<?php

// Start of pcntl v.
use JetBrains\PhpStorm\Internal\LanguageLevelTypeAware;
use JetBrains\PhpStorm\Internal\PhpStormStubsElementAvailable;
use JetBrains\PhpStorm\Pure;

/**
 * Forks the currently running process
 * @link https://php.net/manual/en/function.pcntl-fork.php
 * @return int On success, the PID of the child process is returned in the
 * parent's thread of execution, and a 0 is returned in the child's
 * thread of execution. On failure, a -1 will be returned in the
 * parent's context, no child process will be created, and a PHP
 * error is raised.
 */
function pcntl_fork(): int {}

/**
 * Waits on or returns the status of a forked child
 * @link https://php.net/manual/en/function.pcntl-waitpid.php
 * @param int $process_id <p>
 * The value of <i>pid</i> can be one of the following:
 * <table>
 * possible values for <i>pid</i>
 * <tr valign="top">
 * <td>&lt; -1</td>
 * <td>
 * wait for any child process whose process group ID is equal to
 * the absolute value of <i>pid</i>.
 * </td>
 * </tr>
 * <tr valign="top">
 * <td>-1</td>
 * <td>
 * wait for any child process; this is the same behaviour that
 * the wait function exhibits.
 * </td>
 * </tr>
 * <tr valign="top">
 * <td>0</td>
 * <td>
 * wait for any child process whose process group ID is equal to
 * that of the calling process.
 * </td>
 * </tr>
 * <tr valign="top">
 * <td>&gt; 0</td>
 * <td>
 * wait for the child whose process ID is equal to the value of
 * <i>pid</i>.
 * </td>
 * </tr>
 * </table>
 * </p>
 * <p>
 * Specifying -1 as the <i>pid</i> is
 * equivalent to the functionality <b>pcntl_wait</b> provides
 * (minus <i>options</i>).
 * </p>
 * @param int &$status <p>
 * <b>pcntl_waitpid</b> will store status information
 * in the <i>status</i> parameter which can be
 * evaluated using the following functions:
 * <b>pcntl_wifexited</b>,
 * <b>pcntl_wifstopped</b>,
 * <b>pcntl_wifsignaled</b>,
 * <b>pcntl_wexitstatus</b>,
 * <b>pcntl_wtermsig</b> and
 * <b>pcntl_wstopsig</b>.
 * </p>
 * @param int $flags [optional] <p>
 * The value of <i>options</i> is the value of zero
 * or more of the following two global constants
 * OR'ed together:
 * <table>
 * possible values for <i>options</i>
 * <tr valign="top">
 * <td>WNOHANG</td>
 * <td>
 * return immediately if no child has exited.
 * </td>
 * </tr>
 * <tr valign="top">
 * <td>WUNTRACED</td>
 * <td>
 * return for children which are stopped, and whose status has
 * not been reported.
 * </td>
 * </tr>
 * </table>
 * </p>
 * @param array &$resource_usage
 * @return int <b>pcntl_waitpid</b> returns the process ID of the
 * child which exited, -1 on error or zero if <b>WNOHANG</b> was used and no
 * child was available
 */
function pcntl_waitpid(
    int $process_id,
    &$status,
    int $flags = 0,
    #[PhpStormStubsElementAvailable(from: '7.0')] &$resource_usage = []
): int {}

