Merge branch 'dev' of github.com:cloudwu/skynet into dev

skynet-src/skynet_daemon.c

@@ -4,6 +4,7 @@
 #include <sys/file.h>
 #include <signal.h>
 #include <errno.h>
+#include <stdlib.h>
 
 #include "skynet_daemon.h"
 
@@ -72,10 +73,14 @@ daemon_init(const char *pidfile) {
 		return 1;
 	}
 
+#ifdef __APPLE__
+	fprintf(stderr, "'daemon' is deprecated: first deprecated in OS X 10.5 , use launchd instead.\n");
+#else
 	if (daemon(1,0)) {
 		fprintf(stderr, "Can't daemonize.\n");
 		return 1;
 	}
+#endif
 
 	pid = write_pid(pidfile);
 	if (pid == 0) {