    {
> +      ret = recvmmsg (sockets[0], &mmhdr, 1, 0, NULL);
> +      if (ret >= 0)
> +        ret = mmhdr.msg_len;
> +    }
> +  else
> +    ret = recvmsg (sockets[0], &mmhdr.msg_hdr, 0);
> +  TEST_COMPARE (ret, sizeof (DATA));
> +  TEST_COMPARE_BLOB (data_storage, sizeof (DATA), DATA, sizeof (DATA));
> +
> +  /* Extract the file descriptor.  */
> +  TEST_VERIFY (CMSG_FIRSTHDR (&mmhdr.msg_hdr) != NULL);
> +  TEST_COMPARE (CMSG_FIRSTHDR (&mmhdr.msg_hdr)->cmsg_len,
> +                CMSG_LEN (sizeof (int)));
> +  TEST_VERIFY (&cmsg_storage.header == CMSG_FIRSTHDR (&mmhdr.msg_hdr));
> +  int fd;
> +  memcpy (&fd, CMSG_DATA (CMSG_FIRSTHDR (&mmhdr.msg_hdr)), sizeof (fd));
> +
> +  /* Verify the received file descriptor.  */
> +  TEST_VERIFY (fd > 2);
> +  struct stat64 st_fd;
> +  TEST_COMPARE (fstat64 (fd, &st_fd), 0);
> +  struct stat64 st_path;
> +  TEST_COMPARE (stat64 (PATH, &st_path), 0);
> +  TEST_COMPARE (st_fd.st_ino, st_path.st_ino);
> +  TEST_COMPARE (st_fd.st_dev, st_path.st_dev);
> +  xclose (fd);
> +
> +  /* Terminate the subprocess.  */
> +  TEST_COMPARE (kill (pid, SIGUSR1), 0);
> +  int status;
> +  TEST_COMPARE (xwaitpid (pid, &status, 0), pid);
> +  TEST_VERIFY (WIFSIGNALED (status));
> +  TEST_COMPARE (WTERMSIG (status), SIGUSR1);
> +
> +  xclose (sockets[0]);
> +  xclose (sockets[1]);
> +}
> +
> +static int
> +do_test (void)
> +{
> +  one_test ();
> +  use_multi_call = true;
> +  one_test ();
> +  return 0;
> +}
> +
> +#include <support/test-driver.c>
> 

Ok.
diff mbox series

Patch

diff --git a/socket/sys/socket.h b/socket/sys/socket.h
index 5577e75b80..d02d976bb5 100644
--- a/socket/sys/socket.h
+++ b/socket/sys/socket.h
@@ -179,9 +179,21 @@  extern ssize_t sendmsg (int __fd, const struct msghdr *__message,
 
    This function is a cancellation point and therefore not marked with
    __THROW.  */
+# ifndef __USE_TIME_BITS64
 extern int sendmmsg (int __fd, struct mmsghdr *__vmessages,
 		     unsigned int __vlen, int __flags);
-#endif
+# else
+#  ifdef __REDIRECT
+extern int __REDIRECT (sendmmsg, (int __fd, struct mmsghdr *__vmessages,
+				  unsigned int __vlen, int __flags),
+		       __sendmmsg64);
+#  else
+extern int __sendmmsg64 (int __fd, struct mmsghdr *__vmessages,
+			 unsigned int __vlen, int __flags);
+#   define sendmmsg __sendmmsg64
+#  endif
+# endif	 /* __USE_TIME_BITS64 */
+#endif /* __USE_GNU */
 
 /* Receive a message as described by MESSAGE from socket FD.
    Returns the number of bytes read or -1 for errors.
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index 6fe358cecc..cd13ab4e6a 100644
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -116,7 +116,8 @@  tests += tst-clone tst-clone2 tst-clone3 tst-fanotify tst-personality \
 	 tst-tgkill tst-sysvsem-linux tst-sysvmsg-linux tst-sysvshm-linux \
 	 tst-timerfd tst-ppoll \
 	 tst-clock_adjtime tst-adjtimex tst-ntp_adjtime tst-ntp_gettime \
-	 tst-ntp_gettimex tst-sigtimedwait tst-misalign-clone tst-prctl
+	 tst-ntp_gettimex tst-sigtimedwait tst-misalign-clone tst-prctl \
+	 tst-scm_rights
 
