--- irio.c.orig 2018-08-12 05:33:43 UTC +++ irio.c @@ -97,14 +97,6 @@ int ir_open_port(char *filename) return -1; } - /* lock the file for ourselves */ - if (flock(portfd, LOCK_EX | LOCK_NB) < 0) { - /* unable to get lock */ - close(portfd); - portfd = 0; - return -1; - } - /* get port attributes, store in oldterm */ if (tcgetattr(portfd, &oldterm) < 0) { close(portfd);