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c8955c078a
Cf. <https://github.com/php/php-src/pull/10220#issuecomment-1383739816>. This reverts commitecc880f491. This reverts commit588a07f737. This reverts commitf377e15751. This reverts commitb4ba16fe18. This reverts commit694ec1deea. This reverts commit6b34de8eba. This reverts commitaa1cd02a43. This reverts commit308fd311ea. This reverts commit16203b53e1. This reverts commit738fb5ca54. This reverts commit9fdbefacd3. This reverts commitcd4a7c1d90. This reverts commit928685eba2. This reverts commit01e5ffc85c.
113 lines
4.0 KiB
C
113 lines
4.0 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Signal Handling |
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+----------------------------------------------------------------------+
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| Copyright (c) The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| https://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Lucas Nealan <lucas@php.net> |
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| Arnaud Le Blanc <lbarnaud@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifndef ZEND_SIGNAL_H
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#define ZEND_SIGNAL_H
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#ifdef ZEND_SIGNALS
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#include <signal.h>
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#ifndef NSIG
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#define NSIG 65
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#endif
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#ifndef ZEND_SIGNAL_QUEUE_SIZE
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#define ZEND_SIGNAL_QUEUE_SIZE 64
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#endif
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/* Signal structs */
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typedef struct _zend_signal_entry_t {
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int flags; /* sigaction style flags */
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void* handler; /* signal handler or context */
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} zend_signal_entry_t;
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typedef struct _zend_signal_t {
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int signo;
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siginfo_t *siginfo;
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void* context;
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} zend_signal_t;
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typedef struct _zend_signal_queue_t {
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zend_signal_t zend_signal;
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struct _zend_signal_queue_t *next;
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} zend_signal_queue_t;
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/* Signal Globals */
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typedef struct _zend_signal_globals_t {
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int depth;
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int blocked; /* 1==TRUE, 0==FALSE */
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int running; /* in signal handler execution */
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int active; /* internal signal handling is enabled */
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bool check; /* check for replaced handlers on shutdown */
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bool reset; /* reset signal handlers on each request */
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zend_signal_entry_t handlers[NSIG];
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zend_signal_queue_t pstorage[ZEND_SIGNAL_QUEUE_SIZE], *phead, *ptail, *pavail; /* pending queue */
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} zend_signal_globals_t;
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# ifdef ZTS
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# define SIGG(v) ZEND_TSRMG_FAST(zend_signal_globals_offset, zend_signal_globals_t *, v)
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BEGIN_EXTERN_C()
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ZEND_API extern int zend_signal_globals_id;
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ZEND_API extern size_t zend_signal_globals_offset;
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END_EXTERN_C()
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# else
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# define SIGG(v) (zend_signal_globals.v)
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BEGIN_EXTERN_C()
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ZEND_API extern zend_signal_globals_t zend_signal_globals;
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END_EXTERN_C()
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# endif /* not ZTS */
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# ifdef ZTS
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# define ZEND_SIGNAL_BLOCK_INTERRUPTIONS() if (EXPECTED(zend_signal_globals_id)) { SIGG(depth)++; }
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# define ZEND_SIGNAL_UNBLOCK_INTERRUPTIONS() if (EXPECTED(zend_signal_globals_id) && UNEXPECTED(((SIGG(depth)--) == SIGG(blocked)))) { zend_signal_handler_unblock(); }
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# else /* ZTS */
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# define ZEND_SIGNAL_BLOCK_INTERRUPTIONS() SIGG(depth)++;
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# define ZEND_SIGNAL_UNBLOCK_INTERRUPTIONS() if (((SIGG(depth)--) == SIGG(blocked))) { zend_signal_handler_unblock(); }
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# endif /* not ZTS */
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ZEND_API void zend_signal_handler_unblock(void);
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void zend_signal_activate(void);
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void zend_signal_deactivate(void);
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BEGIN_EXTERN_C()
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ZEND_API void zend_signal_startup(void);
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END_EXTERN_C()
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void zend_signal_init(void);
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ZEND_API void zend_signal(int signo, void (*handler)(int));
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ZEND_API void zend_sigaction(int signo, const struct sigaction *act, struct sigaction *oldact);
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#else /* ZEND_SIGNALS */
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# define ZEND_SIGNAL_BLOCK_INTERRUPTIONS()
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# define ZEND_SIGNAL_UNBLOCK_INTERRUPTIONS()
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# define zend_signal_activate()
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# define zend_signal_deactivate()
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# define zend_signal_startup()
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# define zend_signal_init()
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# define zend_signal(signo, handler) signal(signo, handler)
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# define zend_sigaction(signo, act, oldact) sigaction(signo, act, oldact)
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#endif /* ZEND_SIGNALS */
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#endif /* ZEND_SIGNAL_H */
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