 # Test for the symbol version of fcntl that was replaced in glibc 2.28.
 ifeq ($(have-GLIBC_2.27)$(build-shared),yesyes)
@@ -135,6 +136,7 @@  tests-time64 += \
   tst-sigtimedwait-time64 \
   tst-timerfd-time64 \
   tst-prctl-time64 \
+  tst-scm_rights-time64 \
   # tests-time64
 
 CFLAGS-tst-sigcontext-get_pc.c = -fasynchronous-unwind-tables
diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions
index 97e1e81801..0fc5d59608 100644
--- a/sysdeps/unix/sysv/linux/Versions
+++ b/sysdeps/unix/sysv/linux/Versions
@@ -265,6 +265,7 @@  libc {
     __semctl64;
     __semtimedop64;
     __sem_timedwait64;
+    __sendmmsg64;
     __setitimer64;
     __settimeofday64;
     __shmctl64;
diff --git a/sysdeps/unix/sysv/linux/arm/be/libc.abilist b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
index 06deef986f..6654462ff2 100644
--- a/sysdeps/unix/sysv/linux/arm/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
@@ -268,6 +268,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/arm/le/libc.abilist b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
index cb5a95ebb9..e4f66ebad8 100644
--- a/sysdeps/unix/sysv/linux/arm/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
@@ -265,6 +265,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/csky/libc.abilist b/sysdeps/unix/sysv/linux/csky/libc.abilist
index 76a1898218..b145b90667 100644
--- a/sysdeps/unix/sysv/linux/csky/libc.abilist
+++ b/sysdeps/unix/sysv/linux/csky/libc.abilist
@@ -2400,6 +2400,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist
index cb135fe6ca..2fcd2408ee 100644
--- a/sysdeps/unix/sysv/linux/hppa/libc.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist
@@ -2353,6 +2353,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist
index 8941056337..9876c4fccc 100644
--- a/sysdeps/unix/sysv/linux/i386/libc.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libc.abilist
@@ -2537,6 +2537,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
index 7cec07ea16..1db5f6ac97 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
@@ -269,6 +269,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
index edc488fe98..9ff084727a 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
@@ -2480,6 +2480,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
index b382d9b268..9bf0dc86d3 100644
--- a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
@@ -2451,6 +2451,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
index 75752d1400..6eca8d3e65 100644
--- a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
@@ -2448,6 +2448,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
index e362490afb..3e10357c37 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
@@ -2445,6 +2445,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
index d2eba312a7..40def98ca7 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
@@ -2443,6 +2443,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
index ec5d956d0c..21decc1ba4 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
@@ -2451,6 +2451,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/nios2/libc.abilist b/sysdeps/unix/sysv/linux/nios2/libc.abilist
index 5ffbab4d4c..c4a1d8f8dd 100644
--- a/sysdeps/unix/sysv/linux/nios2/libc.abilist
+++ b/sysdeps/unix/sysv/linux/nios2/libc.abilist
@@ -2490,6 +2490,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
index d4ba30a441..3afedd33c3 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
