#include "critical_section.h"
#include "connection_defs.h"
#include "connection_error.h"
#include "config.h"
#include "critical_section_tracker.hpp"
#include "dbtype.h"
#include "numeric_opfunc.h"
#include "perf_monitor.h"
#include "porting.h"
#include "resource_tracker.hpp"
#include "show_scan.h"
#include "system_parameter.h"
#include "thread_entry.hpp"
#include "thread_manager.hpp"
#include "tsc_timer.h"
#include <stdio.h>
#include <assert.h>

Include dependency graph for critical_section.c:

Classes
struct	sync_stats_chunk

Macros
#define	TOTAL_AND_MAX_TIMEVAL(total, max, elapsed)

#define	NUM_ENTRIES_OF_SYNC_STATS_BLOCK 256

Typedefs
typedef struct sync_stats_chunk	SYNC_STATS_CHUNK

Functions
static const char *	csect_name (SYNC_CRITICAL_SECTION *c)

const char *	csect_name_at (int cs_index)

static int	csect_wait_on_writer_queue (THREAD_ENTRY thread_p, SYNC_CRITICAL_SECTION csect, int timeout, struct timespec *to)

static int	csect_wait_on_promoter_queue (THREAD_ENTRY thread_p, SYNC_CRITICAL_SECTION csect, int timeout, struct timespec *to)

static int	csect_wakeup_waiting_writer (SYNC_CRITICAL_SECTION *csect)

static int	csect_wakeup_waiting_promoter (SYNC_CRITICAL_SECTION *csect)

static int	csect_demote_critical_section (THREAD_ENTRY thread_p, SYNC_CRITICAL_SECTION csect, int wait_secs)

static int	csect_promote_critical_section (THREAD_ENTRY thread_p, SYNC_CRITICAL_SECTION csect, int wait_secs)

static int	csect_check_own_critical_section (THREAD_ENTRY thread_p, SYNC_CRITICAL_SECTION csect)

static SYNC_STATS_CHUNK *	sync_allocate_sync_stats_chunk (void)

static int	sync_initialize_sync_stats_chunk (SYNC_STATS_CHUNK *sync_stats_chunk)

static SYNC_STATS *	sync_consume_sync_stats_from_pool (SYNC_STATS_CHUNK sync_stats_chunk, int idx, SYNC_PRIMITIVE_TYPE sync_prim_type, const char name)

static int	sync_return_sync_stats_to_pool (SYNC_STATS_CHUNK *sync_stats_chunk, int idx)

static SYNC_STATS *	sync_allocate_sync_stats (SYNC_PRIMITIVE_TYPE sync_prim_type, const char *name)

static int	sync_deallocate_sync_stats (SYNC_STATS *stats)

static void	sync_reset_stats_metrics (SYNC_STATS *stats)

int	csect_initialize_critical_section (SYNC_CRITICAL_SECTION csect, const char name)

int	csect_finalize_critical_section (SYNC_CRITICAL_SECTION *csect)

int	csect_initialize_static_critical_sections (void)

int	csect_finalize_static_critical_sections (void)

int	csect_enter_critical_section (THREAD_ENTRY thread_p, SYNC_CRITICAL_SECTION csect, int wait_secs)

int	csect_enter (THREAD_ENTRY *thread_p, int cs_index, int wait_secs)

int	csect_enter_critical_section_as_reader (THREAD_ENTRY thread_p, SYNC_CRITICAL_SECTION csect, int wait_secs)

int	csect_enter_as_reader (THREAD_ENTRY *thread_p, int cs_index, int wait_secs)

int	csect_demote (THREAD_ENTRY *thread_p, int cs_index, int wait_secs)

int	csect_promote (THREAD_ENTRY *thread_p, int cs_index, int wait_secs)

int	csect_exit_critical_section (THREAD_ENTRY thread_p, SYNC_CRITICAL_SECTION csect)

int	csect_exit (THREAD_ENTRY *thread_p, int cs_index)

