X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2Fwin32%2FAsyncIO.c;h=3f99113b7fd8411851a630e9a5885c13e2923943;hb=8edc7cea056b3de64508d700c1ace9965589a26e;hp=2ff92d96424ce97321f6d7e3a289236ab130f247;hpb=aba81b16e17d8dbd3081d20e062dbc8f9e2f783b;p=ghc-hetmet.git

diff --git a/rts/win32/AsyncIO.c b/rts/win32/AsyncIO.c
index 2ff92d9..3f99113 100644
--- a/rts/win32/AsyncIO.c
+++ b/rts/win32/AsyncIO.c
@@ -45,8 +45,8 @@ typedef struct CompletedReq {
 #define MAX_REQUESTS 200
 
 static CRITICAL_SECTION queue_lock;
-static HANDLE           completed_req_event;
-static HANDLE           abandon_req_wait;
+static HANDLE           completed_req_event = INVALID_HANDLE_VALUE;
+static HANDLE           abandon_req_wait = INVALID_HANDLE_VALUE;
 static HANDLE           wait_handles[2];
 static CompletedReq     completedTable[MAX_REQUESTS];
 static int              completed_hw;
@@ -173,7 +173,18 @@ startupAsyncIO()
 void
 shutdownAsyncIO()
 {
-    CloseHandle(completed_req_event);
+    if (completed_req_event != INVALID_HANDLE_VALUE) {
+        CloseHandle(completed_req_event);
+	completed_req_event = INVALID_HANDLE_VALUE;
+    }
+    if (abandon_req_wait != INVALID_HANDLE_VALUE) {
+        CloseHandle(abandon_req_wait);
+	abandon_req_wait = INVALID_HANDLE_VALUE;
+    }
+    if (completed_table_sema != NULL) {
+        CloseHandle(completed_table_sema);
+	completed_table_sema = NULL;
+    }
     ShutdownIOManager();
 }