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authorunknown <monty@donna.mysql.com>2000-08-15 20:09:37 +0300
committerunknown <monty@donna.mysql.com>2000-08-15 20:09:37 +0300
commit8b3993bc017512c3bf20315b12d1a8b7a6870381 (patch)
tree5f72e7444fbc3c8d944a66b54b26550a04e4f0be /mysys/thr_rwlock.c
parent99110483b2271095dd8b2cb655e3a054f6f7c5a5 (diff)
downloadmariadb-git-8b3993bc017512c3bf20315b12d1a8b7a6870381.tar.gz
Fixed for Ia64 + delayed key creation + a lot of small bug fixes
Docs/Makefile.am: Removed typo Docs/internals.texi: Added documentation about filesort Docs/manual.texi: Lots of changes, including information about the password in the mysql.user table config.h.in: ***MISSING WEAVE*** heap/hp_rnext.c: Fix of reading of read-next include/config-win.h: Fix for Ia64 include/global.h: Fix for Ia64 include/my_base.h: Fix for Ia64 include/myisam.h: New repair options isam/_dynrec.c: Typo fixes isam/_search.c: Fix for Ia64 merge/rrnd.c: Fix of ORDER BY for MERGE tables myisam/ft_eval.c: Fix for Ia64 myisam/ft_parser.c: Fix for Ia64 myisam/ft_static.c: Portability fixes myisam/mi_check.c: Fix for Ia64 + delay key creation myisam/mi_locking.c: Portability fixes myisam/myisamdef.h: Fixes for automatic table repair myisam/myisampack.c: Version number increment myisammrg/myrg_rrnd.c: Fix of ORDER BY for mymerge tables mysql.proj: Updated mysys/charset.c: Fix for Ia64 mysys/mf_casecnv.c: Fix for Ia64 mysys/mf_pack.c: Fix for Ia64 mysys/mf_path.c: Fix for Ia64 mysys/mf_wfile.c: Fix for Ia64 mysys/my_alloc.c: Fix for Ia64 mysys/my_lib.c: Fix for Ia64 mysys/my_lread.c: Fix for Ia64 mysys/my_lwrite.c: Fix for Ia64 mysys/my_winthread.c: Fix for Ia64 mysys/string.c: Fix for Ia64 mysys/thr_alarm.c: Fix for Ia64 mysys/thr_rwlock.c: Fix of scheduler bug for systems without rw_locks regex/regcomp.c: Fix for Ia64 regex/regex.h: Fix for Ia64 regex/regex2.h: Fix for Ia64 scripts/mysqlhotcopy.sh: Explicit version number (because of bitkeeper) sql-bench/bench-init.pl.sh: New help message sql-bench/server-cfg.sh: Updates for postgreSQL 7.0 sql/ChangeLog: Changelog sql/field.cc: Fix of datetime function handling sql/filesort.cc: More comments sql/gen_lex_hash.cc: More options sql/ha_berkeley.cc: Fix for part key reading sql/ha_berkeley.h: Indentation sql/ha_myisam.cc: Fix for delayed key creation sql/ha_myisam.h: Fix for delayed key creation sql/handler.h: Fix for delayed key creation sql/item_func.cc: Fix of crash when using constant expression with UDF functions in WHERE sql/item_timefunc.cc: Fix of datetime function handling sql/mini_client.cc: Portability fix sql/mysql_priv.h: Optimization of select initialization sql/mysqld.cc: Portability fixes, thread cache and min argument for connect_timeout sql/sql_load.cc: Delayed key handling sql/sql_parse.cc: Portability fixes and select initialization optimization sql/sql_select.cc: Small optimization + more comments sql/sql_table.cc: Fix default value adding to blob with alter table + delayed index creation sql/sql_yacc.yy: Optimized select initialization sql/structs.h: Fix for part key read strings/ctype-sjis.c: Fix for Ia64 strings/ctype-tis620.c: Fix for Ia64 strings/t_ctype.h: bk fix support-files/mysql.spec.sh: Added comment vio/viotest-ssl.cc: bk fix vio/viotest-sslconnect.cc: bk fix vio/viotest.cc: bk fix BitKeeper/etc/logging_ok: Logging to logging@openlogging.org accepted
Diffstat (limited to 'mysys/thr_rwlock.c')
-rw-r--r--mysys/thr_rwlock.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/mysys/thr_rwlock.c b/mysys/thr_rwlock.c
index fc2eea551da..37630956e7f 100644
--- a/mysys/thr_rwlock.c
+++ b/mysys/thr_rwlock.c
@@ -87,7 +87,7 @@ int my_rw_rdlock( rw_lock_t *rwp ) {
pthread_mutex_lock(&rwp->lock);
/* active or queued writers */
- while ( ( rwp->state < 0 ) && rwp->waiters )
+ while ( ( rwp->state < 0 ) || rwp->waiters )
pthread_cond_wait( &rwp->readers, &rwp->lock);
rwp->state++;
@@ -103,12 +103,8 @@ int my_rw_wrlock( rw_lock_t *rwp ) {
while ( rwp->state )
pthread_cond_wait( &rwp->writers, &rwp->lock);
-
rwp->state = -1;
-
- if ( ( --rwp->waiters == 0 ) && ( rwp->state >= 0 ) )
- pthread_cond_broadcast( &rwp->readers );
-
+ --rwp->waiters;
pthread_mutex_unlock( &rwp->lock );
return( 0 );