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#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
#include "Events.h"
cEvents::cEvents( unsigned int a_NumEvents /* = 1 */ )
: m_NumEvents( a_NumEvents )
#ifndef _WIN32
, m_bNamed( false )
#endif
{
if( m_NumEvents < 1 ) m_NumEvents = 1;
#ifdef _WIN32
m_Handle = new HANDLE[ m_NumEvents ];
for( unsigned int i = 0; i < m_NumEvents; i++)
{
((HANDLE*)m_Handle)[i] = CreateEvent( 0, FALSE, FALSE, 0 );
}
#else
m_Handle = new sem_t*[ m_NumEvents ];
for( unsigned int i = 0; i < m_NumEvents; i++)
{
sem_t* & HandlePtr = ((sem_t**)m_Handle)[i];
HandlePtr = new sem_t;
if( sem_init( HandlePtr, 0, 0 ) )
{
LOG("WARNING cEvents: Could not create unnamed semaphore, fallback to named.");
m_bNamed = true;
delete HandlePtr; // named semaphores return their own address
char c_Str[32];
sprintf( c_Str, "cEvents%p", &HandlePtr );
HandlePtr = sem_open( c_Str, O_CREAT, 777, 0 );
if( HandlePtr == SEM_FAILED )
LOG("ERROR: Could not create Event. (%i)", errno);
else
if( sem_unlink( c_Str ) != 0 )
LOG("ERROR: Could not unlink cEvents. (%i)", errno);
}
}
#endif
}
cEvents::~cEvents()
{
#ifdef _WIN32
for( unsigned int i = 0; i < m_NumEvents; i++ )
{
CloseHandle( ((HANDLE*)m_Handle)[i] );
}
delete [] (HANDLE*)m_Handle;
#else
for( unsigned int i = 0; i < m_NumEvents; i++ )
{
if( m_bNamed )
{
sem_t* & HandlePtr = ((sem_t**)m_Handle)[i];
char c_Str[32];
sprintf( c_Str, "cEvents%p", &HandlePtr );
// LOG("Closing event: %s", c_Str );
// LOG("Sem ptr: %p", HandlePtr );
if( sem_close( HandlePtr ) != 0 )
{
LOG("ERROR: Could not close cEvents. (%i)", errno);
}
}
else
{
sem_destroy( ((sem_t**)m_Handle)[i] );
delete ((sem_t**)m_Handle)[i];
}
}
delete [] (sem_t**)m_Handle; m_Handle = 0;
#endif
}
void cEvents::Wait()
{
#ifdef _WIN32
WaitForMultipleObjects( m_NumEvents, (HANDLE*)m_Handle, true, INFINITE );
#else
for(unsigned int i = 0; i < m_NumEvents; i++)
{
if( sem_wait( ((sem_t**)m_Handle)[i] ) != 0 )
{
LOG("ERROR: Could not wait for cEvents. (%i)", errno);
}
}
#endif
}
void cEvents::Set(unsigned int a_EventNum /* = 0 */)
{
#ifdef _WIN32
SetEvent( ((HANDLE*)m_Handle)[a_EventNum] );
#else
if( sem_post( ((sem_t**)m_Handle)[a_EventNum] ) != 0 )
{
LOG("ERROR: Could not set cEvents. (%i)", errno);
}
#endif
}
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