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authorUlrich Drepper <drepper@redhat.com>2003-04-04 07:59:55 +0000
committerUlrich Drepper <drepper@redhat.com>2003-04-04 07:59:55 +0000
commit86246935dafa15d762e202d39bca55b113c9ee56 (patch)
tree2b7e017e5ac9cc03cc99ca0d7b3def32590230d4
parentd9eb687be2a0c684ccc0b67d15f139d94d56b873 (diff)
downloadglibc-86246935dafa15d762e202d39bca55b113c9ee56.tar.gz
Update.
2003-04-03 Ulrich Drepper <drepper@redhat.com> * init.c (sigcancel_handler): Don't set EXITING_BIT here. * libc-cancellation.c (__libc_enable_asynccancel): Likewise. * pthreadP.h (__do_cancel): Set EXITING_BIT here. * Makefile (tests): Add tst-cancel11. * tst-cancel11.c: New file.
-rw-r--r--nptl/Banner2
-rw-r--r--nptl/ChangeLog8
-rw-r--r--nptl/Makefile1
-rw-r--r--nptl/libc-cancellation.c3
-rw-r--r--nptl/pthreadP.h4
-rw-r--r--nptl/tst-cancel11.c123
6 files changed, 137 insertions, 4 deletions
diff --git a/nptl/Banner b/nptl/Banner
index f11a2e32eb..288d93dbf8 100644
--- a/nptl/Banner
+++ b/nptl/Banner
@@ -1 +1 @@
-NPTL 0.33 by Ulrich Drepper
+NPTL 0.34 by Ulrich Drepper
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index ca35ca14e0..d8467e8cda 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,11 @@
+2003-04-03 Ulrich Drepper <drepper@redhat.com>
+
+ * init.c (sigcancel_handler): Don't set EXITING_BIT here.
+ * libc-cancellation.c (__libc_enable_asynccancel): Likewise.
+ * pthreadP.h (__do_cancel): Set EXITING_BIT here.
+ * Makefile (tests): Add tst-cancel11.
+ * tst-cancel11.c: New file.
+
2003-04-01 Ulrich Drepper <drepper@redhat.com>
* pthread_create.c (deallocate_tsd): Clear/free memory after the last
diff --git a/nptl/Makefile b/nptl/Makefile
index 672e88a5ae..a7d592049e 100644
--- a/nptl/Makefile
+++ b/nptl/Makefile
@@ -151,6 +151,7 @@ tests = tst-attr1 tst-attr2 \
tst-atfork1 \
tst-cancel1 tst-cancel2 tst-cancel3 tst-cancel4 tst-cancel5 \
tst-cancel6 tst-cancel7 tst-cancel8 tst-cancel9 tst-cancel10 \
+ tst-cancel11 \
tst-cleanup1 tst-cleanup2 tst-cleanup3 \
tst-flock1 tst-flock2 \
tst-signal1 tst-signal2 tst-signal3 tst-signal4 tst-signal5 \
diff --git a/nptl/libc-cancellation.c b/nptl/libc-cancellation.c
index 0d584fbb33..344a2181c8 100644
--- a/nptl/libc-cancellation.c
+++ b/nptl/libc-cancellation.c
@@ -54,9 +54,6 @@ __libc_enable_asynccancel (void)
THREAD_SETMEM (self, result, PTHREAD_CANCELED);
- /* The thread is exiting now. */
- atomic_bit_set (&self->cancelhandling, EXITING_BIT);
-
__do_cancel ();
/* NOTREACHED */
diff --git a/nptl/pthreadP.h b/nptl/pthreadP.h
index d90ac36091..725c87d6bb 100644
--- a/nptl/pthreadP.h
+++ b/nptl/pthreadP.h
@@ -29,6 +29,7 @@
#include <stackinfo.h>
#include <internaltypes.h>
#include <pthread-functions.h>
+#include <atomic.h>
/* Internal variables. */
@@ -149,6 +150,9 @@ __do_cancel (void)
{
struct pthread *self = THREAD_SELF;
+ /* Make sure we get no more cancellations. */
+ atomic_bit_set (&self->cancelhandling, EXITING_BIT);
+
/* Throw an exception. */
// XXX TBI
diff --git a/nptl/tst-cancel11.c b/nptl/tst-cancel11.c
new file mode 100644
index 0000000000..235aef5c4d
--- /dev/null
+++ b/nptl/tst-cancel11.c
@@ -0,0 +1,123 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ 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 <errno.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+
+static pthread_barrier_t bar;
+static int fd[2];
+
+
+static void
+cleanup (void *arg)
+{
+ static int ncall;
+
+ if (++ncall != 1)
+ {
+ puts ("second call to cleanup");
+ exit (1);
+ }
+
+ printf ("cleanup call #%d\n", ncall);
+}
+
+
+static void *
+tf (void *arg)
+{
+ pthread_cleanup_push (cleanup, NULL);
+
+ int e = pthread_barrier_wait (&bar);
+ if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ puts ("tf: 1st barrier_wait failed");
+ exit (1);
+ }
+
+ /* This call should block and be cancelable. */
+ char buf[20];
+ read (fd[0], buf, sizeof (buf));
+
+ pthread_cleanup_pop (0);
+
+ return NULL;
+}
+
+
+static int
+do_test (void)
+{
+ pthread_t th;
+
+ if (pthread_barrier_init (&bar, NULL, 2) != 0)
+ {
+ puts ("barrier_init failed");
+ exit (1);
+ }
+
+ if (pipe (fd) != 0)
+ {
+ puts ("pipe failed");
+ exit (1);
+ }
+
+ if (pthread_create (&th, NULL, tf, NULL) != 0)
+ {
+ puts ("create failed");
+ exit (1);
+ }
+
+ int e = pthread_barrier_wait (&bar);
+ if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ puts ("1st barrier_wait failed");
+ exit (1);
+ }
+
+ if (pthread_cancel (th) != 0)
+ {
+ puts ("1st cancel failed");
+ exit (1);
+ }
+
+ void *r;
+ if (pthread_join (th, &r) != 0)
+ {
+ puts ("join failed");
+ exit (1);
+ }
+
+ if (r != PTHREAD_CANCELED)
+ {
+ puts ("thread not canceled");
+ exit (1);
+ }
+
+ return 0;
+}
+
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"