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 nanosleep() on a variety of valid and invalid input parameters. 9 * 10 * For valid parameters, if the seconds spent is within OKSECERR, the 11 * test is considered a pass (Note: This is not too accurate since 12 * accuracy is at the second level.). 13 * 14 * For invalid parameters, nanosleep should fail with -1 exit and 15 * errno set to EINVAL. 16 */ 17 #include <stdio.h> 18 #include <time.h> 19 #include <errno.h> 20 #include "posixtest.h" 21 22 #define NUMVALID 6 23 #define NUMINVALID 7 24 25 #define OKSECERR 1 26 27 /* 28 * Copyright (c) 2002, Intel Corporation. All rights reserved. 29 * Created by: julie.n.fleischer REMOVE-THIS AT intel DOT com 30 * This file is licensed under the GPL license. For the full content 31 * of this license, see the COPYING file at the top level of this 32 * source tree. 33 34 * input tests 35 */ 36 static int sleepvalid[NUMVALID][2] = { {0, 30000000}, {1, 0}, 37 {1, 30000000}, {2, 0}, 38 {10, 5000}, {13, 5} 39 }; 40 static int sleepinvalid[NUMINVALID][2] = { {-1, -1}, {0, -1}, 41 {1, 1000000000}, {2, 1000000000}, 42 {-2147483647, -2147483647}, 43 {1, 2147483647}, 44 {0, 1075002478} 45 }; 46 47 int main(void) 48 { 49 struct timespec tssleepfor, tsstorage, tsbefore, tsafter; 50 int i; 51 int failure = 0; 52 int slepts = 0, sleptns = 0; 53 54 for (i = 0; i < NUMVALID; i++) { 55 tssleepfor.tv_sec = sleepvalid[i][0]; 56 tssleepfor.tv_nsec = sleepvalid[i][1]; 57 printf("sleep %d sec %d nsec\n", 58 (int)tssleepfor.tv_sec, (int)tssleepfor.tv_nsec); 59 if (clock_gettime(CLOCK_REALTIME, &tsbefore) == -1) { 60 perror("Error in clock_gettime()\n"); 61 return PTS_UNRESOLVED; 62 } 63 64 if (nanosleep(&tssleepfor, &tsstorage) == 0) { 65 if (clock_gettime(CLOCK_REALTIME, &tsafter) == -1) { 66 perror("Error in clock_gettime()\n"); 67 return PTS_UNRESOLVED; 68 } 69 /* 70 * Generic alg for calculating slept time. 71 */ 72 slepts = tsafter.tv_sec - tsbefore.tv_sec; 73 sleptns = tsafter.tv_nsec - tsbefore.tv_nsec; 74 if (sleptns < 0) { 75 sleptns = sleptns + 1000000000; 76 slepts = slepts - 1; 77 } 78 79 if ((slepts - tssleepfor.tv_sec) > OKSECERR) { 80 printf("FAIL - slept %ds%dns >> %lds%ldns\n", 81 slepts, sleptns, 82 tssleepfor.tv_sec, tssleepfor.tv_nsec); 83 failure = 1; 84 } else { 85 printf("PASS - slept %ds%dns ~= %lds%ldns\n", 86 slepts, sleptns, 87 tssleepfor.tv_sec, tssleepfor.tv_nsec); 88 } 89 } else { 90 printf("nanosleep() did not return 0 on success\n"); 91 failure = 1; 92 } 93 } 94 95 for (i = 0; i < NUMINVALID; i++) { 96 tssleepfor.tv_sec = sleepinvalid[i][0]; 97 tssleepfor.tv_nsec = sleepinvalid[i][1]; 98 printf("sleep %d sec %d nsec\n", 99 (int)tssleepfor.tv_sec, (int)tssleepfor.tv_nsec); 100 if (nanosleep(&tssleepfor, &tsstorage) == -1) { 101 if (EINVAL != errno) { 102 printf("errno != EINVAL\n"); 103 failure = 1; 104 } 105 } else { 106 printf("nanosleep() did not return -1 on failure\n"); 107 failure = 1; 108 } 109 } 110 111 if (failure) { 112 printf("At least one test FAILED\n"); 113 return PTS_FAIL; 114 } else { 115 printf("All tests PASSED\n"); 116 return PTS_PASS; 117 } 118 return PTS_PASS; 119 } 120
