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To use:
- Compile with -DUSE_MY_LIKELY
- Change (with replace) all likely/unlikely to my_likely/my_/unlikely
replace likely my_likely unlikely my_unlikely -- *c *h
- Start mysqld with -T
- run some test
- When mysqld has shut down cleanely, report will be on stderr
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Found via `codespell -i 3 -w --skip="./debian/po" -I ../mariadb-server-word-whitelist.txt ./cmake/ ./debian/ ./Docs/ ./include/ ./man/ ./plugin/ ./strings/`
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server files
For RemoteDatafile::read_link_file and buffer poool dumps
Note: STR_O_CLOEXEC needs to be at the end of the fopen otherwise
fopen will return EINVAL.
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Resolving a stacktrace including functions in dynamic libraries requires
us to look inside the libraries for the symbols. Addr2line needs to be
started with the correct binary for each address on the stack. To do this,
figure out which library it is using dladdr, then if the addr2line
binary was started with a different binary, fork it again with the
correct one.
We only have one addr2line process running at any point during the
stacktrace resolving step. The maximum number of forks for addr2line should
generally be around 6.
One for server stacktrace code, one for plugin code, one when going back
into server code, one for pthread library, one for libc, one for the
_start function in the server. More can come up if plugin calls server
function which goes back to a plugin, etc.
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This commit does not touch any variable names or any other actual code,
and thus should not in any way affect how the code works.
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THREE BYTES ON X86
Analysis:
=========
The macro uint3korr reads 4 bytes of data instead of 3 on
on x86 machines.
Multiple definitions were created for this macro for
optimization in WIN32. The idea was to optimize reading of
3 byte ints by reading an ordinary int and masking away the
unused byte. However this is an undefined behavior. It will
be an issue unless users are aware of allocating an extra
byte for using this macro.
Fix:
====
Removing the definition which reads 4 bytes of data. The
only definition of this macro would now read just 3 bytes
of data thus prohibiting the usage of an extra byte.
Note:
=====
This is a backport of Patches #5 and #6 for Bug#17922198.
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Backport to 5.5
(external Bug#69407 Build warnings with mysql)
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The LGPL license is used in some legacy code, and to
adhere to current licensing polity, we remove those
files that are no longer used, and reorganize the
remaining LGPL code so it will be GPL licensed from
now on.
Note: This patch only removed LGPL licensed files
in MySQL 5.1, and is the second of a set of
patches to remove LGPL from all trees.
(See Bug# 11840513 for details)
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and cryptic error 1126 message
The problem was that dlopen() related code was using just a subset
of the path normalization routines used in other places.
Fixed the expansion of the pre-dlopen() behavior for plugins and UDFs
to use a platform-dependent consistent encoding of the paths.
Fixed the error dlopen() error handling to take the correct error message
and strip off the trailing newline character(s).
Fixed tests to do a platform independent replace of directories and to
account for the traling slash.
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This patch adds a new client utility that enables or disables plugin
features. The utility disables or enables a plugin using values (name,
soname, and symbols) provided via a configuration file by the same name.
For example, to ENABLE the daemon_example plugin, the utility will read
the daemon_example.ini configuration file and use the values contained to
enable or disable the plugin.
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The LGPL license is used in some legacy code, and to
adhere to current licensing polity, we remove those
files that are no longer used, and reorganize the
remaining LGPL code so it will be GPL licensed from
now on.
Note: This patch only removed LGPL licensed files
in MySQL 5.5 and later, and is the third of a
set of patches to remove LGPL from all trees.
(See Bug# 11840513 for details)
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in a long time and is just confusing.
At the same time backport the removal of OPT_NDB_CONNECTSTRING and OPT_NDBCLUSTER values from "enum options_client"
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and 'THREAD_SAFE_CLIENT'.
As of MySQL 5.5, we no longer support non-threaded
builds. This patch removes all references to the
obsolete THREAD and THREAD_SAFE_CLIENT preprocessor
symbols. These were used to distinguish between
threaded and non-threaded builds.
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Adding symbol FN_DIRSEP to Windows as well.
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When installing plugins, there is a missing check
for slash (/) in the path on Windows. Note that on
Windows, both / and \ can be used to separate
directories.
This patch fixes the issue by:
- Adding a FN_DIRSEP symbol for all platforms
consisting of a string of legal directory
separators.
- Adding a charset-aware version of strcspn().
- Adding a check_valid_path() function that uses
my_strcspn() to check if any FN_DIRSEP character
is in the supplied string.
- Using the check_valid_path() function in
sql_plugin.cc and sql_udf.cc (which means
replacing the existing test there).
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- fix ~20 warnings about redefinition of HAVE_DLOPEN
This was caused by new ADD_DEFINITIONS(-DHAVE_DLOPEN) inside client library CMakeLists.txt
- fix dlerror() message which ("static build?" ) which is only confusing on Windows,
there is no "static build"
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Quoting from the bug report:
The pstack library has been included in MySQL since version
4.0.0. It's useless and should be removed.
Details: According to its own documentation, pstack only works
on Linux on x86 in 32 bit mode and requires LinuxThreads and a
statically linked binary. It doesn't really support any Linux
from 2003 or later and doesn't work on any other OS.
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Merged the implementation to a new base tree.
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Remove wrappers around inline -- static inline is used without
wrappers throughout the source code. We rely on the compiler or
linker to eliminate unused static functions.
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Remove workarounds for ancient systems.
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Remove unused macros or macro which are always defined.
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Remove the obsolete and buggy bmove512, use memcpy instead.
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Remove the ancient and dead raid code. By now, even the server side
has been removed.
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Remove Windows related files which aren't used anymore.
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Remove QNX specific code.
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Remove MS-DOS specific code.
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