aboutsummaryrefslogtreecommitdiff
path: root/intl
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2008-03-30 23:40:18 +0000
committerUlrich Drepper <drepper@redhat.com>2008-03-30 23:40:18 +0000
commit2ecc7d93b88b5b9e8ef5833c541d2db1c4608799 (patch)
treef404523e0a8d3fc70746d2a38cb31574fd1f30aa /intl
parentfaa091c673792ef8d148e1d2117c853da8a961a8 (diff)
downloadglibc-2ecc7d93b88b5b9e8ef5833c541d2db1c4608799.zip
glibc-2ecc7d93b88b5b9e8ef5833c541d2db1c4608799.tar.gz
glibc-2ecc7d93b88b5b9e8ef5833c541d2db1c4608799.tar.bz2
* intl/dcigettext.c (_nl_find_msg): Reread nconversions after
acquiring wrlock. Do conv_tab allocation while holding lock. * intl/Makefile: Add rules to build and run tst-gettext6. * intl/tst-gettext6.c: New test. * intl/tst-gettext6.sh: New file.
Diffstat (limited to 'intl')
-rw-r--r--intl/Makefile13
-rw-r--r--intl/dcigettext.c30
-rw-r--r--intl/tst-gettext6.c86
-rw-r--r--intl/tst-gettext6.sh41
4 files changed, 156 insertions, 14 deletions
diff --git a/intl/Makefile b/intl/Makefile
index 9da445a..1511edd 100644
--- a/intl/Makefile
+++ b/intl/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1995-2003, 2005 Free Software Foundation, Inc.
+# Copyright (C) 1995-2003, 2005, 2008 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
@@ -32,11 +32,11 @@ distribute = gmo.h gettextP.h hash-string.h loadinfo.h locale.alias \
tst-codeset.sh tstcodeset.po \
tst-gettext3.sh \
tst-gettext4.sh tst-gettext4-de.po tst-gettext4-fr.po \
- tst-gettext5.sh
+ tst-gettext5.sh tst-gettext6.sh
include ../Makeconfig
-multithread-test-srcs := tst-gettext4 tst-gettext5
+multithread-test-srcs := tst-gettext4 tst-gettext5 tst-gettext6
test-srcs := tst-gettext tst-translit tst-gettext2 tst-codeset tst-gettext3
ifeq ($(have-thread-library),yes)
test-srcs += $(multithread-test-srcs)
@@ -67,7 +67,8 @@ ifneq ($(strip $(MSGFMT)),:)
tests: $(objpfx)tst-translit.out $(objpfx)tst-gettext2.out \
$(objpfx)tst-codeset.out $(objpfx)tst-gettext3.out
ifeq ($(have-thread-library),yes)
-tests: $(objpfx)tst-gettext4.out $(objpfx)tst-gettext5.out
+tests: $(objpfx)tst-gettext4.out $(objpfx)tst-gettext5.out \
+ $(objpfx)tst-gettext6.out
endif
ifneq (no,$(PERL))
tests: $(objpfx)mtrace-tst-gettext
@@ -90,6 +91,8 @@ $(objpfx)tst-gettext4.out: tst-gettext4.sh $(objpfx)tst-gettext4
$(SHELL) -e $< $(common-objpfx) '$(run-program-prefix)' $(common-objpfx)intl/
$(objpfx)tst-gettext5.out: tst-gettext5.sh $(objpfx)tst-gettext5
$(SHELL) -e $< $(common-objpfx) '$(run-program-prefix)' $(common-objpfx)intl/
+$(objpfx)tst-gettext6.out: tst-gettext6.sh $(objpfx)tst-gettext6
+ $(SHELL) -e $< $(common-objpfx) '$(run-program-prefix)' $(common-objpfx)intl/
endif
endif
@@ -104,6 +107,7 @@ CFLAGS-tst-codeset.c = -DOBJPFX=\"$(objpfx)\"
CFLAGS-tst-gettext3.c = -DOBJPFX=\"$(objpfx)\"
CFLAGS-tst-gettext4.c = -DOBJPFX=\"$(objpfx)\"
CFLAGS-tst-gettext5.c = -DOBJPFX=\"$(objpfx)\"
+CFLAGS-tst-gettext6.c = -DOBJPFX=\"$(objpfx)\"
ifeq ($(have-thread-library),yes)
ifeq (yes,$(build-shared))
@@ -122,6 +126,7 @@ $(objpfx)tst-codeset.out: $(objpfx)tst-gettext.out
$(objpfx)tst-gettext3.out: $(objpfx)tst-gettext.out
$(objpfx)tst-gettext4.out: $(objpfx)tst-gettext.out
$(objpfx)tst-gettext5.out: $(objpfx)tst-gettext.out
+$(objpfx)tst-gettext6.out: $(objpfx)tst-gettext.out
CPPFLAGS += -D'LOCALEDIR="$(msgcatdir)"' \
-D'LOCALE_ALIAS_PATH="$(msgcatdir)"'
diff --git a/intl/dcigettext.c b/intl/dcigettext.c
index 7004cd4..f8a0311 100644
--- a/intl/dcigettext.c
+++ b/intl/dcigettext.c
@@ -879,6 +879,7 @@ _nl_find_msg (domain_file, domainbinding, msgid, convert, lengthp)
{
/* We have to allocate a new conversions table. */
__libc_rwlock_wrlock (domain->conversions_lock);
+ nconversions = domain->nconversions;
/* Maybe in the meantime somebody added the translation.
