From becc5cd11bbd7ffca365e28d48eeff450e141493 Mon Sep 17 00:00:00 2001
From: Anatol Belski <ab@php.net>
Date: Tue, 23 Aug 2016 00:27:17 +0200
Subject: [PATCH] sync shm* implementation signatures with POSIX

---
 TSRM/tsrm_win32.c | 17 ++++++++++-------
 TSRM/tsrm_win32.h |  7 ++++---
 win32/ftok.c      |  2 +-
 win32/ipc.h       |  8 ++++++--
 4 files changed, 21 insertions(+), 13 deletions(-)

diff --git a/TSRM/tsrm_win32.c b/TSRM/tsrm_win32.c
index e3d311e418..271422df42 100644
--- a/TSRM/tsrm_win32.c
+++ b/TSRM/tsrm_win32.c
@@ -426,7 +426,7 @@ static process_pair *process_get(FILE *stream)
 	return ptr;
 }
 
-static shm_pair *shm_get(int key, void *addr)
+static shm_pair *shm_get(key_t key, void *addr)
 {
 	shm_pair *ptr;
 	shm_pair *newptr;
@@ -639,17 +639,13 @@ TSRM_API int pclose(FILE *stream)
 	return termstat;
 }
 
-TSRM_API int shmget(int key, int size, int flags)
+TSRM_API int shmget(key_t key, size_t size, int flags)
 {
 	shm_pair *shm;
 	char shm_segment[26], shm_info[29];
 	HANDLE shm_handle, info_handle;
 	BOOL created = FALSE;
 
-	if (size < 0) {
-		return -1;
-	}
-
 	snprintf(shm_segment, sizeof(shm_segment), "TSRM_SHM_SEGMENT:%d", key);
 	snprintf(shm_info, sizeof(shm_info), "TSRM_SHM_DESCRIPTOR:%d", key);
 
@@ -658,7 +654,14 @@ TSRM_API int shmget(int key, int size, int flags)
 
 	if (!shm_handle && !info_handle) {
 		if (flags & IPC_CREAT) {
-			shm_handle	= CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, size, shm_segment);
+#if SIZEOF_SIZE_T == 8
+			DWORD high = size >> 32;
+			DWORD low = (DWORD)size;
+#else
+			DWORD high = 0;
+			DWORD low = size;
+#endif
+			shm_handle	= CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, high, low, shm_segment);
 			info_handle	= CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, sizeof(shm->descriptor), shm_info);
 			created		= TRUE;
 		}
diff --git a/TSRM/tsrm_win32.h b/TSRM/tsrm_win32.h
index fbeac07b01..ae0ea58c96 100644
--- a/TSRM/tsrm_win32.h
+++ b/TSRM/tsrm_win32.h
@@ -26,9 +26,10 @@
 #if HAVE_UTIME
 # include <sys/utime.h>
 #endif
+#include "win32/ipc.h"
 
 struct ipc_perm {
-	int			key;
+	key_t		key;
 	unsigned short	uid;
 	unsigned short	gid;
 	unsigned short	cuid;
@@ -39,7 +40,7 @@ struct ipc_perm {
 
 struct shmid_ds {
 	struct	ipc_perm	shm_perm;
-	int				shm_segsz;
+	size_t			shm_segsz;
 	time_t			shm_atime;
 	time_t			shm_dtime;
 	time_t			shm_ctime;
@@ -105,7 +106,7 @@ TSRM_API int pclose(FILE *stream);
 TSRM_API int tsrm_win32_access(const char *pathname, int mode);
 TSRM_API int win32_utime(const char *filename, struct utimbuf *buf);
 
-TSRM_API int shmget(int key, int size, int flags);
+TSRM_API int shmget(key_t key, size_t size, int flags);
 TSRM_API void *shmat(int key, const void *shmaddr, int flags);
 TSRM_API int shmdt(const void *shmaddr);
 TSRM_API int shmctl(int key, int cmd, struct shmid_ds *buf);
diff --git a/win32/ftok.c b/win32/ftok.c
index 842da78192..4c35017060 100644
--- a/win32/ftok.c
+++ b/win32/ftok.c
@@ -22,7 +22,7 @@
 #include <sys/stat.h>
 
 
-PHPAPI key_t
+PHP_WIN32_IPC_API key_t
 ftok(const char *pathname, int proj_id)
 {
 	HANDLE fh;
diff --git a/win32/ipc.h b/win32/ipc.h
index cafcf4f85e..0d7cc47e8c 100644
--- a/win32/ipc.h
+++ b/win32/ipc.h
@@ -19,11 +19,15 @@
 #ifndef PHP_WIN32_IPC_H
 #define PHP_WIN32_IPC_H 1
 
-#include "php.h"
+#ifdef PHP_EXPORTS
+# define PHP_WIN32_IPC_API __declspec(dllexport)
+#else
+# define PHP_WIN32_IPC_API __declspec(dllimport)
+#endif
 
 typedef int key_t;
 
-PHPAPI key_t ftok(const char *path, int id);
+PHP_WIN32_IPC_API key_t ftok(const char *path, int id);
 
 
 #endif /* PHP_WIN32_IPC_H */
-- 
2.40.0