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Refactor deferral constants into corresponding headers.

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Currently there are deferral-relevant constants in arena.c and
background_thread.c. This commit moves them out into corresponding PAC
and HPA headers. Those commonly needed by both are put into a new header
deferral.h where the contract of deferral are clearly stated.
This commit is contained in:
guangli-dai 2026-06-28 15:00:03 -07:00
parent 916d6081ee
commit 22741cfd8c
11 changed files with 65 additions and 31 deletions
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11
include/jemalloc/internal/background_thread.h
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@ -13,17 +13,6 @@
#define MAX_BACKGROUND_THREAD_LIMIT MALLOCX_ARENA_LIMIT
#define DEFAULT_NUM_BACKGROUND_THREAD 4
/*
* These exist only as a transitional state. Eventually, deferral should be
* part of the PAI, and each implementation can indicate wait times with more
* specificity.
*/
#define BACKGROUND_THREAD_HPA_INTERVAL_MAX_UNINITIALIZED (-2)
#define BACKGROUND_THREAD_HPA_INTERVAL_MAX_DEFAULT_WHEN_ENABLED 5000
#define BACKGROUND_THREAD_DEFERRED_MIN UINT64_C(0)
#define BACKGROUND_THREAD_DEFERRED_MAX UINT64_MAX
typedef enum {
background_thread_stopped,
background_thread_started,