twin: better SIGPIPE handling - plan9port - [fork] Plan 9 from user space
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---
DIR commit 65a34c7fac1524cb3f40189f1bff8c3226d80710
DIR parent e465991ea6c7d2b9f52cabf398b9b087a0b25427
HTML Author: Russ Cox <rsc@swtch.com>
Date: Tue, 6 Jan 2009 14:42:41 -0800
win: better SIGPIPE handling
Diffstat:
M src/cmd/9term/win.c | 19 +++++++++----------
1 file changed, 9 insertions(+), 10 deletions(-)
---
DIR diff --git a/src/cmd/9term/win.c b/src/cmd/9term/win.c
t@@ -93,15 +93,6 @@ usage(void)
threadexitsall("usage");
}
-int
-nopipes(void *v, char *msg)
-{
- USED(v);
- if(strcmp(msg, "sys: write on closed pipe") == 0)
- return 1;
- return 0;
-}
-
void
waitthread(void *v)
{
t@@ -157,7 +148,15 @@ threadmain(int argc, char **argv)
}
}
- notedisable("sys: write on closed pipe");
+ /*
+ * notedisable("sys: write on closed pipe");
+ * not okay to disable the note, because that
+ * gets inherited by the subshell, so that something
+ * as simple as "yes | sed 10q" never exits.
+ * call notifyoff instead. (is notedisable ever safe?)
+ */
+ notifyoff("sys: write on closed pipe");
+
noteenable("sys: child");
notify(hangupnote);