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weird #ifdef pattern, reorganized and cleaned it up. easier to understand now.

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This commit is contained in:
Arthur Ice 2013-05-21 00:25:12 -07:00
parent a7084b4d6c
commit cdc7b2a000
1 changed files with 123 additions and 128 deletions
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99
common/Condition.cpp
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@ -20,17 +20,9 @@
#include "Condition.h"
#ifdef _WINDOWS
#else
#include <pthread.h>
#include <sys/time.h>
#include <errno.h>
#endif
#ifdef _WINDOWS
Condition::Condition()
{
Condition::Condition()
{
m_events[SignalEvent] = CreateEvent (nullptr, // security
FALSE, // is auto-reset event?
FALSE, // is signaled initially?
@ -41,33 +33,33 @@ Condition::Condition()
nullptr); // name
m_waiters = 0;
InitializeCriticalSection(&CSMutex);
}
}
Condition::~Condition()
{
Condition::~Condition()
{
DeleteCriticalSection(&CSMutex);
CloseHandle(m_events[SignalEvent]);
CloseHandle(m_events[BroadcastEvent]);
}
}
void Condition::Signal()
{
void Condition::Signal()
{
EnterCriticalSection(&CSMutex);
if(m_waiters > 0)
SetEvent(m_events[SignalEvent]);
LeaveCriticalSection(&CSMutex);
}
}
void Condition::SignalAll()
{
void Condition::SignalAll()
{
EnterCriticalSection(&CSMutex);
if(m_waiters > 0)
SetEvent(m_events[BroadcastEvent]);
LeaveCriticalSection(&CSMutex);
}
}
void Condition::Wait()
{
void Condition::Wait()
{
EnterCriticalSection(&CSMutex);
m_waiters++;
@ -85,49 +77,51 @@ void Condition::Wait()
ResetEvent(m_events[BroadcastEvent]);
LeaveCriticalSection(&CSMutex);
}
}
#else
#include <pthread.h>
#include <sys/time.h>
#include <errno.h>
#else //!WIN32
Condition::Condition()
{
Condition::Condition()
{
pthread_cond_init(&cond,nullptr);
pthread_mutex_init(&mutex,nullptr);
}
}
void Condition::Signal()
{
void Condition::Signal()
{
pthread_mutex_lock(&mutex);
pthread_cond_signal(&cond);
pthread_mutex_unlock(&mutex);
}
}
void Condition::SignalAll()
{
void Condition::SignalAll()
{
pthread_mutex_lock(&mutex);
pthread_cond_broadcast(&cond);
pthread_mutex_unlock(&mutex);
}
}
void Condition::Wait()
{
void Condition::Wait()
{
pthread_mutex_lock(&mutex);
pthread_cond_wait(&cond,&mutex);
pthread_mutex_unlock(&mutex);
}
}
/*
I commented this specifically because I think it might be very
difficult to write a windows counterpart to it, so I would like
to discourage its use until we can confirm that it can be reasonably
implemented on windows.
/*
I commented this specifically because I think it might be very
difficult to write a windows counterpart to it, so I would like
to discourage its use until we can confirm that it can be reasonably
implemented on windows.
bool Condition::TimedWait(unsigned long usec)
{
struct timeval now;
struct timespec timeout;
int retcode=0;
bool Condition::TimedWait(unsigned long usec)
{
struct timeval now;
struct timespec timeout;
int retcode=0;
pthread_mutex_lock(&mutex);
gettimeofday(&now,nullptr);
now.tv_usec+=usec;
@ -139,15 +133,16 @@ int retcode=0;
pthread_mutex_unlock(&mutex);
return retcode!=ETIMEDOUT;
}
*/
}
*/
Condition::~Condition()
{
Condition::~Condition()
{
pthread_mutex_lock(&mutex);
pthread_cond_destroy(&cond);
pthread_mutex_unlock(&mutex);
pthread_mutex_destroy(&mutex);
}
}
#endif