1 /* 2 * Copyright (c) 2002, 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 * 7 * Test pthread_spin_init(pthread_spinlock_t * lock, int pshared) 8 * 9 * pthread_spin_init() shall allocate any resources required to use 10 * the spin lock referenced by 'lock' and initialize the lock to an 11 * unlocked state. 12 * 13 * Steps: 14 * 1. Initialize a pthread_spinlock_t object 'spinlock' with 15 * pthread_spin_init() 16 * 2. Main thread lock 'spinlock', should get the lock 17 * 3. Main thread unlock 'spinlock' 18 * 4. Main thread destroy the 'spinlock' 19 */ 20 21 #define _XOPEN_SOURCE 600 22 23 #include <pthread.h> 24 #include <stdio.h> 25 #include <stdlib.h> 26 #include <unistd.h> 27 #include <signal.h> 28 #include "posixtest.h" 29 30 static pthread_spinlock_t spinlock; 31 32 int main(void) 33 { 34 int rc = 0; 35 int pshared; 36 37 #ifdef PTHREAD_PROCESS_PRIVATE 38 pshared = PTHREAD_PROCESS_PRIVATE; 39 #else 40 pshared = -1; 41 #endif 42 43 rc = pthread_spin_init(&spinlock, pshared); 44 if (rc != 0) { 45 printf("Test FAILED: Error at pthread_spin_init(): %d\n", rc); 46 return PTS_FAIL; 47 } 48 49 printf("main: attempt spin lock\n"); 50 51 /* We should get the lock */ 52 if (pthread_spin_lock(&spinlock) != 0) { 53 perror 54 ("Error: main cannot get spin lock when no one owns the lock\n"); 55 return PTS_UNRESOLVED; 56 } 57 58 printf("main: acquired spin lock\n"); 59 60 if (pthread_spin_unlock(&spinlock) != 0) { 61 perror("main: Error at pthread_spin_unlock()\n"); 62 return PTS_UNRESOLVED; 63 } 64 65 rc = pthread_spin_destroy(&spinlock); 66 if (rc != 0) { 67 printf("Error at pthread_spin_destroy(): %d\n", rc); 68 return PTS_UNRESOLVED; 69 } 70 71 printf("Test PASSED\n"); 72 return PTS_PASS; 73 } 74
