diff options
Diffstat (limited to 'os-win32.c')
-rw-r--r-- | os-win32.c | 24 |
1 files changed, 24 insertions, 0 deletions
@@ -240,3 +240,27 @@ void os_pidfile_error(void) { fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno)); } + +int qemu_create_pidfile(const char *filename) +{ + char buffer[128]; + int len; + 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; + } + return 0; +} |