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pail dot luo at gmail dot com
16 years ago
A simple Sample to introduce SHM.

<?php
if ( sizeof($argv)<2 ) {
echo
"Usage: $argv[0] send|recv|rem|dele ID [msg] \n\n" ;
echo
" EX: $argv[0] send 1 \"This is no 1\" \n" ;
echo
" $argv[0] recv 1 \n" ;
echo
" $argv[0] rem 1 \n" ;
echo
" $argv[0] dele \n" ;
exit;
}

// $SHMKey = ftok(__FILE__, "Z");
$SHMKey = "123456" ;

## Create/Open a shm
$seg = shm_attach( $SHMKey, 1024, 0666 ) ;

switch (
$argv[1] ) {
case
"send":
shm_put_var($seg, $argv[2], $argv[3]);
echo
"send msg done...\n" ;
break;

case
"recv":
$data = shm_get_var($seg, $argv[2]);
echo
$data . "\n" ;
break;

case
"rem":
shm_remove_var($seg, $argv[2]);
break;

case
"dele":
shm_remove($seg);
break;

case
"dele2":
`
/usr/bin/ipcrm -M 123456`;
break;
}
?>

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