explicit continue on EOF while read vom child, plus comment - scroll - scrollbackbuffer program for st
(HTM) git clone git://git.suckless.org/scroll
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---
(DIR) commit c4153df6202b944f947b018d6e461170a3a1168e
(DIR) parent 5f5cc69f25ef12b45d24311d06b7e9da371f3a8c
(HTM) 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(-)
---
(DIR) 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:");