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-rw-r--r--storage/innobase/include/os0file.ic521
1 files changed, 286 insertions, 235 deletions
diff --git a/storage/innobase/include/os0file.ic b/storage/innobase/include/os0file.ic
index 6ca8b371093..ec90548dd64 100644
--- a/storage/innobase/include/os0file.ic
+++ b/storage/innobase/include/os0file.ic
@@ -1,7 +1,7 @@
/*****************************************************************************
-Copyright (c) 2010, 2011, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2013, SkySQL Ab. All Rights Reserved.
+Copyright (c) 2010, 2015, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2013, 2016, MariaDB Corporation.
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
@@ -27,40 +27,45 @@ Created 2/20/2010 Jimmy Yang
#include "univ.i"
#ifdef UNIV_PFS_IO
-/****************************************************************//**
-NOTE! Please use the corresponding macro os_file_create_simple(),
+/** NOTE! Please use the corresponding macro os_file_create_simple(),
not directly this function!
A performance schema instrumented wrapper function for
os_file_create_simple() which opens or creates a file.
+@param[in] key Performance Schema Key
+@param[in] name name of the file or path as a null-terminated
+ string
+@param[in] create_mode create mode
+@param[in] access_type OS_FILE_READ_ONLY or OS_FILE_READ_WRITE
+@param[in] read_only if true read only mode checks are enforced
+@param[out] success true if succeeded
+@param[in] src_file file name where func invoked
+@param[in] src_line line where the func invoked
@return own: handle to the file, not defined if error, error number
can be retrieved with os_file_get_last_error */
UNIV_INLINE
os_file_t
pfs_os_file_create_simple_func(
-/*===========================*/
- mysql_pfs_key_t key, /*!< in: Performance Schema Key */
- const char* name, /*!< in: name of the file or path as a
- null-terminated string */
- ulint create_mode,/*!< in: create mode */
- ulint access_type,/*!< in: OS_FILE_READ_ONLY or
- OS_FILE_READ_WRITE */
- ibool* success,/*!< out: TRUE if succeed, FALSE if error */
- const char* src_file,/*!< in: file name where func invoked */
- ulint src_line)/*!< in: line where the func invoked */
+ mysql_pfs_key_t key,
+ const char* name,
+ ulint create_mode,
+ ulint access_type,
+ bool read_only,
+ bool* success,
+ const char* src_file,
+ ulint src_line)
{
- os_file_t file;
- struct PSI_file_locker* locker = NULL;
PSI_file_locker_state state;
+ struct PSI_file_locker* locker = NULL;
/* register a file open or creation depending on "create_mode" */
- register_pfs_file_open_begin(&state, locker, key,
- ((create_mode == OS_FILE_CREATE)
- ? PSI_FILE_CREATE
- : PSI_FILE_OPEN),
- name, src_file, src_line);
+ register_pfs_file_open_begin(
+ &state, locker, key,
+ (create_mode == OS_FILE_CREATE)
+ ? PSI_FILE_CREATE : PSI_FILE_OPEN,
+ name, src_file, src_line);
- file = os_file_create_simple_func(name, create_mode,
- access_type, success);
+ os_file_t file = os_file_create_simple_func(
+ name, create_mode, access_type, read_only, success);
/* Regsiter the returning "file" value with the system */
register_pfs_file_open_end(locker, file);
@@ -68,394 +73,440 @@ pfs_os_file_create_simple_func(
return(file);
}
-/****************************************************************//**
-NOTE! Please use the corresponding macro
+/** NOTE! Please use the corresponding macro
os_file_create_simple_no_error_handling(), not directly this function!
A performance schema instrumented wrapper function for
os_file_create_simple_no_error_handling(). Add instrumentation to
monitor file creation/open.
