77 lines
1.1 KiB
C++
77 lines
1.1 KiB
C++
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#if defined(UNIX_ENABLED) || defined(PTHREAD_ENABLED)
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#include "os/memory.h"
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#include "rw_lock_posix.h"
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#include "error_macros.h"
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#include <stdio.h>
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void RWLockPosix::read_lock() {
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int err =pthread_rwlock_rdlock(&rwlock);
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if (err!=0) {
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perror("wtf: ");
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}
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ERR_FAIL_COND(err!=0);
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}
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void RWLockPosix::read_unlock() {
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pthread_rwlock_unlock(&rwlock);
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}
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Error RWLockPosix::read_try_lock() {
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if (pthread_rwlock_tryrdlock(&rwlock)!=0) {
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return ERR_BUSY;
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} else {
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return OK;
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}
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}
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void RWLockPosix::write_lock() {
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int err = pthread_rwlock_wrlock(&rwlock);
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ERR_FAIL_COND(err!=0);
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}
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void RWLockPosix::write_unlock() {
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pthread_rwlock_unlock(&rwlock);
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}
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Error RWLockPosix::write_try_lock() {
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if (pthread_rwlock_trywrlock(&rwlock)!=0) {
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return ERR_BUSY;
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} else {
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return OK;
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}
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}
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RWLock *RWLockPosix::create_func_posix() {
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return memnew( RWLockPosix );
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}
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void RWLockPosix::make_default() {
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create_func=create_func_posix;
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}
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RWLockPosix::RWLockPosix() {
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//rwlock=PTHREAD_RWLOCK_INITIALIZER; fails on OSX
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pthread_rwlock_init(&rwlock,NULL);
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}
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RWLockPosix::~RWLockPosix() {
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pthread_rwlock_destroy(&rwlock);
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}
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#endif
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