67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
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#include "os/c-api/il2cpp-config-platforms.h"
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#if IL2CPP_THREADS_PTHREAD && !RUNTIME_TINY
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#include "os/Posix/MutexImpl.h"
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#include "ConditionVariableImpl.h"
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#include <time.h>
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#include <sys/time.h>
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namespace il2cpp
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{
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namespace os
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{
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ConditionVariableImpl::ConditionVariableImpl()
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{
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pthread_cond_init(&m_ConditionVariable, NULL);
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}
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ConditionVariableImpl::~ConditionVariableImpl()
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{
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pthread_cond_destroy(&m_ConditionVariable);
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}
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int ConditionVariableImpl::Wait(FastMutexImpl* lock)
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{
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return pthread_cond_wait(&m_ConditionVariable, lock->GetOSHandle());
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}
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int ConditionVariableImpl::TimedWait(FastMutexImpl* lock, uint32_t timeout_ms)
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{
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struct timeval tv;
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struct timespec ts;
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int64_t usecs;
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int res;
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if (timeout_ms == (uint32_t)0xFFFFFFFF)
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return pthread_cond_wait(&m_ConditionVariable, lock->GetOSHandle());
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/* ms = 10^-3, us = 10^-6, ns = 10^-9 */
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gettimeofday(&tv, NULL);
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tv.tv_sec += timeout_ms / 1000;
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usecs = tv.tv_usec + ((timeout_ms % 1000) * 1000);
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if (usecs >= 1000000)
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{
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usecs -= 1000000;
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tv.tv_sec++;
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}
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ts.tv_sec = tv.tv_sec;
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ts.tv_nsec = usecs * 1000;
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return pthread_cond_timedwait(&m_ConditionVariable, lock->GetOSHandle(), &ts);
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}
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void ConditionVariableImpl::Broadcast()
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{
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pthread_cond_broadcast(&m_ConditionVariable);
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}
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void ConditionVariableImpl::Signal()
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{
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pthread_cond_signal(&m_ConditionVariable);
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}
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}
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}
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#endif
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