Re: [PATCH] execveat.2: Normalize notes about missing wrappers
flat view
From: Michael Kerrisk (man-pages) <hidden>
Date: 2021-01-17 20:36:57
Hi Alex, On 1/16/21 3:58 PM, Alejandro Colomar wrote:
It's been a long time sine kernel 3.19. There's still no glibc wrapper.
Fair enough! Patch applid. Thanks, Michael
quoted hunk ↗ jump to hunk
...... $ grep -rn 'execveat *(' glibc/ $ Signed-off-by: Alejandro Colomar <redacted> --- man2/execveat.2 | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-)diff --git a/man2/execveat.2 b/man2/execveat.2 index ef3606d8b..02d9c7331 100644 --- a/man2/execveat.2 +++ b/man2/execveat.2@@ -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
-- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/