Mercurial > dwindows

changeset 1781:a532ca0231ad

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Attempt at fixing the issue noted in the last commit. Seems the issue is stack related using VAC3.6... We are supposed to allocate the stack in 4K blocks on OS/2, so clamp the requested amount to a multiple of 4K that is at least as big as the amount requested.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Thu, 19 Jul 2012 19:46:35 +0000
parents d1f65efea6b1
children d056a50196a9
files os2/dw.c
diffstat 1 files changed, 13 insertions(+), 6 deletions(-) [+]
line wrap: on
line diff
--- a/os2/dw.c	Thu Jul 19 09:25:13 2012 +0000
+++ b/os2/dw.c	Thu Jul 19 19:46:35 2012 +0000
@@ -11623,12 +11623,19 @@
  */
 DWTID API dw_thread_new(void *func, void *data, int stack)
 {
-   void **tmp = malloc(sizeof(void *) * 2);
-
-   tmp[0] = func;
-   tmp[1] = data;
-
-   return (DWTID)_beginthread((void (*)(void *))_dwthreadstart, NULL, stack, (void *)tmp);
+    void **tmp = malloc(sizeof(void *) * 2);
+    int z = 1;
+
+    /* Clamp the stack size to 4K blocks...
+     * since some CRTs require it (VAC)
+     */
+    while(stack > (4096*z))
+        z++;
+
+    tmp[0] = func;
+    tmp[1] = data;
+
+    return (DWTID)_beginthread((void (*)(void *))_dwthreadstart, NULL, (z*4096), (void *)tmp);
 }
 
 /*