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/* System dependent pthreads code. Hurd version.
Copyright (C) 2000, 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 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,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <assert.h>
#include <stddef.h>
#include <stdint.h>
#include <pt-internal.h>
int
sched_yield (void)
{
#ifdef USE_L4
l4_yield ();
#else
# warning Not ported to this platform.
#endif
return 0;
}
/* Forward. */
static void init_routine (void (*) (void *), void *)
__attribute__ ((noreturn));
/* OK, the name of this variable isn't really appropriate, but I don't
want to change it yet. */
void (*_pthread_init_routine)(void (*) (void *), void *) = &init_routine;
/* This function is called from the Hurd-specific startup code. It
should return a new stack pointer for the main thread. The caller
will switch to this new stack before doing anything serious. */
static void
init_routine (void (*entry) (void *), void *arg)
{
/* Initialize the library. */
__pthread_initialize ();
struct __pthread *thread;
int err;
/* Create the pthread structure for the main thread (i.e. us). */
err = __pthread_create_internal (&thread, 0,
(void *(*)(void *)) entry, arg);
assert_perror (err);
/* Switch stacks. */
#ifdef USE_L4
l4_start_sp_ip (l4_myself (), thread->mcontext.sp,
thread->mcontext.pc);
#else
# warning Not ported to this platform.
assert (0);
#endif
}
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