@@ -2507,6 +2507,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
index 8eb206d36e..3d0366c7d5 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
@@ -2540,6 +2540,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
index a3c80bc9ba..1323f731dd 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
@@ -2505,6 +2505,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/sendmmsg.c b/sysdeps/unix/sysv/linux/sendmmsg.c
index 6093e9ed70..10aaff4d1f 100644
--- a/sysdeps/unix/sysv/linux/sendmmsg.c
+++ b/sysdeps/unix/sysv/linux/sendmmsg.c
@@ -35,3 +35,6 @@  __sendmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags)
 }
 libc_hidden_def (__sendmmsg)
 weak_alias (__sendmmsg, sendmmsg)
+#if __TIMESIZE != 64
+weak_alias (__sendmmsg, __sendmmsg64)
+#endif
diff --git a/sysdeps/unix/sysv/linux/sh/be/libc.abilist b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
index 6692749dac..af375af8d1 100644
--- a/sysdeps/unix/sysv/linux/sh/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
@@ -2360,6 +2360,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/sh/le/libc.abilist b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
index 2207e3811c..e151761455 100644
--- a/sysdeps/unix/sysv/linux/sh/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
@@ -2357,6 +2357,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
index 16099127e5..ca186834b4 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
@@ -2500,6 +2500,7 @@  GLIBC_2.34 __sem_clockwait64 F
 GLIBC_2.34 __sem_timedwait64 F
 GLIBC_2.34 __semctl64 F
 GLIBC_2.34 __semtimedop64 F
+GLIBC_2.34 __sendmmsg64 F
 GLIBC_2.34 __setitimer64 F
 GLIBC_2.34 __settimeofday64 F
 GLIBC_2.34 __shmctl64 F
diff --git a/sysdeps/unix/sysv/linux/tst-scm_rights-time64.c b/sysdeps/unix/sysv/linux/tst-scm_rights-time64.c
new file mode 100644
index 0000000000..302613cbfa
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/tst-scm_rights-time64.c
@@ -0,0 +1 @@ 
+#include "tst-scm_rights.c"
diff --git a/sysdeps/unix/sysv/linux/tst-scm_rights.c b/sysdeps/unix/sysv/linux/tst-scm_rights.c
new file mode 100644
index 0000000000..c85b873125
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/tst-scm_rights.c
@@ -0,0 +1,186 @@ 
+/* Smoke test for SCM_RIGHTS.
+   Copyright (C) 2021 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+/* This test passes a file descriptor from a subprocess to the parent
+   process, using recvmsg/sendmsg or recvmmsg/sendmmsg.  */
+
+#include <fcntl.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <string.h>
+#include <support/check.h>
+#include <support/xunistd.h>
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+/* String sent over the socket.  */
+static char DATA[] = "descriptor";
+
+/* Path that is to be opened and sent over the socket.  */
+#define PATH "/etc"
+
+/* True if sendmmsg/recvmmsg is to be used.  */
+static bool use_multi_call;
+
+/* The pair of sockets used for coordination.  The subprocess uses
+   sockets[1].  */
+static int sockets[2];
+
+/* Subprocess side of one send/receive test.  */
+_Noreturn static void
+subprocess (void)
+{
+  /* The file descriptor to send.  */
+  int fd = xopen (PATH, O_RDONLY, 0);
+
+  struct iovec iov = { .iov_base = DATA, .iov_len = sizeof (DATA) };
+  union
+  {
+    struct cmsghdr header;
+    char bytes[CMSG_SPACE (sizeof (int))];
+  } cmsg_storage;
