From c4729619f98b8aee2ea5555638f939518b7edd00 Mon Sep 17 00:00:00 2001
From: simonmar <unknown>
Date: Mon, 4 Oct 1999 16:13:18 +0000
Subject: [PATCH] [project @ 1999-10-04 16:13:18 by simonmar] allow raising
exceptions in threads blocked on I/O or time delays
---
ghc/rts/Schedule.c | 20 ++++++++++++++++----
1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/ghc/rts/Schedule.c b/ghc/rts/Schedule.c
index 30381a4eaa84..8f3f7e323c46 100644
--- a/ghc/rts/Schedule.c
+++ b/ghc/rts/Schedule.c
@@ -1,5 +1,5 @@
/* -----------------------------------------------------------------------------
- * $Id: Schedule.c,v 1.25 1999/09/10 11:11:51 simonmar Exp $
+ * $Id: Schedule.c,v 1.26 1999/10/04 16:13:18 simonmar Exp $
*
* (c) The GHC Team, 1998-1999
*
@@ -732,11 +732,23 @@ unblockThread(StgTSO *tso)
barf("unblockThread (BLACKHOLE): TSO not found");
}
+ case BlockedOnDelay:
case BlockedOnRead:
case BlockedOnWrite:
- case BlockedOnDelay:
- /* ToDo */
- barf("unblockThread {read,write,delay}");
+ {
+ last = &blocked_queue_hd;
+ for (t = blocked_queue_hd; t != END_TSO_QUEUE;
+ last = &t->link, t = t->link) {
+ if (t == tso) {
+ *last = tso->link;
+ if (blocked_queue_tl == t) {
+ blocked_queue_tl = tso->link;
+ }
+ goto done;
+ }
+ }
+ barf("unblockThread (I/O): TSO not found");
+ }
default:
barf("unblockThread");
--
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