glibc/sysdeps/mach/hurd/htl/pt-docancel.c
Samuel Thibault f6fb29d22e hurd: Avoid local PLTs in libpthread.
* htl/cthreads-compat.c (__cthread_detach): Call __pthread_detach
	instead of pthread_detach.
	(__cthread_fork): Call __pthread_create instead of pthread_create.
	(__cthread_keycreate): Call __pthread_key_create instead of
	pthread_key_create.
	(__cthread_getspecific): Call __pthread_getspecific instead of
	pthread_getspecific.
	(__cthread_setspecific): Call __pthread_setspecific instead of
	pthread_setspecific.
	* htl/pt-alloc.c (__pthread_alloc): Call __pthread_mutex_lock and
	__pthread_mutex_unlock instead of pthread_mutex_lock and
	pthread_mutex_unlock.
	* htl/pt-cleanup.c (__pthread_get_cleanup_stack): Rename to
	___pthread_get_cleanup_stack.
	(__pthread_get_cleanup_stack): New strong alias.
	* htl/pt-create.c: Include <pthreadP.h>.
	(entry_point): Call __pthread_exit instead of pthread_exit.
	(pthread_create): Rename to __pthread_create.
	(pthread_create): New strong alias.
	* htl/pt-detach.c (pthread_detach): Rename to __pthread_detach.
	(pthread_detach): New strong alias.
	(__pthread_detach): Call __pthread_cond_broadcast instead of
	pthread_cond_broadcast.
	* htl/pt-exit.c (__pthread_exit): Call __pthread_setcancelstate
	instead of pthread_setcancelstate.
	* htl/pt-testcancel.c: Include <pthreadP.h>.
	(pthread_testcancel): Call __pthread_exit instead of pthread_exit.
	* sysdeps/htl/pt-attr-getstack.c: Include <pthreadP.h>
	(__pthread_attr_getstack): Call __pthread_attr_getstackaddr and
	__pthread_attr_getstacksize instead of pthread_attr_getstackaddr and
	pthread_attr_getstacksize.
	* sysdeps/htl/pt-attr-getstackaddr.c (pthread_attr_getstackaddr):
	Rename to __pthread_attr_getstackaddr.
	(pthread_attr_getstackaddr): New strong alias.
	* sysdeps/htl/pt-attr-getstacksize.c (pthread_attr_getstacksize):
	Rename to __pthread_attr_getstacksize.
	(pthread_attr_getstacksize): New strong alias.
	* sysdeps/htl/pt-attr-setstack.c: Include <pthreadP.h>.
	(pthread_attr_setstack): Rename to __pthread_attr_setstack.
	(pthread_attr_setstack): New strong alias.
	(__pthread_attr_setstack): Call __pthread_attr_getstacksize,
	__pthread_attr_setstacksize and __pthread_attr_setstackaddr instead of
	pthread_attr_getstacksize, pthread_attr_setstacksize and
	pthread_attr_setstackaddr.
	* sysdeps/htl/pt-attr-setstackaddr.c (pthread_attr_setstackaddr):
	Rename to __pthread_attr_setstackaddr.
	(pthread_attr_setstackaddr): New strong alias.
	* sysdeps/htl/pt-attr-setstacksize.c (pthread_attr_setstacksize):
	Rename to __pthread_attr_setstacksize.
	(pthread_attr_setstacksize): New strong alias.
	* sysdeps/htl/pt-cond-timedwait.c: Include <pthreadP.h>.
	(__pthread_cond_timedwait_internal): Use __pthread_exit instead of
	pthread_exit.
	* sysdeps/htl/pt-key-create.c: Include <pthreadP.h>.
	(__pthread_key_create): New hidden def.
	* sysdeps/htl/pt-key.h: Include <pthreadP.h>.
	* sysdeps/htl/pthreadP.h (_pthread_mutex_init,
	__pthread_cond_broadcast, __pthread_create, __pthread_detach,
	__pthread_exit, __pthread_key_create, __pthread_getspecific,
	__pthread_setspecific, __pthread_setcancelstate,
	__pthread_attr_getstackaddr, __pthread_attr_setstackaddr,
	__pthread_attr_getstacksize, __pthread_attr_setstacksize,
	__pthread_attr_setstack, ___pthread_get_cleanup_stack): New
	declarations.
	(__pthread_key_create, _pthread_mutex_init): New hidden declarations.
	* sysdeps/mach/hurd/htl/pt-attr-setstackaddr.c
	(pthread_attr_setstackaddr): Rename to __pthread_attr_setstackaddr.
	(pthread_attr_setstackaddr): New strong alias.
	* sysdeps/mach/hurd/htl/pt-attr-setstacksize.c
	(pthread_attr_setstacksize): Rename to __pthread_attr_setstacksize.
	(pthread_attr_setstacksize): New strong alias.
	* sysdeps/mach/hurd/htl/pt-docancel.c: Include <pthreadP.h>.
	(call_exit): Call __pthread_exit instead of pthread_exit.
	* sysdeps/mach/hurd/htl/pt-mutex-init.c: Include <pthreadP.h>.
	(_pthread_mutex_init): New hidden definition.
	* sysdeps/mach/hurd/htl/pt-sysdep.c: Include <pthreadP.h>.
	(_init_routine): Call __pthread_attr_init and __pthread_attr_setstack
	instead of pthread_attr_init and pthread_attr_setstack.
2018-04-02 18:08:37 +00:00

67 lines
1.7 KiB
C

/* Cancel a thread.
Copyright (C) 2002-2018 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, see
<http://www.gnu.org/licenses/>. */
#include <pthread.h>
#include <pt-internal.h>
#include <pthreadP.h>
static void
call_exit (void)
{
__pthread_exit (0);
}
int
__pthread_do_cancel (struct __pthread *p)
{
mach_port_t ktid;
int me;
assert (p->cancel_pending == 1);
assert (p->cancel_state == PTHREAD_CANCEL_ENABLE);
__pthread_mutex_unlock (&p->cancel_lock);
ktid = __mach_thread_self ();
me = p->kernel_thread == ktid;
__mach_port_deallocate (__mach_task_self (), ktid);
if (me)
call_exit ();
else
{
error_t err;
err = __thread_suspend (p->kernel_thread);
assert_perror (err);
err = __thread_abort (p->kernel_thread);
assert_perror (err);
err = __thread_set_pcsptp (p->kernel_thread,
1, (void *) call_exit, 0, 0, 0, 0);
assert_perror (err);
err = __thread_resume (p->kernel_thread);
assert_perror (err);
}
return 0;
}