-
- if (lockf(fd, F_TLOCK, 0) == -1)
- return -1;
-
- len = snprintf(buffer, sizeof(buffer), "%ld\n", (long)getpid());
- if (write(fd, buffer, len) != len)
- return -1;
-#else
- HANDLE file;
- OVERLAPPED overlap;
- BOOL ret;
- memset(&overlap, 0, sizeof(overlap));
-
- file = CreateFile(filename, GENERIC_WRITE, FILE_SHARE_READ, NULL,
- OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
-
- if (file == INVALID_HANDLE_VALUE)
- return -1;
-
- len = snprintf(buffer, sizeof(buffer), "%ld\n", (long)getpid());
- ret = WriteFileEx(file, (LPCVOID)buffer, (DWORD)len,
- &overlap, NULL);
- if (ret == 0)
- return -1;
-#endif
- return 0;
-}
-
-#ifdef _WIN32
-
-/* Offset between 1/1/1601 and 1/1/1970 in 100 nanosec units */
-#define _W32_FT_OFFSET (116444736000000000ULL)
-
-int qemu_gettimeofday(qemu_timeval *tp)
-{
- union {
- unsigned long long ns100; /*time since 1 Jan 1601 in 100ns units */
- FILETIME ft;
- } _now;
-
- if(tp)
- {
- GetSystemTimeAsFileTime (&_now.ft);
- tp->tv_usec=(long)((_now.ns100 / 10ULL) % 1000000ULL );
- tp->tv_sec= (long)((_now.ns100 - _W32_FT_OFFSET) / 10000000ULL);