/**
 * Waits on or returns the status of a forked child
 * @link https://php.net/manual/en/function.pcntl-wait.php
 * @param int &$status <p>
 * <b>pcntl_wait</b> will store status information
 * in the <i>status</i> parameter which can be
 * evaluated using the following functions:
 * <b>pcntl_wifexited</b>,
 * <b>pcntl_wifstopped</b>,
 * <b>pcntl_wifsignaled</b>,
 * <b>pcntl_wexitstatus</b>,
 * <b>pcntl_wtermsig</b> and
 * <b>pcntl_wstopsig</b>.
 * </p>
 * @param int $flags [optional] <p>
 * If wait3 is available on your system (mostly BSD-style systems), you can
 * provide the optional <i>flags</i> parameter. If this
 * parameter is not provided, wait will be used for the system call. If
 * wait3 is not available, providing a value for <i>flags
 * </i> will have no effect. The value of <i>flags
 * </i> is the value of zero or more of the following two constants
 * OR'ed together:
 * <table>
 * Possible values for <i>flags</i>
 * <tr valign="top">
 * <td>WNOHANG</td>
 * <td>
 * Return immediately if no child has exited.
 * </td>
 * </tr>
 * <tr valign="top">
 * <td>WUNTRACED</td>
 * <td>
 * Return for children which are stopped, and whose status has
 * not been reported.
 * </td>
 * </tr>
 * </table>
 * </p>
 * @param array &$resource_usage
 * @return int <b>pcntl_wait</b> returns the process ID of the
 * child which exited, -1 on error or zero if WNOHANG was provided as an
 * option (on wait3-available systems) and no child was available.
 */
function pcntl_wait(
    &$status,
    int $flags = 0,
    #[PhpStormStubsElementAvailable(from: '7.0')] &$resource_usage
= []
): int {}

/**
 * Installs a signal handler
 * @link https://php.net/manual/en/function.pcntl-signal.php
 * @param int $signal <p>
 * The signal number.
 * </p>
 * @param callable|int $handler <p>
 * The signal handler. This may be either a callable, which
 * will be invoked to handle the signal, or either of the two global
 * constants <b>SIG_IGN</b> or <b>SIG_DFL</b>,
 * which will ignore the signal or restore the default signal handler
 * respectively.
 * </p>
 * <p>
 * If a callable is given, it must implement the following
 * signature:
 * </p>
 * <p>
 * void<b>handler</b>
 * <b>int<i>signo</i></b>
 * <i>signo</i>
 * The signal being handled.</p>
 * @param bool $restart_syscalls [optional] <p>
 * Specifies whether system call restarting should be used when this
 * signal arrives.
 * </p>
 * @return bool <b>TRUE</b> on success or <b>FALSE</b> on failure.
 */
function pcntl_signal(int $signal, $handler, bool $restart_syscalls = true): bool {}

/**
 * Calls signal handlers for pending signals
 * @link https://php.net/manual/en/function.pcntl-signal-dispatch.php
 * @return bool <b>TRUE</b> on success or <b>FALSE</b> on failure.
 */
function pcntl_signal_dispatch(): bool {}

/**
 * Checks if status code represents a normal exit
 * @link https://php.net/manual/en/function.pcntl-wifexited.php
 * @param int $status <p>The <i>status</i>
 * parameter is the status parameter supplied to a successful
 * call to <b>pcntl_waitpid</b>.</p>
 * @return bool <b>TRUE</b> if the child status code represents a normal exit, <b>FALSE</b>
 * otherwise.
 */
#[Pure]
function pcntl_wifexited(int $status): bool {}

/**
 * Checks whether the child process is currently stopped
 * @link https://php.net/manual/en/function.pcntl-wifstopped.php
 * @param int $status <p>The <i>status</i>
 * parameter is the status parameter supplied to a successful
 * call to <b>pcntl_waitpid</b>.</p>
 * @return bool <b>TRUE</b> if the child process which caused the return is
 * currently stopped, <b>FALSE</b> otherwise.
 */
#[Pure]
function pcntl_wifstopped(int $status): bool {}

/**
 * Checks whether the status code represents a termination due to a signal
 * @link https://php.net/manual/en/function.pcntl-wifsignaled.php
 * @param int $status <p>The <i>status</i>
 * parameter is the status parameter supplied to a successful
 * call to <b>pcntl_waitpid</b>.</p>
 * @return bool <b>TRUE</b> if the child process exited because of a signal which was
 * not caught, <b>FALSE</b> otherwise.
 */
#[Pure]
function pcntl_wifsignaled(int $status): bool {}

