diff mbox series

[v5,08/35] arch_prctl.2: Use syscall(SYS_...); for system calls without a wrapper

Message ID 20210404115847.78166-9-alx.manpages@gmail.com
State Not applicable
Headers
Series None |

Commit Message

Alejandro Colomar April 4, 2021, 11:58 a.m. UTC 
  Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
---
 man2/arch_prctl.2 | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

Comments

Michael Kerrisk \(man-pages\) April 5, 2021, 11:25 a.m. UTC | #1 
Hi Alex,

On 4/4/21 1:58 PM, Alejandro Colomar wrote:
> Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
> ---
>  man2/arch_prctl.2 | 14 +++++---------
>  1 file changed, 5 insertions(+), 9 deletions(-)


Patch applied.

Thanks,

Michael


> diff --git a/man2/arch_prctl.2 b/man2/arch_prctl.2
> index 1ddeca595..f8073d625 100644
> --- a/man2/arch_prctl.2
> +++ b/man2/arch_prctl.2
> @@ -27,15 +27,14 @@
>  arch_prctl \- set architecture-specific thread state
>  .SH SYNOPSIS
>  .nf
> -.B #include <asm/prctl.h>
> +.BR "#include <asm/prctl.h>" "        /* Definition of " ARCH_* " constants */"
>  .B #include <sys/prctl.h>
> +.BR "#include <sys/syscall.h>" "      /* Definition of " SYS_* " constants */"
> +.B #include <unistd.h>
>  .PP
> -.BI "int arch_prctl(int " code ", unsigned long " addr );
> -.BI "int arch_prctl(int " code ", unsigned long *" addr );
> +.BI "int syscall(SYS_arch_prctl, int " code ", unsigned long " addr );
> +.BI "int syscall(SYS_arch_prctl, int " code ", unsigned long *" addr );
>  .fi
> -.PP
> -.IR Note :
> -There is no glibc wrapper for this system call; see NOTES.
>  .SH DESCRIPTION
>  .BR arch_prctl ()
>  sets architecture-specific process or thread state.
> @@ -177,9 +176,6 @@ and
>  in the same thread is dangerous, as they may overwrite each other's
>  TLS entries.
>  .PP
> -Glibc does not provide a wrapper for this system call; call it using
> -.BR syscall (2).
> -.PP
>  .I FS
>  may be already used by the threading library.
>  Programs that use
>
diff mbox series

Patch

diff --git a/man2/arch_prctl.2 b/man2/arch_prctl.2
index 1ddeca595..f8073d625 100644
--- a/man2/arch_prctl.2
+++ b/man2/arch_prctl.2
@@ -27,15 +27,14 @@ 
 arch_prctl \- set architecture-specific thread state
 .SH SYNOPSIS
 .nf
-.B #include <asm/prctl.h>
+.BR "#include <asm/prctl.h>" "        /* Definition of " ARCH_* " constants */"
 .B #include <sys/prctl.h>
+.BR "#include <sys/syscall.h>" "      /* Definition of " SYS_* " constants */"
+.B #include <unistd.h>
 .PP
-.BI "int arch_prctl(int " code ", unsigned long " addr );
-.BI "int arch_prctl(int " code ", unsigned long *" addr );
+.BI "int syscall(SYS_arch_prctl, int " code ", unsigned long " addr );
+.BI "int syscall(SYS_arch_prctl, int " code ", unsigned long *" addr );
 .fi
-.PP
-.IR Note :
-There is no glibc wrapper for this system call; see NOTES.
 .SH DESCRIPTION
 .BR arch_prctl ()
 sets architecture-specific process or thread state.
@@ -177,9 +176,6 @@  and
 in the same thread is dangerous, as they may overwrite each other's
 TLS entries.
 .PP
-Glibc does not provide a wrapper for this system call; call it using
-.BR syscall (2).
-.PP
 .I FS
 may be already used by the threading library.
 Programs that use