+  struct mmsghdr mmhdr =
+    {
+      .msg_hdr =
+      {
+        .msg_iov = &iov,
+        .msg_iovlen = 1,
+        .msg_control = cmsg_storage.bytes,
+        .msg_controllen = sizeof (cmsg_storage),
+      },
+    };
+
+  /* Configure the file descriptor for sending.  */
+  struct cmsghdr *cmsg = CMSG_FIRSTHDR (&mmhdr.msg_hdr);
+  cmsg->cmsg_level = SOL_SOCKET;
+  cmsg->cmsg_type = SCM_RIGHTS;
+  cmsg->cmsg_len = CMSG_LEN (sizeof (int));
+  memcpy (CMSG_DATA (cmsg), &fd, sizeof (fd));
+  mmhdr.msg_hdr.msg_controllen = cmsg->cmsg_len;
+
+  /* Perform the send operation.  */
+  int ret;
+  if (use_multi_call)
+    {
+      ret = sendmmsg (sockets[1], &mmhdr, 1, 0);
+      if (ret >= 0)
+        ret = mmhdr.msg_len;
+    }
+  else
+    ret = sendmsg (sockets[1], &mmhdr.msg_hdr, 0);
+  TEST_COMPARE (ret, sizeof (DATA));
+
+  xclose (fd);
+
+  /* Stop the process from exiting.  */
+  while (true)
+    pause ();
+}
+
+/* Performs one send/receive test.  */
+static void
+one_test (void)
+{
+  TEST_COMPARE (socketpair (AF_UNIX, SOCK_STREAM, 0, sockets), 0);
+
+  pid_t pid = xfork ();
+  if (pid == 0)
+    subprocess ();
+
+  char data_storage[sizeof (DATA) + 1];
+  struct iovec iov =
+    {
+      .iov_base = data_storage,
+      .iov_len = sizeof (data_storage)
+    };
+  union
+  {
+    struct cmsghdr header;
+    char bytes[CMSG_SPACE (sizeof (int))];
+  } cmsg_storage;
+  struct mmsghdr mmhdr =
+    {
+      .msg_hdr =
+      {
+        .msg_iov = &iov,
+        .msg_iovlen = 1,
+        .msg_control = cmsg_storage.bytes,
+        .msg_controllen = sizeof (cmsg_storage),
+      },
+    };
+
+  /* Set up the space for receiving the file descriptor.  */
+  struct cmsghdr *cmsg = CMSG_FIRSTHDR (&mmhdr.msg_hdr);
+  cmsg->cmsg_level = SOL_SOCKET;
+  cmsg->cmsg_type = SCM_RIGHTS;
+  cmsg->cmsg_len = CMSG_LEN (sizeof (int));
+  mmhdr.msg_hdr.msg_controllen = cmsg->cmsg_len;
+
+  /* Perform the receive operation.  */
+  int ret;
+  if (use_multi_call)
+    {
+      ret = recvmmsg (sockets[0], &mmhdr, 1, 0, NULL);
+      if (ret >= 0)
+        ret = mmhdr.msg_len;
+    }
+  else
+    ret = recvmsg (sockets[0], &mmhdr.msg_hdr, 0);
+  TEST_COMPARE (ret, sizeof (DATA));
+  TEST_COMPARE_BLOB (data_storage, sizeof (DATA), DATA, sizeof (DATA));
+
+  /* Extract the file descriptor.  */
+  TEST_VERIFY (CMSG_FIRSTHDR (&mmhdr.msg_hdr) != NULL);
+  TEST_COMPARE (CMSG_FIRSTHDR (&mmhdr.msg_hdr)->cmsg_len,
+                CMSG_LEN (sizeof (int)));
+  TEST_VERIFY (&cmsg_storage.header == CMSG_FIRSTHDR (&mmhdr.msg_hdr));
+  int fd;
+  memcpy (&fd, CMSG_DATA (CMSG_FIRSTHDR (&mmhdr.msg_hdr)), sizeof (fd));
+
+  /* Verify the received file descriptor.  */
+  TEST_VERIFY (fd > 2);
+  struct stat64 st_fd;
+  TEST_COMPARE (fstat64 (fd, &st_fd), 0);
+  struct stat64 st_path;
+  TEST_COMPARE (stat64 (PATH, &st_path), 0);
+  TEST_COMPARE (st_fd.st_ino, st_path.st_ino);
+  TEST_COMPARE (st_fd.st_dev, st_path.st_dev);
+  xclose (fd);
+
+  /* Terminate the subprocess.  */
+  TEST_COMPARE (kill (pid, SIGUSR1), 0);
+  int status;
+  TEST_COMPARE (xwaitpid (pid, &status, 0), pid);
+  TEST_VERIFY (WIFSIGNALED (status));
+  TEST_COMPARE (WTERMSIG (status), SIGUSR1);
+
+  xclose (sockets[0]);
+  xclose (sockets[1]);
+}
+
+static int
+do_test (void)
+{
+  one_test ();
+  use_multi_call = true;
+  one_test ();
+  return 0;
+}
+
+#include <support/test-driver.c>