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postreview changes for page cache and pre review commit for loghandler

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storage/maria/unittest/test_file.c:
  Rename: unittest/mysys/test_file.c -> storage/maria/unittest/test_file.c
storage/maria/unittest/test_file.h:
  Rename: unittest/mysys/test_file.h -> storage/maria/unittest/test_file.h
include/pagecache.h:
  A waiting queue mechanism moved to separate file wqueue.*
  Pointer name changed for compatibility
mysys/Makefile.am:
  A waiting queue mechanism moved to separate file wqueue.*
mysys/mf_keycache.c:
  fixed unsigned comparison
mysys/mf_pagecache.c:
  A waiting queue mechanism moved to separate file wqueue.*
  Fixed bug in unregistering block during write
storage/maria/Makefile.am:
  The loghandler files added
storage/maria/ma_control_file.h:
  Now we have loghandler and can compile control file
storage/maria/maria_def.h:
  Including files need for compilation of maria
storage/maria/unittest/Makefile.am:
  unit tests of loghandler
storage/maria/unittest/ma_control_file-t.c:
  Used maria def
storage/maria/unittest/mf_pagecache_consist.c:
  fixed memory overrun
storage/maria/unittest/mf_pagecache_single.c:
  fixed used uninitialized memory
unittest/mysys/Makefile.am:
  unittests of pagecache moved to maria becase pagecache need loghandler
include/wqueue.h:
  New BitKeeper file ``include/wqueue.h''
mysys/wqueue.c:
  New BitKeeper file ``mysys/wqueue.c''
storage/maria/ma_loghandler.c:
  New BitKeeper file ``storage/maria/ma_loghandler.c''
storage/maria/ma_loghandler.h:
  New BitKeeper file ``storage/maria/ma_loghandler.h''
storage/maria/ma_loghandler_lsn.h:
  New BitKeeper file ``storage/maria/ma_loghandler_lsn.h''
storage/maria/unittest/ma_test_loghandler-t.c:
  New BitKeeper file ``storage/maria/unittest/ma_test_loghandler-t.c''
storage/maria/unittest/ma_test_loghandler_multigroup-t.c:
  New BitKeeper file ``storage/maria/unittest/ma_test_loghandler_multigroup-t.c''
storage/maria/unittest/ma_test_loghandler_multithread-t.c:
  New BitKeeper file ``storage/maria/unittest/ma_test_loghandler_multithread-t.c''
storage/maria/unittest/ma_test_loghandler_pagecache-t.c:
  New BitKeeper file ``storage/maria/unittest/ma_test_loghandler_pagecache-t.c''
This commit is contained in:
unknown
2007-02-02 09:41:32 +02:00
parent 5c7960965c
commit 0254009221
23 changed files with 8160 additions and 539 deletions
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167
mysys/wqueue.c Normal file
View File

@ -0,0 +1,167 @@
#include <wqueue.h>
#define STRUCT_PTR(TYPE, MEMBER, a) \
(TYPE *) ((char *) (a) - offsetof(TYPE, MEMBER))
/*
Link a thread into double-linked queue of waiting threads.
SYNOPSIS
wqueue_link_into_queue()
wqueue pointer to the queue structure
thread pointer to the thread to be added to the queue
RETURN VALUE
none
NOTES.
Queue is represented by a circular list of the thread structures
The list is double-linked of the type (**prev,*next), accessed by
a pointer to the last element.
*/
void wqueue_link_into_queue(WQUEUE *wqueue, struct st_my_thread_var *thread)
{
struct st_my_thread_var *last;
if (!(last= wqueue->last_thread))
{
/* Queue is empty */
thread->next= thread;
thread->prev= &thread->next;
}
else
{
thread->prev= last->next->prev;
last->next->prev= &thread->next;
thread->next= last->next;
last->next= thread;
}
wqueue->last_thread= thread;
}
/*
Add a thread to single-linked queue of waiting threads
SYNOPSIS
wqueue_add_to_queue()
wqueue pointer to the queue structure
thread pointer to the thread to be added to the queue
RETURN VALUE
none
NOTES.
Queue is represented by a circular list of the thread structures
The list is single-linked of the type (*next), accessed by a pointer
to the last element.
*/
void wqueue_add_to_queue(WQUEUE *wqueue, struct st_my_thread_var *thread)
{
struct st_my_thread_var *last;
if (!(last= wqueue->last_thread))
thread->next= thread;
else
{
thread->next= last->next;
last->next= thread;
}
wqueue->last_thread= thread;
}
/*
Unlink a thread from double-linked queue of waiting threads
SYNOPSIS
wqueue_unlink_from_queue()
wqueue pointer to the queue structure
thread pointer to the thread to be removed from the queue
RETURN VALUE
none
NOTES.
See NOTES for link_into_queue
*/
void wqueue_unlink_from_queue(WQUEUE *wqueue, struct st_my_thread_var *thread)
{
if (thread->next == thread)
/* The queue contains only one member */
wqueue->last_thread= NULL;
else
{
thread->next->prev= thread->prev;
*thread->prev= thread->next;
if (wqueue->last_thread == thread)
wqueue->last_thread= STRUCT_PTR(struct st_my_thread_var, next,
thread->prev);
}
thread->next= NULL;
}
/*
Remove all threads from queue signaling them to proceed
SYNOPSIS
wqueue_realease_queue()
wqueue pointer to the queue structure
thread pointer to the thread to be added to the queue
RETURN VALUE
none
NOTES.
See notes for add_to_queue
When removed from the queue each thread is signaled via condition
variable thread->suspend.
*/
void wqueue_release_queue(WQUEUE *wqueue)
{
struct st_my_thread_var *last= wqueue->last_thread;
struct st_my_thread_var *next= last->next;
struct st_my_thread_var *thread;
do
{
thread= next;
pthread_cond_signal(&thread->suspend);
next= thread->next;
thread->next= NULL;
}
while (thread != last);
wqueue->last_thread= NULL;
}
/*
Add thread and wait
SYNOPSYS
wqueue_add_and_wait()
wqueue queue to add to
thread thread which is waiting
lock mutex need for the operation
*/
void wqueue_add_and_wait(WQUEUE *wqueue,
struct st_my_thread_var *thread, pthread_mutex_t *lock)
{
DBUG_ENTER("wqueue_add_and_wait");
DBUG_PRINT("enter", ("thread ox%lxcond 0x%lx, mutex 0x%lx",
(ulong) thread, (ulong) &thread->suspend, (ulong) lock));
wqueue_add_to_queue(wqueue, thread);
do
{
DBUG_PRINT("info", ("wait... cond 0x%lx, mutex 0x%lx",
(ulong) &thread->suspend, (ulong) lock));
pthread_cond_wait(&thread->suspend, lock);
DBUG_PRINT("info", ("wait done cond 0x%lx, mutex 0x%lx, next 0x%lx",
(ulong) &thread->suspend, (ulong) lock,
(ulong) thread->next));
}
while (thread->next);
DBUG_VOID_RETURN;
}