Merge Zend Optimizer+

git-subtree-dir: ext/opcache
git-subtree-mainline: b1dbfb73571b051fef055dc371e05163cf73eb8b
git-subtree-split: 8d35170c5fe9b9c0c864b7a6c4dc6b0149809569

1 files changed, 98 insertions, 0 deletions

diff --git a/ext/opcache/shared_alloc_posix.c b/ext/opcache/shared_alloc_posix.c
new file mode 100644
index 0000000000..46f0257bb3
--- /dev/null
+++ b/ext/opcache/shared_alloc_posix.c
@@ -0,0 +1,98 @@
+/*
+   +----------------------------------------------------------------------+
+   | Zend Optimizer+                                                      |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1998-2013 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: Andi Gutmans <andi@zend.com>                                |
+   |          Zeev Suraski <zeev@zend.com>                                |
+   |          Stanislav Malyshev <stas@zend.com>                          |
+   |          Dmitry Stogov <dmitry@zend.com>                             |
+   +----------------------------------------------------------------------+
+*/
+
+#include "zend_shared_alloc.h"
+
+#ifdef USE_SHM_OPEN
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+typedef struct  {
+    zend_shared_segment common;
+    int shm_fd;
+} zend_shared_segment_posix;
+
+static int create_segments(size_t requested_size, zend_shared_segment_posix ***shared_segments_p, int *shared_segments_count, char **error_in)
+{
+	zend_shared_segment_posix *shared_segment;
+	char shared_segment_name[sizeof("/ZendAccelerator.") + 20];
+
+	*shared_segments_count = 1;
+	*shared_segments_p = (zend_shared_segment_posix **) calloc(1, sizeof(zend_shared_segment_posix) + sizeof(void *));
+	if (!*shared_segments_p) {
+		*error_in = "calloc";
+		return ALLOC_FAILURE;
+	}
+	shared_segment = (zend_shared_segment_posix *)((char *)(*shared_segments_p) + sizeof(void *));
+	(*shared_segments_p)[0] = shared_segment;
+
+	sprintf(shared_segment_name, "/ZendAccelerator.%d", getpid());
+	shared_segment->shm_fd = shm_open(shared_segment_name, O_RDWR|O_CREAT|O_TRUNC, 0600);
+	if (shared_segment->shm_fd == -1) {
+		*error_in = "shm_open";
+		return ALLOC_FAILURE;
+	}
+
+	if (ftruncate(shared_segment->shm_fd, requested_size) != 0) {
+		*error_in = "ftruncate";
+		shm_unlink(shared_segment_name);
+		return ALLOC_FAILURE;
+	}
+
+	shared_segment->common.p = mmap(0, requested_size, PROT_READ | PROT_WRITE, MAP_SHARED, shared_segment->shm_fd, 0);
+	if (shared_segment->common.p == MAP_FAILED) {
+		*error_in = "mmap";
+		shm_unlink(shared_segment_name);
+		return ALLOC_FAILURE;
+	}
+	shm_unlink(shared_segment_name);
+
+	shared_segment->common.pos = 0;
+	shared_segment->common.size = requested_size;
+
+	return ALLOC_SUCCESS;
+}
+
+static int detach_segment(zend_shared_segment_posix *shared_segment)
+{
+	munmap(shared_segment->common.p, shared_segment->common.size);
+	close(shared_segment->shm_fd);
+	return 0;
+}
+
+static size_t segment_type_size(void)
+{
+	return sizeof(zend_shared_segment_posix);
+}
+
+zend_shared_memory_handlers zend_alloc_posix_handlers = {
+	(create_segments_t)create_segments,
+	(detach_segment_t)detach_segment,
+	segment_type_size
+};
+
+#endif /* USE_SHM_OPEN */