Changeset 22 for trunk/src/helpers/threads.c

Timestamp:

Jan 14, 2001, 5:42:22 PM (25 years ago)

Author:

umoeller

Message:

Misc. updates.

File:

• trunk/src/helpers/threads.c (modified) (2 diffs)

trunk/src/helpers/threads.c

@@ -296 +296 @@
                                       0,
                                       NULL);
-    THREADINFO  ti = {0};
-    thrCreate(&ti,
-              pfn,
-              NULL,
-              THRF_PMMSGQUEUE,
-              ulData);
-    ti.hwndNotify = hwndNotify;
-
-    while (WinGetMsg(hab,
-                     &qmsg, 0, 0, 0))
-    {
-        // current message for our object window?
-        if (    (qmsg.hwnd == hwndNotify)
-             && (qmsg.msg == WM_USER)
-           )
+    if (hwndNotify)
+    {
+        THREADINFO  ti = {0};
+        thrCreate(&ti,
+                  pfn,
+                  NULL,
+                  THRF_PMMSGQUEUE,
+                  ulData);
+        ti.hwndNotify = hwndNotify;
+
+        while (WinGetMsg(hab,
+                         &qmsg, 0, 0, 0))
         {
-            fQuit = TRUE;
-            ulrc = (ULONG)qmsg.mp1;
+            // current message for our object window?
+            if (    (qmsg.hwnd == hwndNotify)
+                 && (qmsg.msg == WM_USER)
+               )
+            {
+                fQuit = TRUE;
+                ulrc = (ULONG)qmsg.mp1;
+            }
+
+            WinDispatchMsg(hab, &qmsg);
+            if (fQuit)
+                break;
         }
 
-        WinDispatchMsg(hab, &qmsg);
-        if (fQuit)
-            break;
-    }
-
-    // we must wait for the thread to finish, or
-    // otherwise THREADINFO is deleted from the stack
-    // before the thread exits... will crash!
-    thrWait(&ti);
-
-    WinDestroyWindow(hwndNotify);
+        // we must wait for the thread to finish, or
+        // otherwise THREADINFO is deleted from the stack
+        // before the thread exits... will crash!
+        thrWait(&ti);
+
+        WinDestroyWindow(hwndNotify);
+    }
+
     return (ulrc);
 }
@@ -367 +371 @@
         if (pti->tid)
         {
-            DosWaitThread(&(pti->tid), DCWW_WAIT);
+            DosWaitThread(&pti->tid, DCWW_WAIT);
             pti->tid = NULLHANDLE;
             return (TRUE);