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* child_info.h (child_info::cygheap_h): Delete.

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(child_info::dwProcessId): New field.
* cygheap.cc (init_cheap): Delete.
(dup_now): Ditto.
(cygheap_setup_for_child): Ditto.
(cygheap_setup_for_child_cleanup): Ditto.
(cygheap_fixup_in_child): Simplify.  Use new "child_copy" function to copy heap
from parent.
(_csbrk): Don't attempt allocation if within cygheap section.  Fix so that more
than one allocation will succeed.
(cygheap_init): Reset possibly-nonzero region to zero.
* cygheap.h (cygheap_setup_for_child): Delete declaration.
(cygheap_setup_for_child_cleanup): Ditto.
(cygheap_start): Define as an array.
* cygwin.sc: Modernize.  Remove unneeded sections.  Define cygheap here.
* dcrt0.cc (do_exit): Reflect argument change to close_all_files.
* dtable.cc (dtable::vfork_parent_restore): Ditto.
* dtable.h: Ditto.
* fhandler.h: Ditto.
* fork.cc (fork_copy): Call ReadProcessMemory if there is no thread
(indicating that we're execing).
(fork_child): Don't mess with hParent.
(fork_parent): Remove hParent stuff.  It happens earlier now.  Remove call to
cygheap_setup_for_child* stuff.
(fork): Put child_info_stuff in grouped structure.  Issue error if parent
handle is not set.
(child_copy): New function.
* sigproc.cc (child_info::child_info): Put cygheap settings here.  Set parent
handle.
(child_info::~child_info): Close parent handle if it exists.
* spawn.cc (spawn_guts): Reorganize so that ciresrv is allocated at only the
last minute so that cygheap changes are reflected.  Delete cygheap_setup*
calls.
* syscalls.cc (close_all_files): Add an argument to flag when the fd entry
should be released.
* winsup.h (close_all_files): Add an argument to close_all_files declaration.
Declare child_copy.
This commit is contained in:
Christopher Faylor
2005-06-01 03:46:56 +00:00
parent 302cb8165e
commit ce95c6407e
14 changed files with 202 additions and 280 deletions
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4
winsup/cygwin/cygheap.h
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@@ -416,8 +416,6 @@ class cygheap_fdenum : public cygheap_fdmanip
};
class child_info;
void *__stdcall cygheap_setup_for_child (child_info *ci, bool dup_later) __attribute__ ((regparm(2)));
void __stdcall cygheap_setup_for_child_cleanup (void *, child_info *, bool) __attribute__ ((regparm(3)));
void __stdcall cygheap_fixup_in_child (bool);
extern "C" {
void __stdcall cfree (void *) __attribute__ ((regparm(1)));
@@ -428,5 +426,5 @@ char *__stdcall cstrdup (const char *) __attribute__ ((regparm(1)));
char *__stdcall cstrdup1 (const char *) __attribute__ ((regparm(1)));
void __stdcall cfree_and_set (char *&, char * = NULL) __attribute__ ((regparm(2)));
void __stdcall cygheap_init ();
extern DWORD _cygheap_start __attribute__((section(".cygheap")));
extern char _cygheap_start[] __attribute__((section(".idata")));
}