Make dtach -N return the exit status of the program

Also change the execvp error exit from 127 to 1 to be consistent between
dtach -n and dtach -N.

2 files changed, 11 insertions, 1 deletions

diff --git a/dtach.h b/dtach.h
index 40d0879..56867c8 100644
--- a/dtach.h
+++ b/dtach.h
@@ -83,6 +83,7 @@
 #include <sys/stat.h>
 #include <sys/socket.h>
 #include <sys/un.h>
+#include <sys/wait.h>
 
 #ifndef S_ISREG
 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
diff --git a/master.c b/master.c
index d5da2c3..3755f65 100644
--- a/master.c
+++ b/master.c
@@ -134,7 +134,7 @@ init_pty(char **argv, int statusfd)
 		printf("%s: could not execute %s: %s\r\n", progname,
 		       *argv, strerror(errno));
 		fflush(stdout);
-		_exit(127);
+		_exit(1);
 	}
 	/* Parent.. Finish up and return */
 #ifdef BROKEN_MASTER
@@ -261,7 +261,16 @@ pty_activity(int s)
 
 	/* Error -> die */
 	if (len <= 0)
+	{
+		int status;
+
+		if (wait(&status) >= 0)
+		{
+			if (WIFEXITED(status))
+				exit(WEXITSTATUS(status));
+		}
 		exit(1);
+	}
 
 #ifdef BROKEN_MASTER
 	/* Get the current terminal settings. */