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* heap.cc (heap_init): Allocate heap from top down as a hedge against

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subsequent ERROR_INVALID_ADDRESS in forked processes when CTRL-C is pressed.
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Christopher Faylor
2005-09-12 03:55:16 +00:00
parent 70b4d870b5
commit 6772e4c9e9
2 changed files with 7 additions and 1 deletions
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6
winsup/cygwin/ChangeLog
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@@ -1,3 +1,9 @@
2005-09-11 Christopher Faylor <cgf@timesys.com>
* heap.cc (heap_init): Allocate heap from top down as a hedge against
subsequent ERROR_INVALID_ADDRESS in forked processes when CTRL-C is
pressed.
2005-09-09 Christopher Faylor <cgf@timesys.com> 2005-09-09 Christopher Faylor <cgf@timesys.com>
* heap.cc (heap_init): Be slightly more aggressive when trying to * heap.cc (heap_init): Be slightly more aggressive when trying to

2
winsup/cygwin/heap.cc
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@@ -47,7 +47,7 @@ heap_init ()
* to assure contiguous memory. */ * to assure contiguous memory. */
cygheap->user_heap.ptr = cygheap->user_heap.top = cygheap->user_heap.ptr = cygheap->user_heap.top =
cygheap->user_heap.base = cygheap->user_heap.base =
VirtualAlloc (NULL, cygheap->user_heap.chunk, MEM_RESERVE, PAGE_NOACCESS); VirtualAlloc (NULL, cygheap->user_heap.chunk, MEM_RESERVE | MEM_TOP_DOWN, PAGE_NOACCESS);
if (cygheap->user_heap.base) if (cygheap->user_heap.base)
break; break;
cygheap->user_heap.chunk -= 1 * 1024 * 1024; cygheap->user_heap.chunk -= 1 * 1024 * 1024;