+@param[in] key Performance Schema Key
+@param[in] name name of the file or path as a null-terminated
+ string
+@param[in] create_mode create mode
+@param[in] access_type OS_FILE_READ_ONLY, OS_FILE_READ_WRITE, or
+ OS_FILE_READ_ALLOW_DELETE; the last option is
+ used by a backup program reading the file
+@param[in] read_only if true read only mode checks are enforced
+@param[out] success true if succeeded
+@param[in] src_file file name where func invoked
+@param[in] src_line line where the func invoked
@return own: handle to the file, not defined if error, error number
can be retrieved with os_file_get_last_error */
UNIV_INLINE
os_file_t
pfs_os_file_create_simple_no_error_handling_func(
-/*=============================================*/
- mysql_pfs_key_t key, /*!< in: Performance Schema Key */
- const char* name, /*!< in: name of the file or path as a
- null-terminated string */
- ulint create_mode, /*!< in: file create mode */
- ulint access_type,/*!< in: OS_FILE_READ_ONLY,
- OS_FILE_READ_WRITE, or
- OS_FILE_READ_ALLOW_DELETE; the last option is
- used by a backup program reading the file */
- ibool* success,/*!< out: TRUE if succeed, FALSE if error */
- ulint atomic_writes,/*!< in: atomic writes table option
- value */
- const char* src_file,/*!< in: file name where func invoked */
- ulint src_line)/*!< in: line where the func invoked */
+ mysql_pfs_key_t key,
+ const char* name,
+ ulint create_mode,
+ ulint access_type,
+ bool read_only,
+ bool* success,
+ const char* src_file,
+ ulint src_line)
{
- os_file_t file;
- struct PSI_file_locker* locker = NULL;
PSI_file_locker_state state;
+ struct PSI_file_locker* locker = NULL;
/* register a file open or creation depending on "create_mode" */
- register_pfs_file_open_begin(&state, locker, key,
- ((create_mode == OS_FILE_CREATE)
- ? PSI_FILE_CREATE
- : PSI_FILE_OPEN),
- name, src_file, src_line);
+ register_pfs_file_open_begin(
+ &state, locker, key,
+ create_mode == OS_FILE_CREATE
+ ? PSI_FILE_CREATE : PSI_FILE_OPEN,
+ name, src_file, src_line);
- file = os_file_create_simple_no_error_handling_func(
- name, create_mode, access_type, success, atomic_writes);
+ os_file_t file = os_file_create_simple_no_error_handling_func(
+ name, create_mode, access_type, read_only, success);
register_pfs_file_open_end(locker, file);
return(file);
}
-/****************************************************************//**
-NOTE! Please use the corresponding macro os_file_create(), not directly
+/** NOTE! Please use the corresponding macro os_file_create(), not directly
this function!
A performance schema wrapper function for os_file_create().
Add instrumentation to monitor file creation/open.
+@param[in] key Performance Schema Key
+@param[in] name name of the file or path as a null-terminated
+ string
+@param[in] create_mode create mode
+@param[in] purpose OS_FILE_AIO, if asynchronous, non-buffered I/O
+ is desired, OS_FILE_NORMAL, if any normal file;
+ NOTE that it also depends on type, os_aio_..
+ and srv_.. variables whether we really us
+ async I/O or unbuffered I/O: look in the
+ function source code for the exact rules
+@param[in] read_only if true read only mode checks are enforced
+@param[out] success true if succeeded
+@param[in] src_file file name where func invoked
+@param[in] src_line line where the func invoked
@return own: handle to the file, not defined if error, error number
can be retrieved with os_file_get_last_error */
UNIV_INLINE
os_file_t
pfs_os_file_create_func(
-/*====================*/
- mysql_pfs_key_t key, /*!< in: Performance Schema Key */
- const char* name, /*!< in: name of the file or path as a
- null-terminated string */
- ulint create_mode,/*!< in: file create mode */
- ulint purpose,/*!< in: OS_FILE_AIO, if asynchronous,
- non-buffered i/o is desired,
- OS_FILE_NORMAL, if any normal file;
- NOTE that it also depends on type, os_aio_..
- and srv_.. variables whether we really use
- async i/o or unbuffered i/o: look in the
- function source code for the exact rules */
- ulint type, /*!< in: OS_DATA_FILE or OS_LOG_FILE */
- ibool* success,/*!< out: TRUE if succeed, FALSE if error */
- ulint atomic_writes, /*!< in: atomic writes table option
- value */
- const char* src_file,/*!< in: file name where func invoked */
- ulint src_line)/*!< in: line where the func invoked */
+ mysql_pfs_key_t key,
+ const char* name,
+ ulint create_mode,
+ ulint purpose,
+ ulint type,
+ bool read_only,
+ bool* success,
+ const char* src_file,
+ ulint src_line)
{
- os_file_t file;
- struct PSI_file_locker* locker = NULL;
PSI_file_locker_state state;
+ struct PSI_file_locker* locker = NULL;
/* register a file open or creation depending on "create_mode" */
- register_pfs_file_open_begin(&state, locker, key,
- ((create_mode == OS_FILE_CREATE)
- ? PSI_FILE_CREATE
- : PSI_FILE_OPEN),
- name, src_file, src_line);
+ register_pfs_file_open_begin(
+ &state, locker, key,
+ create_mode == OS_FILE_CREATE
+ ? PSI_FILE_CREATE : PSI_FILE_OPEN,
+ name, src_file, src_line);
- file = os_file_create_func(name, create_mode, purpose, type, success, atomic_writes);
+ os_file_t file = os_file_create_func(
+ name, create_mode, purpose, type, read_only, success);
register_pfs_file_open_end(locker, file);
return(file);
}
-
-/***********************************************************************//**
+/**
NOTE! Please use the corresponding macro os_file_close(), not directly
this function!
