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-rw-r--r--os-win32.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/os-win32.c b/os-win32.c
index 3c6f50f..566d5e9 100644
--- a/os-win32.c
+++ b/os-win32.c
@@ -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;
+}