void	csect_dump_statistics (FILE *fp)

int	csect_check_own (THREAD_ENTRY *thread_p, int cs_index)

int	csect_start_scan (THREAD_ENTRY thread_p, int show_type, DB_VALUE arg_values, int arg_cnt, void *ptr)

int	rwlock_initialize (SYNC_RWLOCK rwlock, const char name)

int	rwlock_finalize (SYNC_RWLOCK *rwlock)

int	rwlock_read_lock (SYNC_RWLOCK *rwlock)

int	rwlock_read_unlock (SYNC_RWLOCK *rwlock)

int	rwlock_write_lock (SYNC_RWLOCK *rwlock)

int	rwlock_write_unlock (SYNC_RWLOCK *rwlock)

void	rwlock_dump_statistics (FILE *fp)

int	rmutex_initialize (SYNC_RMUTEX rmutex, const char name)

int	rmutex_finalize (SYNC_RMUTEX *rmutex)

int	rmutex_lock (THREAD_ENTRY thread_p, SYNC_RMUTEX rmutex)

int	rmutex_unlock (THREAD_ENTRY thread_p, SYNC_RMUTEX rmutex)

int	sync_initialize_sync_stats (void)

int	sync_finalize_sync_stats (void)

void	rmutex_dump_statistics (FILE *fp)

void	sync_dump_statistics (FILE *fp, SYNC_PRIMITIVE_TYPE type)

Variables
SYNC_CRITICAL_SECTION	csectgl_Critical_sections [CRITICAL_SECTION_COUNT]

static const char *	csect_Names []

SYNC_STATS_CHUNK	sync_Stats

pthread_mutex_t	sync_Stats_lock

Macro Definition Documentation

#define NUM_ENTRIES_OF_SYNC_STATS_BLOCK 256

Definition at line 111 of file critical_section.c.

Referenced by rmutex_dump_statistics(), rwlock_dump_statistics(), sync_allocate_sync_stats(), sync_consume_sync_stats_from_pool(), sync_deallocate_sync_stats(), sync_initialize_sync_stats_chunk(), and sync_return_sync_stats_to_pool().

#define TOTAL_AND_MAX_TIMEVAL	(	total,
		max,
		elapsed
	)

Value:

do \
    { \
      (total).tv_sec += elapsed.tv_sec; \
      (total).tv_usec += elapsed.tv_usec; \
      (total).tv_sec += (total).tv_usec / 1000000; \
      (total).tv_usec %= 1000000; \
      if (((max).tv_sec < elapsed.tv_sec) || ((max).tv_sec == elapsed.tv_sec && (max).tv_usec < elapsed.tv_usec)) \
        { \
          (max).tv_sec = elapsed.tv_sec; \
          (max).tv_usec = elapsed.tv_usec; \
        } \
    } \
  while (0)

Definition at line 56 of file critical_section.c.

Referenced by csect_demote_critical_section(), csect_enter_critical_section(), csect_enter_critical_section_as_reader(), csect_promote_critical_section(), rmutex_lock(), rwlock_read_lock(), and rwlock_write_lock().

Typedef Documentation

typedef struct sync_stats_chunk SYNC_STATS_CHUNK

Definition at line 113 of file critical_section.c.

Function Documentation

int csect_check_own	(	THREAD_ENTRY *	thread_p,
		int	cs_index
	)

Definition at line 1549 of file critical_section.c.

References assert, CRITICAL_SECTION_COUNT, and csect_check_own_critical_section().

static int csect_check_own_critical_section	(	THREAD_ENTRY *	thread_p,
		SYNC_CRITICAL_SECTION *	csect
	)

static

Definition at line 1567 of file critical_section.c.

References ARG_FILE_LINE, assert, ER_CSS_PTHREAD_MUTEX_LOCK, ER_ERROR_SEVERITY, er_set_with_oserror(), sync_critical_section::lock, NO_ERROR, NULL, sync_critical_section::owner, pthread_mutex_lock, pthread_mutex_unlock, sync_critical_section::rwlock, and thread_get_thread_entry_info().

