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54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/* Start thread. Mach version.
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Copyright (C) 2000-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <assert.h>
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#include <errno.h>
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#include <mach.h>
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#include <pt-internal.h>
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/* Start THREAD. Get the kernel thread scheduled and running. */
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int
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__pthread_thread_start (struct __pthread *thread)
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{
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static int do_start;
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error_t err;
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if (!do_start)
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{
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/* The main thread is already running: do nothing. */
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assert (__pthread_total == 1);
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assert ((
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{
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mach_port_t ktid = __mach_thread_self ();
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int ok = thread->kernel_thread == ktid;
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__mach_port_deallocate (__mach_task_self (),
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thread->kernel_thread);
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ok;
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}));
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do_start = 1;
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}
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else
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{
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err = __thread_resume (thread->kernel_thread);
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assert_perror (err);
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}
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return 0;
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}
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