X-Git-Url: http://ftp.carnet.hr/carnet-debian/scm?p=php5-apc.git;a=blobdiff_plain;f=apc_shm.c;fp=apc_shm.c;h=0000000000000000000000000000000000000000;hp=a6a27c528d25a4eafecdf4bdbcdff13d5afa6a04;hb=a34ea625346aecd2d2b227b8ca4f114eaa607213;hpb=b0895ef8074c6dd090f9b0a65d58179941541756 diff --git a/apc_shm.c b/apc_shm.c deleted file mode 100644 index a6a27c5..0000000 --- a/apc_shm.c +++ /dev/null @@ -1,110 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | APC | - +----------------------------------------------------------------------+ - | Copyright (c) 2008 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: | - | http://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: Daniel Cowgill | - | Rasmus Lerdorf | - +----------------------------------------------------------------------+ - - This software was contributed to PHP by Community Connect Inc. in 2002 - and revised in 2005 by Yahoo! Inc. to add support for PHP 5.1. - Future revisions and derivatives of this source code must acknowledge - Community Connect Inc. as the original contributor of this module by - leaving this note intact in the source code. - - All other licensing and usage conditions are those of the PHP Group. - - */ - -/* $Id: apc_shm.c,v 3.11.2.2 2008/05/11 18:57:00 rasmus Exp $ */ - -#include "apc_shm.h" -#include "apc.h" -#ifdef PHP_WIN32 -/* shm functions are available in TSRM */ -#include -#define key_t long -#else -#include -#include -#include -#endif - -#ifndef SHM_R -# define SHM_R 0444 /* read permission */ -#endif -#ifndef SHM_A -# define SHM_A 0222 /* write permission */ -#endif - -int apc_shm_create(const char* pathname, int proj, size_t size) -{ - int shmid; /* shared memory id */ - int oflag; /* permissions on shm */ - key_t key; /* shm key returned by ftok */ - - key = IPC_PRIVATE; -#ifndef PHP_WIN32 - /* no ftok yet for win32 */ - if (pathname != NULL) { - if ((key = ftok(pathname, proj)) < 0) { - apc_eprint("apc_shm_create: ftok failed:"); - } - } -#endif - - oflag = IPC_CREAT | SHM_R | SHM_A; - if ((shmid = shmget(key, size, oflag)) < 0) { - apc_eprint("apc_shm_create: shmget(%d, %d, %d) failed: %s. It is possible that the chosen SHM segment size is higher than the operation system allows. Linux has usually a default limit of 32MB per segment.", key, size, oflag, strerror(errno)); - } - - return shmid; -} - -void apc_shm_destroy(int shmid) -{ - /* we expect this call to fail often, so we do not check */ - shmctl(shmid, IPC_RMID, 0); -} - -void* apc_shm_attach(int shmid) -{ - void* shmaddr; /* the shared memory address */ - - if ((long)(shmaddr = shmat(shmid, 0, 0)) == -1) { - apc_eprint("apc_shm_attach: shmat failed:"); - } - - /* - * We set the shmid for removal immediately after attaching to it. The - * segment won't disappear until all processes have detached from it. - */ - apc_shm_destroy(shmid); - return shmaddr; -} - -void apc_shm_detach(void* shmaddr) -{ - if (shmdt(shmaddr) < 0) { - apc_eprint("apc_shm_detach: shmdt failed:"); - } -} - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * End: - * vim600: expandtab sw=4 ts=4 sts=4 fdm=marker - * vim<600: expandtab sw=4 ts=4 sts=4 - */