#include #include int TestSynchEvent(int argc, char* argv[]) { HANDLE event; int i; if (ResetEvent(NULL)) { printf("ResetEvent(NULL) unexpectedly succeeded\n"); return -1; } if (SetEvent(NULL)) { printf("SetEvent(NULL) unexpectedly succeeded\n"); return -1; } event = CreateEvent(NULL, TRUE, TRUE, NULL); if (!event) { printf("CreateEvent failure\n"); return -1; } if (WaitForSingleObject(event, INFINITE) != WAIT_OBJECT_0) { printf("WaitForSingleObject failure 1\n"); return -1; } if (!ResetEvent(event)) { printf("ResetEvent failure with signaled event object\n"); return -1; } if (WaitForSingleObject(event, 0) != WAIT_TIMEOUT) { printf("WaitForSingleObject failure 2\n"); return -1; } if (!ResetEvent(event)) { /* Note: ResetEvent must also succeed if event is currently nonsignaled */ printf("ResetEvent failure with nonsignaled event object\n"); return -1; } if (!SetEvent(event)) { printf("SetEvent failure with nonsignaled event object\n"); return -1; } if (WaitForSingleObject(event, 0) != WAIT_OBJECT_0) { printf("WaitForSingleObject failure 3\n"); return -1; } for (i = 0; i < 10000; i++) { if (!SetEvent(event)) { printf("SetEvent failure with signaled event object (i = %d)\n", i); return -1; } } if (!ResetEvent(event)) { printf("ResetEvent failure after multiple SetEvent calls\n"); return -1; } /* Independent of the amount of the previous SetEvent calls, a single ResetEvent must be sufficient to get into nonsignaled state */ if (WaitForSingleObject(event, 0) != WAIT_TIMEOUT) { printf("WaitForSingleObject failure 4\n"); return -1; } CloseHandle(event); return 0; }