io.c: WRITE to TTY returns -1 EAGAIN

	if ttyqueue is full. The behaviour
	to give up here was wrong.

1 files changed, 13 insertions, 0 deletions

diff --git a/ax25ipd/io.c b/ax25ipd/io.c
index 2e3ec07..8bcb4a5 100644
--- a/ax25ipd/io.c
+++ b/ax25ipd/io.c
@@ -541,6 +541,7 @@ int where;	/* line in the code where this function was called */
 
 #ifdef EAGAIN
         if (errno == EAGAIN) {
+#ifdef	notdef
                 /* select() said that data is available, but recvfrom sais
                  * EAGAIN - i really do not know what's the sense in this.. */
                  if (dir == READ_MSG && oops != TTY_MODE /* && != TCP_MODE, if we'd implement this */ )
@@ -550,6 +551,18 @@ int where;	/* line in the code where this function was called */
                 fprintf(stderr, "behaviour.  This is probably a result of compile-time environment.\n");
                 fprintf(stderr, "Mode 0x%2.2x, LINE: %d. During %s\n", mode, where, (dir == READ_MSG ? "READ" : "WRITE"));
                 exit(3);
+#else
+               int ret = 0;
+               if (dir == READ_MSG) {
+                       LOGL4("read / recv returned -1 EAGAIN\n");
+                       ret = 0;
+               } else if (dir == SEND_MSG) {
+                       LOGL4("write / send returned -1 EAGAIN, sleeping and retrying!\n");
+                       usleep(100000);
+                       ret = 1;
+               }
+               return ret;
+#endif
         }
 #endif