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|
/*****************************************************************
|
| Threads Test Program 1
|
| (c) 2001-2012 Gilles Boccon-Gibod
| Author: Gilles Boccon-Gibod (bok@bok.net)
|
****************************************************************/
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Neptune.h"
#if defined(WIN32) && defined(_DEBUG)
#include <crtdbg.h>
#endif
#define CHECK(x) { \
if (!(x)) { \
NPT_Console::OutputF("TEST FAILED line %d\n", __LINE__); \
NPT_ASSERT(0); \
} \
}
/*----------------------------------------------------------------------
| SharedVariableThread
+---------------------------------------------------------------------*/
class SharedVariableThread : public NPT_Thread
{
public:
SharedVariableThread(int ping, int pong, NPT_SharedVariable& shared, float wait) :
m_Ping(ping), m_Pong(pong), m_Shared(shared), m_Transitions(0), m_Wait(wait), m_Stop(false), m_Result(NPT_SUCCESS) {}
void Run() {
for (;;) {
if (m_Stop) return;
NPT_Result result = m_Shared.WaitUntilEquals(m_Ping, 1000);
if (result != NPT_SUCCESS) {
NPT_Console::Output("timeout\n");
m_Result = -1;
return;
}
if (m_Wait != 0.0f) NPT_System::Sleep(m_Wait);
m_Shared.SetValue(m_Pong);
++m_Transitions;
}
}
int m_Ping;
int m_Pong;
NPT_SharedVariable& m_Shared;
unsigned long m_Transitions;
float m_Wait;
volatile bool m_Stop;
NPT_Result m_Result;
};
/*----------------------------------------------------------------------
| TestSharedVariables
+---------------------------------------------------------------------*/
static void
TestSharedVariables()
{
NPT_SharedVariable shared;
SharedVariableThread t0(1, 2, shared, 0);
SharedVariableThread t1(2, 1, shared, 0.001f);
t0.Start();
t1.Start();
shared.SetValue(1);
NPT_Result result = t0.Wait(10000);
t0.m_Stop = true;
t1.m_Stop = true;
t1.Wait();
NPT_Console::OutputF("T0 transitions=%d, result: %d\n", t0.m_Transitions, t0.m_Result);
NPT_Console::OutputF("T1 transitions=%d, result: %d\n", t1.m_Transitions, t1.m_Result);
CHECK(t0.m_Result == NPT_SUCCESS);
CHECK(t1.m_Result == NPT_SUCCESS);
}
/*----------------------------------------------------------------------
| main
+---------------------------------------------------------------------*/
int
main(int argc, char** argv)
{
NPT_COMPILER_UNUSED(argc);
NPT_COMPILER_UNUSED(argv);
#if defined(WIN32) && defined(_DEBUG)
_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF |
_CRTDBG_CHECK_ALWAYS_DF |
_CRTDBG_LEAK_CHECK_DF);
#endif
TestSharedVariables();
NPT_Debug("- program done -\n");
return 0;
}
|
