From patchwork Mon May 21 19:00:03 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adhemerval Zanella Netto X-Patchwork-Id: 27369 Received: (qmail 62572 invoked by alias); 21 May 2018 19:01:02 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 62270 invoked by uid 89); 21 May 2018 19:00:34 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-26.9 required=5.0 tests=BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, RCVD_IN_DNSWL_NONE, SPF_PASS, TIME_LIMIT_EXCEEDED autolearn=unavailable version=3.3.2 spammy=tile, 1912 X-HELO: mail-qk0-f194.google.com X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; 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Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <8f7abb3b-a1a3-d5aa-368c-adadedcc02c2@linaro.org> Updated version, change from previous one: - Adjsut abilist with recent changes to remove the ABI tags. - Do not export __fcntl64 (there is no need to mimic old behavior). --- This patch fixes the OFD ("file private") locks for architectures that support non-LFS flock definition (__USE_FILE_OFFSET64 not defined). The issue in this case is both F_OFD_{GETLK,SETLK,SETLKW} and F_{SET,GET}L{W}K64 expects a flock64 argument and when using old F_OFD_* flags with a non LFS flock argument the kernel might interpret the underlying data wrongly. Kernel idea originally was to avoid using such flags in non-LFS syscall, but since GLIBC uses fcntl with LFS semantic as default it is possible to provide the functionality and avoid the bogus struct kernel passing by adjusting the struct manually for the required flags. The idea follows other LFS interfaces that provide two symbols: 1. A new LFS fcntl64 is added on default ABI with the usual macros to select it for FILE_OFFSET_BITS=64. 2. The Linux non-LFS fcntl use a stack allocated struct flock64 for F_OFD_{GETLK,SETLK,SETLKW} and F_{SET,GET}L{W}K64 and copy the results on the user provided struct. 3. Keep a compat symbol with old broken semantic for architectures that do not define __OFF_T_MATCHES_OFF64_T. So for architectures which defines __USE_FILE_OFFSET64, fcntl64 will aliased to fcntl and no adjustment would be required. Checked on x86_64-linux-gnu and i686-linux-gnu. [BZ #20251] * include/fcntl.h (__libc_fcntl64, __fcntl64): New prototype. * io/Makefile (routines): Add fcntl64. (CFLAGS-fcntl64.c): New rule. * io/fcntl.h (fcntl64): Add prototype and redirect if __USE_FILE_OFFSET64 is defined. * sysdeps/unix/sysv/linux/powerpc/powerpc64/fcntl.c: Remove file. * io/fcntl64.c: New file. * nptl/Makefile (pthread-compat-wrappers): Add fcntl64. (CFLAGS-fcntl64.c): New rule. * sysdeps/mach/hurd/fcntl.c: Alias fcntl to fcntl64 symbols. * io/Versions [GLIBC_2.28] (fcntl64; __fcntl64): New symbols. * sysdeps/unix/sysv/linux/fcntl.c (__libc_fcntl): Fix F_GETLK64, F_OFD_GETLK, F_SETLK64, F_SETLKW64, F_OFD_SETLK, and F_OFD_SETLKW for non-LFS case. (fcntl_common, __fcntl_nocancel): Remove function. (flock_to_flock64): New function. * sysdeps/unix/sysv/linux/fcntl64.c: New file. * sysdeps/mach/hurd/i386/libc.abilist [GLIBC_2.28] (__fcntl64, fcntl, fcntl64): New symbols. * sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilis: Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/kernel-features.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/libc.abilist [GLIBC_2.28] (__fcntl64, fcntl64): New symbols. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. --- ChangeLog | 54 ++++++++++ include/fcntl.h | 4 + io/Makefile | 3 +- io/Versions | 3 + io/fcntl.h | 11 ++ .../powerpc/powerpc64/fcntl.c => io/fcntl64.c | 28 ++++-- nptl/Makefile | 3 +- sysdeps/mach/hurd/fcntl.c | 5 + sysdeps/mach/hurd/i386/libc.abilist | 2 + sysdeps/unix/sysv/linux/aarch64/libc.abilist | 1 + sysdeps/unix/sysv/linux/alpha/libc.abilist | 1 + sysdeps/unix/sysv/linux/arm/libc.abilist | 2 + sysdeps/unix/sysv/linux/fcntl.c | 111 +++++++++++++-------- sysdeps/unix/sysv/linux/fcntl64.c | 99 ++++++++++++++++++ sysdeps/unix/sysv/linux/hppa/libc.abilist | 2 + sysdeps/unix/sysv/linux/i386/libc.abilist | 2 + sysdeps/unix/sysv/linux/ia64/libc.abilist | 1 + sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist | 2 + sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist | 2 + sysdeps/unix/sysv/linux/microblaze/libc.abilist | 2 + .../unix/sysv/linux/mips/mips32/fpu/libc.abilist | 2 + .../unix/sysv/linux/mips/mips32/nofpu/libc.abilist | 2 + .../unix/sysv/linux/mips/mips64/n32/libc.abilist | 2 + .../unix/sysv/linux/mips/mips64/n64/libc.abilist | 1 + sysdeps/unix/sysv/linux/nios2/libc.abilist | 2 + sysdeps/unix/sysv/linux/powerpc/kernel-features.h | 9 ++ .../sysv/linux/powerpc/powerpc32/fpu/libc.abilist | 2 + .../linux/powerpc/powerpc32/nofpu/libc.abilist | 2 + .../sysv/linux/powerpc/powerpc64/libc-le.abilist | 3 + .../unix/sysv/linux/powerpc/powerpc64/libc.abilist | 1 + sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist | 1 + sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist | 2 + sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist | 1 + sysdeps/unix/sysv/linux/sh/libc.abilist | 2 + sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist | 2 + sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist | 1 + sysdeps/unix/sysv/linux/x86_64/64/libc.abilist | 1 + sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist | 1 + 38 files changed, 323 insertions(+), 52 deletions(-) rename sysdeps/unix/sysv/linux/powerpc/powerpc64/fcntl.c => io/fcntl64.c (65%) create mode 100644 sysdeps/unix/sysv/linux/fcntl64.c diff --git a/include/fcntl.h b/include/fcntl.h index 3d68c5e..374e784 100644 --- a/include/fcntl.h +++ b/include/fcntl.h @@ -10,10 +10,14 @@ extern int __libc_open (const char *file, int oflag, ...); libc_hidden_proto (__libc_open) extern int __libc_fcntl (int fd, int cmd, ...) attribute_hidden; libc_hidden_proto (__libc_fcntl) +extern int __libc_fcntl64 (int fd, int cmd, ...) attribute_hidden; +libc_hidden_proto (__libc_fcntl64) extern int __open (const char *__file, int __oflag, ...); libc_hidden_proto (__open) extern int __fcntl (int __fd, int __cmd, ...); libc_hidden_proto (__fcntl) +extern int __fcntl64 (int __fd, int __cmd, ...) attribute_hidden; +libc_hidden_proto (__fcntl64) extern int __openat (int __fd, const char *__file, int __oflag, ...) __nonnull ((2)); libc_hidden_proto (__openat) diff --git a/io/Makefile b/io/Makefile index 2117cb6..4a0d8fe 100644 --- a/io/Makefile +++ b/io/Makefile @@ -40,7 +40,7 @@ routines := \ mkdir mkdirat \ open open_2 open64 open64_2 openat openat_2 openat64 openat64_2 \ read write lseek lseek64 access euidaccess faccessat \ - fcntl flock lockf lockf64 \ + fcntl fcntl64 flock lockf lockf64 \ close dup dup2 dup3 pipe pipe2 \ creat creat64 \ chdir fchdir \ @@ -89,6 +89,7 @@ CFLAGS-open64.c += -fexceptions -fasynchronous-unwind-tables CFLAGS-creat.c += -fexceptions -fasynchronous-unwind-tables CFLAGS-creat64.c += -fexceptions -fasynchronous-unwind-tables CFLAGS-fcntl.c += -fexceptions -fasynchronous-unwind-tables +CFLAGS-fcntl64.c += -fexceptions -fasynchronous-unwind-tables CFLAGS-poll.c += -fexceptions -fasynchronous-unwind-tables CFLAGS-ppoll.c += -fexceptions -fasynchronous-unwind-tables CFLAGS-lockf.c += -fexceptions diff --git a/io/Versions b/io/Versions index 98898cb..7653588 100644 --- a/io/Versions +++ b/io/Versions @@ -128,4 +128,7 @@ libc { GLIBC_2.27 { copy_file_range; } + GLIBC_2.28 { + fcntl64; + } } diff --git a/io/fcntl.h b/io/fcntl.h index 69a4394..3afc620 100644 --- a/io/fcntl.h +++ b/io/fcntl.h @@ -167,7 +167,18 @@ typedef __pid_t