Referenced by csect_check_own().

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int csect_demote	(	THREAD_ENTRY *	thread_p,
		int	cs_index,
		int	wait_secs
	)

Definition at line 1147 of file critical_section.c.

References assert, CRITICAL_SECTION_COUNT, and csect_demote_critical_section().

Referenced by LOG_CS_DEMOTE().

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static int csect_demote_critical_section	(	THREAD_ENTRY *	thread_p,
		SYNC_CRITICAL_SECTION *	csect,
		int	wait_secs
	)

static

Definition at line 912 of file critical_section.c.

Referenced by csect_demote().

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void csect_dump_statistics ( FILE * fp )

Definition at line 1521 of file critical_section.c.

References CRITICAL_SECTION_COUNT, csect_name(), i, sync_stats::max_elapsed, sync_stats::nenter, sync_stats::nreenter, sync_stats::nwait, sync_critical_section::stats, sync_reset_stats_metrics(), and sync_stats::total_elapsed.

Referenced by csect_name_at(), and sync_dump_statistics().

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int csect_enter	(	THREAD_ENTRY *	thread_p,
		int	cs_index,
		int	wait_secs
	)

Definition at line 671 of file critical_section.c.

References assert, CRITICAL_SECTION_COUNT, sync_critical_section::cs_index, and csect_enter_critical_section().

int csect_enter_as_reader	(	THREAD_ENTRY *	thread_p,
		int	cs_index,
		int	wait_secs
	)

Definition at line 888 of file critical_section.c.

References assert, CRITICAL_SECTION_COUNT, sync_critical_section::cs_index, and csect_enter_critical_section_as_reader().

int csect_enter_critical_section	(	THREAD_ENTRY *	thread_p,
		SYNC_CRITICAL_SECTION *	csect,
		int	wait_secs
	)

Definition at line 471 of file critical_section.c.

References ARG_FILE_LINE, assert, sync_critical_section::cs_index, csect_name(), csect_wait_on_writer_queue(), csect_wakeup_waiting_promoter(), ER_CSS_PTHREAD_COND_SIGNAL, ER_CSS_PTHREAD_COND_WAIT, ER_CSS_PTHREAD_MUTEX_LOCK, ER_CSS_PTHREAD_MUTEX_UNLOCK, ER_ERROR_SEVERITY, er_log_debug, ER_MNT_WAITING_THREAD, ER_NOTIFICATION_SEVERITY, er_set(), er_set_with_oserror(), INF_WAIT, sync_critical_section::lock, sync_stats::max_elapsed, MONITOR_WAITING_THREAD, sync_stats::nenter, NO_ERROR, NOT_WAIT, sync_stats::nreenter, NULL, sync_stats::nwait, sync_critical_section::owner, prm_get_integer_value(), PRM_ID_MNT_WAITING_THREAD, pthread_mutex_lock, pthread_mutex_unlock, sync_critical_section::rwlock, sync_critical_section::stats, thread_get_thread_entry_info(), TOTAL_AND_MAX_TIMEVAL, sync_stats::total_elapsed, sync_critical_section::tran_index, TSC_ADD_TIMEVAL, tsc_elapsed_time_usec(), tsc_getticks(), and sync_critical_section::waiting_writers.

Referenced by csect_enter().

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int csect_enter_critical_section_as_reader	(	THREAD_ENTRY *	thread_p,
		SYNC_CRITICAL_SECTION *	csect,
		int	wait_secs
	)

Definition at line 693 of file critical_section.c.

Referenced by csect_enter_as_reader().

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int csect_exit	(	THREAD_ENTRY *	thread_p,
		int	cs_index
	)

Definition at line 1501 of file critical_section.c.

References assert, CRITICAL_SECTION_COUNT, sync_critical_section::cs_index, and csect_exit_critical_section().

int csect_exit_critical_section	(	THREAD_ENTRY *	thread_p,
		SYNC_CRITICAL_SECTION *	csect
	)

Definition at line 1373 of file critical_section.c.

