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authorUlrich Drepper <drepper@redhat.com>2004-07-16 19:06:46 +0000
committerUlrich Drepper <drepper@redhat.com>2004-07-16 19:06:46 +0000
commit531b71dd4ddc4b15fe643b182d500e6bc7bde413 (patch)
treed56178080bf346c8b465e4f32761cfe72a60b87b /locale
parent06eee9f5f6e6911d6ded34eab033373057cfe16e (diff)
downloadglibc-531b71dd4ddc4b15fe643b182d500e6bc7bde413.tar.gz
Update.
2004-07-16 Jakub Jelinek <jakub@redhat.com> * locale/newlocale.c: Include bits/libc-lock.h. (__libc_setlocale_lock): Extern decl. (__newlocale): Use it. Reported by Ulrich Weigand <Ulrich.Weigand@de.ibm.com>.
Diffstat (limited to 'locale')
-rw-r--r--locale/newlocale.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/locale/newlocale.c b/locale/newlocale.c
index 1131f62c0b..b646ffeacd 100644
--- a/locale/newlocale.c
+++ b/locale/newlocale.c
@@ -1,5 +1,6 @@
/* Return a reference to locale information record.
- Copyright (C) 1996,1997,1999,2000,2001,2002 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002, 2004
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -19,6 +20,7 @@
02111-1307 USA. */
#include <argz.h>
+#include <bits/libc-lock.h>
#include <errno.h>
#include <locale.h>
#include <stdlib.h>
@@ -27,6 +29,10 @@
#include "localeinfo.h"
+/* Lock for protecting global data. */
+__libc_lock_define (extern , __libc_setlocale_lock attribute_hidden)
+
+
/* Use this when we come along an error. */
#define ERROR_RETURN \
do { \
@@ -154,6 +160,9 @@ __newlocale (int category_mask, const char *locale, __locale_t base)
ERROR_RETURN;
}
+ /* Protect global data. */
+ __libc_lock_lock (__libc_setlocale_lock);
+
/* Now process all categories we are interested in. */
names_len = 0;
for (cnt = 0; cnt < __LC_LAST; ++cnt)
@@ -171,6 +180,9 @@ __newlocale (int category_mask, const char *locale, __locale_t base)
&& result.__locales[cnt]->usage_count != UNDELETABLE)
/* We can remove the data. */
_nl_remove_locale (cnt, result.__locales[cnt]);
+
+ /* Critical section left. */
+ __libc_lock_unlock (__libc_setlocale_lock);
return NULL;
}
@@ -249,6 +261,9 @@ __newlocale (int category_mask, const char *locale, __locale_t base)
free (base);
}
+ /* Critical section left. */
+ __libc_lock_unlock (__libc_setlocale_lock);
+
/* Update the special members. */
update:
{