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.
This commit is contained in:
Ulrich Drepper 2003-04-04 07:59:55 +00:00
parent d9eb687be2
commit 86246935da
6 changed files with 137 additions and 4 deletions

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@ -1 +1 @@
NPTL 0.33 by Ulrich Drepper
NPTL 0.34 by Ulrich Drepper

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@ -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

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@ -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 \

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@ -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 */

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@ -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

123
nptl/tst-cancel11.c Normal file
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@ -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"