References ARG_FILE_LINE, assert, sync_critical_section::cs_index, csect_wakeup_waiting_promoter(), csect_wakeup_waiting_writer(), ER_CS_UNLOCKED_BEFORE, ER_CSS_PTHREAD_COND_BROADCAST, ER_CSS_PTHREAD_COND_SIGNAL, ER_CSS_PTHREAD_MUTEX_LOCK, ER_CSS_PTHREAD_MUTEX_UNLOCK, ER_ERROR_SEVERITY, er_set(), er_set_with_oserror(), sync_critical_section::lock, NO_ERROR, NULL, sync_critical_section::owner, pthread_mutex_lock, pthread_mutex_unlock, sync_critical_section::readers_ok, sync_critical_section::rwlock, thread_get_thread_entry_info(), sync_critical_section::tran_index, and sync_critical_section::waiting_writers.

Referenced by csect_exit().

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int csect_finalize_critical_section ( SYNC_CRITICAL_SECTION * csect )

int csect_finalize_static_critical_sections ( void )

Definition at line 266 of file critical_section.c.

References assert, CRITICAL_SECTION_COUNT, sync_critical_section::cs_index, csect_finalize_critical_section(), i, and NO_ERROR.

Referenced by net_server_start().

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int csect_initialize_critical_section	(	SYNC_CRITICAL_SECTION *	csect,
		const char *	name
	)

int csect_initialize_static_critical_sections ( void )

Definition at line 240 of file critical_section.c.

References CRITICAL_SECTION_COUNT, sync_critical_section::cs_index, csect_initialize_critical_section(), csect_Names, i, and NO_ERROR.

Referenced by net_server_start().

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static const char* csect_name ( SYNC_CRITICAL_SECTION * c )

static

Definition at line 95 of file critical_section.c.

References sync_critical_section::name, and NULL.

Referenced by csect_demote_critical_section(), csect_dump_statistics(), csect_enter_critical_section(), csect_enter_critical_section_as_reader(), csect_promote_critical_section(), and csect_start_scan().

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const char* csect_name_at ( int cs_index )

Definition at line 101 of file critical_section.c.

References assert, CRITICAL_SECTION_COUNT, and csect_Names.

Referenced by cubsync::critical_section_tracker::check().

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int csect_promote	(	THREAD_ENTRY *	thread_p,
		int	cs_index,
		int	wait_secs
	)

Definition at line 1356 of file critical_section.c.

References assert, CRITICAL_SECTION_COUNT, and csect_promote_critical_section().

Referenced by LOG_CS_PROMOTE().

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static int csect_promote_critical_section	(	THREAD_ENTRY *	thread_p,
		SYNC_CRITICAL_SECTION *	csect,
		int	wait_secs
	)

static

Definition at line 1167 of file critical_section.c.

References ARG_FILE_LINE, assert, sync_critical_section::cs_index, csect_name(), csect_wait_on_promoter_queue(), ER_CSS_PTHREAD_COND_TIMEDOUT, ER_CSS_PTHREAD_COND_WAIT, ER_CSS_PTHREAD_MUTEX_LOCK, ER_CSS_PTHREAD_MUTEX_UNLOCK, ER_ERROR_SEVERITY, er_log_debug, ER_MNT_WAITING_THREAD, ER_NOTIFICATION_SEVERITY, er_set(), er_set_with_oserror(), INF_WAIT, sync_critical_section::lock, sync_stats::max_elapsed, MONITOR_WAITING_THREAD, sync_stats::nenter, NO_ERROR, NOT_WAIT, NULL, sync_stats::nwait, sync_critical_section::owner, prm_get_integer_value(), PRM_ID_MNT_WAITING_THREAD, pthread_mutex_lock, pthread_mutex_unlock, sync_critical_section::rwlock, sync_critical_section::stats, thread_get_thread_entry_info(), TOTAL_AND_MAX_TIMEVAL, sync_stats::total_elapsed, sync_critical_section::tran_index, TSC_ADD_TIMEVAL, tsc_elapsed_time_usec(), tsc_getticks(), and sync_critical_section::waiting_writers.

