Commit ef6d1039 authored by Stefan Monnier's avatar Stefan Monnier
Browse files

(__default_morecore): Use bss_sbrk(), not __sbrk(), before Cygwin unexec.

parent eff27731
......@@ -352,6 +352,10 @@ Cambridge, MA 02139, USA.
#include <errno.h>
/* How to really get more memory. */
#if defined(CYGWIN)
extern __ptr_t bss_sbrk PP ((ptrdiff_t __size));
extern int bss_sbrk_did_unexec;
__ptr_t (*__morecore) PP ((ptrdiff_t __size)) = __default_morecore;
/* Debugging hook for `malloc'. */
......@@ -1572,7 +1576,14 @@ __ptr_t
__default_morecore (increment)
__malloc_ptrdiff_t increment;
__ptr_t result = (__ptr_t) __sbrk (increment);
__ptr_t result;
#if defined(CYGWIN)
if (!bss_sbrk_did_unexec)
return bss_sbrk (increment);
result = (__ptr_t) __sbrk (increment);
if (result == (__ptr_t) -1)
return NULL;
return result;
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