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execx.php
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Tue, Jun 17, 23:32

execx.php
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<?php
/**
* Execute a command and capture stdout and stderr. If the command exits with
* a nonzero error code, a @{class:CommandException} will be thrown. If you need
* to manually handle error conditions, use @{function:exec_manual}.
*
* list ($stdout, $stderr) = execx('ls %s', $file);
*
* @param string sprintf()-style command pattern to execute.
* @param ... Arguments to sprintf pattern.
* @return array List of stdout and stderr.
* @group exec
*/
function execx($cmd /* , ... */) {
$args = func_get_args();
$future = newv('ExecFuture', $args);
return $future->resolvex();
}
/**
* Execute a command and capture stdout, stderr, and the return value.
*
* list ($err, $stdout, $stderr) = exec_manual('ls %s', $file);
*
* When invoking this function, you must manually handle the error
* condition. Error flows can often be simplified by using @{function:execx}
* instead, which throws an exception when it encounters an error.
*
* @param string sprintf()-style command pattern to execute.
* @param ... Arguments to sprintf pattern.
* @return array List of return code, stdout, and stderr.
* @group exec
*/
function exec_manual($cmd /* , ... */) {
$args = func_get_args();
$ef = newv('ExecFuture', $args);
return $ef->resolve();
}
/**
* Wrapper for @{class:PhutilExecPassthru}.
*
* @param string sprintf()-style command pattern to execute.
* @param ... Arguments to sprintf pattern.
* @return int Return code.
* @group exec
*/
function phutil_passthru($cmd /* , ... */) {
$args = func_get_args();
return newv('PhutilExecPassthru', $args)->execute();
}
/**
* Return a human-readable signal name (like "SIGINT" or "SIGKILL") for a given
* signal number.
*
* @param int Signal number.
* @return string Human-readable signal name.
*/
function phutil_get_signal_name($signo) {
// These aren't always defined; try our best to look up the signal name.
$constant_names = array(
'SIGHUP',
'SIGINT',
'SIGQUIT',
'SIGILL',
'SIGTRAP',
'SIGABRT',
'SIGIOT',
'SIGBUS',
'SIGFPE',
'SIGUSR1',
'SIGSEGV',
'SIGUSR2',
'SIGPIPE',
'SIGALRM',
'SIGTERM',
'SIGSTKFLT',
'SIGCLD',
'SIGCHLD',
'SIGCONT',
'SIGTSTP',
'SIGTTIN',
'SIGTTOU',
'SIGURG',
'SIGXCPU',
'SIGXFSZ',
'SIGVTALRM',
'SIGPROF',
'SIGWINCH',
'SIGPOLL',
'SIGIO',
'SIGPWR',
'SIGSYS',
'SIGBABY',
);
$signal_names = array();
foreach ($constant_names as $constant) {
if (defined($constant)) {
$signal_names[constant($constant)] = $constant;
}
}
return idx($signal_names, $signo);
}

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