| Commit message (Collapse) | Author | Age | Files | Lines |
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Server auto-sets lower_case_file_system value based on default
datadir's behavior instead of instead of using the directory specified
by the user through the configuration file or command line options.
This patch fixes this problem.
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MemorySanitizer (clang -fsanitize=memory) requires that all code
be compiled with instrumentation enabled. The only exception is the
C runtime library. Failure to use instrumented libraries will cause
bogus messages about memory being uninitialized.
In WITH_MSAN builds, we must avoid calling getservbyname(),
because even though it is a standard library function, it is
not instrumented, not even in clang 10.
Note: Before MariaDB Server 10.5, ./mtr will typically fail
due to the old PCRE library, which was updated in MDEV-14024.
The following cmake options were tested on 10.5
in commit 94d0bb4dbeb28a94d1f87fdd55f4297ff3df0157:
cmake \
-DCMAKE_C_FLAGS='-march=native -O2' \
-DCMAKE_CXX_FLAGS='-stdlib=libc++ -march=native -O2' \
-DWITH_EMBEDDED_SERVER=OFF -DWITH_UNIT_TESTS=OFF -DCMAKE_BUILD_TYPE=Debug \
-DWITH_INNODB_{BZIP2,LZ4,LZMA,LZO,SNAPPY}=OFF \
-DPLUGIN_{ARCHIVE,TOKUDB,MROONGA,OQGRAPH,ROCKSDB,CONNECT,SPIDER}=NO \
-DWITH_SAFEMALLOC=OFF \
-DWITH_{ZLIB,SSL,PCRE}=bundled \
-DHAVE_LIBAIO_H=0 \
-DWITH_MSAN=ON
MEM_MAKE_DEFINED(): An alias for VALGRIND_MAKE_MEM_DEFINED()
and __msan_unpoison().
MEM_GET_VBITS(), MEM_SET_VBITS(): Aliases for
VALGRIND_GET_VBITS(), VALGRIND_SET_VBITS(), __msan_copy_shadow().
InnoDB: Replace the UNIV_MEM_ macros with corresponding MEM_ macros.
ut_crc32_8_hw(), ut_crc32_64_low_hw(): Use the compiler built-in
functions instead of inline assembler when building WITH_MSAN.
This will require at least -msse4.2 when building for IA-32 or AMD64.
The inline assembler would not be instrumented, and would thus cause
bogus failures.
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on startup
Services, which is registered with 2 arguments "C:\path\to\mysqld.exe service_name"
would pass non-null terminated command line to win_main(), and this
would crash in defaults handling.
Make sure win_main() gets null-terminated argv.
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and put them all together in mysqld.cc
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memleak check on server shutdown"
This reverts commit 6f1f9114971c3c158e9ac97313c92a24f6554415.
because it doesn't do anything now (the server doesn't check
my_disable_leak_check) and it never did anything before
(because without `extern` it simply created a local instance of
my_disable_leak_check, did not affect server's my_disable_leak_check).
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TIME_ZONE_ID_UNKNOWN return code from GetDynamicTimeZoneInformation()
does not mean failure.
It only means, daylight saving dates in the returned strct are not valid.
TIME_ZONE_ID_INVALID means failure, in this case "unknown" should be returned
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Supplied buffer for error string, on WolfSSL's request.
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Part of
MDEV-18353 - Shutdown may miss to wait for connection thread
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Now all access goes through _current_thd() and set_current_thd()
functions.
Some functions like THD::store_globals() can not fail now.
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fix embedded innodb_plugin tests
followup for 7198c6ab2dc
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This is a backport of the applicable part of
commit 93475aff8de80a0ef53cbee924bcb70de6e86f2c and
commit 2c39f69d34e64a5cf94720e82e78c0ee91bd4649
from 10.4.
Before 10.4 and Galera 4, WSREP_ON is a macro that points to
a global Boolean variable, so it is not that expensive to
evaluate, but we will add an unlikely() hint around it.
WSREP_ON_NEW: Remove. This macro was introduced in
commit c863159c320008676aff978a7cdde5732678f975
when reverting WSREP_ON to its previous definition.
We replace some use of WSREP_ON with WSREP(thd), like it was done
in 93475aff8de80a0ef53cbee924bcb70de6e86f2c. Note: the macro
WSREP() in 10.1 is equivalent to WSREP_NNULL() in 10.4.
Item_func_rand::seed_random(): Avoid invoking current_thd
when WSREP is not enabled.
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Since commit 7198c6ab2dc8f8286f6732824ab985a76ebaaddc
the ./mtr --embedded tests would fail to start innodb_plugin
because of an undefined reference to the symbol wsrep_log().
Let us define a stub for that function. The embedded server
is never built WITH_WSREP, but there are no separate storage
engine builds for the embedded server. Hence, by default,
the dynamic InnoDB storage engine plugin would be built WITH_WSREP
and it would fail to load into the embedded server library due to
a reference to the undefined symbol.
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mysqld_exit(): Change the assertion failure on
global_status_var.global_memory_used == 0
to fprintf, like in 0bcb65d358087bf94e217254f812f913343a6f5d
It appears that in some cases, that variable may be nonzero
even when LeakSanitizer (WITH_ASAN) would not report errors.
This was observed in 10.4 88cf6f1c7ff5d56138c8b53a5adaca4c61752f86
with the MDEV-22348 test case (Aria startup failure when running
main.default_storage_engine).
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The functional changes of commit 5836191c8f0658d5d75484766fdcc3d838b0a5c1
(MDEV-21168) are omitted due to MDEV-742 having addressed the issue.
