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