/**
 * Returns the return code of a terminated child
 * @link https://php.net/manual/en/function.pcntl-wexitstatus.php
 * @param int $status <p>The <i>status</i>
 * parameter is the status parameter supplied to a successful
 * call to <b>pcntl_waitpid</b>.</p>
 * @return int|false the return code, as an integer.
 */
#[Pure]
function pcntl_wexitstatus(int $status): int|false {}

/**
 * @param int $status
 * @return bool
 */
#[Pure]
function pcntl_wifcontinued(int $status): bool {}

/**
 * Returns the signal which caused the child to terminate
 * @link https://php.net/manual/en/function.pcntl-wtermsig.php
 * @param int $status <p>The <i>status</i>
 * parameter is the status parameter supplied to a successful
 * call to <b>pcntl_waitpid</b>.</p>
 * @return int|false the signal number, as an integer.
 */
#[Pure]
function pcntl_wtermsig(int $status): int|false {}

/**
 * Returns the signal which caused the child to stop
 * @link https://php.net/manual/en/function.pcntl-wstopsig.php
 * @param int $status <p>The <i>status</i>
 * parameter is the status parameter supplied to a successful
 * call to <b>pcntl_waitpid</b>.</p>
 * @return int|false the signal number.
 */
#[Pure]
function pcntl_wstopsig(int $status): int|false {}

/**
 * Executes specified program in current process space
 * @link https://php.net/manual/en/function.pcntl-exec.php
 * @param string $path <p>
 * <i>path</i> must be the path to a binary executable or a
 * script with a valid path pointing to an executable in the shebang (
 * #!/usr/local/bin/perl for example) as the first line. See your system's
 * man execve(2) page for additional information.
 * </p>
 * @param array $args <p>
 * <i>args</i> is an array of argument strings passed to the
 * program.
 * </p>
 * @param array $env_vars <p>
 * <i>envs</i> is an array of strings which are passed as
 * environment to the program. The array is in the format of name => value,
 * the key being the name of the environmental variable and the value being
 * the value of that variable.
 * </p>
 * @return bool <b>FALSE</b> on error and does not return on success.
 */
function pcntl_exec(string $path, array $args = [], array $env_vars = []): bool {}

/**
 * Set an alarm clock for delivery of a signal
 * @link https://php.net/manual/en/function.pcntl-alarm.php
 * @param int $seconds <p>
 * The number of seconds to wait. If <i>seconds</i> is
 * zero, no new alarm is created.
 * </p>
 * @return int the time in seconds that any previously scheduled alarm had
 * remaining before it was to be delivered, or 0 if there
 * was no previously scheduled alarm.
 */
function pcntl_alarm(int $seconds): int {}

/**
 * Retrieve the error number set by the last pcntl function which failed
 * @link https://php.net/manual/en/function.pcntl-get-last-error.php
 * @return int error code.
 * @since 5.3.4
 */
#[Pure(true)]
function pcntl_get_last_error(): int {}

/**
 * Alias of <b>pcntl_get_last_error</b>
 * @link https://php.net/manual/en/function.pcntl-errno.php
 * @return int error code.
 * @since 5.3.4
 */
#[Pure(true)]
function pcntl_errno(): int {}

/**
 * Retrieve the system error message associated with the given errno
 * @link https://php.net/manual/en/function.pcntl-strerror.php
 * @param int $error_code <p>
 * </p>
 * @return string|false error description on success or <b>FALSE</b> on failure.
 * @since 5.3.4
 */
#[Pure]
#[LanguageLevelTypeAware(["8.0" => "string"], default: "string|false")]
function pcntl_strerror(int $error_code): false|string {}

