| /* |
| * Copyright (c) 2003, Intel Corporation. All rights reserved. |
| * Created by: majid.awad REMOVE-THIS AT intel DOT com |
| * This file is licensed under the GPL license. For the full content |
| * of this license, see the COPYING file at the top level of this |
| * source tree. |
| */ |
| |
| /* This tests case will open a locked semaphore. The time will tick 5 times |
| * until the absolute time passes. The sempahore will unlock, then the |
| * sem_timedwait call will immediately lock again. |
| */ |
| |
| |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| #include <fcntl.h> |
| #if __linux__ |
| #include <features.h> |
| #endif |
| #include <semaphore.h> |
| #include <stdio.h> |
| #include <strings.h> |
| #include <time.h> |
| #include <unistd.h> |
| #include "posixtest.h" |
| |
| #define TEST "3-1" |
| #define FUNCTION "sem_timedwait" |
| #define ERROR_PREFIX "unexpected error: " FUNCTION " " TEST ": " |
| |
| int main(void) |
| { |
| |
| struct timespec ts; |
| sem_t mysemp; |
| int i = 0; |
| int val; |
| |
| if (sem_init(&mysemp, 0, 0) == -1) { |
| perror(ERROR_PREFIX "sem_init"); |
| return PTS_UNRESOLVED; |
| } |
| |
| ts.tv_sec = time(NULL); |
| ts.tv_nsec = 0; |
| |
| while (sem_timedwait(&mysemp, &ts) == -1) { |
| ts.tv_sec += 1; |
| // printf("%s \n", asctime(localtime(&ts.tv_sec))); |
| i++; |
| // printf("i=%d\n",i); |
| if (i == 5) { |
| sem_post(&mysemp); |
| } |
| } |
| |
| /* Value of Semaphore */ |
| if (sem_getvalue(&mysemp, &val) == -1) { |
| perror(ERROR_PREFIX "sem_getvalue"); |
| return PTS_UNRESOLVED; |
| } |
| |
| /* Checking if the value of the Semaphore after lock & unlock */ |
| if (val == 0) { |
| puts("TEST PASSED: Sem unlocked after 5 timeouts"); |
| sem_destroy(&mysemp); |
| return PTS_PASS; |
| } else { |
| puts("TEST FAILED"); |
| return PTS_FAIL; |
| } |
| } |