diff options
Diffstat (limited to 'TSRM/tsrm_win32.c')
| -rw-r--r-- | TSRM/tsrm_win32.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/TSRM/tsrm_win32.c b/TSRM/tsrm_win32.c index 45cfbba7e5..cccb0d3732 100644 --- a/TSRM/tsrm_win32.c +++ b/TSRM/tsrm_win32.c @@ -613,14 +613,16 @@ 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; + HANDLE shm_handle = NULL, info_handle = NULL; BOOL created = FALSE; - snprintf(shm_segment, sizeof(shm_segment), "TSRM_SHM_SEGMENT:%d", key); - snprintf(shm_info, sizeof(shm_info), "TSRM_SHM_DESCRIPTOR:%d", key); + if (key != IPC_PRIVATE) { + snprintf(shm_segment, sizeof(shm_segment), "TSRM_SHM_SEGMENT:%d", key); + snprintf(shm_info, sizeof(shm_info), "TSRM_SHM_DESCRIPTOR:%d", key); - shm_handle = OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, shm_segment); - info_handle = OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, shm_info); + shm_handle = OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, shm_segment); + info_handle = OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, shm_info); + } if (!shm_handle && !info_handle) { if (flags & IPC_CREAT) { @@ -631,8 +633,8 @@ TSRM_API int shmget(key_t key, size_t size, int flags) 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); + shm_handle = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, high, low, key == IPC_PRIVATE ? NULL : shm_segment); + info_handle = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, sizeof(shm->descriptor), key == IPC_PRIVATE ? NULL : shm_info); created = TRUE; } if (!shm_handle || !info_handle) { |