/**
 * Get the priority of any process
 * @link https://php.net/manual/en/function.pcntl-getpriority.php
 * @param int|null $process_id [optional] <p>
 * If not specified, the pid of the current process  (getmypid()) is used.
 * </p>
 * @param int $mode [optional] <p>
 * One of <b>PRIO_PGRP</b>, <b>PRIO_USER</b>
 * or <b>PRIO_PROCESS</b>.
 * </p>
 * @return int|false <b>pcntl_getpriority</b> returns the priority of the process
 * or <b>FALSE</b> on error. A lower numerical value causes more favorable
 * scheduling.
 */
#[Pure]
function pcntl_getpriority(?int $process_id, int $mode = PRIO_PROCESS): int|false {}

/**
 * Change the priority of any process
 * @link https://php.net/manual/en/function.pcntl-setpriority.php
 * @param int $priority <p>
 * <i>priority</i> is generally a value in the range
 * -20 to 20. The default priority
 * is 0 while a lower numerical value causes more
 * favorable scheduling. Because priority levels can differ between
 * system types and kernel versions, please see your system's setpriority(2)
 * man page for specific details.
 * </p>
 * @param int|null $process_id [optional] <p>
 * If not specified, the pid of the current process (getmypid()) is used.
 * </p>
 * @param int $mode [optional] <p>
 * One of <b>PRIO_PGRP</b>, <b>PRIO_USER</b>
 * or <b>PRIO_PROCESS</b>.
 * </p>
 * @return bool <b>TRUE</b> on success or <b>FALSE</b> on failure.
 */
function pcntl_setpriority(int $priority, ?int $process_id, int $mode = PRIO_PROCESS): bool {}

/**
 * Sets and retrieves blocked signals
 * @link https://php.net/manual/en/function.pcntl-sigprocmask.php
 * @param int $mode <p>
 * Sets the behavior of <b>pcntl_sigprocmask</b>. Possible
 * values:
 * <b>SIG_BLOCK</b>: Add the signals to the
 * currently blocked signals.
 * <b>SIG_UNBLOCK</b>: Remove the signals from the
 * currently blocked signals.
 * <b>SIG_SETMASK</b>: Replace the currently
 * blocked signals by the given list of signals.
 * </p>
 * @param array $signals <p>
 * List of signals.
 * </p>
 * @param array &$old_signals [optional] <p>
 * The <i>old_signals</i> parameter is set to an array
 * containing the list of the previously blocked signals.
 * </p>
 * @return bool <b>TRUE</b> on success or <b>FALSE</b> on failure.
 */
function pcntl_sigprocmask(int $mode, array $signals, &$old_signals): bool {}

/**
 * Waits for signals
 * @link https://php.net/manual/en/function.pcntl-sigwaitinfo.php
 * @param array $signals <p>
 * Array of signals to wait for.
 * </p>
 * @param array &$info <p>
 * The <i>info</i> parameter is set to an array containing
 * informations about the signal.
 * </p>
 * <p>
 * The following elements are set for all signals:
 * signo: Signal number
 * errno: An error number
 * code: Signal code
 * </p>
 * <p>
 * The following elements may be set for the <b>SIGCHLD</b> signal:
 * status: Exit value or signal
 * utime: User time consumed
 * stime: System time consumed
 * pid: Sending process ID
 * uid: Real user ID of sending process
 * </p>
 * <p>
 * The following elements may be set for the <b>SIGILL</b>,
 * <b>SIGFPE</b>, <b>SIGSEGV</b> and
 * <b>SIGBUS</b> signals:
 * addr: Memory location which caused fault
 * </p>
 * <p>
 * The following element may be set for the <b>SIGPOLL</b>
 * signal:
 * band: Band event
 * fd: File descriptor number
 * </p>
 * @return int|false On success, <b>pcntl_sigwaitinfo</b> returns a signal number.
 */
function pcntl_sigwaitinfo(array $signals, &$info = []): int|false {}

