add some mor forking magic

git-svn-id: file:///home/lennart/svn/public/libdaemon/trunk@62 153bfa13-eec0-0310-be40-b0cb6a0e1b4b

1 files changed, 16 insertions, 8 deletions

diff --git a/src/dfork.c b/src/dfork.c
index 486a9fc..b9794d1 100644
--- a/src/dfork.c
+++ b/src/dfork.c
@@ -28,6 +28,7 @@
 #include <stdlib.h>
 #include <sys/wait.h>
 #include <assert.h>
+#include <sys/ioctl.h>
 
 #include "dfork.h"
 #include "dnonblock.h"
@@ -186,27 +187,34 @@ pid_t daemon_fork(void) {
         umask(0777);
         chdir("/");
 
-	if ((tty_fd = open("/dev/tty", O_RDWR|O_NOCTTY)) >= 0) {
-		ioctl(tty_fd, TIOCNOTTY);
-		close(tty_fd);
-	}
-        
         if ((pid = fork()) < 0) { // Second fork
             daemon_log(LOG_ERR, "Second fork() failed: %s", strerror(errno));
             goto fail;
 
         } else if (pid == 0) {
+		int tty_fd;
             /* Second child */
             
-            setsid();
+            if (daemon_log_use & DAEMON_LOG_AUTO)
+                daemon_log_use = DAEMON_LOG_SYSLOG;
+        
+	    signal(SIGTTOU, SIG_IGN);
+	    signal(SIGTTIN, SIG_IGN);
+	    signal(SIGTSTP, SIG_IGN);
+	    
+	    setsid();
+	    setpgrp();
             
+	    if ((tty_fd = open("/dev/tty", O_RDWR)) >= 0) {
+		ioctl(tty_fd, TIOCNOTTY, (char*) 0);
+		close(tty_fd);
+	    }
+        
             dpid = getpid();
             if (atomic_write(pipe_fds[1], &dpid, sizeof(dpid)) != sizeof(dpid))
                 goto fail;
             close(pipe_fds[1]);
 
-            if (daemon_log_use & DAEMON_LOG_AUTO)
-                daemon_log_use = DAEMON_LOG_SYSLOG;
 
             return 0;