pid_t; This function is a cancellation point and therefore not marked with __THROW. */ +#ifndef __USE_FILE_OFFSET64 extern int fcntl (int __fd, int __cmd, ...); +#else +# ifdef __REDIRECT +extern int __REDIRECT (fcntl, (int __fd, int __cmd, ...), fcntl64); +# else +# define fcntl fcntl64 +# endif +#endif +#ifdef __USE_LARGEFILE64 +extern int fcntl64 (int __fd, int __cmd, ...); +#endif /* Open FILE and return a new file descriptor for it, or -1 on error. OFLAG determines the type of access used. If O_CREAT or O_TMPFILE is set diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fcntl.c b/io/fcntl64.c similarity index 65% rename from sysdeps/unix/sysv/linux/powerpc/powerpc64/fcntl.c rename to io/fcntl64.c index 48198c1..f4e6809 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fcntl.c +++ b/io/fcntl64.c @@ -1,4 +1,5 @@ -/* Copyright (C) 2000-2018 Free Software Foundation, Inc. +/* Manipulate file descriptor. Stub LFS version. + Copyright (C) 2018 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 @@ -15,18 +16,23 @@ License along with the GNU C Library; if not, see . */ -#include +#include #include -static inline int -fcntl_adjust_cmd (int cmd) +/* Perform file control operations on FD. */ +int +__fcntl64 (int fd, int cmd, ...) { - if (cmd >= F_GETLK64 && cmd <= F_SETLKW64) - cmd -= F_GETLK64 - F_GETLK; - return cmd; -} + if (fd < 0) + { + __set_errno (EBADF); + return -1; + } -#define FCNTL_ADJUST_CMD(__cmd) \ - fcntl_adjust_cmd (__cmd) + __set_errno (ENOSYS); + return -1; +} +libc_hidden_def (__fcntl64) +stub_warning (fcntl64) -#include +weak_alias (__fcntl64, fcntl64) diff --git a/nptl/Makefile b/nptl/Makefile index 94be92c..13d485c 100644 --- a/nptl/Makefile +++ b/nptl/Makefile @@ -36,7 +36,7 @@ static-only-routines = pthread_atfork # We need to provide certain routines for compatibility with existing # binaries. pthread-compat-wrappers = \ - write read close fcntl accept \ + write read close fcntl fcntl64 accept \ connect recv recvfrom send \ sendto fsync lseek lseek64 \ msync nanosleep open open64 pause \ @@ -191,6 +191,7 @@ CFLAGS-sem_timedwait.c += -fexceptions -fasynchronous-unwind-tables # These are the function wrappers we have to duplicate here. CFLAGS-fcntl.c += -fexceptions -fasynchronous-unwind-tables +CFLAGS-fcntl64.c += -fexceptions -fasynchronous-unwind-tables CFLAGS-lockf.c += -fexceptions CFLAGS-pread.c += -fexceptions -fasynchronous-unwind-tables CFLAGS-pread64.c += -fexceptions -fasynchronous-unwind-tables diff --git a/sysdeps/mach/hurd/fcntl.c b/sysdeps/mach/hurd/fcntl.c index 0b23164..598317d 100644 --- a/sysdeps/mach/hurd/fcntl.c +++ b/sysdeps/mach/hurd/fcntl.c @@ -210,3 +210,8 @@ libc_hidden_def (__libc_fcntl) weak_alias (__libc_fcntl, __fcntl) libc_hidden_weak (__fcntl) weak_alias (__libc_fcntl, fcntl) + +strong_alias (__libc_fcntl, __libc_fcntl64) +libc_hidden_def (__libc_fcntl64) +weak_alias (__libc_fcntl64, __fcntl64) +libc_hidden_weak (__fcntl64) diff --git a/sysdeps/mach/hurd/i386/libc.abilist b/sysdeps/mach/hurd/i386/libc.abilist index 2cb5070..3d46de7 100644 --- a/sysdeps/mach/hurd/i386/libc.abilist +++ b/sysdeps/mach/hurd/i386/libc.abilist @@ -2033,6 +2033,8 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist b/sysdeps/unix/sysv/linux/aarch64/libc.abilist index 80cdb98..884d0df 100644 --- a/sysdeps/unix/sysv/linux/aarch64/libc.abilist +++ b/sysdeps/unix/sysv/linux/aarch64/libc.abilist @@ -2131,3 +2131,4 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl64 F diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist b/sysdeps/unix/sysv/linux/alpha/libc.abilist index c761f61..28d54b9 100644 --- a/sysdeps/unix/sysv/linux/alpha/libc.abilist +++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist @@ -2026,6 +2026,7 