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Change setgroups to affect all the threads in the process.

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This commit is contained in:
Ulrich Drepper
2011-01-14 08:42:11 -05:00
parent 794c3ad3a4
commit 70181fddf1
6 changed files with 66 additions and 12 deletions
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12
sysdeps/unix/sysv/linux/i386/setgroups.c
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@@ -1,4 +1,5 @@
/* Copyright (C) 1997,1998,2000,2002,2004,2006 Free Software Foundation, Inc.
/* Copyright (C) 1997,1998,2000,2002,2004,2006,2011
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 +26,7 @@
#include <sys/syscall.h>
#include <bp-checks.h>
#include <setxid.h>
#include <linux/posix_types.h>
#include <kernel-features.h>
@@ -44,7 +46,7 @@ int
setgroups (size_t n, const gid_t *groups)
{
#if __ASSUME_32BITUIDS > 0
return INLINE_SYSCALL (setgroups32, 2, n, CHECK_N (groups, n));
return INLINE_SETXID_SYSCALL (setgroups32, 2, n, CHECK_N (groups, n));
#else
if (n > (size_t) __sysconf (_SC_NGROUPS_MAX))
{
@@ -62,7 +64,8 @@ setgroups (size_t n, const gid_t *groups)
int result;
int saved_errno = errno;
result = INLINE_SYSCALL (setgroups32, 2, n, CHECK_N (groups, n));
result = INLINE_SETXID_SYSCALL (setgroups32, 2, n,
CHECK_N (groups, n));
if (result == 0 || errno != ENOSYS)
return result;
@@ -80,7 +83,8 @@ setgroups (size_t n, const gid_t *groups)
}
}
return INLINE_SYSCALL (setgroups, 2, n, CHECK_N (kernel_groups, n));
return INLINE_SETXID_SYSCALL (setgroups, 2, n,
CHECK_N (kernel_groups, n));
}
#endif
}