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* cygheap.cc (cygheap_fixup_in_child): Attempt Win95 workaround.

Browse Source 
* dtable.cc (dtable::dup_worker): Add debugging output.
(dtable::vfork_child_dup): Correctly set close_on_exec.
* fhandler.cc (fhandler_base::fork_fixup): Don't mess with handle if there is
no need to get it from the parent.
* fhandler_tty.cc (fhandler_tty_common::close): Add debugging output.
This commit is contained in:
Christopher Faylor
2001-07-21 03:20:01 +00:00
parent b34f1c9f7b
commit a7670c1e82
6 changed files with 25 additions and 7 deletions
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8
winsup/cygwin/cygheap.cc
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@ -74,7 +74,7 @@ cygheap_setup_for_child (child_info *ci)
newcygheap = MapViewOfFileEx (ci->cygheap_h, FILE_MAP_READ | FILE_MAP_WRITE,
0, 0, 0, NULL);
if (!VirtualAlloc (newcygheap, n, MEM_COMMIT, PAGE_READWRITE))
api_fatal ("couldn't allocate new heap for child, %E");
api_fatal ("couldn't allocate new cygwin heap for child, %E");
memcpy (newcygheap, cygheap, n);
UnmapViewOfFile (newcygheap);
ci->cygheap = cygheap;
@ -96,9 +96,11 @@ cygheap_fixup_in_child (child_info *ci, bool execed)
DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE))
cygheap_h = ci->cygheap_h;
#endif
VirtualFree (cygheap, CYGHEAPSIZE, MEM_DECOMMIT);
VirtualFree (cygheap, 0, MEM_RELEASE);
if (MapViewOfFileEx (ci->cygheap_h, FILE_MAP_READ | FILE_MAP_WRITE,
0, 0, 0, cygheap) != cygheap)
api_fatal ("Couldn't allocate space for child's heap from %p, to %p, %E",
0, 0, CYGHEAPSIZE, cygheap) != cygheap)
api_fatal ("Couldn't allocate space for child's cygwin heap from %p, to %p, %E",
cygheap, cygheap_max);
ForceCloseHandle1 (ci->cygheap_h, passed_cygheap_h);