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authorIngo Struewing <ingo.struewing@sun.com>2009-09-29 17:38:40 +0200
committerIngo Struewing <ingo.struewing@sun.com>2009-09-29 17:38:40 +0200
commit4d57b851a0335ac098d46dad5b9f698ff2cd3e43 (patch)
tree685de4fd8757394edb5d353f0627eb2390ffc419 /sql/Makefile.am
parent6a89842e3642729fbac20a92a1655452f4d45487 (diff)
downloadmariadb-git-4d57b851a0335ac098d46dad5b9f698ff2cd3e43.tar.gz
WL#4259 - Debug Sync Facility
Backport from 6.0 to 5.1. Only those sync points are included, which are used in debug_sync.test. The Debug Sync Facility allows to place synchronization points in the code: open_tables(...) DEBUG_SYNC(thd, "after_open_tables"); lock_tables(...) When activated, a sync point can - Send a signal and/or - Wait for a signal Nomenclature: - signal: A value of a global variable that persists until overwritten by a new signal. The global variable can also be seen as a "signal post" or "flag mast". Then the signal is what is attached to the "signal post" or "flag mast". - send a signal: Assign the value (the signal) to the global variable ("set a flag") and broadcast a global condition to wake those waiting for a signal. - wait for a signal: Loop over waiting for the global condition until the global value matches the wait-for signal. Please find more information in the top comment in debug_sync.cc or in the worklog entry. .bzrignore: WL#4259 - Debug Sync Facility Added the symbolic link libmysqld/debug_sync.cc. CMakeLists.txt: WL#4259 - Debug Sync Facility Added definition for ENABLED_DEBUG_SYNC. configure.in: WL#4259 - Debug Sync Facility Added definition for ENABLED_DEBUG_SYNC. include/my_sys.h: WL#4259 - Debug Sync Facility Added definition for the DEBUG_SYNC_C macro. libmysqld/CMakeLists.txt: WL#4259 - Debug Sync Facility Added sql/debug_sync.cc. libmysqld/Makefile.am: WL#4259 - Debug Sync Facility Added sql/debug_sync.cc. mysql-test/include/have_debug_sync.inc: WL#4259 - Debug Sync Facility New include file. mysql-test/mysql-test-run.pl: WL#4259 - Debug Sync Facility Added option --debug_sync_timeout. mysql-test/r/debug_sync.result: WL#4259 - Debug Sync Facility New test result. mysql-test/r/have_debug_sync.require: WL#4259 - Debug Sync Facility New require file. mysql-test/t/debug_sync.test: WL#4259 - Debug Sync Facility New test file. mysys/my_static.c: WL#4259 - Debug Sync Facility Added definition for debug_sync_C_callback_ptr. mysys/thr_lock.c: WL#4259 - Debug Sync Facility Added sync point "wait_for_lock". sql/CMakeLists.txt: WL#4259 - Debug Sync Facility Added debug_sync.cc and debug_sync.h. sql/Makefile.am: WL#4259 - Debug Sync Facility Added debug_sync.cc and debug_sync.h. sql/debug_sync.cc: WL#4259 - Debug Sync Facility New source file. sql/debug_sync.h: WL#4259 - Debug Sync Facility New header file. sql/mysqld.cc: WL#4259 - Debug Sync Facility Added opt_debug_sync_timeout. Added calls to debug_sync_init() and debug_sync_end(). Fixed a purecov comment (unrelated). sql/set_var.cc: WL#4259 - Debug Sync Facility Added server variable "debug_sync". sql/set_var.h: WL#4259 - Debug Sync Facility Added declaration for server variable "debug_sync". sql/share/errmsg.txt: WL#4259 - Debug Sync Facility Added error messages ER_DEBUG_SYNC_TIMEOUT and ER_DEBUG_SYNC_HIT_LIMIT. sql/sql_base.cc: WL#4259 - Debug Sync Facility Added sync points "after_flush_unlock" and "before_lock_tables_takes_lock". sql/sql_class.cc: WL#4259 - Debug Sync Facility Added initialization for debug_sync_control to THD::THD. Added calls to debug_sync_init_thread() and debug_sync_end_thread(). sql/sql_class.h: WL#4259 - Debug Sync Facility Added element debug_sync_control to THD. storage/myisam/myisamchk.c: Fixed a typo in an error message string (unrelated).
Diffstat (limited to 'sql/Makefile.am')
-rw-r--r--sql/Makefile.am2
1 files changed, 2 insertions, 0 deletions
diff --git a/sql/Makefile.am b/sql/Makefile.am
index 2a12de2eaf6..0b22481f850 100644
--- a/sql/Makefile.am
+++ b/sql/Makefile.am
@@ -58,6 +58,7 @@ noinst_HEADERS = item.h item_func.h item_sum.h item_cmpfunc.h \
ha_ndbcluster.h ha_ndbcluster_cond.h \
ha_ndbcluster_binlog.h ha_ndbcluster_tables.h \
ha_partition.h rpl_constants.h \
+ debug_sync.h \
opt_range.h protocol.h rpl_tblmap.h rpl_utility.h \
rpl_reporting.h \
log.h sql_show.h rpl_rli.h rpl_mi.h \
@@ -102,6 +103,7 @@ mysqld_SOURCES = sql_lex.cc sql_handler.cc sql_partition.cc \
discover.cc time.cc opt_range.cc opt_sum.cc \
records.cc filesort.cc handler.cc \
ha_partition.cc \
+ debug_sync.cc \
sql_db.cc sql_table.cc sql_rename.cc sql_crypt.cc \
sql_load.cc mf_iocache.cc field_conv.cc sql_show.cc \
sql_udf.cc sql_analyse.cc sql_analyse.h sql_cache.cc \