use non-blocking I/O

git-svn-id: http://svn.openmoko.org/trunk/src/target/gsm@533 99fdad57-331a-0410-800a-d7fa5415bdb3

1 files changed, 4 insertions, 0 deletions

diff --git a/src/util/atcmd.c b/src/util/atcmd.c
index 61f7032..2e2c016 100644
--- a/src/util/atcmd.c
+++ b/src/util/atcmd.c
@@ -2,6 +2,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <fcntl.h>
 
 #include <libgsmd/libgsmd.h>
 
@@ -24,6 +25,9 @@ int atcmd_main(struct lgsm_handle *lgsmh)
 
 	lgsm_register_handler(lgsmh, GSMD_MSG_PASSTHROUGH, &pt_msghandler);
 
+	fcntl(0, F_SETFD, O_NONBLOCK);
+	fcntl(lgsm_fd(lgsmh), F_SETFD, O_NONBLOCK);
+
 	FD_ZERO(&readset);
 
 	while (1) {