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* dll_init.cc (dll_list::find_by_modname): New function to search the dll list

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for a module name only (no path).
(dll_list::alloc): Initialize newly-added members of struct dll.
(dll_list::append): New function to factor out the append operation
(used by dll_list::topsort).
(dll_list::populate_deps): New function to identify dll dependencies.
(dll_list::topsort): New function to sort the dll list topologically by
dependencies.
(dll_list::topsort_visit): New helper function for the above.
* dll_init.h (dll::ndeps): New class member.
(dll::deps): Ditto.
(dll::modname): Ditto.
(dll_list::find_by_modname): New function related to topsort.
(dll_list::populate_all_deps): Ditto.
(dll_list::populate_deps): Ditto.
(dll_list::topsort): Ditto.
(dll_list::topsort_visit): Ditto.
(dll_list::append): Ditto.
(pefile): New struct allowing simple introspection of dll images.
* fork.cc (fork): Topologically sort the dll list before forking
* child_info.h (CURR_CHILD_INFO_MAGIC): Refresh.
(child_info::refresh_cygheap): New function.
* spawn.cc (spawn_guts): Call refresh_cygheap before creating a new process to
ensure that cygheap_max is up-to-date.
* fork.cc (frok::parent): Ditto.
This commit is contained in:
Christopher Faylor
2011-05-30 06:52:12 +00:00
parent 3a88e09e7f
commit 977ad5434c
6 changed files with 207 additions and 35 deletions
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10
winsup/cygwin/dll_init.h
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@ -52,6 +52,9 @@ struct dll
int count;
bool has_dtors;
dll_type type;
long ndeps;
dll** deps;
PWCHAR modname;
DWORD image_size;
WCHAR name[1];
void detach ();
@ -85,6 +88,13 @@ public:
void detach (void *);
void init ();
void load_after_fork (HANDLE);
dll *find_by_modname (const PWCHAR name);
void populate_all_deps ();
void populate_deps (dll* d);
void topsort ();
void topsort_visit (dll* d, bool goto_tail);
void append (dll* d);
dll *inext ()
{
while ((hold = hold->next))