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wt_thd_lazy_init(), per-thread deadlock search depths and timeouts

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mysys/array.c:
  lazy alloc in dynamic array
sql-common/client.c:
  for dynamic array, specify init_alloc==alloc_increment explicitly
sql/mysqld.cc:
  per-thread deadlock search depths and timeouts
sql/set_var.cc:
  per-thread deadlock search depths and timeouts
sql/sql_class.h:
  per-thread deadlock search depths and timeouts
This commit is contained in:
Sergei Golubchik
2008-08-08 13:11:27 +02:00
parent f8c1059cbf
commit e2219ec965
8 changed files with 112 additions and 62 deletions
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10
include/waiting_threads.h
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@@ -38,9 +38,6 @@ struct st_wt_resource_id {
} value;
};
extern uint wt_timeout_short, wt_deadlock_search_depth_short;
extern uint wt_timeout_long, wt_deadlock_search_depth_long;
#define WT_WAIT_STATS 24
#define WT_CYCLE_STATS 32
extern ulonglong wt_wait_table[WT_WAIT_STATS];
@@ -105,6 +102,11 @@ typedef struct st_wt_thd {
*/
WT_RESOURCE *waiting_for;
LF_PINS *pins;
/* pointers to values */
ulong *timeout_short, *deadlock_search_depth_short;
ulong *timeout_long, *deadlock_search_depth_long;
/*
weight relates to the desirability of a transaction being killed if it's
part of a deadlock. In a deadlock situation transactions with lower weights
@@ -149,7 +151,7 @@ typedef struct st_wt_thd {
void wt_init(void);
void wt_end(void);
void wt_thd_init(WT_THD *);
void wt_thd_lazy_init(WT_THD *, ulong *, ulong *, ulong *, ulong *);
void wt_thd_destroy(WT_THD *);
int wt_thd_will_wait_for(WT_THD *, WT_THD *, WT_RESOURCE_ID *);
int wt_thd_dontwait(WT_THD *);