A performance schema instrumented wrapper function for os_file_close().
-@return TRUE if success */
+@param[in] file handle to a file
+@param[in] src_file file name where func invoked
+@param[in] src_line line where the func invoked
+@return true if success */
UNIV_INLINE
-ibool
+bool
pfs_os_file_close_func(
-/*===================*/
- os_file_t file, /*!< in, own: handle to a file */
- const char* src_file,/*!< in: file name where func invoked */
- ulint src_line)/*!< in: line where the func invoked */
+ os_file_t file,
+ const char* src_file,
+ ulint src_line)
{
- ibool result;
- struct PSI_file_locker* locker = NULL;
PSI_file_locker_state state;
+ struct PSI_file_locker* locker = NULL;
/* register the file close */
- register_pfs_file_io_begin(&state, locker, file, 0, PSI_FILE_CLOSE,
- src_file, src_line);
+ register_pfs_file_io_begin(
+ &state, locker, file, 0, PSI_FILE_CLOSE, src_file, src_line);
- result = os_file_close_func(file);
+ bool result = os_file_close_func(file);
register_pfs_file_io_end(locker, 0);
return(result);
}
-/*******************************************************************//**
-NOTE! Please use the corresponding macro os_aio(), not directly this
+/** NOTE! Please use the corresponding macro os_aio(), not directly this
function!
-Performance schema instrumented wrapper function of os_aio() which
-requests an asynchronous i/o operation.
-@return TRUE if request was queued successfully, FALSE if fail */
+Performance schema wrapper function of os_aio() which requests
+an asynchronous i/o operation.
+@param[in] type IO request context
+@param[in] mode IO mode
+@param[in] name Name of the file or path as NUL terminated
+ string
+@param[in] file Open file handle
+@param[out] buf buffer where to read
+@param[in] offset file offset where to read
+@param[in] n number of bytes to read
+@param[in] read_only if true read only mode checks are enforced
+@param[in,out] m1 Message for the AIO handler, (can be used to
+ identify a completed AIO operation); ignored
+ if mode is OS_AIO_SYNC
+@param[in,out] m2 message for the AIO handler (can be used to
+ identify a completed AIO operation); ignored
+ if mode is OS_AIO_SYNC
+@param[in] src_file file name where func invoked
+@param[in] src_line line where the func invoked
+@return DB_SUCCESS if request was queued successfully, FALSE if fail */
UNIV_INLINE
-ibool
+dberr_t
pfs_os_aio_func(
-/*============*/
- ulint type, /*!< in: OS_FILE_READ or OS_FILE_WRITE */
- ulint is_log, /*!< in: 1 is OS_FILE_LOG or 0 */
- ulint mode, /*!< in: OS_AIO_NORMAL etc. I/O mode */
- const char* name, /*!< in: name of the file or path as a
- null-terminated string */
- os_file_t file, /*!< in: handle to a file */
- void* buf, /*!< in: buffer where to read or from which
- to write */
- os_offset_t offset, /*!< in: file offset where to read or write */
- ulint n, /*!< in: number of bytes to read or write */
- ulint page_size, /*!< in: page size in bytes */
- fil_node_t* message1,/*!< in: message for the aio handler
- (can be used to identify a completed
- aio operation); ignored if mode is
- OS_AIO_SYNC */
- void* message2,/*!< in: message for the aio handler
- (can be used to identify a completed
- aio operation); ignored if mode is
- OS_AIO_SYNC */
+ IORequest& type,
+ ulint mode,
+ const char* name,
+ os_file_t file,
+ void* buf,
+ os_offset_t offset,
+ ulint n,
+ bool read_only,
+ fil_node_t* m1,
+ void* m2,
ulint* write_size,/*!< in/out: Actual write size initialized
after fist successfull trim
operation for this page and if
initialized we do not trim again if
actual page size does not decrease. */
- const char* src_file,/*!< in: file name where func invoked */
- ulint src_line)/*!< in: line where the func invoked */
+ const char* src_file,
+ ulint src_line)
{
- ibool result;
- struct PSI_file_locker* locker = NULL;
PSI_file_locker_state state;
+ struct PSI_file_locker* locker = NULL;
+
+ ut_ad(type.validate());
/* Register the read or write I/O depending on "type" */
- register_pfs_file_io_begin(&state, locker, file, n,
- (type == OS_FILE_WRITE)
- ? PSI_FILE_WRITE
- : PSI_FILE_READ,
- src_file, src_line);
+ register_pfs_file_io_begin(
+ &state, locker, file, n,
+ type.is_write() ? PSI_FILE_WRITE : PSI_FILE_READ,
+ src_file, src_line);
- result = os_aio_func(type, is_log, mode, name, file, buf, offset,
- n, page_size, message1, message2, write_size);
+ dberr_t result = os_aio_func(
+ type, mode, name, file, buf, offset, n, read_only, m1, m2, write_size);
register_pfs_file_io_end(locker, n);
return(result);
}
-/*******************************************************************//**
-NOTE! Please use the corresponding macro os_file_read(), not directly
+/** NOTE! Please use the corresponding macro os_file_read(), not directly
this function!
