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mdbx: rework API and Docs around Handle-Slow-Readers (no algorithmic changes).

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Change-Id: I5b76a8400ce6f5f241f8e4a7f53d746fe39f8e1e
This commit is contained in:
Leonid Yuriev
2020-09-29 19:24:57 +03:00
parent 6294e1710a
commit c8a0951566
12 changed files with 124 additions and 90 deletions
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6
src/internals.h
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@@ -989,7 +989,7 @@ struct MDBX_env {
volatile pgno_t *me_autosync_threshold;
volatile pgno_t *me_discarded_tail;
volatile uint32_t *me_meta_sync_txnid;
MDBX_oom_func *me_oom_func; /* Callback for kicking laggard readers */
MDBX_hsr_func *me_hsr_callback; /* Callback for kicking laggard readers */
struct {
#if MDBX_LOCKING > 0
mdbx_ipclock_t wlock;
@@ -1203,8 +1203,8 @@ mdbx_flush_incoherent_mmap(void *addr, size_t nbytes, const intptr_t pagesize) {
/*----------------------------------------------------------------------------*/
/* Internal prototypes */
MDBX_INTERNAL_FUNC int mdbx_reader_check0(MDBX_env *env, int rlocked,
int *dead);
MDBX_INTERNAL_FUNC int mdbx_cleanup_dead_readers(MDBX_env *env, int rlocked,
int *dead);
MDBX_INTERNAL_FUNC int mdbx_rthc_alloc(mdbx_thread_key_t *key,
MDBX_reader *begin, MDBX_reader *end);
MDBX_INTERNAL_FUNC void mdbx_rthc_remove(const mdbx_thread_key_t key);