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If the server is compiled WITH_WSREP=OFF, we should avoid evaluating
conditions on a global variable that is constant.
WSREP_ON_: Renamed from WSREP_ON. Defined only WITH_WSREP=ON.
WSREP_ON: Defined as unlikely(WSREP_ON_).
wsrep_on(): Defined as WSREP_ON && wsrep_service->wsrep_on_func().
The reason why we have wsrep_on() at all is that the macro WSREP(thd)
depends on the definition of THD, and that is intentionally an opaque
data type for InnoDB. So, we cannot avoid invoking wsrep_on(), but
we can evaluate the less expensive condition WSREP_ON before calling
the function.
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Replaced WSREP_ON macro by single global variable WSREP_ON
that is then updated at server statup and on wsrep_on and
wsrep_provider update functions.
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Part of:
MDEV-21056 Assertion `global_status_var.global_memory_used == 0'
failed upon shutdown after query with DEFAULT on a geometry
field
Fixed by changing the ASSERT for memory leaks to a printf() on
stderr. This has needed as all mutex in mysys has been deleted and we
can't call functions like my_open() anymore.
Also added printing of leaks if safemalloc is used (like we do in 10.5)
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Stop linking plugins to the server executable on Windows.
Instead, extract whole server functionality into a large DLL, called
server.dll. Link both plugins, and small server "stub" exe to it.
This eliminates plugin dependency on the name of the server executable.
It also reduces the size of the packages (since tiny mysqld.exe
and mariadbd.exe are now both linked to one big DLL)
Also, simplify the functionality of exporing all symbols from selected
static libraries. Rely on WINDOWS_EXPORT_ALL_SYMBOLS, rather than old
self-backed solution.
fix compile error
replace GetProcAddress(GetModuleHandle(NULL), "variable_name")
for server exported data with actual variable names.
Runtime loading was never required,was error prone
, since symbols could be missing at runtime, and now it actually failed,
because we do not export symbols from executable anymore, but from a shared
library
This did require a MYSQL_PLUGIN_IMPORT decoration for the plugin,
but made the code more straightforward, and avoids missing symbols at
runtime (as mentioned before).
The audit plugin is still doing some dynamic loading, as it aims to work
cross-version. Now it won't work cross-version on Windows, as it already
uses some symbols that are *not* dynamically loaded, e.g fn_format
and those symbols now exported from server.dll , when earlier they were
exported by mysqld.exe
Windows, fixes for storage engine plugin loading
after various rebranding stuff
Create server.dll containing functionality of the whole server
make mariadbd.exe/mysqld.exe a stub that is only calling mysqld_main()
fix build
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It isn't an "option" anymore.
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grooverdan/10.4-MDEV-18851-multiple-sized-large-page-support
MDEV-18851: multiple sized large page support (linux)
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MemorySanitizer (clang -fsanitize=memory) requires that all code
be compiled with instrumentation enabled. The C runtime library
is an exception. Failure to use instrumented libraries will cause
bogus messages about memory being uninitialized.
In WITH_MSAN builds, we must avoid calling getservbyname(),
because even though it is a standard library function, it is
not instrumented, not even in clang 10.
The following cmake options were tested:
-DCMAKE_C_FLAGS='-march=native -O2'
-DCMAKE_CXX_FLAGS='-stdlib=libc++ -march=native -O2'
-DWITH_EMBEDDED_SERVER=OFF -DWITH_UNIT_TESTS=OFF -DCMAKE_BUILD_TYPE=Debug
-DWITH_INNODB_{BZIP2,LZ4,LZMA,LZO,SNAPPY}=OFF
-DPLUGIN_{ARCHIVE,TOKUDB,MROONGA,OQGRAPH,ROCKSDB,CONNECT,SPIDER}=NO
-DWITH_SAFEMALLOC=OFF
-DWITH_{ZLIB,SSL,PCRE}=bundled
-DHAVE_LIBAIO_H=0
-DWITH_MSAN=ON
MEM_MAKE_DEFINED(): An alias for VALGRIND_MAKE_MEM_DEFINED()
and in the future, __msan_unpoison().
For now, neither MEM_MAKE_DEFINED() nor MEM_UNDEFINED()
perform any action under MSAN. Enabling them will catch more bugs, but
will also require some more fixes or work-arounds.
Json_writer::add_double(): Work around a frequently occurring
failure in optimizer tests, related to EXPLAIN FORMAT=JSON.
dtoa(): Disable MSAN altogether. For some reason, this function
is triggering a lot of trouble, especially when invoked for
DBUG functions. The MDL default timeout is dd=86400 seconds,
and for some reason it is claimed to be uninitialized.
InnoDB: Define UNIV_DEBUG_VALGRIND also WITH_MSAN.
ut_crc32_8_hw(), ut_crc32_64_low_hw(): Use the compiler built-in
functions instead of inline assembler when building WITH_MSAN.
This will require at least -msse4.2 when building for IA-32 or AMD64.
The inline assembler would not be instrumented, and would thus cause
bogus failures.
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Changes:
- Initalize Aria early to allow it to load mysql.plugin table with --help
- Don't print 'aborting' when doing --help
- Don't write 'loose' error messages on log_warning < 2 (2 is default)
- Don't write warnings about disabled plugings when doing --help
- Don't write aria_log_control or aria log files when doing --help
- When using --help, open all Aria tables in read only mode (safety)
- If aria_init() fails, do a cleanup(). (Frees used memory)
- If aria_log_control is locked with --help, then don't wait 30 seconds
but instead return at once without initialzing Aria plugin.
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