1 /* 2 * Copyright (c) 2002, Intel Corporation. All rights reserved. 3 * Created by: julie.n.fleischer REMOVE-THIS AT intel DOT com 4 * This file is licensed under the GPL license. For the full content 5 * of this license, see the COPYING file at the top level of this 6 * source tree. 7 8 * Test that timer_create() sets errno to EAGAIN if the system doesn't 9 * have enough queuing resources to honor this request or the creation 10 * of the timer would exceed the allowable timers that the calling process 11 * can create. 12 * 13 * Finding the true limits of the system would be a stress test, so this 14 * test will make a best attempt by going up to TIMER_MAX. If this 15 * does not work, test will output PASS and say that results were 16 * inconclusive. 17 * 18 * For this test, signal SIGALRM will be used, clock CLOCK_REALTIME 19 * will be used. 20 */ 21 22 #include <time.h> 23 #include <signal.h> 24 #include <stdio.h> 25 #include <errno.h> 26 #include <limits.h> 27 #include "posixtest.h" 28 29 int main(void) 30 { 31 #ifdef TIMER_MAX 32 struct sigevent ev; 33 timer_t tid; 34 int i; 35 36 ev.sigev_notify = SIGEV_SIGNAL; 37 ev.sigev_signo = SIGALRM; 38 39 for (i = 0; i < TIMER_MAX + 1; i++) { 40 if (timer_create(CLOCK_REALTIME, &ev, &tid) == -1) { 41 printf("Stopped after %d timers.\n", i); 42 if (EAGAIN == errno) { 43 printf("Test PASSED\n"); 44 return PTS_PASS; 45 } else { 46 printf("errno != EAGAIN\n"); 47 printf("Test FAILED\n"); 48 return PTS_FAIL; 49 } 50 } 51 52 } 53 54 printf("timer_create() with > TIMER_MAX timers created\n"); 55 printf("Test INCONCLUSIVE - mark as PASS\n"); 56 return PTS_PASS; 57 #else 58 return PTS_PASS; 59 #endif 60 } 61
