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Locking for read and write made waiting for each other (with loose

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scheme for the same thread locking).


include/my_pthread.h:
  Added variable for lock diffirentiation.
include/wqueue.h:
  New release call.
mysys/wqueue.c:
  New release call in case of read/write lock.
storage/maria/ma_pagecache.c:
  Locking for read and write made waitimg for each other.
storage/maria/unittest/Makefile.am:
  New test added.
storage/maria/unittest/ma_pagecache_consist.c:
  Fixed thread initialization in the test.
storage/maria/unittest/ma_pagecache_rwconsist.c:
  New BitKeeper file ``storage/maria/unittest/ma_pagecache_rwconsist.c''
This commit is contained in:
unknown
2008-02-22 22:32:34 +02:00
parent 3aaa0f60cd
commit 190de95f6f
7 changed files with 652 additions and 93 deletions
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4
include/my_pthread.h
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@@ -674,6 +674,9 @@ extern int pthread_dummy(int);
#endif
#endif
#define MY_PTHREAD_LOCK_READ 0
#define MY_PTHREAD_LOCK_WRITE 1
struct st_my_thread_var
{
int thr_errno;
@@ -688,6 +691,7 @@ struct st_my_thread_var
my_bool init;
struct st_my_thread_var *next,**prev;
void *opt_info;
uint lock_type; /* used by conditional release the queue */
#ifndef DBUG_OFF
void *dbug;
char name[THREAD_NAME_SIZE+1];