Recheck. */
@@ -1033,6 +1034,7 @@ _nl_find_msg (domain_file, domainbinding, msgid, convert, lengthp)
# endif
)
{
+ __libc_lock_define_initialized (static, lock)
/* We are supposed to do a conversion. First allocate an
appropriate table with the same structure as the table
of translations in the file, where we can put the pointers
@@ -1042,13 +1044,21 @@ _nl_find_msg (domain_file, domainbinding, msgid, convert, lengthp)
handle this case by converting RESULTLEN bytes, including
NULs. */
- if (convd->conv_tab == NULL
- && ((convd->conv_tab =
- (char **) calloc (nstrings + domain->n_sysdep_strings,
- sizeof (char *)))
- == NULL))
- /* Mark that we didn't succeed allocating a table. */
- convd->conv_tab = (char **) -1;
+ if (__builtin_expect (convd->conv_tab == NULL, 0))
+ {
+ __libc_lock_lock (lock);
+ if (convd->conv_tab == NULL)
+ {
+ convd->conv_tab
+ = calloc (nstrings + domain->n_sysdep_strings,
+ sizeof (char *));
+ if (convd->conv_tab != NULL)
+ goto not_translated_yet;
+ /* Mark that we didn't succeed allocating a table. */
+ convd->conv_tab = (char **) -1;
+ }
+ __libc_lock_unlock (lock);
+ }
if (__builtin_expect (convd->conv_tab == (char **) -1, 0))
/* Nothing we can do, no more memory. We cannot use the
@@ -1057,12 +1067,14 @@ _nl_find_msg (domain_file, domainbinding, msgid, convert, lengthp)
if (convd->conv_tab[act] == NULL)
{
+ __libc_lock_lock (lock);
+ not_translated_yet:;
+
/* We haven't used this string so far, so it is not
translated yet. Do this now. */
/* We use a bit more efficient memory handling.
We allocate always larger blocks which get used over
time. This is faster than many small allocations. */
- __libc_lock_define_initialized (static, lock)
# define INITIAL_BLOCK_SIZE 4080
static unsigned char *freemem;
static size_t freemem_size;
@@ -1074,8 +1086,6 @@ _nl_find_msg (domain_file, domainbinding, msgid, convert, lengthp)
transmem_block_t *transmem_list = NULL;
# endif
- __libc_lock_lock (lock);
-
inbuf = (const unsigned char *) result;
outbuf = freemem + sizeof (size_t);
diff --git a/intl/tst-gettext6.c b/intl/tst-gettext6.c
new file mode 100644
index 0000000..39611aa3
--- /dev/null
+++ b/intl/tst-gettext6.c
@@ -0,0 +1,86 @@
+/* Test that gettext() in multithreaded applications works correctly.
+ Copyright (C) 2008 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2008.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <libintl.h>
+#include <locale.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+pthread_barrier_t b;
+
+static void *
+tf (void *arg)
+{
+ pthread_barrier_wait (&b);
+ return gettext ("Operation not permitted");
+}
+
+int
+test (void)
+{
+ pthread_t th[4];
+ unsetenv ("LANGUAGE");
+ unsetenv ("OUTPUT_CHARSET");
+ textdomain ("tstgettext6");
+ bindtextdomain ("tstgettext6", OBJPFX "domaindir");
+ setlocale (LC_ALL, "ja_JP.UTF-8");
+ pthread_barrier_init (&b, NULL, 4);
+ for (int i = 0; i < 4; i++)
+ if (pthread_create (&th[i], NULL, tf, NULL))
+ {
+ puts ("pthread_create failed");
+ return 1;
+ }
+ for (int i = 0; i < 4; i++)
+ pthread_join (th[i], NULL);
+ return 0;
+}
+
+int
+main (void)
+{
+ for (int i = 0; i < 300; i++)
+ {
+ pid_t p = fork ();
+ if (p == -1)
+ {
+ printf ("fork failed: %m\n");
+ return 1;
+ }
+ if (p == 0)
+ _exit (test ());
+ int status;
+ wait (&status);
+ if (WIFEXITED (status) && WEXITSTATUS (status) != 0)
+ {
+ printf ("child exited with %d\n", WEXITSTATUS (status));
+ return 1;
+ }
+ else if (WIFSIGNALED (status))
+ {
+ printf ("child killed by signal %d\n", WTERMSIG (status));
+ return 1;
+ }
+ }
+ return 0;
+}
diff --git a/intl/tst-gettext6.sh b/intl/tst-gettext6.sh
new file mode 100644
index 0000000..95e5ff9
--- /dev/null
+++ b/intl/tst-gettext6.sh
@@ -0,0 +1,41 @@
+#! /bin/sh
+# Test that gettext() in multithreaded applications works correctly.
+# Copyright (C) 2008 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
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+
+# The GNU C Library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+
+# You should have received a copy of the GNU Lesser General Public
+# License along with the GNU C Library; if not, write to the Free
+# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+# 02111-1307 USA.
+
+common_objpfx=$1
+run_program_prefix=$2
+objpfx=$3
+
+LC_ALL=C
+export LC_ALL
+
+# Create the domain directory.
+mkdir -p ${objpfx}domaindir/ja_JP/LC_MESSAGES
+# Populate it.
+msgfmt -o ${objpfx}domaindir/ja_JP/LC_MESSAGES/tstgettext6.mo ../po/ja.po
+
+GCONV_PATH=${common_objpfx}iconvdata
+export GCONV_PATH
+LOCPATH=${common_objpfx}localedata
+export LOCPATH
+
+${run_program_prefix} ${objpfx}tst-gettext6 > ${objpfx}tst-gettext6.out
+
+exit $?