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Diffstat (limited to 'sysdeps/posix/spawni.c')
-rw-r--r--sysdeps/posix/spawni.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/sysdeps/posix/spawni.c b/sysdeps/posix/spawni.c
index 29803a8461..c5a827d6d7 100644
--- a/sysdeps/posix/spawni.c
+++ b/sysdeps/posix/spawni.c
@@ -1,5 +1,5 @@
/* Guts of POSIX spawn interface. Generic POSIX.1 version.
- Copyright (C) 2000-2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2000-2005, 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
@@ -24,6 +24,7 @@
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include <sys/resource.h>
#include "spawn_int.h"
#include <not-cancel.h>
#include <local-setxid.h>
@@ -164,6 +165,8 @@ __spawni (pid_t *pid, const char *file,
if (file_actions != NULL)
{
int cnt;
+ struct rlimit64 fdlimit;
+ bool have_fdlimit = false;
for (cnt = 0; cnt < file_actions->__used; ++cnt)
{
@@ -173,8 +176,19 @@ __spawni (pid_t *pid, const char *file,
{
case spawn_do_close:
if (close_not_cancel (action->action.close_action.fd) != 0)
- /* Signal the error. */
- _exit (SPAWN_ERROR);
+ {
+ if (! have_fdlimit)
+ {
+ getrlimit64 (RLIMIT_NOFILE, &fdlimit);
+ have_fdlimit = true;
+ }
+
+ /* Only signal errors for file descriptors out of range. */
+ if (action->action.close_action.fd < 0
+ || action->action.close_action.fd >= fdlimit.rlim_cur)
+ /* Signal the error. */
+ _exit (SPAWN_ERROR);
+ }
break;
case spawn_do_open: