libc: allow dial to be interrupted

previously, if dial was interrupted by an alarm or other note while connecting to a host that resolved to multiple ips, dial would ignore the interruption and try the next host. now dial properly returns with error when it is interrupted.

1 files changed, 2 insertions, 0 deletions

diff --git a/sys/src/libc/9sys/dial.c b/sys/src/libc/9sys/dial.c
index 4ac54d46c..2a378f219 100644
--- a/sys/src/libc/9sys/dial.c
+++ b/sys/src/libc/9sys/dial.c
@@ -114,6 +114,8 @@ csdial(DS *ds)
 			break;
 		*err = 0;
 		errstr(err, sizeof err);
+		if(strcmp(err, "interrupted") == 0)
+			break;
 		if(strstr(err, "does not exist") == 0)
 			strcpy(besterr, err);
 	}