scroll

commit c4153df6202b944f947b018d6e461170a3a1168e
parent 5f5cc69f25ef12b45d24311d06b7e9da371f3a8c
Author: Jan Klemkow <j.klemkow@wemelug.de>
Date:   Tue, 14 Apr 2020 21:49:51 +0200

explicit continue on EOF while read vom child, plus comment

Diffstat:
M
scroll.c
 | 
2
++

1 file changed, 2 insertions(+), 0 deletions(-)
diff --git a/scroll.c b/scroll.c
@@ -508,6 +508,8 @@ main(int argc, char *argv[])
 
 			if (n == -1 && errno != EINTR)
 				die("read:");
+			if (n == 0)	/* on exit of child we continue here */
+				continue; /* let signal handler catch SIGCHLD */
 
 			if (write(STDOUT_FILENO, input, n) == -1)
 				die("write:");