int main(VOID) {
HMUX hmuxHandAny = NULLHANDLE; /* Muxwaithandle */
HEV hev[5] = {0}; /* Event semaphores */
SEMRECORD apsr[5] = {{0}}; /* Semaphore records */
APIRET rc = NO_ERROR; /* Return code */
ULONG ulLoop = 0; /* Loop count */
ULONG ulSem = 0;
for (ulLoop = 0; ulLoop < 5; ulLoop++) {
rc = DosCreateEventSem((PSZ) NULL,
&hev[ulLoop],
0,
FALSE);
if (rc != NO_ERROR) {
printf("DosCreateEventSem error: return code = %u\n", rc);
return 1;
}
apsr[ulLoop].hsemCur = (HSEM) hev[ulLoop],
apsr[ulLoop].ulUser = 0;
} /* endfor */
rc = DosCreateMuxWaitSem((PSZ) NULL,
&hmuxHandAny,
5L, /* Number of semaphores in list */
apsr, /* Semaphore list */
DCMW_WAIT_ANY); /* Wait for any semaphore */
if (rc != NO_ERROR) {
printf("DosCreateMuxWaitSem error: return code = %u\n", rc);
return 1;
}
rc = DosWaitMuxWaitSem(hmuxHandAny,
SEM_IMMEDIATE_RETURN,
&ulSem); /* No semaphores have been posted, so
we should see a timeout below... */
if (rc != ERROR_TIMEOUT) {
printf("DosWaitMuxWaitSem error: return code = %u\n", rc);
return 1;
}
rc = DosDeleteMuxWaitSem(hmuxHandAny, apsr[0].hsemCur);
if (rc != NO_ERROR) {
printf("DosDeleteMuxWaitSem error: return code = %u\n", rc);
return 1;
}
rc = DosCloseMuxWaitSem(hmuxHandAny);
if (rc != NO_ERROR) {
printf("DosCloseMuxWaitSem error: return code = %u\n", rc);
return 1;
}
return NO_ERROR;
}
BOOL OMuxWaitSem::delSemaphore(HSEM handle)
{
muxwaitState = DosDeleteMuxWaitSem(hmux, handle);
return(muxwaitState == 0);
}