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115 lines
2.8 KiB
PHP
115 lines
2.8 KiB
PHP
--TEST--
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General semaphore and shared memory test
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--SKIPIF--
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<?php // vim600: ts=4 sw=4 syn=php fdm=marker
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if(!extension_loaded('sysvsem') || !extension_loaded('sysvshm')) {
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die("skip Both sysvsem and sysvshm required");
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}
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?>
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--INI--
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magic_quotes_runtime=0
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--FILE--
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<?php
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$MEMSIZE = 512; // size of shared memory to allocate
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$SEMKEY = 1; // Semaphore key
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$SHMKEY = 2; // Shared memory key
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echo "Start.\n";
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// Get semaphore
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$sem_id = sem_get($SEMKEY, 1);
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if ($sem_id === FALSE) {
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echo "Fail to get semaphore";
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exit;
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}
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echo "Got semaphore $sem_id.\n";
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// Accuire semaphore
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if (! sem_acquire($sem_id)) {
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echo "Fail to aquire semaphore $sem_id.\n";
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sem_remove($sem_id);
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exit;
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}
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echo "Success aquire semaphore $sem_id.\n";
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$shm_id = shm_attach($SHMKEY, $MEMSIZE);
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if ($shm_id === FALSE) {
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echo "Fail to attach shared memory.\n";
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sem_remove($sem_id);
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exit;
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}
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echo "Success to attach shared memory : $shm_id.\n";
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// Write variable 1
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if (!shm_put_var($shm_id, 1, "Variable 1")) {
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echo "Fail to put var 1 on shared memory $shm_id.\n";
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sem_remove($sem_id);
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shm_remove ($shm_id);
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exit;
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}
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echo "Write var1 to shared memory.\n";
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// Write variable 2
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if (!shm_put_var($shm_id, 2, "Variable 2")) {
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echo "Fail to put var 2 on shared memory $shm_id.\n";
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sem_remove($sem_id);
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shm_remove ($shm_id);
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exit;
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}
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echo "Write var2 to shared memory.\n";
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// Read variable 1
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$var1 = shm_get_var ($shm_id, 1);
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if ($var1 === FALSE) {
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echo "Fail to retrieve Var 1 from Shared memory $shm_id, return value=$var1.\n";
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} else {
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echo "Read var1=$var1.\n";
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}
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// Read variable 1
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$var2 = shm_get_var ($shm_id, 2);
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if ($var1 === FALSE) {
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echo "Fail to retrieve Var 2 from Shared memory $shm_id, return value=$var2.\n";
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} else {
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echo "Read var2=$var2.\n";
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}
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// Release semaphore
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if (!sem_release($sem_id)) {
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echo "Fail to release $sem_id semaphore.\n";
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} else {
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echo "Semaphore $sem_id released.\n";
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}
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// remove shared memory segmant from SysV
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if (shm_remove ($shm_id)) {
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echo "Shared memory successfully removed from SysV.\n";
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} else {
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echo "Fail to remove $shm_id shared memory from SysV.\n";
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}
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// Remove semaphore
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if (sem_remove($sem_id)) {
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echo "semaphore removed successfully from SysV.\n";
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} else {
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echo "Fail to remove $sem_id semaphore from SysV.\n";
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}
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echo "End.\n";
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/* NOTE: assigned semids differ depending on the kernel, since
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* there are actually 3 semaphores per PHP-created
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* semaphores in effect, to keep state information.
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* That's the reason for EXPECTF.
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*/
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?>
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--EXPECTF--
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Start.
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Got semaphore Resource id #%i.
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Success aquire semaphore Resource id #%i.
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Success to attach shared memory : %i.
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Write var1 to shared memory.
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Write var2 to shared memory.
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Read var1=Variable 1.
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Read var2=Variable 2.
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Semaphore Resource id #%i released.
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Shared memory successfully removed from SysV.
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semaphore removed successfully from SysV.
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End.
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