This is the performance schema instrumented wrapper function for
os_file_read() which requests a synchronous read operation.
-@return TRUE if request was successful, FALSE if fail */
+@param[in, out] type IO request context
+@param[in] file Open file handle
+@param[out] buf buffer where to read
+@param[in] offset file offset where to read
+@param[in] n number of bytes to read
+@param[in] src_file file name where func invoked
+@param[in] src_line line where the func invoked
+@return DB_SUCCESS if request was successful */
UNIV_INLINE
-ibool
+dberr_t
pfs_os_file_read_func(
-/*==================*/
- os_file_t file, /*!< in: handle to a file */
- void* buf, /*!< in: buffer where to read */
- os_offset_t offset, /*!< in: file offset where to read */
- ulint n, /*!< in: number of bytes to read */
- const char* src_file,/*!< in: file name where func invoked */
- ulint src_line)/*!< in: line where the func invoked */
+ IORequest& type,
+ os_file_t file,
+ void* buf,
+ os_offset_t offset,
+ ulint n,
+ const char* src_file,
+ ulint src_line)
{
- ibool result;
- struct PSI_file_locker* locker = NULL;
PSI_file_locker_state state;
+ struct PSI_file_locker* locker = NULL;
+
+ ut_ad(type.validate());
+
+ register_pfs_file_io_begin(
+ &state, locker, file, n, PSI_FILE_READ, src_file, src_line);
- register_pfs_file_io_begin(&state, locker, file, n, PSI_FILE_READ,
- src_file, src_line);
+ dberr_t result;
- result = os_file_read_func(file, buf, offset, n);
+ result = os_file_read_func(type, file, buf, offset, n);
register_pfs_file_io_end(locker, n);
return(result);
}
-/*******************************************************************//**
-NOTE! Please use the corresponding macro
-os_file_read_no_error_handling(), not directly this function!
+/** NOTE! Please use the corresponding macro os_file_read_no_error_handling(),
+not directly this function!
This is the performance schema instrumented wrapper function for
-os_file_read_no_error_handling() which requests a synchronous
-positioned read operation. This function does not do any error
-handling. In case of error it returns FALSE.
-@return TRUE if request was successful, FALSE if fail */
+os_file_read_no_error_handling_func() which requests a synchronous
+read operation.
+@param[in, out] type IO request context
+@param[in] file Open file handle
+@param[out] buf buffer where to read
+@param[in] offset file offset where to read
+@param[in] n number of bytes to read
+@param[out] o number of bytes actually read
+@param[in] src_file file name where func invoked
+@param[in] src_line line where the func invoked
+@return DB_SUCCESS if request was successful */
UNIV_INLINE
-ibool
+dberr_t
pfs_os_file_read_no_error_handling_func(
-/*====================================*/
- os_file_t file, /*!< in: handle to a file */
- void* buf, /*!< in: buffer where to read */
- os_offset_t offset, /*!< in: file offset where to read */
- ulint n, /*!< in: number of bytes to read */
- const char* src_file,/*!< in: file name where func invoked */
- ulint src_line)/*!< in: line where the func invoked */
+ IORequest& type,
+ os_file_t file,
+ void* buf,
+ os_offset_t offset,
+ ulint n,
+ ulint* o,
+ const char* src_file,
+ ulint src_line)
{
- ibool result;
- struct PSI_file_locker* locker = NULL;
PSI_file_locker_state state;
+ struct PSI_file_locker* locker = NULL;
- register_pfs_file_io_begin(&state, locker, file, n, PSI_FILE_READ,
- src_file, src_line);
+ register_pfs_file_io_begin(
+ &state, locker, file, n, PSI_FILE_READ, src_file, src_line);
- result = os_file_read_no_error_handling_func(file, buf, offset, n);
+ dberr_t result = os_file_read_no_error_handling_func(
+ type, file, buf, offset, n, o);
register_pfs_file_io_end(locker, n);
return(result);
}
-/*******************************************************************//**
-NOTE! Please use the corresponding macro os_file_write(), not directly
+/** NOTE! Please use the corresponding macro os_file_write(), not directly
this function!
