fix pidfile option to work in WIN32

Explicit read/write locking pidfile under WIN32 is bit extreme
nobody get the chance to read the pidfile. Convert to a write-only lock.

Also, creating pidfile was disabled along with daemonize under
WIN32. Enable it, but do not enable daemon support which doesn't
exist under WIN32 atm.

From: Juha Riihimäki <juha.riihimaki@nokia.com>
Signed-off-by: Juha Riihimäki <juha.riihimaki@nokia.com>
Signed-off-by: Riku Voipio <riku.voipio@nokia.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

1 files changed, 3 insertions, 1 deletions

diff --git a/vl.c b/vl.c
index 8be3648f4f..e606903465 100644
--- a/vl.c
+++ b/vl.c
@@ -5761,16 +5761,18 @@ int main(int argc, char **argv, char **envp)
         signal(SIGTTOU, SIG_IGN);
         signal(SIGTTIN, SIG_IGN);
     }
+#endif
 
     if (pid_file && qemu_create_pidfile(pid_file) != 0) {
+#ifndef _WIN32
         if (daemonize) {
             uint8_t status = 1;
             write(fds[1], &status, 1);
         } else
+#endif
             fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
         exit(1);
     }
-#endif
 
     if (kvm_enabled()) {
         int ret;