X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=send.h;h=3aebb1600ebfdee0450c0100ae8c99921c7c0cd0;hp=75c13731bb1af9223a0a32fdc8c85792f04f3d50;hb=08bd4a0d28f709a3b0ca5598e2a3eb62d4378800;hpb=1f556ae88bd8c85d4452f689f532f5a6abeabe92

diff --git a/send.h b/send.h
index 75c13731..3aebb160 100644
--- a/send.h
+++ b/send.h
@@ -85,9 +85,16 @@ struct sender {
 	int (*client_cmds[NUM_SENDER_CMDS])(struct sender_command_data*);
 };
 
+/**
+ * check a file descriptor for writability
+ *
+ * \param fd the file desctiptor
+ *
+ * \return positive if fd is ready for writing, zero if it isn't, negative if
+ * an error occured.
+ */
 
-
-static inline int _write_ok(int fd)
+static inline int write_ok(int fd)
 {
 	struct timeval tv = {0, 0};
 	fd_set wfds;
@@ -98,8 +105,5 @@ again:
 	ret = select(fd + 1, NULL, &wfds, NULL, &tv);
 	if (ret < 0 && errno == EINTR)
 		goto again;
-	if (ret < 0)
-		ret = 0;
 	return ret;
 }
-