linux-kernel - [RFC v3 09/17] execveat.2: Use syscall(SYS_...); for system calls without a wrapper

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Message-Id: <20210313192526.350200-10-alx.manpages@gmail.com>
Date:   Sat, 13 Mar 2021 20:25:19 +0100
From:   Alejandro Colomar <alx.manpages@...il.com>
To:     mtk.manpages@...il.com
Cc:     Alejandro Colomar <alx.manpages@...il.com>,
        linux-man@...r.kernel.org, libc-alpha@...rceware.org,
        linux-kernel@...r.kernel.org, Florian Weimer <fweimer@...hat.com>
Subject: [RFC v3 09/17] execveat.2: Use syscall(SYS_...); for system calls without a wrapper

Signed-off-by: Alejandro Colomar <alx.manpages@...il.com>
---
 man2/execveat.2 | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/man2/execveat.2 b/man2/execveat.2
index 499bf1b57..0d23cb39b 100644
--- a/man2/execveat.2
+++ b/man2/execveat.2
@@ -28,15 +28,13 @@
 execveat \- execute program relative to a directory file descriptor
 .SH SYNOPSIS
 .nf
+.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 +207,6 @@ 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
-- 
2.30.2