2005-02-15 Andrew J. Schorr <ajschorr@alumni.princeton.edu>
* network.h: Declare new function set_nonblocking. Indicate that
readn and writen are deprecated.
* network.c: (set_nonblocking) New function to make a file descriptor
non-blocking, since it seems silly to have fcntl calls sprinkled
throughout the code.
diff --git a/lib/network.c b/lib/network.c
index e1f733c..3b29672 100644
--- a/lib/network.c
+++ b/lib/network.c
@@ -21,6 +21,8 @@
*/
#include <zebra.h>
+#include "log.h"
+#include "network.h"
/* Read nbytes from fd and store into ptr. */
int
@@ -69,3 +71,15 @@
}
return nbytes - nleft;
}
+
+int
+set_nonblocking(int fd)
+{
+ if (fcntl(fd, F_SETFL, (fcntl(fd, F_GETFL) | O_NONBLOCK)) < 0)
+ {
+ zlog_warn("fcntl failed setting fd %d non-blocking: %s",
+ fd, safe_strerror(errno));
+ return -1;
+ }
+ return 0;
+}