1 /* 2 * Copyright (c) 2004, QUALCOMM Inc. All rights reserved. 3 * Created by: abisain REMOVE-THIS AT qualcomm 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 * pthread_attr_setschedparam() 9 10 * 1. Create a pthread_attr object and initialize it 11 * 2. Set the policy and priority in that object 12 * 3. Create a thread with this object 13 * Test SCHED_FIFO 14 */ 15 16 #include <pthread.h> 17 #include <stdio.h> 18 #include <stdlib.h> 19 #include <errno.h> 20 #include "posixtest.h" 21 22 #define TEST "1-1" 23 #define FUNCTION "pthread_attr_setschedparam" 24 #define ERROR_PREFIX "unexpected error: " FUNCTION " " TEST ": " 25 26 #define FIFOPOLICY SCHED_FIFO 27 28 volatile int thread_created = 0; 29 30 void *thread_func() 31 { 32 thread_created = 1; 33 pthread_exit(0); 34 return (void *)(0); 35 } 36 37 int main(void) 38 { 39 pthread_t thread; 40 pthread_attr_t attr; 41 void *status; 42 int rc = 0; 43 int policy = FIFOPOLICY; 44 struct sched_param param; 45 int priority; 46 47 rc = pthread_attr_init(&attr); 48 if (rc != 0) { 49 printf(ERROR_PREFIX "pthread_attr_init\n"); 50 exit(PTS_UNRESOLVED); 51 } 52 53 rc = pthread_attr_setschedpolicy(&attr, policy); 54 if (rc != 0) { 55 printf(ERROR_PREFIX "pthread_attr_setschedpolicy\n"); 56 exit(PTS_FAIL); 57 } 58 59 priority = sched_get_priority_max(policy); 60 if (priority == -1) { 61 printf(ERROR_PREFIX "sched_priority_get_max\n"); 62 exit(PTS_FAIL); 63 } 64 param.sched_priority = priority; 65 rc = pthread_attr_setschedparam(&attr, ¶m); 66 if (rc != 0) { 67 printf(ERROR_PREFIX "pthread_attr_setschedparam\n"); 68 exit(PTS_FAIL); 69 } 70 71 rc = pthread_create(&thread, &attr, thread_func, NULL); 72 if (rc != 0) { 73 if (rc == EPERM) { 74 printf(ERROR_PREFIX 75 "Permission Denied when creating thread with policy %d\n", 76 policy); 77 exit(PTS_UNRESOLVED); 78 } else { 79 printf(ERROR_PREFIX "pthread_create()\n"); 80 exit(PTS_FAIL); 81 } 82 } 83 84 pthread_join(thread, &status); 85 pthread_attr_destroy(&attr); 86 87 if (thread_created == 0) { 88 printf(ERROR_PREFIX "Thread was not created\n"); 89 exit(PTS_FAIL); 90 } 91 92 printf("Test PASSED\n"); 93 exit(PTS_PASS); 94 } 95
