src/cxx_supportlib/WatchdogLauncher.h in passenger-5.1.11 vs src/cxx_supportlib/WatchdogLauncher.h in passenger-5.1.12

@@ -388,16 +388,17 @@
 
 			// Make sure the feedback fd is 3 and close all file descriptors
 			// except stdin, stdout, stderr and 3.
 			close(fds[0]);
 			installFeedbackFd(fds[1]);
-			closeAllFileDescriptors(FEEDBACK_FD);
 
 			setenv("PASSENGER_USE_FEEDBACK_FD", "true", 1);
 
 			if (afterFork) {
 				afterFork();
 			}
+
+			closeAllFileDescriptors(FEEDBACK_FD, true);
 
 			execl(agentFilename.c_str(), AGENT_EXE, "watchdog",
 				// Some extra space to allow the child process to change its process title.
 				"                                                ",
 				(char *) 0);