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execveat.2: Normalize notes about missing wrappers 

It's been a long time sine kernel 3.19.
There's still no glibc wrapper.

......

$ grep -rn 'execveat *(' glibc/
$

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Alejandro Colomar 2021-01-16 15:58:59 +01:00 committed by Michael Kerrisk
parent d75c2ffe21
commit d51b60ac01
1 changed files with 8 additions and 4 deletions
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12
man2/execveat.2
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@ -30,10 +30,13 @@ execveat \- execute program relative to a directory file descriptor
.nf
.B #include <unistd.h>
.PP
.BI "int execveat(int " dirfd ", const char *" pathname ","
.BI " char *const " argv "[], char *const " envp "[],"
.BI "int execveat(int " dirfd ", const char *" pathname ,
.BI " char *const " argv "[], char *const " envp [],
.BI " int " flags );
.fi
.PP
.IR Note :
There is no glibc wrapper for this system call; see NOTES.
.SH DESCRIPTION
.\" commit 51f39a1f0cea1cacf8c787f652f26dfee9611874
The
@ -160,8 +163,6 @@ is a file descriptor referring to a file other than a directory.
.SH VERSIONS
.BR execveat ()
was added to Linux in kernel 3.19.
GNU C library support is pending.
.\" FIXME . check for glibc support in a future release
.SH CONFORMING TO
The
.BR execveat ()
@ -207,6 +208,9 @@ 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