commit b64c627022f5f8175d366a2c8d81e0f05b2cc31c
author Alexandre Julliard <julliard@winehq.org> Tue Mar 30 05:13:35 2004 +0000
committer Alexandre Julliard <julliard@winehq.org> Tue Mar 30 05:13:35 2004 +0000
tree 1ba59f11c685782b62b476032926bfff4d1ebd70
parent a4e902cbe12e7a21eac99ef9ba769af8d0e1bd50

Fixed rounding bug in the stack info calculation when we don't have
pthread_getattr_np.

loader/pthread.c

diff --git a/loader/pthread.c b/loader/pthread.c
index e750843..af3386f 100644
--- a/loader/pthread.c
+++ b/loader/pthread.c
@@ -72,8 +72,8 @@
 #else
         /* assume that the stack allocation is page aligned */
         char dummy;
-        size_t page_mask = getpagesize() - 1;
-        char *stack_top = (char *)((unsigned long)(&dummy + page_mask) & ~page_mask);
+        size_t page_size = getpagesize();
+        char *stack_top = (char *)((unsigned long)&dummy & ~(page_size - 1)) + page_size;
         info->stack_base = stack_top - info->stack_size;
 #endif
     }