?? priority1.c
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/* * File: priority1.c * * Test Synopsis: * - Test thread priority explicit setting using thread attribute. * * Test Method (Validation or Falsification): * - * * Requirements Tested: * - * * Features Tested: * - * * Cases Tested: * - * * Description: * - * * Environment: * - * * Input: * - None. * * Output: * - File name, Line number, and failed expression on failure. * - No output on success. * * Assumptions: * - * * Pass Criteria: * - Process returns zero exit status. * * Fail Criteria: * - Process returns non-zero exit status. */#include "test.h"void * func(void * arg){ int policy; struct sched_param param; assert(pthread_getschedparam(pthread_self(), &policy, ¶m) == 0); assert(policy == SCHED_OTHER); return (void *) param.sched_priority;} intmain(){ pthread_t t; pthread_attr_t attr; void * result = NULL; struct sched_param param; int maxPrio = sched_get_priority_max(SCHED_OTHER); int minPrio = sched_get_priority_min(SCHED_OTHER); assert(pthread_attr_init(&attr) == 0); assert(pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED) == 0); for (param.sched_priority = minPrio; param.sched_priority <= maxPrio; param.sched_priority++) { assert(pthread_attr_setschedparam(&attr, ¶m) == 0); assert(pthread_create(&t, &attr, func, NULL) == 0); pthread_join(t, &result); assert((int) result == param.sched_priority); } return 0;}
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