From: girst <girst@users.noreply.github.com>
Date: Fri, 28 Jul 2017 21:59:47 +0000 (+0200)
Subject: located 128+SIGPIPE error
X-Git-Url: https://git.gir.st/forkaftergrep.git/commitdiff_plain/e69d2a8e1b8ea995607f3acd398ff691014775c3

located 128+SIGPIPE error

gdb output of crash:
> Program received signal SIGPIPE, Broken pipe.
> 0x00007ffff7b08ae0 in __write_nocancel () from /lib64/libc.so.6
> (gdb) bt
> #0  0x00007ffff7b08ae0 in __write_nocancel () from /lib64/libc.so.6
> #1  0x000000000040132a in fork_after_grep (opts=...) at fag.c:190
> #2  0x0000000000400ea2 in main (argc=5, argv=0x7fffffffe128) at fag.c:83
---

diff --git a/fag.c b/fag.c
index 4f067b8..32fde76 100644
--- a/fag.c
+++ b/fag.c
@@ -1,6 +1,6 @@
 /* forkaftergrep (C) 2017 Tobias Girstmair, GPLv3 */
 //TODO: if grep exits with an error, fag thinks a match was found
-//TODO: sometimes fag exits with code 141 (128+SIGPIPE)
+//TODO: sometimes fag exits with code 141 (128+SIGPIPE) (line 190)
 
 #define _XOPEN_SOURCE 500
 #define _DEFAULT_SOURCE
@@ -187,7 +187,7 @@ int fork_after_grep (struct opt opts) {
 						write(STDERR_FILENO, buf, nbytes);
 					}
 
-					write(grep_pipefd[1], buf, nbytes);
+					write(grep_pipefd[1], buf, nbytes); //TODO: sometimes gets SIGPIPE here
 				}
 
 				// TODO: exits with `0' even if `grep' exits with code > 0 !