1 files changed, 27 insertions, 0 deletions
diff --git a/util/oslib-win32.c b/util/oslib-win32.c
index 25dd1595ad..b4c17f5dfa 100644
--- a/util/oslib-win32.c
+++ b/util/oslib-win32.c
@@ -776,3 +776,30 @@ ssize_t qemu_recvfrom_wrap(int sockfd, void *buf, size_t len, int flags,
     }
     return ret;
 }
+
+bool qemu_write_pidfile(const char *filename, Error **errp)
+{
+    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) {
+        error_setg(errp, "Failed to create PID file");
+        return false;
+    }
+    len = snprintf(buffer, sizeof(buffer), FMT_pid "\n", (pid_t)getpid());
+    ret = WriteFile(file, (LPCVOID)buffer, (DWORD)len,
+                    NULL, &overlap);
+    CloseHandle(file);
+    if (ret == 0) {
+        error_setg(errp, "Failed to write PID file");
+        return false;
+    }
+    return true;
+}