glibc/htl/cthreads-compat.c
Samuel Thibault 33574c17ee hurd: Add hurd thread library
Contributed by

Agustina Arzille <avarzille@riseup.net>
Amos Jeffries <squid3@treenet.co.nz>
David Michael <fedora.dm0@gmail.com>
Marco Gerards <marco@gnu.org>
Marcus Brinkmann <marcus@gnu.org>
Neal H. Walfield <neal@gnu.org>
Pino Toscano <toscano.pino@tiscali.it>
Richard Braun <rbraun@sceen.net>
Roland McGrath <roland@gnu.org>
Samuel Thibault <samuel.thibault@ens-lyon.org>
Thomas DiModica <ricinwich@yahoo.com>
Thomas Schwinge <tschwinge@gnu.org>

	* htl: New directory.
	* sysdeps/htl: New directory.
	* sysdeps/hurd/htl: New directory.
	* sysdeps/i386/htl: New directory.
	* sysdeps/mach/htl: New directory.
	* sysdeps/mach/hurd/htl: New directory.
	* sysdeps/mach/hurd/i386/htl: New directory.
	* nscd/Depend, resolv/Depend, rt/Depend: Add htl dependency.
	* sysdeps/mach/hurd/i386/Implies: Add mach/hurd/i386/htl imply.
	* sysdeps/mach/hurd/i386/libpthread.abilist: New file.
2018-04-02 01:44:14 +02:00

102 lines
2.3 KiB
C

/* Compatibility routines for cthreads.
Copyright (C) 2000-2018 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, see <http://www.gnu.org/licenses/>. */
#include <assert.h>
#include <pthreadP.h>
#define CTHREAD_KEY_INVALID (__cthread_key_t) -1
void
__cthread_detach (__cthread_t thread)
{
int err;
err = pthread_detach ((pthread_t) thread);
assert_perror (err);
}
weak_alias (__cthread_detach, cthread_detach)
__cthread_t
__cthread_fork (__cthread_fn_t func, void *arg)
{
pthread_t thread;
int err;
err = pthread_create (&thread, NULL, func, arg);
assert_perror (err);
return (__cthread_t) thread;
}
weak_alias (__cthread_fork, cthread_fork)
int
__cthread_keycreate (__cthread_key_t *key)
{
error_t err;
err = pthread_key_create (key, 0);
if (err)
{
errno = err;
*key = CTHREAD_KEY_INVALID;
err = -1;
}
return err;
}
weak_alias (__cthread_keycreate, cthread_keycreate)
int
__cthread_getspecific (__cthread_key_t key, void **val)
{
*val = pthread_getspecific (key);
return 0;
}
weak_alias (__cthread_getspecific, cthread_getspecific)
int
__cthread_setspecific (__cthread_key_t key, void *val)
{
error_t err;
err = pthread_setspecific (key, (const void *) val);
if (err)
{
errno = err;
err = -1;
}
return err;
}
weak_alias (__cthread_setspecific, cthread_setspecific)
void
__mutex_lock_solid (void *lock)
{
__pthread_mutex_lock (lock);
}
void
__mutex_unlock_solid (void *lock)
{
if (__pthread_spin_trylock (lock) != 0)
/* Somebody already got the lock, that one will manage waking up others */
return;
__pthread_mutex_unlock (lock);
}