Referenced by csect_promote().

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int csect_start_scan	(	THREAD_ENTRY *	thread_p,
		int	show_type,
		DB_VALUE **	arg_values,
		int	arg_cnt,
		void **	ptr
	)

Definition at line 1622 of file critical_section.c.

static int csect_wait_on_promoter_queue	(	THREAD_ENTRY *	thread_p,
		SYNC_CRITICAL_SECTION *	csect,
		int	timeout,
		struct timespec *	to
	)

static

Definition at line 358 of file critical_section.c.

References assert, err, sync_critical_section::lock, NO_ERROR, NULL, THREAD_CSECT_PROMOTER_RESUMED, THREAD_CSECT_PROMOTER_SUSPENDED, THREAD_RESUME_DUE_TO_INTERRUPT, thread_suspend_with_other_mutex(), and sync_critical_section::waiting_promoters_queue.

Referenced by csect_promote_critical_section().

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static int csect_wait_on_writer_queue	(	THREAD_ENTRY *	thread_p,
		SYNC_CRITICAL_SECTION *	csect,
		int	timeout,
		struct timespec *	to
	)

static

Definition at line 289 of file critical_section.c.

References assert, err, sync_critical_section::lock, NO_ERROR, NULL, THREAD_CSECT_WRITER_RESUMED, THREAD_CSECT_WRITER_SUSPENDED, THREAD_RESUME_DUE_TO_INTERRUPT, thread_suspend_with_other_mutex(), and sync_critical_section::waiting_writers_queue.

Referenced by csect_enter_critical_section().

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static int csect_wakeup_waiting_promoter ( SYNC_CRITICAL_SECTION * csect )

static

Definition at line 446 of file critical_section.c.

References NO_ERROR, NULL, THREAD_CSECT_PROMOTER_RESUMED, thread_wakeup(), and sync_critical_section::waiting_promoters_queue.

Referenced by csect_enter_critical_section(), and csect_exit_critical_section().

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static int csect_wakeup_waiting_writer ( SYNC_CRITICAL_SECTION * csect )

static

Definition at line 427 of file critical_section.c.

References NO_ERROR, NULL, THREAD_CSECT_WRITER_RESUMED, thread_wakeup(), and sync_critical_section::waiting_writers_queue.

Referenced by csect_exit_critical_section().

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void rmutex_dump_statistics ( FILE * fp )

Definition at line 2520 of file critical_section.c.

References sync_stats_chunk::block, i, sync_stats::max_elapsed, sync_stats::name, sync_stats::nenter, sync_stats_chunk::next, sync_stats::nreenter, NULL, NUM_ENTRIES_OF_SYNC_STATS_BLOCK, sync_stats_chunk::num_entry_in_use, p, pthread_mutex_lock, pthread_mutex_unlock, sync_reset_stats_metrics(), sync_Stats, sync_Stats_lock, SYNC_TYPE_RMUTEX, sync_stats::total_elapsed, and sync_stats::type.

Referenced by csect_name_at(), and sync_dump_statistics().

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int rmutex_finalize ( SYNC_RMUTEX * rmutex )

Definition at line 2127 of file critical_section.c.

References ARG_FILE_LINE, assert, ER_CSS_PTHREAD_MUTEX_DESTROY, ER_ERROR_SEVERITY, er_set_with_oserror(), err, sync_rmutex::lock, NO_ERROR, NULL, pthread_mutex_destroy, sync_rmutex::stats, and sync_deallocate_sync_stats().

int rmutex_initialize	(	SYNC_RMUTEX *	rmutex,
		const char *	name
	)

Definition at line 2093 of file critical_section.c.

