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/* Start thread. Mach version.
Copyright (C) 2000-2020 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
<https://www.gnu.org/licenses/>. */
#include <assert.h>
#include <errno.h>
#include <mach.h>
#include <pt-internal.h>
/* Start THREAD. Get the kernel thread scheduled and running. */
int
__pthread_thread_start (struct __pthread *thread)
{
static int do_start;
error_t err;
if (!do_start)
{
/* The main thread is already running: do nothing. */
assert (__pthread_total == 1);
assert ((
{
mach_port_t ktid = __mach_thread_self ();
int ok = thread->kernel_thread == ktid;
__mach_port_deallocate (__mach_task_self (),
thread->kernel_thread);
ok;
}));
do_start = 1;
}
else
{
err = __thread_resume (thread->kernel_thread);
assert_perror (err);
}
return 0;
}
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