diff mbox series

[v5,14/35] execveat.2: Use syscall(SYS_...); for system calls without a wrapper

Message ID 20210404115847.78166-15-alx.manpages@gmail.com
State Not Applicable
Headers show
Series None | expand

Commit Message

Alejandro Colomar \(man-pages\) April 4, 2021, 11:58 a.m. UTC
Add <linux/fcntl.h>, which contains AT_* definitions used by
execveat().

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
---
 man2/execveat.2 | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

Comments

Michael Kerrisk \(man-pages\) April 5, 2021, 11:33 a.m. UTC | #1
Hi Alex,

On 4/4/21 1:58 PM, Alejandro Colomar wrote:
> Add <linux/fcntl.h>, which contains AT_* definitions used by
> execveat().
> 
> Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>

Patch applied.

Thanks,

Michael


> ---
>  man2/execveat.2 | 14 +++++---------
>  1 file changed, 5 insertions(+), 9 deletions(-)
> 
> diff --git a/man2/execveat.2 b/man2/execveat.2
> index 855832765..c566f53df 100644
> --- a/man2/execveat.2
> +++ b/man2/execveat.2
> @@ -28,15 +28,14 @@
>  execveat \- execute program relative to a directory file descriptor
>  .SH SYNOPSIS
>  .nf
> +.BR "#include <linux/fcntl.h>" "      /* Definition of " AT_* " constants */"
> +.BR "#include <sys/syscall.h>" "      /* Definition of " SYS_* " constants */"
>  .B #include <unistd.h>
>  .PP
> -.BI "int execveat(int " dirfd ", const char *" pathname ,
> -.BI "             const char *const " argv "[], const char *const " envp [],
> -.BI "             int " flags );
> +.BI "int syscall(SYS_execveat, int " dirfd ", const char *" pathname ,
> +.BI "            const char *const " argv "[], const char *const " envp [],
> +.BI "            int " flags );
>  .fi
> -.PP
> -.IR Note :
> -There is no glibc wrapper for this system call; see NOTES.
>  .\" FIXME . See https://sourceware.org/bugzilla/show_bug.cgi?id=27364
>  .SH DESCRIPTION
>  .\" commit 51f39a1f0cea1cacf8c787f652f26dfee9611874
> @@ -209,9 +208,6 @@ the natural idiom when using
>  is to set the close-on-exec flag on
>  .IR dirfd .
>  (But see BUGS.)
> -.PP
> -Glibc does not provide a wrapper for this system call; call it using
> -.BR syscall (2).
>  .SH BUGS
>  The
>  .B ENOENT
>
diff mbox series

Patch

diff --git a/man2/execveat.2 b/man2/execveat.2
index 855832765..c566f53df 100644
--- a/man2/execveat.2
+++ b/man2/execveat.2
@@ -28,15 +28,14 @@ 
 execveat \- execute program relative to a directory file descriptor
 .SH SYNOPSIS
 .nf
+.BR "#include <linux/fcntl.h>" "      /* Definition of " AT_* " constants */"
+.BR "#include <sys/syscall.h>" "      /* Definition of " SYS_* " constants */"
 .B #include <unistd.h>
 .PP
-.BI "int execveat(int " dirfd ", const char *" pathname ,
-.BI "             const char *const " argv "[], const char *const " envp [],
-.BI "             int " flags );
+.BI "int syscall(SYS_execveat, int " dirfd ", const char *" pathname ,
+.BI "            const char *const " argv "[], const char *const " envp [],
+.BI "            int " flags );
 .fi
-.PP
-.IR Note :
-There is no glibc wrapper for this system call; see NOTES.
 .\" FIXME . See https://sourceware.org/bugzilla/show_bug.cgi?id=27364
 .SH DESCRIPTION
 .\" commit 51f39a1f0cea1cacf8c787f652f26dfee9611874
@@ -209,9 +208,6 @@  the natural idiom when using
 is to set the close-on-exec flag on
 .IR dirfd .
 (But see BUGS.)
-.PP
-Glibc does not provide a wrapper for this system call; call it using
-.BR syscall (2).
 .SH BUGS
 The
 .B ENOENT