References ARG_FILE_LINE, assert, ASSERT_ERROR_AND_SET, ER_CSS_PTHREAD_MUTEX_INIT, ER_ERROR_SEVERITY, er_set_with_oserror(), sync_rmutex::lock, sync_rmutex::lock_cnt, NO_ERROR, NULL, sync_rmutex::owner, pthread_mutex_init, sync_rmutex::stats, sync_allocate_sync_stats(), and SYNC_TYPE_RMUTEX.

int rmutex_lock	(	THREAD_ENTRY *	thread_p,
		SYNC_RMUTEX *	rmutex
	)

int rmutex_unlock	(	THREAD_ENTRY *	thread_p,
		SYNC_RMUTEX *	rmutex
	)

Definition at line 2216 of file critical_section.c.

References assert, cubthread::is_single_thread(), sync_rmutex::lock, sync_rmutex::lock_cnt, NO_ERROR, NULL, sync_rmutex::owner, pthread_mutex_unlock, and thread_get_thread_entry_info().

void rwlock_dump_statistics ( FILE * fp )

Definition at line 2048 of file critical_section.c.

References sync_stats_chunk::block, i, sync_stats::max_elapsed, sync_stats::name, sync_stats::nenter, sync_stats_chunk::next, NULL, NUM_ENTRIES_OF_SYNC_STATS_BLOCK, sync_stats_chunk::num_entry_in_use, p, pthread_mutex_lock, pthread_mutex_unlock, sync_reset_stats_metrics(), sync_Stats, sync_Stats_lock, SYNC_TYPE_RWLOCK, sync_stats::total_elapsed, and sync_stats::type.

Referenced by csect_name_at(), and sync_dump_statistics().

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int rwlock_finalize ( SYNC_RWLOCK * rwlock )

Definition at line 1838 of file critical_section.c.

References ARG_FILE_LINE, assert, ER_CSS_PTHREAD_MUTEX_DESTROY, ER_ERROR_SEVERITY, er_set_with_oserror(), sync_rwlock::global_lock, sync_rwlock::name, NO_ERROR, NULL, sync_rwlock::num_readers, pthread_mutex_destroy, sync_rwlock::read_lock, sync_rwlock::stats, and sync_deallocate_sync_stats().

int rwlock_initialize	(	SYNC_RWLOCK *	rwlock,
		const char *	name
	)

Definition at line 1794 of file critical_section.c.

References ARG_FILE_LINE, assert, ASSERT_ERROR_AND_SET, ER_CSS_PTHREAD_MUTEX_INIT, ER_ERROR_SEVERITY, er_set_with_oserror(), sync_rwlock::global_lock, sync_rwlock::name, NO_ERROR, NULL, sync_rwlock::num_readers, pthread_mutex_init, sync_rwlock::read_lock, sync_rwlock::stats, sync_allocate_sync_stats(), and SYNC_TYPE_RWLOCK.

int rwlock_read_lock ( SYNC_RWLOCK * rwlock )

int rwlock_read_unlock ( SYNC_RWLOCK * rwlock )

Definition at line 1939 of file critical_section.c.

References ARG_FILE_LINE, assert, ER_CSS_PTHREAD_MUTEX_LOCK, ER_CSS_PTHREAD_MUTEX_UNLOCK, ER_ERROR_SEVERITY, er_set_with_oserror(), sync_rwlock::global_lock, NO_ERROR, NULL, sync_rwlock::num_readers, pthread_mutex_lock, pthread_mutex_unlock, and sync_rwlock::read_lock.

int rwlock_write_lock ( SYNC_RWLOCK * rwlock )

Definition at line 1991 of file critical_section.c.

References ARG_FILE_LINE, assert, ER_CSS_PTHREAD_MUTEX_LOCK, ER_ERROR_SEVERITY, er_set_with_oserror(), sync_rwlock::global_lock, sync_stats::max_elapsed, sync_stats::nenter, NO_ERROR, NULL, pthread_mutex_lock, sync_rwlock::stats, TOTAL_AND_MAX_TIMEVAL, sync_stats::total_elapsed, tsc_elapsed_time_usec(), and tsc_getticks().

int rwlock_write_unlock ( SYNC_RWLOCK * rwlock )

Definition at line 2026 of file critical_section.c.

