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Merge bk-internal.mysql.com:/home/bk/mysql-5.1

Browse source 
into  chilla.local:/home/mydev/mysql-5.1-merge


include/my_sys.h:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_select.cc:
  Auto merged
This commit is contained in:
unknown 2006-10-19 10:15:08 +02:00
commit 8144eb5a76
13 changed files with 1155 additions and 244 deletions
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22
include/my_sys.h
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@ -341,12 +341,18 @@ typedef int (*IO_CACHE_CALLBACK)(struct st_io_cache*);
#ifdef THREAD
typedef struct st_io_cache_share
{
/* to sync on reads into buffer */
pthread_mutex_t mutex;
pthread_cond_t cond;
int count, total;
/* actual IO_CACHE that filled the buffer */
struct st_io_cache *active;
pthread_mutex_t mutex; /* To sync on reads into buffer. */
pthread_cond_t cond; /* To wait for signals. */
pthread_cond_t cond_writer; /* For a synchronized writer. */
/* Offset in file corresponding to the first byte of buffer. */
my_off_t pos_in_file;
/* If a synchronized write cache is the source of the data. */
struct st_io_cache *source_cache;
byte *buffer; /* The read buffer. */
byte *read_end; /* Behind last valid byte of buffer. */
int running_threads; /* threads not in lock. */
int total_threads; /* threads sharing the cache. */
int error; /* Last error. */
#ifdef NOT_YET_IMPLEMENTED
/* whether the structure should be free'd */
my_bool alloced;
@ -720,8 +726,8 @@ extern void setup_io_cache(IO_CACHE* info);
extern int _my_b_read(IO_CACHE *info,byte *Buffer,uint Count);
#ifdef THREAD
extern int _my_b_read_r(IO_CACHE *info,byte *Buffer,uint Count);
extern void init_io_cache_share(IO_CACHE *info,
IO_CACHE_SHARE *s, uint num_threads);
extern void init_io_cache_share(IO_CACHE *read_cache, IO_CACHE_SHARE *cshare,
IO_CACHE *write_cache, uint num_threads);
extern void remove_io_thread(IO_CACHE *info);
#endif
extern int _my_b_seq_read(IO_CACHE *info,byte *Buffer,uint Count);