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* child_info.h (CURR_CHILD_INFO_MAGIC): Reset to new value.

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(child_info::cygheap_alloc_sz): New field.
* cygheap.cc (init_cheap): Reduce size of cygwin stack until minimal hit when
attempting initial allocation.
(cygheap_setup_for_child): Use alloc_sz to create secondary memory mapped
entry.  Store alloc_sz in cygheap_alloc_sz.
(cygheap_fixup_in_child): Use cygheap_alloc_sz to map parent's cygheap.
* cygheap.h (_CYGHEAPSIZE_SLOP): New define.
(CYGHEAPSIZE): Use _CYGHEAPSIZE_SLOP.
This commit is contained in:
Christopher Faylor
2004-03-18 19:30:51 +00:00
parent 891d1990ab
commit d8f87fba65
4 changed files with 33 additions and 9 deletions
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3
winsup/cygwin/child_info.h
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@@ -29,7 +29,7 @@ enum
#define EXEC_MAGIC_SIZE sizeof(child_info)
#define CURR_CHILD_INFO_MAGIC 0x4239088U
#define CURR_CHILD_INFO_MAGIC 0x70172124U
/* NOTE: Do not make gratuitous changes to the names or organization of the
below class. The layout is checksummed to determine compatibility between
@@ -49,6 +49,7 @@ public:
HANDLE pppid_handle;
init_cygheap *cygheap;
void *cygheap_max;
DWORD cygheap_alloc_sz;
HANDLE cygheap_h;
unsigned fhandler_union_cb;
};