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Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/setresgid.c')
-rw-r--r--sysdeps/unix/sysv/linux/i386/setresgid.c34
1 files changed, 29 insertions, 5 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/setresgid.c b/sysdeps/unix/sysv/linux/i386/setresgid.c
index 414a58b07e..ee782e49f3 100644
--- a/sysdeps/unix/sysv/linux/i386/setresgid.c
+++ b/sysdeps/unix/sysv/linux/i386/setresgid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 2000, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -25,6 +25,8 @@
#include <sysdep.h>
#include <sys/syscall.h>
#include "kernel-features.h"
+#include <pthread-functions.h>
+
#ifdef __NR_setresgid
@@ -39,17 +41,20 @@ extern int __libc_missing_32bit_uids;
int
__setresgid (gid_t rgid, gid_t egid, gid_t sgid)
{
+ int result;
+
# if __ASSUME_32BITUIDS > 0
- return INLINE_SYSCALL (setresgid32, 3, rgid, egid, sgid);
+ result = INLINE_SYSCALL (setresgid32, 3, rgid, egid, sgid);
# else
# ifdef __NR_setresgid32
if (__libc_missing_32bit_uids <= 0)
{
- int result;
int saved_errno = errno;
result = INLINE_SYSCALL (setresgid32, 3, rgid, egid, sgid);
- if (result == 0 || errno != ENOSYS)
+ if (result == 0)
+ goto out;
+ if (errno != ENOSYS)
return result;
__set_errno (saved_errno);
@@ -65,11 +70,30 @@ __setresgid (gid_t rgid, gid_t egid, gid_t sgid)
return -1;
}
- return INLINE_SYSCALL (setresgid, 3, rgid, egid, sgid);
+ result = INLINE_SYSCALL (setresgid, 3, rgid, egid, sgid);
+# ifdef __NR_setresgid32
+ out:
+# endif
# endif
+
+#if defined HAVE_PTR__NPTL_SETXID && !defined SINGLE_THREAD
+ if (result == 0 && __libc_pthread_functions.ptr__nptl_setxid != NULL)
+ {
+ struct xid_command cmd;
+ cmd.syscall_no = __NR_setresgid32;
+ cmd.id[0] = rgid;
+ cmd.id[1] = egid;
+ cmd.id[2] = sgid;
+ __libc_pthread_functions.ptr__nptl_setxid (&cmd);
+ }
+#endif
+
+ return result;
}
libc_hidden_def (__setresgid)
+#ifndef __setresgid
weak_alias (__setresgid, setresgid)
+#endif
#else