index 0f140e7a36987754bae8d86ff287ce801a1b69c7..71b1bc3ec4c4590287f16f3a3ae270000159e622 100644 (file)
/* Ensure buf is big enough that it won't grow mid-operation */
initStringInfo(&buf);
enlargeStringInfo(&buf, 128 * 1024);
+ /* ... and let's just be sure all that space is committed */
+ memset(buf.data, 0, buf.maxlen);
- dumpmem(&buf, "beginning PGSharedMemoryReAttach");
-
- hdr = (PGShmemHeader *) MapViewOfFileEx(UsedShmemSegID, FILE_MAP_READ | FILE_MAP_WRITE, 0, 0, 0, NULL);
- if (hdr)
- {
- if (!UnmapViewOfFile(hdr))
- elog(LOG, "could not unmap temporary view of shared memory: error code %lu",
- GetLastError());
- }
- else
- {
- /* This isn't fatal, just unpromising ... */
- elog(LOG, "could not attach to shared memory (key=%p) at any address: error code %lu",
- UsedShmemSegID, GetLastError());
- }
+ /* Test: see if this lets the process address space quiesce */
+ pg_usleep(1000000L);
dumpmem(&buf, "before VirtualFree");