1 /* 2 * Copyright (c) 2004, Intel Corporation. All rights reserved. 3 * This file is licensed under the GPL license. For the full content 4 * of this license, see the COPYING file at the top level of this 5 * source tree. 6 * adam.li (at) intel.com 7 * 8 * The pthread_getschedparam() function shall retrieve the scheduling 9 * policy and scheduling parameters for the thread whose thread ID is 10 * given by thread and shall store those values in 11 * policy and param, respectively. The priority value returned from 12 * pthread_getschedparam() shall be 13 * the value specified by the most recent pthread_setschedparam(), 14 * pthread_setschedprio(), or pthread_create() call affecting the 15 * target thread. It shall not reflect any temporary adjustments to 16 * its priority as a result of any priority inheritance or ceiling functions. 17 * 18 */ 19 20 /* Set the sched parameter with pthread_setschedparam then get */ 21 #include <pthread.h> 22 #include <stdio.h> 23 #include <stdlib.h> 24 #include <string.h> 25 #include "posixtest.h" 26 27 #define ERR_MSG(f, rc) printf("Failed: func %s rc: %s (%u)\n", \ 28 f, strerror(rc), rc) 29 30 void *thread_func(void) 31 { 32 struct sched_param sparam; 33 int policy, priority, policy_1; 34 int rc; 35 36 policy = SCHED_FIFO; 37 priority = sched_get_priority_min(policy); 38 sparam.sched_priority = priority; 39 40 rc = pthread_setschedparam(pthread_self(), policy, &sparam); 41 if (rc) { 42 ERR_MSG("pthread_setschedparam()", rc); 43 exit(PTS_UNRESOLVED); 44 } 45 rc = pthread_getschedparam(pthread_self(), &policy_1, &sparam); 46 if (rc != 0) { 47 ERR_MSG("pthread_getschedparam()", rc); 48 exit(PTS_FAIL); 49 } 50 51 if (policy_1 != policy) { 52 printf("Failed: policys: %u != %u\n", policy_1, policy); 53 exit(PTS_FAIL); 54 } 55 56 if (sparam.sched_priority != priority) { 57 printf("Failed: priorities: %u != %u\n", 58 sparam.sched_priority, priority); 59 exit(PTS_FAIL); 60 } 61 62 return NULL; 63 } 64 65 int main(void) 66 { 67 pthread_t new_th; 68 int rc; 69 70 rc = pthread_create(&new_th, NULL, thread_func, NULL); 71 if (rc) { 72 ERR_MSG("pthread_create()", rc); 73 return PTS_UNRESOLVED; 74 } 75 76 pthread_join(new_th, NULL); 77 printf("Test PASSED\n"); 78 return PTS_PASS; 79 } 80
