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Add test for both sysvsem and sysvshm
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Melvyn Sopacua
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Nov 4, 2002
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--TEST-- | ||
General semaphore and shared memory test | ||
--SKIP-- | ||
<?php // vim600: ts=4 sw=4 syn=php fdm=marker | ||
if(!extension_loaded('sysvsem') || !extension_loaded('sysvshm')) { | ||
die("skip Both sysvsem and sysvshm required"); | ||
} | ||
?> | ||
--INI-- | ||
magic_quotes_runtime=0 | ||
--FILE-- | ||
<?php | ||
$MEMSIZE = 512; // size of shared memory to allocate | ||
$SEMKEY = 1; // Semaphore key | ||
$SHMKEY = 2; // Shared memory key | ||
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||
echo "Start.\n"; | ||
// Get semaphore | ||
$sem_id = sem_get($SEMKEY, 1); | ||
if ($sem_id === FALSE) { | ||
echo "Fail to get semaphore"; | ||
exit; | ||
} | ||
echo "Got semaphore $sem_id.\n"; | ||
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||
// Accuire semaphore | ||
if (! sem_acquire($sem_id)) { | ||
echo "Fail to aquire semaphore $sem_id.\n"; | ||
sem_remove($sem_id); | ||
exit; | ||
} | ||
echo "Success aquire semaphore $sem_id.\n"; | ||
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||
$shm_id = shm_attach($SHMKEY, $MEMSIZE); | ||
if ($shm_id === FALSE) { | ||
echo "Fail to attach shared memory.\n"; | ||
sem_remove($sem_id); | ||
exit; | ||
} | ||
echo "Success to attach shared memory : $shm_id.\n"; | ||
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||
// Write variable 1 | ||
if (!shm_put_var($shm_id, 1, "Variable 1")) { | ||
echo "Fail to put var 1 on shared memory $shm_id.\n"; | ||
sem_remove($sem_id); | ||
shm_remove ($shm_id); | ||
exit; | ||
} | ||
echo "Write var1 to shared memory.\n"; | ||
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// Write variable 2 | ||
if (!shm_put_var($shm_id, 2, "Variable 2")) { | ||
echo "Fail to put var 2 on shared memory $shm_id.\n"; | ||
sem_remove($sem_id); | ||
shm_remove ($shm_id); | ||
exit; | ||
} | ||
echo "Write var2 to shared memory.\n"; | ||
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// Read variable 1 | ||
$var1 = shm_get_var ($shm_id, 1); | ||
if ($var1 === FALSE) { | ||
echo "Fail to retrieve Var 1 from Shared memory $shm_id, return value=$var1.\n"; | ||
} else { | ||
echo "Read var1=$var1.\n"; | ||
} | ||
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// Read variable 1 | ||
$var2 = shm_get_var ($shm_id, 2); | ||
if ($var1 === FALSE) { | ||
echo "Fail to retrieve Var 2 from Shared memory $shm_id, return value=$var2.\n"; | ||
} else { | ||
echo "Read var2=$var2.\n"; | ||
} | ||
// Release semaphore | ||
if (!sem_release($sem_id)) { | ||
echo "Fail to release $sem_id semaphore.\n"; | ||
} else { | ||
echo "Semaphore $sem_id released.\n"; | ||
} | ||
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// remove shared memory segmant from SysV | ||
if (shm_remove ($shm_id)) { | ||
echo "Shared memory successfully removed from SysV.\n"; | ||
} else { | ||
echo "Fail to remove $shm_id shared memory from SysV.\n"; | ||
} | ||
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// Remove semaphore | ||
if (sem_remove($sem_id)) { | ||
echo "semaphore removed successfully from SysV.\n"; | ||
} else { | ||
echo "Fail to remove $sem_id semaphore from SysV.\n"; | ||
} | ||
echo "End.\n"; | ||
/* NOTE: assigned semids differ depending on the kernel, since | ||
* there are actually 3 semaphores per PHP-created | ||
* semaphores in effect, to keep state information. | ||
* That's the reason for EXPECTF. | ||
*/ | ||
?> | ||
--EXPECTF-- | ||
Start. | ||
Got semaphore Resource id #%i. | ||
Success aquire semaphore Resource id #%i. | ||
Success to attach shared memory : %i. | ||
Write var1 to shared memory. | ||
Write var2 to shared memory. | ||
Read var1=Variable 1. | ||
Read var2=Variable 2. | ||
Semaphore Resource id #%i released. | ||
Shared memory successfully removed from SysV. | ||
semaphore removed successfully from SysV. | ||
End. |