2018-05-25 18:21:59 +02:00
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/* Threads compatibility routines for libgcc2 and libobjc. */
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/* Compile this one with gcc. */
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/* Copyright (C) 1997-2016 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _GLIBCXX_GCC_GTHR_SINGLE_H
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#define _GLIBCXX_GCC_GTHR_SINGLE_H
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#define __GTHREADS 1
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#define __GTHREADS_CXX0X 1
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2018-05-25 18:35:21 +02:00
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#include <coreinit/atomic.h>
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2018-05-25 18:21:59 +02:00
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#include <coreinit/condition.h>
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#include <coreinit/thread.h>
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#include <coreinit/mutex.h>
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#include <coreinit/baseheap.h>
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#include <coreinit/expandedheap.h>
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#include <string.h>
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#include <sys/errno.h>
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#define _GTHREAD_USE_MUTEX_TIMEDLOCK 0
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typedef OSThread *__gthread_t;
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2018-05-25 18:35:21 +02:00
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typedef volatile uint32_t __gthread_once_t;
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2018-05-25 18:21:59 +02:00
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typedef OSMutex __gthread_mutex_t;
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typedef OSMutex __gthread_recursive_mutex_t;
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typedef OSCondition __gthread_cond_t;
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typedef struct timespec __gthread_time_t;
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// Unimplemented
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typedef void *__gthread_key_t;
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#define __GTHREAD_HAS_COND 1
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2018-05-25 18:35:21 +02:00
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#define __GTHREAD_ONCE_VALUE_INIT (0)
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#define __GTHREAD_ONCE_VALUE_STARTED (1)
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#define __GTHREAD_ONCE_VALUE_DONE (2)
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#define __GTHREAD_ONCE_INIT __GTHREAD_ONCE_VALUE_INIT
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2018-05-25 18:21:59 +02:00
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#define __GTHREAD_MUTEX_INIT_FUNCTION __gthread_mutex_init_function
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#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function
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#define __GTHREAD_COND_INIT_FUNCTION __gthread_cond_init_function
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#define __GTHREAD_TIME_INIT { 0, 0 }
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#define __GTHREAD_STACK_SIZE (4096*1024)
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static inline int
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__gthread_active_p (void)
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{
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return 1;
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}
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static inline void
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__gthread_thread_deallocator(OSThread *thread, void *stack)
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{
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MEMExpandedHeap *heap = (MEMExpandedHeap *)MEMGetBaseHeapHandle(MEM_BASE_HEAP_MEM2);
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MEMFreeToExpHeap(heap, thread);
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MEMFreeToExpHeap(heap, stack);
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}
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static inline int
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__gthread_create (__gthread_t *__threadid, void *(*__func) (void*),
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void *__args)
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{
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MEMExpandedHeap *heap = (MEMExpandedHeap *)MEMGetBaseHeapHandle(MEM_BASE_HEAP_MEM2);
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OSThread *thread = (OSThread *)MEMAllocFromExpHeapEx(heap, sizeof(OSThread), 8);
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char *stack = (char *)MEMAllocFromExpHeapEx(heap, __GTHREAD_STACK_SIZE, 8);
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memset(thread, 0, sizeof(OSThread));
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if (!OSCreateThread(thread,
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(OSThreadEntryPointFn)__func,
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(int)__args,
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NULL,
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stack + __GTHREAD_STACK_SIZE,
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__GTHREAD_STACK_SIZE,
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16,
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OS_THREAD_ATTRIB_AFFINITY_ANY)) {
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MEMFreeToExpHeap((MEMExpandedHeap*)MEMGetBaseHeapHandle(MEM_BASE_HEAP_MEM2), thread);
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return EINVAL;
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}
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*__threadid = thread;
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OSSetThreadDeallocator(thread, &__gthread_thread_deallocator);
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OSResumeThread(thread);
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return 0;
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}
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static inline int
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__gthread_join (__gthread_t __threadid, void **__value_ptr)
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{
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if (!OSJoinThread(__threadid, (int *)__value_ptr)) {
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return EINVAL;
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}
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return 0;
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}
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static inline int
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__gthread_detach (__gthread_t __threadid)
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{
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OSDetachThread(__threadid);
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return 0;
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}
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static inline int
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__gthread_equal (__gthread_t __t1, __gthread_t __t2)
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{
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return __t1 == __t2;
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}
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static inline __gthread_t
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__gthread_self (void)
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{
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return OSGetCurrentThread();
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}
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static inline int
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__gthread_yield (void)
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{
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OSYieldThread();
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return 0;
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}
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static inline int
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__gthread_once (__gthread_once_t *__once, void (*__func) (void))
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{
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2018-05-25 18:35:21 +02:00
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uint32_t value = 0;
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if (OSCompareAndSwapAtomicEx(__once,
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__GTHREAD_ONCE_VALUE_INIT,
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__GTHREAD_ONCE_VALUE_STARTED,
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&value)) {
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__func();
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OSCompareAndSwapAtomic(__once,
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__GTHREAD_ONCE_VALUE_STARTED,