This is the performance schema instrumented wrapper function for
os_file_write() which requests a synchronous write operation.
-@return TRUE if request was successful, FALSE if fail */
+@param[in, out] type IO request context
+@param[in] name Name of the file or path as NUL terminated
+ string
+@param[in] file Open file handle
+@param[out] buf buffer where to read
+@param[in] offset file offset where to read
+@param[in] n number of bytes to read
+@param[in] src_file file name where func invoked
+@param[in] src_line line where the func invoked
+@return DB_SUCCESS if request was successful */
UNIV_INLINE
-ibool
+dberr_t
pfs_os_file_write_func(
-/*===================*/
- const char* name, /*!< in: name of the file or path as a
- null-terminated string */
- os_file_t file, /*!< in: handle to a file */
- const void* buf, /*!< in: buffer from which to write */
- os_offset_t offset, /*!< in: file offset where to write */
- ulint n, /*!< in: number of bytes to write */
- const char* src_file,/*!< in: file name where func invoked */
- ulint src_line)/*!< in: line where the func invoked */
+ IORequest& type,
+ const char* name,
+ os_file_t file,
+ const void* buf,
+ os_offset_t offset,
+ ulint n,
+ const char* src_file,
+ ulint src_line)
{
- ibool result;
- struct PSI_file_locker* locker = NULL;
PSI_file_locker_state state;
+ struct PSI_file_locker* locker = NULL;
+
+ register_pfs_file_io_begin(
+ &state, locker, file, n, PSI_FILE_WRITE, src_file, src_line);
- register_pfs_file_io_begin(&state, locker, file, n, PSI_FILE_WRITE,
- src_file, src_line);
+ dberr_t result;
- result = os_file_write_func(name, file, buf, offset, n);
+ result = os_file_write_func(type, name, file, buf, offset, n);
register_pfs_file_io_end(locker, n);
return(result);
}
-/***********************************************************************//**
-NOTE! Please use the corresponding macro os_file_flush(), not directly
+/** NOTE! Please use the corresponding macro os_file_flush(), not directly
this function!
This is the performance schema instrumented wrapper function for
os_file_flush() which flushes the write buffers of a given file to the disk.
+Flushes the write buffers of a given file to the disk.
+@param[in] file Open file handle
+@param[in] src_file file name where func invoked
+@param[in] src_line line where the func invoked
@return TRUE if success */
UNIV_INLINE
-ibool
+bool
pfs_os_file_flush_func(
-/*===================*/
- os_file_t file, /*!< in, own: handle to a file */
- const char* src_file,/*!< in: file name where func invoked */
- ulint src_line)/*!< in: line where the func invoked */
+ os_file_t file,
+ const char* src_file,
+ ulint src_line)
{
- ibool result;
- struct PSI_file_locker* locker = NULL;
PSI_file_locker_state state;
+ struct PSI_file_locker* locker = NULL;
- register_pfs_file_io_begin(&state, locker, file, 0, PSI_FILE_SYNC,
- src_file, src_line);
- result = os_file_flush_func(file);
+ register_pfs_file_io_begin(
+ &state, locker, file, 0, PSI_FILE_SYNC, src_file, src_line);
+
+ bool result = os_file_flush_func(file);
register_pfs_file_io_end(locker, 0);
return(result);
}
-/***********************************************************************//**
-NOTE! Please use the corresponding macro os_file_rename(), not directly
+/** NOTE! Please use the corresponding macro os_file_rename(), not directly
this function!
