libgfaipc/main.c

// main.c
//
#ifdef _WIN32
#define _CRT_SECURE_NO_WARNINGS
#include <windows.h>
#include "../Win32/w32def.h"
#define sleep(sec)				Sleep(sec * 1000)
#endif	//	_WIN32

#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ipc.h>
#include <fcntl.h>
#include "src/defines.h"
#include "src/gfaipc.h"

#define _UNUSED(v)				v = v

typedef struct _TESTSTRUCT1
{
	int nCounter1;
	int nCounter2;
}TESTSTRUCT1, *LPTESTSTRUCT1;
typedef const TESTSTRUCT1 *LPCTESTSTRUCT1;

typedef struct _TESTSTRUCT2
{
	int nCounter1;
	int nCounter2;
}TESTSTRUCT2, *LPTESTSTRUCT2;
typedef const TESTSTRUCT2 *LPCTESTSTRUCT2;

#define _UUID_TESTSTRUCT1			"8c2e723a-5556-4d90-b5ed-bba8575b6f28"
#define _UUID_TESTSTRUCT2			"8d961df7-96c4-45cd-8dd7-346227782ac0"


int main(int argc, char *argv[])
{
	HSHM hShm1, hShm2;
	LPTESTSTRUCT1 p1 = NULL;
	LPTESTSTRUCT2 p2 = NULL;

	_UNUSED(argc);
	_UNUSED(argv);

//	GfaIpcDumpSHMROT();

	hShm1 = GfaIpcAcquireSHM(_UUID_TESTSTRUCT1, sizeof(TESTSTRUCT1), 1, "Teststruct 1");
	TRACE("Acquired SHM.\n");
	p1 = (LPTESTSTRUCT1)GfaIpcAcquirePointer(hShm1);
	TRACE("Acquired Pointer.\n");
//	GfaIpcDumpSHMROT();
	GfaIpcLockSHM(hShm1);
	GfaIpcLockSHM(hShm1);
	TRACE("Acquired Lock.\n");
	sleep(10);
//	hShm2 = GfaIpcAcquireSHM(_UUID_TESTSTRUCT1, sizeof(TESTSTRUCT1), 1, "Teststruct 1");
//	GfaIpcDumpSHMROT();

#if 0
	if(hShm1 && hShm2)
	{
		p1 = (LPTESTSTRUCT1)GfaIpcAcquirePointer(hShm1);
		TRACE("Get pointer: %p\n", p1);
		p2 = (LPTESTSTRUCT2)GfaIpcAcquirePointer(hShm2);
		TRACE("Get pointer: %p\n", p2);

		TRACE("p1C1: %d, p1C2: %d\n", p1->nCounter1, p1->nCounter2);
		TRACE("p2C1: %d, p2C2: %d\n", p2->nCounter1, p2->nCounter2);

		GfaIpcLockSHM(hShm1);
		p1->nCounter1++;
		p1->nCounter2--;
		GfaIpcUnlockSHM(hShm1);
		TRACE("p1C1: %d, p1C2: %d\n", p1->nCounter1, p1->nCounter2);
		TRACE("p2C1: %d, p2C2: %d\n", p2->nCounter1, p2->nCounter2);

		GfaIpcLockSHM(hShm2);
		p2->nCounter1--;
		p2->nCounter2++;
		GfaIpcUnlockSHM(hShm2);
		TRACE("p1C1: %d, p1C2: %d\n", p1->nCounter1, p1->nCounter2);
		TRACE("p2C1: %d, p2C2: %d\n", p2->nCounter1, p2->nCounter2);

		GfaIpcReleasePointer(hShm1, p1);
		GfaIpcReleasePointer(hShm2, p2);

		GfaIpcReleaseSHM(hShm1);
		GfaIpcReleaseSHM(hShm2);
	}
#endif

	//uuid_t uuid;
	//_uuid_parse("8c2e723a-5556-4d90-b5ed-bba8575b6f28", &uuid);

	TRACE("Exit.\n");
	return 0;
}