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__GTHREAD_ONCE_VALUE_DONE);
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} else if (value != __GTHREAD_ONCE_VALUE_DONE) {
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while (!OSCompareAndSwapAtomic(__once,
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__GTHREAD_ONCE_VALUE_DONE,
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__GTHREAD_ONCE_VALUE_DONE));
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}
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return 0;
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2018-05-25 18:21:59 +02:00
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}
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static inline int
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__gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *))
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{
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// TODO: Implement __gthread_key_create
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return -1;
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}
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static inline int
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__gthread_key_delete (__gthread_key_t __key)
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{
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// TODO: Implement __gthread_key_delete
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return -1;
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}
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static inline void *
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__gthread_getspecific (__gthread_key_t __key)
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{
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// TODO: Implement __gthread_getspecific
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return NULL;
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}
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static inline int
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__gthread_setspecific (__gthread_key_t __key, const void *__ptr)
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{
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// TODO: Implement __gthread_setspecific
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return -1;
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}
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static inline void
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__gthread_mutex_init_function (__gthread_mutex_t *__mutex)
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{
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OSInitMutex(__mutex);
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}
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static inline int
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__gthread_mutex_destroy (__gthread_mutex_t *__mutex)
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{
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return 0;
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}
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static inline int
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__gthread_mutex_lock (__gthread_mutex_t *__mutex)
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{
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OSLockMutex(__mutex);
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return 0;
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}
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static inline int
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__gthread_mutex_trylock (__gthread_mutex_t *__mutex)
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{
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if (!OSTryLockMutex(__mutex)) {
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return -1;
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}
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return 0;
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}
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static inline int
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__gthread_mutex_unlock (__gthread_mutex_t *__mutex)
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{
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OSUnlockMutex(__mutex);
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return 0;
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}
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static inline int
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__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *__mutex)
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{
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OSInitMutex(__mutex);
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return 0;
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}
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static inline int
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__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex)
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{
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OSLockMutex(__mutex);
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return 0;
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}
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static inline int
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__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex)
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{
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if (!OSTryLockMutex(__mutex)) {
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return -1;
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}
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return 0;
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}
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static inline int
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__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
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{
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OSUnlockMutex(__mutex);
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return 0;
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}
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static inline int
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__gthread_recursive_mutex_destroy (__gthread_recursive_mutex_t *__mutex)
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{
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return 0;
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}
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static inline void
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__gthread_cond_init_function (__gthread_cond_t *__cond)
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{
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OSInitCond(__cond);
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}
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static inline int
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__gthread_cond_broadcast (__gthread_cond_t *__cond)
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{
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OSSignalCond(__cond);
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return 0;
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}
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static inline int
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__gthread_cond_signal (__gthread_cond_t *__cond)
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{
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OSSignalCond(__cond);
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return 0;
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}
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static inline int
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__gthread_cond_wait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex)
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{
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OSWaitCond(__cond, __mutex);
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return 0;
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}
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static inline int
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__gthread_cond_wait_recursive (__gthread_cond_t *__cond,
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__gthread_recursive_mutex_t *__mutex)
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{
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OSWaitCond(__cond, __mutex);
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return 0;
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}
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static inline int
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__gthread_cond_destroy (__gthread_cond_t* __cond)
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{
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return 0;
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}
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#endif /* ! _GLIBCXX_GCC_GTHR_SINGLE_H */
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