1--TEST-- 2General semaphore and shared memory test 3--SKIPIF-- 4<?php // vim600: ts=4 sw=4 syn=php fdm=marker 5if(!extension_loaded('sysvsem') || !extension_loaded('sysvshm')) { 6 die("skip Both sysvsem and sysvshm required"); 7} 8?> 9--FILE-- 10<?php 11$MEMSIZE = 512; // size of shared memory to allocate 12$SEMKEY = ftok(__FILE__, 'P'); // Semaphore key 13$SHMKEY = ftok(__FILE__, 'Q'); // Shared memory key 14 15echo "Start.\n"; 16// Get semaphore 17$sem_id = sem_get($SEMKEY, 1); 18if ($sem_id === FALSE) { 19 echo "Fail to get semaphore"; 20 exit; 21} 22echo "Got semaphore $sem_id.\n"; 23 24// Accuire semaphore 25if (! sem_acquire($sem_id)) { 26 echo "Fail to acquire semaphore $sem_id.\n"; 27 sem_remove($sem_id); 28 exit; 29} 30echo "Success acquire semaphore $sem_id.\n"; 31 32$shm_id = shm_attach($SHMKEY, $MEMSIZE); 33if ($shm_id === FALSE) { 34 echo "Fail to attach shared memory.\n"; 35 sem_remove($sem_id); 36 exit; 37} 38echo "Success to attach shared memory : $shm_id.\n"; 39 40// Write variable 1 41if (!shm_put_var($shm_id, 1, "Variable 1")) { 42 echo "Fail to put var 1 on shared memory $shm_id.\n"; 43 sem_remove($sem_id); 44 shm_remove ($shm_id); 45 exit; 46} 47echo "Write var1 to shared memory.\n"; 48 49// Write variable 2 50if (!shm_put_var($shm_id, 2, "Variable 2")) { 51 echo "Fail to put var 2 on shared memory $shm_id.\n"; 52 sem_remove($sem_id); 53 shm_remove ($shm_id); 54 exit; 55} 56echo "Write var2 to shared memory.\n"; 57 58// Read variable 1 59$var1 = shm_get_var ($shm_id, 1); 60if ($var1 === FALSE) { 61 echo "Fail to retrieve Var 1 from Shared memory $shm_id, return value=$var1.\n"; 62} else { 63 echo "Read var1=$var1.\n"; 64} 65 66// Read variable 1 67$var2 = shm_get_var ($shm_id, 2); 68if ($var1 === FALSE) { 69 echo "Fail to retrieve Var 2 from Shared memory $shm_id, return value=$var2.\n"; 70} else { 71 echo "Read var2=$var2.\n"; 72} 73// Release semaphore 74if (!sem_release($sem_id)) { 75 echo "Fail to release $sem_id semaphore.\n"; 76} else { 77 echo "Semaphore $sem_id released.\n"; 78} 79 80// remove shared memory segmant from SysV 81if (shm_remove ($shm_id)) { 82 echo "Shared memory successfully removed from SysV.\n"; 83} else { 84 echo "Fail to remove $shm_id shared memory from SysV.\n"; 85} 86 87// Remove semaphore 88if (sem_remove($sem_id)) { 89 echo "semaphore removed successfully from SysV.\n"; 90} else { 91 echo "Fail to remove $sem_id semaphore from SysV.\n"; 92} 93echo "End.\n"; 94/* NOTE: assigned semids differ depending on the kernel, since 95 * there are actually 3 semaphores per PHP-created 96 * semaphores in effect, to keep state information. 97 * That's the reason for EXPECTF. 98 */ 99?> 100--EXPECTF-- 101Start. 102Got semaphore Resource id #%i. 103Success acquire semaphore Resource id #%i. 104Success to attach shared memory : %s. 105Write var1 to shared memory. 106Write var2 to shared memory. 107Read var1=Variable 1. 108Read var2=Variable 2. 109Semaphore Resource id #%s released. 110Shared memory successfully removed from SysV. 111semaphore removed successfully from SysV. 112End. 113
