From 63eef03aba38e720963067475ff50ec372a099f4 Mon Sep 17 00:00:00 2001
From: Steve Chamberlain <sac@cygnus>
Date: Fri, 15 Apr 1994 18:43:07 +0000
Subject: 	* h8500-tdep.c (initialize_h8500_tdep, large_command): 	All
 references to value changed to value_ptrlage_command is now 	called
 big_command. 	All references to value changed to value_ptr. 	* remote-z8k.c
 (e7000_wait): Use target_waitstatus and SETSTOP 	* remote-hms.c
 (hms_wait): Timeout after five seconds. 	* ser-go32.c (dosasync_read):
 Poll if timeout < 0. 	* config/tm/tm-h8500.h (BEFORE_MAIN_LOOP_HOOK):
 Deleted. 	* config/sh/tm-sh.h (BREAKPOINT): Is now sleep opcode.

---
 gdb/ser-go32.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'gdb/ser-go32.c')

diff --git a/gdb/ser-go32.c b/gdb/ser-go32.c
index 24c55f2..cbfb27f 100644
--- a/gdb/ser-go32.c
+++ b/gdb/ser-go32.c
@@ -160,12 +160,14 @@ dos_async_rx ()
     }
 
   rv = *aptr (async->getp++);
+
   if (async->getp >= async->buffer_end)
     async->getp = async->buffer_start;
 
   return rv;
 }
 
+
 static int
 dosasync_read (fd, buf, len, timeout)
      int fd;
@@ -186,7 +188,7 @@ dosasync_read (fd, buf, len, timeout)
 	  while (!dos_async_ready ())
 	    {
 	      time (&now);
-	      if (now >= then)
+	      if (now >= then && timeout > 0)
 		return i;
 	    }
 	}
@@ -258,6 +260,7 @@ go32_readchar (scb, timeout)
 {
   char buf;
 
+
   /* Shortcut for polling */
   if (timeout == 0)
     {
-- 
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