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* debug.h (ModifyHandle): Define new macro.

Browse Source 
(modify_handle): Declare new function.
* debug.cc (modify_handle): Define new function.
* fhandler.h (fhandler_base::fork_fixup): Change return value from void to
bool.
* fhandler.cc (fhandler_base::fork_fixup): Return true if fork fixup has been
done.
* pipe.cc (fhandler_pipe::set_close_on_exec): Set inheritance of protected
handle via ModifyHandle if DEBUGGING.
(fhandler_pipe::fixup_after_fork): Protect guard handle if fork fixup has been
done.
This commit is contained in:
Christopher Faylor
2006-05-25 05:40:51 +00:00
parent 38229bcdcf
commit 3cd94e0c0a
6 changed files with 50 additions and 8 deletions
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12
winsup/cygwin/fhandler.cc
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@ -1464,17 +1464,23 @@ fhandler_base::set_no_inheritance (HANDLE &h, int not_inheriting)
#endif
}
void
bool
fhandler_base::fork_fixup (HANDLE parent, HANDLE &h, const char *name)
{
HANDLE oh = h;
bool res = false;
if (/* !is_socket () && */ !close_on_exec ())
debug_printf ("handle %p already opened", h);
else if (!DuplicateHandle (parent, h, hMainProc, &h, 0, !close_on_exec (),
DUPLICATE_SAME_ACCESS))
system_printf ("%s - %E, handle %s<%p>", get_name (), name, h);
else if (oh != h)
VerifyHandle (h);
else
{
if (oh != h)
VerifyHandle (h);
res = true;
}
return res;
}
void