References ARG_FILE_LINE, assert, ER_CSS_PTHREAD_MUTEX_UNLOCK, ER_ERROR_SEVERITY, er_set_with_oserror(), sync_rwlock::global_lock, NO_ERROR, NULL, and pthread_mutex_unlock.

static SYNC_STATS * sync_allocate_sync_stats	(	SYNC_PRIMITIVE_TYPE	sync_prim_type,
		const char *	name
	)

static

Definition at line 2422 of file critical_section.c.

References assert, sync_stats_chunk::block, sync_stats_chunk::hint_free_entry_idx, i, sync_stats_chunk::next, NULL, NUM_ENTRIES_OF_SYNC_STATS_BLOCK, sync_stats_chunk::num_entry_in_use, p, pthread_mutex_lock, pthread_mutex_unlock, sync_allocate_sync_stats_chunk(), sync_consume_sync_stats_from_pool(), sync_Stats, sync_Stats_lock, SYNC_TYPE_NONE, and sync_stats::type.

Referenced by csect_initialize_critical_section(), rmutex_initialize(), and rwlock_initialize().

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static SYNC_STATS_CHUNK * sync_allocate_sync_stats_chunk ( void )

static

Definition at line 2329 of file critical_section.c.

References ARG_FILE_LINE, ER_ERROR_SEVERITY, ER_OUT_OF_VIRTUAL_MEMORY, er_set(), NULL, p, and sync_initialize_sync_stats_chunk().

Referenced by sync_allocate_sync_stats().

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static SYNC_STATS * sync_consume_sync_stats_from_pool	(	SYNC_STATS_CHUNK *	sync_stats_chunk,
		int	idx,
		SYNC_PRIMITIVE_TYPE	sync_prim_type,
		const char *	name
	)

static

Definition at line 2369 of file critical_section.c.

References assert, sync_stats_chunk::block, sync_stats_chunk::hint_free_entry_idx, sync_stats::name, NULL, NUM_ENTRIES_OF_SYNC_STATS_BLOCK, sync_stats_chunk::num_entry_in_use, sync_reset_stats_metrics(), SYNC_TYPE_LAST, SYNC_TYPE_NONE, and sync_stats::type.

Referenced by sync_allocate_sync_stats().

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static int sync_deallocate_sync_stats ( SYNC_STATS * stats )

static

Definition at line 2480 of file critical_section.c.

References assert, sync_stats_chunk::block, sync_stats_chunk::next, NO_ERROR, NULL, NUM_ENTRIES_OF_SYNC_STATS_BLOCK, sync_stats_chunk::num_entry_in_use, p, pthread_mutex_lock, pthread_mutex_unlock, sync_return_sync_stats_to_pool(), sync_Stats, sync_Stats_lock, SYNC_TYPE_LAST, and sync_stats::type.

Referenced by csect_finalize_critical_section(), rmutex_finalize(), and rwlock_finalize().

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void sync_dump_statistics	(	FILE *	fp,
		SYNC_PRIMITIVE_TYPE	type
	)

Definition at line 2562 of file critical_section.c.

References csect_dump_statistics(), rmutex_dump_statistics(), rwlock_dump_statistics(), SYNC_TYPE_ALL, SYNC_TYPE_CSECT, SYNC_TYPE_RMUTEX, and SYNC_TYPE_RWLOCK.

Referenced by csect_name_at(), and sthread_dump_cs_stat().

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int sync_finalize_sync_stats ( void )

Definition at line 2295 of file critical_section.c.

