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Style cleanups: Convert spaces to tabs, remove trailing whitespace, other

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misc cleanups.
This commit is contained in:
osku
2006-02-21 12:37:54 +00:00
parent 9596f6d82d
commit ac69f8c21b
203 changed files with 11091 additions and 11051 deletions
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56
include/buf0buf.h
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@@ -1,14 +1,14 @@
/* Innobase relational database engine; Copyright (C) 2001 Innobase Oy
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License 2
as published by the Free Software Foundation in June 1991.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License 2
along with this program (in file COPYING); if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
@@ -55,14 +55,14 @@ Created 11/5/1995 Heikki Tuuri
/* Magic value to use instead of checksums when they are disabled */
#define BUF_NO_CHECKSUM_MAGIC 0xDEADBEEFUL
extern buf_pool_t* buf_pool; /* The buffer pool of the database */
extern buf_pool_t* buf_pool; /* The buffer pool of the database */
#ifdef UNIV_DEBUG
extern ibool buf_debug_prints;/* If this is set TRUE, the program
prints info whenever read or flush
occurs */
#endif /* UNIV_DEBUG */
extern ulint srv_buf_pool_write_requests; /* variable to count write request
issued */
issued */
/************************************************************************
Creates the buffer pool. */
@@ -134,7 +134,7 @@ buf_frame_copy(
NOTE! The following macros should be used instead of buf_page_get_gen,
to improve debugging. Only values RW_S_LATCH and RW_X_LATCH are allowed
in LA! */
#define buf_page_get(SP, OF, LA, MTR) buf_page_get_gen(\
#define buf_page_get(SP, OF, LA, MTR) buf_page_get_gen(\
SP, OF, LA, NULL,\
BUF_GET, __FILE__, __LINE__, MTR)
/******************************************************************
@@ -143,13 +143,13 @@ read the contents of the page unless you know it is safe. Do not modify
the contents of the page! We have separated this case, because it is
error-prone programming not to set a latch, and it should be used
with care. */
#define buf_page_get_with_no_latch(SP, OF, MTR) buf_page_get_gen(\
#define buf_page_get_with_no_latch(SP, OF, MTR) buf_page_get_gen(\
SP, OF, RW_NO_LATCH, NULL,\
BUF_GET_NO_LATCH, __FILE__, __LINE__, MTR)
/******************************************************************
NOTE! The following macros should be used instead of buf_page_get_gen, to
improve debugging. Only values RW_S_LATCH and RW_X_LATCH are allowed as LA! */
#define buf_page_get_nowait(SP, OF, LA, MTR) buf_page_get_gen(\
#define buf_page_get_nowait(SP, OF, LA, MTR) buf_page_get_gen(\
SP, OF, LA, NULL,\
BUF_GET_NOWAIT, __FILE__, __LINE__, MTR)
/******************************************************************
@@ -380,7 +380,7 @@ buf_block_modify_clock_inc(
/* out: new value */
buf_block_t* block); /* in: block */
/************************************************************************
Returns the value of the modify clock. The caller must have an s-lock
Returns the value of the modify clock. The caller must have an s-lock
or x-lock on the block. */
UNIV_INLINE
dulint
@@ -396,12 +396,12 @@ on 32-bit and 64-bit architectures. */
ulint
buf_calc_page_new_checksum(
/*=======================*/
/* out: checksum */
byte* page); /* in: buffer page */
/* out: checksum */
byte* page); /* in: buffer page */
/************************************************************************
In versions < 4.0.14 and < 4.1.1 there was a bug that the checksum only
looked at the first few bytes of the page. This calculates that old
checksum.
checksum.
NOTE: we must first store the new formula checksum to
FIL_PAGE_SPACE_OR_CHKSUM before calculating and storing this old checksum
because this takes that field as an input! */
@@ -409,8 +409,8 @@ because this takes that field as an input! */
ulint
buf_calc_page_old_checksum(
/*=======================*/
/* out: checksum */
byte* page); /* in: buffer page */
/* out: checksum */
byte* page); /* in: buffer page */
/************************************************************************
Checks if a page is corrupt. */
@@ -648,7 +648,7 @@ Sets the io_fix flag to BUF_IO_READ and sets a non-recursive exclusive lock
on the buffer frame. The io-handler must take care that the flag is cleared
and the lock released later. This is one of the functions which perform the
state transition NOT_USED => FILE_PAGE to a block (the other is
buf_page_create). */
buf_page_create). */
buf_block_t*
buf_page_init_for_read(
@@ -704,7 +704,7 @@ buf_get_free_list_len(void);
/*=======================*/
/* The buffer control block structure */
struct buf_block_struct{
@@ -818,7 +818,7 @@ struct buf_block_struct{
/* 5. Hash search fields: NOTE that the first 4 fields are NOT
protected by any semaphore! */
ulint n_hash_helps; /* counter which controls building
of a new hash index for the page */
ulint n_fields; /* recommended prefix length for hash
@@ -830,7 +830,7 @@ struct buf_block_struct{
whether the leftmost record of several
records with the same prefix should be
indexed in the hash index */
/* These 6 fields may only be modified when we have
an x-latch on btr_search_latch AND
a) we are holding an s-latch or x-latch on block->lock or
@@ -863,9 +863,9 @@ struct buf_block_struct{
an s-latch here; so we can use the
debug utilities in sync0rw */
#endif
ibool file_page_was_freed;
/* this is set to TRUE when fsp
frees a page in buffer pool */
ibool file_page_was_freed;
/* this is set to TRUE when fsp
frees a page in buffer pool */
};
#define BUF_BLOCK_MAGIC_N 41526563
@@ -977,7 +977,7 @@ struct buf_pool_struct{
physical memory is mapped to a frame */
UT_LIST_BASE_NODE_T(buf_block_t) LRU;
/* base node of the LRU list */
buf_block_t* LRU_old; /* pointer to the about 3/8 oldest
buf_block_t* LRU_old; /* pointer to the about 3/8 oldest
blocks in the LRU list; NULL if LRU
length less than BUF_LRU_OLD_MIN_LEN */
ulint LRU_old_len; /* length of the LRU list from
@@ -1019,8 +1019,8 @@ MEMORY: is not in free list, LRU list, or flush list, nor page
FILE_PAGE: space and offset are defined, is in page hash table
if io_fix == BUF_IO_WRITE,
pool: no_flush[block->flush_type] is in reset state,
pool: n_flush[block->flush_type] > 0
pool: n_flush[block->flush_type] > 0
(1) if buf_fix_count == 0, then
is in LRU list, not in free list
is in flush list,
@@ -1029,23 +1029,23 @@ FILE_PAGE: space and offset are defined, is in page hash table
if and only if io_fix == BUF_IO_READ
is s-locked,
if and only if io_fix == BUF_IO_WRITE
(2) if buf_fix_count > 0, then
is not in LRU list, not in free list
is in flush list,
if and only if oldest_modification > 0
if io_fix == BUF_IO_READ,
if io_fix == BUF_IO_READ,
is x-locked
if io_fix == BUF_IO_WRITE,
is s-locked
State transitions:
NOT_USED => READY_FOR_USE
READY_FOR_USE => MEMORY
READY_FOR_USE => FILE_PAGE
MEMORY => NOT_USED
FILE_PAGE => NOT_USED NOTE: This transition is allowed if and only if
FILE_PAGE => NOT_USED NOTE: This transition is allowed if and only if
(1) buf_fix_count == 0,
(2) oldest_modification == 0, and
(3) io_fix == 0.