diff options
Diffstat (limited to 'storage')
| -rwxr-xr-x[-rw-r--r--] | storage/connect/maputil.cpp | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/storage/connect/maputil.cpp b/storage/connect/maputil.cpp index 2b542d9b359..69ab2fad87f 100644..100755 --- a/storage/connect/maputil.cpp +++ b/storage/connect/maputil.cpp @@ -133,7 +133,7 @@ HANDLE CreateFileMap(PGLOBAL g, LPCSTR fileName, case MODE_UPDATE: case MODE_DELETE: openMode = (del) ? (O_RDWR | O_TRUNC) : O_RDWR; - protmode = PROT_WRITE; + protmode = PROT_READ | PROT_WRITE; break; case MODE_INSERT: openMode = (O_WRONLY | O_CREAT | O_APPEND); @@ -167,15 +167,23 @@ HANDLE CreateFileMap(PGLOBAL g, LPCSTR fileName, } else { strcpy(g->Message, "Memory mapping failed"); return INVALID_HANDLE_VALUE; + } // endif memory + } /* endif fd */ - // mmap() call was successful. ?????????? - return fd; + // mmap() call was successful. ?????????? + return fd; } // end of CreateFileMap bool CloseMemMap(void *memory, size_t dwSize) { - return (memory) ? ((munmap(memory, dwSize)) ? true : false) : false; + if (memory) { + // All this must be redesigned + int rc = msync(memory, dwSize, MS_SYNC); + return (munmap(memory, dwSize)) ? true : false; + } else + return false; + } // end of CloseMemMap #endif // UNIX |