/**
 * Waits for signals, with a timeout
 * @link https://php.net/manual/en/function.pcntl-sigtimedwait.php
 * @param array $signals <p>
 * Array of signals to wait for.
 * </p>
 * @param array &$info <p>
 * The <i>siginfo</i> is set to an array containing
 * informations about the signal. See
 * <b>pcntl_sigwaitinfo</b>.
 * </p>
 * @param int $seconds [optional] <p>
 * Timeout in seconds.
 * </p>
 * @param int $nanoseconds [optional] <p>
 * Timeout in nanoseconds.
 * </p>
 * @return int|false On success, <b>pcntl_sigtimedwait</b> returns a signal number.
 */
function pcntl_sigtimedwait(array $signals, &$info = [], int $seconds = 0, int $nanoseconds = 0): int|false {}

/**
 * Enable/disable asynchronous signal handling or return the old setting.<br>
 * If the <b>enable</b> parameter is omitted, it returns whether asynchronous
 * signal handling is enabled.
 * @link https://www.php.net/manual/en/function.pcntl-async-signals.php
 *
 * @param bool|null $enable <p>
 * Whether asynchronous signal handling should be enabled.
 * </p>
 *
 * @return bool
 * @since 7.1
 */
function pcntl_async_signals(
    #[PhpStormStubsElementAvailable(from: '5.3', to: '7.4')] ?bool $enable,
    #[PhpStormStubsElementAvailable(from: '8.0')] ?bool $enable = null
): bool {}

/**
 * Get the current handler for specified signal.
 * @link https://www.php.net/manual/en/function.pcntl-signal-get-handler.php
 *
 * @param int $signal <p>
 * The signal number.
 * </p>
 *
 * @return bool|resource
 * @since 7.1
 */
function pcntl_signal_get_handler(int $signal) {}

/**
 * @param int $flags
 * @return bool
 * @since 7.4
 */
function pcntl_unshare(int $flags): bool {}
/**
 * @since 8.4
 */
function pcntl_waitid(int $idtype = P_ALL, ?int $id = null, &$info = [], int $flags = WEXITED): bool {}
/**
 * @since 8.4
 */
function pcntl_getcpuaffinity(?int $process_id = null): array|false {}
/**
 * @since 8.4
 */
function pcntl_setcpuaffinity(?int $process_id = null, array $cpu_ids = []): bool {}
/**
 * @since 8.4
 */
function pcntl_getcpu(): int {}

define('WNOHANG', 1);
define('WUNTRACED', 2);
define('WCONTINUED', 8);
define('SIG_IGN', 1);
define('SIG_DFL', 0);
define('SIG_ERR', -1);
define('SIGHUP', 1);
define('SIGINT', 2);
define('SIGQUIT', 3);
define('SIGILL', 4);
define('SIGTRAP', 5);
define('SIGABRT', 6);
define('SIGIOT', 6);
define('SIGBUS', 7);
define('SIGFPE', 8);
define('SIGKILL', 9);
define('SIGUSR1', 10);
define('SIGSEGV', 11);
define('SIGUSR2', 12);
define('SIGPIPE', 13);
define('SIGALRM', 14);
define('SIGTERM', 15);
define('SIGSTKFLT', 16);
define('SIGCLD', 17);
define('SIGCHLD', 17);
define('SIGCONT', 18);
define('SIGSTOP', 19);
define('SIGTSTP', 20);
define('SIGTTIN', 21);
define('SIGTTOU', 22);
define('SIGURG', 23);
define('SIGXCPU', 24);
define('SIGXFSZ', 25);
define('SIGVTALRM', 26);
define('SIGPROF', 27);
define('SIGWINCH', 28);
define('SIGPOLL', 29);
define('SIGIO', 29);
define('SIGPWR', 30);
define('SIGSYS', 31);
define('SIGBABY', 31);
define('PRIO_PGRP', 1);
define('PRIO_USER', 2);
define('PRIO_PROCESS', 0);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('SIG_BLOCK', 0);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('SIG_UNBLOCK', 1);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('SIG_SETMASK', 2);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('SIGRTMIN', 35);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('SIGRTMAX', 64);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('SI_USER', 0);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('SI_KERNEL', 128);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('SI_QUEUE', -1);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('SI_TIMER', -2);
define('SI_MESGQ', -3);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('SI_ASYNCIO', -4);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('SI_SIGIO', -5);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('SI_TKILL', -6);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('CLD_EXITED', 1);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('CLD_KILLED', 2);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('CLD_DUMPED', 3);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('CLD_TRAPPED', 4);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('CLD_STOPPED', 5);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('CLD_CONTINUED', 6);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('TRAP_BRKPT', 1);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('TRAP_TRACE', 2);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('POLL_IN', 1);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('POLL_OUT', 2);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('POLL_MSG', 3);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('POLL_ERR', 4);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('POLL_PRI', 5);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('POLL_HUP', 6);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('ILL_ILLOPC', 1);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('ILL_ILLOPN', 2);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('ILL_ILLADR', 3);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('ILL_ILLTRP', 4);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('ILL_PRVOPC', 5);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('ILL_PRVREG', 6);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('ILL_COPROC', 7);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('ILL_BADSTK', 8);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('FPE_INTDIV', 1);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('FPE_INTOVF', 2);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('FPE_FLTDIV', 3);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('FPE_FLTOVF', 4);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('FPE_FLTUND', 5);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('FPE_FLTRES', 6);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('FPE_FLTINV', 7);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('FPE_FLTSUB', 8);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('SEGV_MAPERR', 1);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('SEGV_ACCERR', 2);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('BUS_ADRALN', 1);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('BUS_ADRERR', 2);

