getrusage.h

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/*
   +----------------------------------------------------------------------+
   | Copyright (c) The PHP Group                                          |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | https://www.php.net/license/3_01.txt                                 |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Kalle Sommer Nielsen <kalle@php.net>                        |
   +----------------------------------------------------------------------+
 */
 
#ifndef HAVE_GETRUSAGE_H
# define HAVE_GETRUSAGE_H
 
/*
 * Note
 *
 * RUSAGE_CHILDREN is not implemented, and the RUSAGE_THREAD will
 * therefore instead be used instead to emulate the behavior.
 */
 
# define RUSAGE_SELF        0
# define RUSAGE_CHILDREN    1
 
# define RUSAGE_THREAD      RUSAGE_CHILDREN
 
/*
 * Implementation support
 *
 *  RUSAGE_SELF
 *      ru_utime
 *      ru_stime
 *      ru_majflt
 *      ru_maxrss
 *
 *  RUSAGE_THREAD
 *      ru_utime
 *      ru_stime
 *
 * Not implemented:
 *      ru_ixrss        (unused)
 *      ru_idrss        (unused)
 *      ru_isrss        (unused)
 *      ru_minflt
 *      ru_nswap        (unused)
 *      ru_inblock
 *      ru_oublock
 *      ru_msgsnd       (unused)
 *      ru_msgrcv       (unused)
 *      ru_nsignals     (unused)
 *      ru_nvcsw
 *      ru_nivcsw
 */
 
struct rusage
{
    /* User time used */
    struct timeval ru_utime;
 
    /* System time used */
    struct timeval ru_stime;
 
    /* Integral max resident set size */
    zend_long ru_maxrss;
 
    /* Page faults */
    zend_long ru_majflt;
#if 0
    /* Integral shared text memory size */
    zend_long ru_ixrss;
 
    /* Integral unshared data size */
    zend_long ru_idrss;
 
    /* Integral unshared stack size */
    zend_long ru_isrss;
 
    /* Page reclaims */
    zend_long ru_minflt;
 
    /* Swaps */
    zend_long ru_nswap;
 
    /* Block input operations */
    zend_long ru_inblock;
 
    /* Block output operations */
    zend_long ru_oublock;
 
    /* Messages sent */
    zend_long ru_msgsnd;
 
    /* Messages received */
    zend_long ru_msgrcv;
 
    /* Signals received */
    zend_long ru_nsignals;
 
    /* Voluntary context switches */
    zend_long ru_nvcsw;
 
    /* Involuntary context switches */
    zend_long ru_nivcsw;
#endif
};
 
PHPAPI int getrusage(int who, struct rusage *usage);
 
#endif