References ARG_FILE_LINE, assert, ER_CSS_PTHREAD_MUTEX_DESTROY, ER_ERROR_SEVERITY, er_set_with_oserror(), free_and_init, sync_stats_chunk::next, NO_ERROR, NULL, p, pthread_mutex_destroy, sync_initialize_sync_stats_chunk(), sync_Stats, and sync_Stats_lock.

Referenced by csect_name_at(), and net_server_start().

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int sync_initialize_sync_stats ( void )

Definition at line 2273 of file critical_section.c.

References ARG_FILE_LINE, assert, ER_CSS_PTHREAD_MUTEX_INIT, ER_ERROR_SEVERITY, er_set_with_oserror(), NO_ERROR, NULL, pthread_mutex_init, sync_initialize_sync_stats_chunk(), and sync_Stats_lock.

Referenced by csect_name_at(), and net_server_start().

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static int sync_initialize_sync_stats_chunk ( SYNC_STATS_CHUNK * sync_stats_chunk )

static

Definition at line 2351 of file critical_section.c.

References assert, sync_stats_chunk::block, sync_stats_chunk::hint_free_entry_idx, sync_stats_chunk::next, NO_ERROR, NULL, NUM_ENTRIES_OF_SYNC_STATS_BLOCK, and sync_stats_chunk::num_entry_in_use.

Referenced by sync_allocate_sync_stats_chunk(), sync_finalize_sync_stats(), and sync_initialize_sync_stats().

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static void sync_reset_stats_metrics ( SYNC_STATS * stats )

static

Definition at line 2251 of file critical_section.c.

References assert, sync_stats::max_elapsed, sync_stats::nenter, sync_stats::nreenter, NULL, sync_stats::nwait, and sync_stats::total_elapsed.

Referenced by csect_dump_statistics(), rmutex_dump_statistics(), rwlock_dump_statistics(), and sync_consume_sync_stats_from_pool().

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static int sync_return_sync_stats_to_pool	(	SYNC_STATS_CHUNK *	sync_stats_chunk,
		int	idx
	)

static

Definition at line 2399 of file critical_section.c.

References assert, sync_stats_chunk::block, sync_stats_chunk::hint_free_entry_idx, sync_stats::name, NO_ERROR, NULL, NUM_ENTRIES_OF_SYNC_STATS_BLOCK, sync_stats_chunk::num_entry_in_use, SYNC_TYPE_LAST, SYNC_TYPE_NONE, and sync_stats::type.

Referenced by sync_deallocate_sync_stats().

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Variable Documentation

const char* csect_Names[]

static

Initial value:

= {
  "WFG",
  "LOG",
  "LOCATOR_CLASSNAME_TABLE",
  "QPROC_QUERY_TABLE",
  "QPROC_LIST_CACHE",
  "DISK_CHECK",
  "CNV_FMT_LEXER",
  "HEAP_CHNGUESS",
  "TRAN_TABLE",
  "CT_OID_TABLE",
  "HA_SERVER_STATE",
  "COMPACTDB_ONE_INSTANCE",
  "ACL",
  "PARTITION_CACHE",
  "EVENT_LOG_FILE",
  "LOG_ARCHIVE",
  "ACCESS_STATUS"
}

Definition at line 74 of file critical_section.c.

Referenced by csect_initialize_static_critical_sections(), and csect_name_at().

SYNC_CRITICAL_SECTION csectgl_Critical_sections[CRITICAL_SECTION_COUNT]

Definition at line 72 of file critical_section.c.

SYNC_STATS_CHUNK sync_Stats

Definition at line 122 of file critical_section.c.

Referenced by rmutex_dump_statistics(), rwlock_dump_statistics(), sync_allocate_sync_stats(), sync_deallocate_sync_stats(), and sync_finalize_sync_stats().

pthread_mutex_t sync_Stats_lock

Definition at line 123 of file critical_section.c.

Referenced by rmutex_dump_statistics(), rwlock_dump_statistics(), sync_allocate_sync_stats(), sync_deallocate_sync_stats(), sync_finalize_sync_stats(), and sync_initialize_sync_stats().

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