This is the performance schema instrumented wrapper function for
os_file_rename()
-@return TRUE if success */
+@param[in] key Performance Schema Key
+@param[in] oldpath old file path as a null-terminated string
+@param[in] newpath new file path
+@param[in] src_file file name where func invoked
+@param[in] src_line line where the func invoked
+@return true if success */
UNIV_INLINE
-ibool
+bool
pfs_os_file_rename_func(
-/*====================*/
- mysql_pfs_key_t key, /*!< in: Performance Schema Key */
- const char* oldpath,/*!< in: old file path as a null-terminated
- string */
- const char* newpath,/*!< in: new file path */
- const char* src_file,/*!< in: file name where func invoked */
- ulint src_line)/*!< in: line where the func invoked */
+ mysql_pfs_key_t key,
+ const char* oldpath,
+ const char* newpath,
+ const char* src_file,
+ ulint src_line)
+
{
- ibool result;
- struct PSI_file_locker* locker = NULL;
PSI_file_locker_state state;
+ struct PSI_file_locker* locker = NULL;
- register_pfs_file_open_begin(&state, locker, key, PSI_FILE_RENAME, newpath,
- src_file, src_line);
+ register_pfs_file_open_begin(
+ &state, locker, key, PSI_FILE_RENAME, newpath,
+ src_file, src_line);
- result = os_file_rename_func(oldpath, newpath);
+ bool result = os_file_rename_func(oldpath, newpath);
register_pfs_file_open_end(locker, 0);
return(result);
}
-/***********************************************************************//**
-NOTE! Please use the corresponding macro os_file_delete(), not directly
+/** NOTE! Please use the corresponding macro os_file_delete(), not directly
this function!
This is the performance schema instrumented wrapper function for
os_file_delete()
-@return TRUE if success */
+@param[in] key Performance Schema Key
+@param[in] name old file path as a null-terminated string
+@param[in] src_file file name where func invoked
+@param[in] src_line line where the func invoked
+@return true if success */
UNIV_INLINE
bool
pfs_os_file_delete_func(
-/*====================*/
- mysql_pfs_key_t key, /*!< in: Performance Schema Key */
- const char* name, /*!< in: file path as a null-terminated
- string */
- const char* src_file, /*!< in: file name where func invoked */
- ulint src_line) /*!< in: line where the func invoked */
+ mysql_pfs_key_t key,
+ const char* name,
+ const char* src_file,
+ ulint src_line)
{
- bool result;
- struct PSI_file_locker* locker = NULL;
PSI_file_locker_state state;
+ struct PSI_file_locker* locker = NULL;
- register_pfs_file_close_begin(&state, locker, key, PSI_FILE_DELETE,
- name, src_file, src_line);
+ register_pfs_file_close_begin(
+ &state, locker, key, PSI_FILE_DELETE, name, src_file, src_line);
- result = os_file_delete_func(name);
+ bool result = os_file_delete_func(name);
register_pfs_file_close_end(locker, 0);
return(result);
}
-/***********************************************************************//**
+/**
NOTE! Please use the corresponding macro os_file_delete_if_exists(), not
directly this function!
This is the performance schema instrumented wrapper function for
os_file_delete_if_exists()
-@return TRUE if success */
+@param[in] key Performance Schema Key
+@param[in] name old file path as a null-terminated string
+@param[in] exist indicate if file pre-exist
+@param[in] src_file file name where func invoked
+@param[in] src_line line where the func invoked
+@return true if success */
UNIV_INLINE
bool
pfs_os_file_delete_if_exists_func(
-/*==============================*/
- mysql_pfs_key_t key, /*!< in: Performance Schema Key */
- const char* name, /*!< in: file path as a null-terminated
- string */
- const char* src_file, /*!< in: file name where func invoked */
- ulint src_line) /*!< in: line where the func invoked */
+ mysql_pfs_key_t key,
+ const char* name,
+ bool* exist,
+ const char* src_file,
+ ulint src_line)
{
- bool result;
- struct PSI_file_locker* locker = NULL;
PSI_file_locker_state state;
+ struct PSI_file_locker* locker = NULL;
- register_pfs_file_close_begin(&state, locker, key, PSI_FILE_DELETE,
- name, src_file, src_line);
+ register_pfs_file_close_begin(
+ &state, locker, key, PSI_FILE_DELETE, name, src_file, src_line);
- result = os_file_delete_if_exists_func(name);
+ bool result = os_file_delete_if_exists_func(name, exist);
register_pfs_file_close_end(locker, 0);
return(result);
}
#endif /* UNIV_PFS_IO */
+