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70 lines
2.6 KiB
C
70 lines
2.6 KiB
C
/* Internal definitions for pthreads library.
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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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#ifndef _PT_SYSDEP_H
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#define _PT_SYSDEP_H 1
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#include <mach.h>
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/* XXX */
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#define _POSIX_THREAD_THREADS_MAX 64
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/* The default stack size. */
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#define PTHREAD_STACK_DEFAULT (8 * 1024 * 1024)
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#define PTHREAD_SYSDEP_MEMBERS \
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thread_t kernel_thread; \
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mach_msg_header_t wakeupmsg;
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extern __thread struct __pthread *___pthread_self;
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#ifdef DEBUG
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#define _pthread_self() \
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({ \
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struct __pthread *thread; \
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\
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assert (__pthread_threads); \
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thread = ___pthread_self; \
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\
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assert (thread); \
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assert (({ 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 (), ktid);\
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ok; })); \
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thread; \
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})
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#else
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#define _pthread_self() ___pthread_self
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#endif
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extern inline void
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__attribute__ ((__always_inline__))
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__pthread_stack_dealloc (void *stackaddr, size_t stacksize)
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{
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__vm_deallocate (__mach_task_self (), (vm_offset_t) stackaddr, stacksize);
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}
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/* Change thread THREAD's program counter to PC if SET_PC is true,
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its stack pointer to SP if SET_IP is true, and its thread pointer
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to TP if SET_TP is true. */
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extern int __thread_set_pcsptp (thread_t thread,
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int set_pc, void *pc,
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int set_sp, void *sp, int set_tp, void *tp);
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#endif /* pt-sysdep.h */
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