[v5,08/35] arch_prctl.2: Use syscall(SYS_...); for system calls without a wrapper
Commit Message
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
---
man2/arch_prctl.2 | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)
Comments
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
>
@@ -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