/**
 * @link https://php.net/manual/en/pcntl.constants.php
 */
define('BUS_OBJERR', 3);
define('PCNTL_EINTR', 4);
define('PCNTL_ECHILD', 10);
define('PCNTL_EINVAL', 22);
define('PCNTL_EAGAIN', 11);
define('PCNTL_ESRCH', 3);
define('PCNTL_EACCES', 13);
define('PCNTL_EPERM', 1);
define('PCNTL_ENOMEM', 12);
define('PCNTL_E2BIG', 7);
define('PCNTL_EFAULT', 14);
define('PCNTL_EIO', 5);
define('PCNTL_EISDIR', 21);
define('PCNTL_ELIBBAD', 80);
define('PCNTL_ELOOP', 40);
define('PCNTL_EMFILE', 24);
define('PCNTL_ENAMETOOLONG', 36);
define('PCNTL_ENFILE', 23);
define('PCNTL_ENOENT', 2);
define('PCNTL_ENOEXEC', 8);
define('PCNTL_ENOTDIR', 20);
define('PCNTL_ETXTBSY', 26);

/**
 * @since 7.4
 */
define('PCNTL_ENOSPC', 28);

/**
 * @since 7.4
 */
define('PCNTL_EUSERS', 87);

/**
 * @since 7.4
 */
define('CLONE_NEWNS', 131072);

/**
 * @since 7.4
 */
define('CLONE_NEWIPC', 134217728);

/**
 * @since 7.4
 */
define('CLONE_NEWUTS', 67108864);

/**
 * @since 7.4
 */
define('CLONE_NEWNET', 1073741824);

/**
 * @since 7.4
 */
define('CLONE_NEWPID', 536870912);

/**
 * @since 7.4
 */
define('CLONE_NEWUSER', 268435456);

/**
 * @since 7.4
 */
define('CLONE_NEWCGROUP', 33554432);
/**
 * @since 8.4
 */
define('P_ALL', 0);
/**
 * @since 8.4
 */
define('WEXITED', 4);
/**
 * @since 8.4
 */
define('WSTOPPED', 2);
/**
 * @since 8.4
 */
define('WNOWAIT', 16777216);
/**
 * @since 8.4
 */
define('P_PID', 1);
/**
 * @since 8.4
 */
define('P_PGID', 2);
/**
 * @since 8.4
 */
define('P_PIDFD', 3);
// End of pcntl v.
