New PHP5 APC - version 3.0.18, using PHP5 5.2.0-8+etch10,

[php5-apc.git] / apc_fcntl_win32.c

diff --git a/apc_fcntl_win32.c b/apc_fcntl_win32.c
new file mode 100644 (file)
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+/*
+  +----------------------------------------------------------------------+
+  | APC                                                                  |
+  +----------------------------------------------------------------------+
+  | Copyright (c) 2006 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: George Schlossnagle <george@omniti.com>                     |
+  |          Edin Kadribasic <edink@php.net>                             |
+  +----------------------------------------------------------------------+
+
+   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_fcntl_win32.c,v 3.6 2006/03/12 00:31:45 rasmus Exp $ */
+
+#include "apc_fcntl.h"
+#include "apc.h"
+#include <php.h>
+#include <win32/flock.h>
+#include <io.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+int apc_fcntl_create(const char* pathname)
+{
+       char *lock_file = emalloc(MAXPATHLEN);
+       HANDLE fd;
+       DWORD tmplen;
+       static int i=0;
+       
+       tmplen = GetTempPath(MAXPATHLEN, lock_file);
+       if (!tmplen) {
+               efree(lock_file);
+               return -1;
+       }
+
+       snprintf(lock_file + tmplen, MAXPATHLEN - tmplen - 1, "apc.lock.%d", i++);
+       
+       fd = CreateFile(lock_file,
+        GENERIC_READ | GENERIC_WRITE,
+        FILE_SHARE_READ | FILE_SHARE_WRITE,
+        NULL,
+        OPEN_ALWAYS,
+        FILE_ATTRIBUTE_NORMAL,
+        NULL);
+        
+
+       if (fd == INVALID_HANDLE_VALUE) {
+               apc_eprint("apc_fcntl_create: could not open %s", lock_file);
+               efree(lock_file);
+               return -1;
+       }
+       
+       efree(lock_file);
+       return (int)fd;
+}
+
+void apc_fcntl_destroy(int fd)
+{
+       CloseHandle((HANDLE)fd);
+}
+
+void apc_fcntl_lock(int fd)
+{
+       OVERLAPPED offset =     {0, 0, 0, 0, NULL};
+       
+       if (!LockFileEx((HANDLE)fd, LOCKFILE_EXCLUSIVE_LOCK, 0, 1, 0, &offset)) {
+               apc_eprint("apc_fcntl_lock failed errno:%d", GetLastError());
+       }
+}
+
+void apc_fcntl_rdlock(int fd)
+{
+       OVERLAPPED offset =     {0, 0, 0, 0, NULL};
+       
+       if (!LockFileEx((HANDLE)fd, 0, 0, 1, 0, &offset)) {
+               apc_eprint("apc_fcntl_rdlock failed errno:%d", GetLastError());
+       }
+}
+
+void apc_fcntl_unlock(int fd)
+{
+       OVERLAPPED offset =     {0, 0, 0, 0, NULL};
+
+       if (!UnlockFileEx((HANDLE)fd, 0, 1, 0, &offset)) {
+               DWORD error_code = GetLastError();
+               /* Ignore already unlocked error */
+               if (error_code != ERROR_NOT_LOCKED) {
+                       apc_eprint("apc_fcntl_unlock failed errno:%d", error_code);
+               }
+       }
+}
+
+/*
+ * 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
+ */