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merge from dev-reset

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This commit is contained in:
Daan Leijen 2023-03-31 21:10:25 -07:00
commit f4e006fa76
10 changed files with 241 additions and 21 deletions
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5
include/mimalloc.h
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@ -325,7 +325,7 @@ typedef enum mi_option_e {
// (deprecated options are kept for binary backward compatibility with v1.x versions)
mi_option_eager_commit,
mi_option_deprecated_eager_region_commit,
mi_option_deprecated_reset_decommits,
mi_option_reset_decommits,
mi_option_large_os_pages, // use large (2MiB) OS pages, implies eager commit
mi_option_reserve_huge_os_pages, // reserve N huge OS pages (1GiB) at startup
mi_option_reserve_huge_os_pages_at, // reserve huge OS pages at a specific NUMA node
@ -346,7 +346,8 @@ typedef enum mi_option_e {
mi_option_segment_decommit_delay,
mi_option_decommit_extend_delay,
mi_option_destroy_on_exit,
mi_option_eager_reserve,
mi_option_arena_reserve,
mi_option_arena_purge_delay,
_mi_option_last
} mi_option_t;

11
include/mimalloc/atomic.h
View file

@ -284,6 +284,17 @@ static inline bool mi_atomic_once( mi_atomic_once_t* once ) {
return mi_atomic_cas_strong_acq_rel(once, &expected, 1); // try to set to 1
}
typedef _Atomic(uintptr_t) mi_atomic_guard_t;
// Allows only one thread to execute at a time
#define mi_atomic_guard(guard) \
uintptr_t _mi_guard_expected = 0; \
for(bool _mi_guard_once = true; \
_mi_guard_once && mi_atomic_cas_strong_acq_rel(guard,&_mi_guard_expected,1); \
(mi_atomic_store_release(guard,0), _mi_guard_once = false) )
// Yield
#if defined(__cplusplus)
#include <thread>

1
include/mimalloc/internal.h
View file

@ -117,6 +117,7 @@ void* _mi_arena_alloc(size_t size, bool* commit, bool* large, bool* is_pinn
void* _mi_arena_alloc_aligned(size_t size, size_t alignment, size_t align_offset, bool* commit, bool* large, bool* is_pinned, bool* is_zero, mi_arena_id_t req_arena_id, size_t* memid, mi_os_tld_t* tld);
bool _mi_arena_memid_is_suitable(size_t arena_memid, mi_arena_id_t request_arena_id);
bool _mi_arena_is_os_allocated(size_t arena_memid);
void _mi_arena_collect(bool free_arenas, bool force_decommit, mi_stats_t* stats);
// "segment-cache.c"
void* _mi_segment_cache_pop(size_t size, mi_commit_mask_t* commit_mask, mi_commit_mask_t* decommit_mask, bool large_allowed, bool* large, bool* is_pinned, bool* is_zero, mi_arena_id_t req_arena_id, size_t* memid, mi_os_tld_t* tld);