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/arm/libc.abilist b/sysdeps/unix/sysv/linux/arm/libc.abilist index 6aa58c3..dfde3bd 100644 --- a/sysdeps/unix/sysv/linux/arm/libc.abilist +++ b/sysdeps/unix/sysv/linux/arm/libc.abilist @@ -115,6 +115,8 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.4 _Exit F GLIBC_2.4 _IO_2_1_stderr_ D 0xa0 GLIBC_2.4 _IO_2_1_stdin_ D 0xa0 diff --git a/sysdeps/unix/sysv/linux/fcntl.c b/sysdeps/unix/sysv/linux/fcntl.c index a3cb2ae..ada922b 100644 --- a/sysdeps/unix/sysv/linux/fcntl.c +++ b/sysdeps/unix/sysv/linux/fcntl.c @@ -19,33 +19,12 @@ #include #include #include -#include -#ifndef __NR_fcntl64 -# define __NR_fcntl64 __NR_fcntl -#endif +#ifndef __OFF_T_MATCHES_OFF64_T -#ifndef FCNTL_ADJUST_CMD -# define FCNTL_ADJUST_CMD(__cmd) __cmd -#endif - -static int -fcntl_common (int fd, int cmd, void *arg) -{ - if (cmd == F_GETOWN) - { - INTERNAL_SYSCALL_DECL (err); - struct f_owner_ex fex; - int res = INTERNAL_SYSCALL_CALL (fcntl64, err, fd, F_GETOWN_EX, &fex); - if (!INTERNAL_SYSCALL_ERROR_P (res, err)) - return fex.type == F_OWNER_GID ? -fex.pid : fex.pid; - - return INLINE_SYSCALL_ERROR_RETURN_VALUE (INTERNAL_SYSCALL_ERRNO (res, - err)); - } - - return INLINE_SYSCALL_CALL (fcntl64, fd, cmd, (void *) arg); -} +# ifndef FCNTL_ADJUST_CMD +# define FCNTL_ADJUST_CMD(__cmd) __cmd +# endif int __libc_fcntl (int fd, int cmd, ...) @@ -59,16 +38,71 @@ __libc_fcntl (int fd, int cmd, ...) cmd = FCNTL_ADJUST_CMD (cmd); - if (cmd == F_SETLKW || cmd == F_SETLKW64) - return SYSCALL_CANCEL (fcntl64, fd, cmd, (void *) arg); - - return fcntl_common (fd, cmd, arg); + switch (cmd) + { + case F_SETLKW: + return SYSCALL_CANCEL (fcntl64, fd, cmd, arg); + case F_GETLK64: + case F_OFD_GETLK: + { + struct flock *flk = (struct flock *) arg; + struct flock64 flk64 = + { + .l_type = flk->l_type, + .l_whence = flk->l_whence, + .l_start = flk->l_start, + .l_len = flk->l_len, + .l_pid = flk->l_pid + }; + int ret = SYSCALL_CANCEL (fcntl64, fd, cmd, &flk64); + if (ret == -1) + return -1; + flk->l_type = flk64.l_type; + flk->l_whence = flk64.l_whence; + flk->l_start = flk64.l_start; + flk->l_len = flk64.l_len; + flk->l_pid = flk64.l_pid; + return ret; + } + case F_SETLK64: + case F_SETLKW64: + case F_OFD_SETLK: + case F_OFD_SETLKW: + { + struct flock *flk = (struct flock *) arg; + struct flock64 flk64 = + { + .l_type = flk->l_type, + .l_whence = flk->l_whence, + .l_start = flk->l_start, + .l_len = flk->l_len, + .l_pid = flk->l_pid + }; + return SYSCALL_CANCEL (fcntl64, fd, cmd, &flk64); + } + case F_GETOWN: + { + INTERNAL_SYSCALL_DECL (err); + struct f_owner_ex fex; + int res = INTERNAL_SYSCALL_CALL (fcntl64, err, fd, F_GETOWN_EX, &fex); + if (!INTERNAL_SYSCALL_ERROR_P (res, err)) + return fex.type == F_OWNER_GID ? -fex.pid : fex.pid; + + return INLINE_SYSCALL_ERROR_RETURN_VALUE (INTERNAL_SYSCALL_ERRNO (res, + err)); + } + default: + return INLINE_SYSCALL_CALL (fcntl64, fd, cmd, arg); + } } libc_hidden_def (__libc_fcntl) +weak_alias (__libc_fcntl, __fcntl) +libc_hidden_weak (__fcntl) -#if !IS_IN (rtld) +# include +# if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_28) int -__fcntl_nocancel (int fd, int cmd, ...) +__old_libc_fcntl64 (int fd, int cmd, ...) { va_list ap; void *arg; @@ -77,13 +111,12 @@ __fcntl_nocancel (int fd, int cmd, ...) arg = va_arg (ap, void *); va_end (ap); - return fcntl_common (fd, cmd, arg); + return __libc_fcntl64 (fd, cmd, arg); } -#else -strong_alias (__libc_fcntl, __fcntl_nocancel) -#endif -libc_hidden_def (__fcntl_nocancel) - -weak_alias (__libc_fcntl, __fcntl) -libc_hidden_weak (__fcntl) +compat_symbol (libc, __old_libc_fcntl64, fcntl, GLIBC_2_0); +versioned_symbol (libc, __libc_fcntl, fcntl, GLIBC_2_28); +# else weak_alias (__libc_fcntl, fcntl) +# endif + +#endif /* __OFF_T_MATCHES_OFF64_T */ diff --git a/sysdeps/unix/sysv/linux/fcntl64.c b/sysdeps/unix/sysv/linux/fcntl64.c new file mode 100644 index 0000000..b7f50b0 --- /dev/null +++ b/sysdeps/unix/sysv/linux/fcntl64.c @@ -0,0 +1,99 @@ +/* Manipulate file descriptor. Linux LFS version. + Copyright (C) 2018 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 + . */ + +#define fcntl __no_decl_fcntl +#define __fcntl __no_decl___fcntl +#include +#undef fcntl +#undef __fcntl +#include +#include +#include + +#ifndef __NR_fcntl64 +# define __NR_fcntl64 __NR_fcntl +#endif + +#ifndef FCNTL_ADJUST_CMD +# define FCNTL_ADJUST_CMD(__cmd) __cmd +#endif + +static int +fcntl64_common (int fd, int cmd, void *arg) +{ + if (cmd == F_GETOWN) + { + INTERNAL_SYSCALL_DECL (err); + struct f_owner_ex fex; + int res = INTERNAL_SYSCALL_CALL (fcntl64, err, fd, F_GETOWN_EX, &fex); + if (!INTERNAL_SYSCALL_ERROR_P (res, err)) + return fex.type == F_OWNER_GID ? -fex.pid : fex.pid; + + return INLINE_SYSCALL_ERROR_RETURN_VALUE (INTERNAL_SYSCALL_ERRNO (res, + err)); + } + + return INLINE_SYSCALL_CALL (fcntl64, fd, cmd, (void *) arg); +} + +int +__libc_fcntl64 (int fd, int cmd, ...) +{ + va_list ap; + void *arg; + + va_start (ap, cmd); + arg = va_arg (ap, void *); + va_end (ap); + + cmd = FCNTL_ADJUST_CMD (cmd); + + if (cmd == F_SETLKW || cmd == F_SETLKW64) + return SYSCALL_CANCEL (fcntl64, fd, cmd, (void *) arg); + + return fcntl64_common (fd, cmd, arg); +} +libc_hidden_def (__libc_fcntl64) +weak_alias (__libc_fcntl64, __fcntl64) +libc_hidden_weak (__fcntl64) +weak_alias (__libc_fcntl64, fcntl64) + +#ifdef __OFF_T_MATCHES_OFF64_T +weak_alias (__libc_fcntl64, __libc_fcntl) +weak_alias (__libc_fcntl64, __fcntl) +weak_alias (__libc_fcntl64, __GI___fcntl) +weak_alias (__libc_fcntl64, fcntl) +#endif + +#if !IS_IN (rtld) +int +__fcntl_nocancel (int fd, int cmd, ...) +{ + va_list ap; + void *arg; + + va_start (ap, cmd); + arg = va_arg (ap, void *); + va_end (ap); + + return fcntl64_common (fd, cmd, arg); +} +#else +weak_alias (__libc_fcntl64, __fcntl_nocancel) +#endif +weak_alias (__fcntl_nocancel, __GI___fcntl_nocancel) diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist index d10695b..06b00f7 100644 --- a/sysdeps/unix/sysv/linux/hppa/libc.abilist +++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist @@ -1872,6 +1872,8 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist index 23092ab..1c1cc00 100644 --- a/sysdeps/unix/sysv/linux/i386/libc.abilist +++ b/sysdeps/unix/sysv/linux/i386/libc.abilist @@ -2037,6 +2037,8 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/ia64/libc.abilist b/sysdeps/unix/sysv/linux/ia64/libc.abilist index 7bf259e..f6e17a0 100644 --- a/sysdeps/unix/sysv/linux/ia64/libc.abilist +++ b/sysdeps/unix/sysv/linux/ia64/libc.abilist @@ -1907,6 +1907,7 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist index 4673bcd..ee054a6 100644 --- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist @@ -116,6 +116,8 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.4 _Exit F GLIBC_2.4 _IO_2_1_stderr_ D 0x98 GLIBC_2.4 _IO_2_1_stdin_ D 0x98 diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist index 1f8ac40..227a058 100644 --- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist @@ -1981,6 +1981,8 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/microblaze/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/libc.abilist index 09277f5..18781b3 100644 --- a/sysdeps/unix/sysv/linux/microblaze/libc.abilist +++ b/sysdeps/unix/sysv/linux/microblaze/libc.abilist @@ -2122,3 +2122,5 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist index f562e20..2d86989 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist @@ -1959,6 +1959,8 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist index ceb7388..b8b113e 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist @@ -1957,6 +1957,8 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist index 5765f48..6a3cd13 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist @@ -1965,6 +1965,8 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist index a84bb45..596ec05 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist @@ -1961,6 +1961,7 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/nios2/libc.abilist b/sysdeps/unix/sysv/linux/nios2/libc.abilist index e432959..8da18ee 100644 --- a/sysdeps/unix/sysv/linux/nios2/libc.abilist +++ b/sysdeps/unix/sysv/linux/nios2/libc.abilist @@ -2163,3 +2163,5 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F diff --git a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h index 503f562..dd8a7ea 100644 --- a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h +++ b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h @@ -52,3 +52,12 @@ #undef __ASSUME_CLONE_DEFAULT #define __ASSUME_CLONE_BACKWARDS 1 + +#ifdef __powerpc64__ +# define FCNTL_ADJUST_CMD(__cmd) \ + ({ int __cmdadj = (__cmd); \ + if (__cmdadj >= F_GETLK64 && __cmdadj <= F_SETLKW64) \ + __cmdadj -= F_GETLK64 - F_GETLK; \ + __cmdadj; \ + }) +#endif diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist index a5f2b23..555751e 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist @@ -1985,6 +1985,8 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist index e4cbe36..80324e4 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist @@ -1989,6 +1989,8 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist index 9869feb..079bbb4 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist @@ -2221,3 +2221,6 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 GLIBC_2.28 A +GLIBC_2.28 __fcntl64 F +GLIBC_2.28 fcntl64 F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist index e526dc4..15be314 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist @@ -116,6 +116,7 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl64 F GLIBC_2.3 _Exit F GLIBC_2.3 _IO_2_1_stderr_ D 0xe0 GLIBC_2.3 _IO_2_1_stdin_ D 0xe0 diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist index e6319ee..436b992 100644 --- a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist +++ b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist @@ -2093,3 +2093,4 @@ GLIBC_2.27 xdrstdio_create F GLIBC_2.27 xencrypt F GLIBC_2.27 xprt_register F GLIBC_2.27 xprt_unregister F +GLIBC_2.28 fcntl64 F diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist index 41cdda0..f66715f 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist @@ -1994,6 +1994,8 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist index 8a756cf..bd62428 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist @@ -1900,6 +1900,7 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/sh/libc.abilist b/sysdeps/unix/sysv/linux/sh/libc.abilist index 999bddd..f2f070f 100644 --- a/sysdeps/unix/sysv/linux/sh/libc.abilist +++ b/sysdeps/unix/sysv/linux/sh/libc.abilist @@ -1876,6 +1876,8 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist index 7c4296f..265087f 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist @@ -1988,6 +1988,8 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist index dafe9d7..16a6981 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist @@ -1930,6 +1930,7 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist index f72d494..fa8c198 100644 --- a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist @@ -1888,6 +1888,7 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist index 96c9fa0..2536971 100644 --- a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist @@ -2139,3 +2139,4 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl64 F