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merge from dev with the destroy_on_exit option

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This commit is contained in:
Daan Leijen 2022-11-21 10:03:52 -08:00
commit 163afcce75
8 changed files with 68 additions and 8 deletions
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src/init.c
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@ -627,7 +627,7 @@ static void mi_cdecl mi_process_done(void) {
#if defined(_WIN32) && !defined(MI_SHARED_LIB)
FlsFree(mi_fls_key); // call thread-done on all threads (except the main thread) to prevent dangling callback pointer if statically linked with a DLL; Issue #208
#endif
#ifndef MI_SKIP_COLLECT_ON_EXIT
#if (MI_DEBUG != 0) || !defined(MI_SHARED_LIB)
// free all memory if possible on process exit. This is not needed for a stand-alone process
@ -637,6 +637,14 @@ static void mi_cdecl mi_process_done(void) {
#endif
#endif
// Forcefully release all retained memory; this can be dangerous in general if overriding regular malloc/free
// since after process_done there might still be other code running that calls `free` (like at_exit routines,
// or C-runtime termination code.
if (mi_option_is_enabled(mi_option_destroy_on_exit)) {
_mi_heap_destroy_all(); // forcefully release all memory held by all heaps (of this thread only!)
_mi_segment_cache_free_all(&_mi_heap_main_get()->tld->os); // release all cached segments
}
if (mi_option_is_enabled(mi_option_show_stats) || mi_option_is_enabled(mi_option_verbose)) {
mi_stats_print(NULL);
}