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Retargeting PR #1496 to Maint B.
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Introduce AlwaysReturn<void> specialization, which always discards any result
of calling the specified callable with specified args.
Derive new Windows_SEH_exception from LLException, not std::runtime_error.
Put the various SEH functions in LL::seh nested namespace, e.g.
LL::seh::catcher() as the primary API.
Break out more levels of Windows SEH handler to work around the restrictions on
functions containing __try/__except.
The triadic catcher() overload now does little save declare a std::string
stacktrace before forwarding the call to catcher_inner(), passing a reference
to stacktrace along with the trycode, filter and handler functions.
catcher_inner() accepts the stacktrace and the three function template
arguments. It contains the __try/__except logic. It calls a new filter_()
wrapper template, which calls fill_stacktrace() before forwarding the call to
the caller's filter function. fill_stacktrace(), in the .cpp file, contains
the logic to populate the stacktrace string -- unless the Structured Exception
is stack overflow, in which case it puts an explanatory string instead.
catcher_inner()'s __except clause passes not only the code, but also the
stacktrace string, to the caller's handler function. It wraps the caller's
handler function in always_return<rtype>(), where rtype is the type returned
by the trycode function. This allows a handler to return a value, while also
supporting the void handler case, e.g. one that throws a C++ exception. (This
is why we need AlwaysReturn<void>: some trycode() functions are themselves
void.)
For the dyadic catcher() overload, introduce common_filter() containing the
logic to distinguish a C++ exception from any other kind of Structured
Exception. The fact that the stacktrace is captured before the filter function
is called should permit capturing a stacktrace for a C++ exception as well as
for most other Structured Exceptions.
As before, the monadic catcher() overload supplies the rethrow() handler, in
the .cpp file.
Change existing calls from seh_catcher() to LL::seh::catcher().
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Since August 2023, we've seen occasional GitHub Windows build test runs
terminate with 0xC00000FD: stack overflow. We've usually responded by bumping
up the default coroutine stack size.
On closer examination, it's always llleap_test.cpp that blows up that way --
and llleap_test.cpp doesn't appear to use coroutines at all. So apparently
we've been consuming more address space for ALL viewer coroutines without
actually addressing the problem.
Reset the default coroutine stack size to where it was before we started
bumping it up in response to these llleap_test.cpp stack overflow failures.
Note that LLCoros already catches and reports Windows structured exceptions,
underscoring that the observed stack overflow is not from within a coroutine.
While at it, restore the Windows llleap_test.cpp data volume to match Posix.
We think the problem that led to reducing that data volume was an APR bug,
which we hope has been fixed.
Equip test.cpp, the test driver program for all our TUT unit and integration
tests, with a Windows structured exception handler. Try to treat a Windows
structured exception as a test failure -- instead of silently terminating with
0xC00000FD. Moreover, when a structured exception occurs, output a stack trace
so we can try to track it down.
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(cherry picked from commit 82d713782529074b03720833038cb0df2b8bcffd)
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LF, and trim trailing whitespaces as needed
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# Conflicts:
# indra/newview/llinventorygallery.cpp
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# Conflicts:
# indra/newview/fonts/DejaVu-license.txt
# indra/newview/fonts/DejaVuSans-Bold.ttf
# indra/newview/fonts/DejaVuSans-BoldOblique.ttf
# indra/newview/fonts/DejaVuSans-Oblique.ttf
# indra/newview/fonts/DejaVuSans.ttf
# indra/newview/fonts/DejaVuSansMono.ttf
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# Conflicts:
# indra/llcommon/CMakeLists.txt
# indra/newview/llspatialpartition.cpp
# indra/newview/llviewergenericmessage.cpp
# indra/newview/llvoavatar.cpp
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# Conflicts:
# autobuild.xml
# indra/llcommon/tests/llleap_test.cpp
# indra/newview/viewer_manifest.py
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Move hexdump() and hexmix() stream formatters to new hexdump.h for potential
use by other tests.
In toPythonUsing() helper function, add a temp file to receive Python script
debug output, and direct debug output to that file. On test failure, dump the
contents of that file to the log.
Give NamedTempFile::peep() an optional target std::ostream; refactor
implementation as peep_via() that accepts a callable to process each text
line. Add operator<<() to stream the contents of a NamedTempFile object to
ostream -- but don't use that with LL_DEBUGS(), as it flattens the file
contents into a single log line. Instead add peep_log(), which streams each
individual text line to LL_DEBUGS().
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Updated gmock complains about missing regex_t. This is likely a macos
configuration issue and needs to be fixed, but fot now just forcing the
declaration
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(cherry picked from commit 2ffbadc7a1275f662eb97ff9ce163a18cdb62c7c)
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Always search for python3[.exe] instead of plain 'python'. macOS Monterey no
longer bundles Python 2 at all.
Explicitly make PYTHON_EXECUTABLE a cached value so if the user edits it in
CMakeCache.txt, it won't be overwritten by indra/cmake/Python.cmake.
Do NOT set DYLD_LIBRARY_PATH for test executables! That has Bad Effects, as
discussed in https://stackoverflow.com/q/73418423/5533635. Instead, create
symlinks from build-mumble/sharedlibs/Resources -> Release/Resources and from
build-mumble/test/Resources -> ../sharedlibs/Release/Resources. For test
executables in sharedlibs/RelWithDebInfo and test/RelWithDebInfo, this
supports our dylibs' baked-in load path @executable_path/../Resources. That
load path assumes running in a standard app bundle (which the viewer in fact
does), but we've been avoiding creating an app bundle for every test program.
These symlinks allow us to continue doing that while avoiding
DYLD_LIBRARY_PATH.
Add indra/llcommon/apply.h. The LL::apply() function and its wrapper macro
VAPPLY were very useful in diagnosing the problem.
Tweak llleap_test.cpp. This source was modified extensively for diagnostic
purposes; these are the small improvements that remain.
(cherry picked from commit 15d37713b9113a6f70dde48c764df02c76e18cbc)
(cherry picked from commit a1adcf1905d1fbc5fe07ff5a627295ccfe461ac4)
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The claim is that the Windows Python interpreter is integrated somehow with
the OS such that a command line that tries to run Python with a script that
"looks suspicious" (i.e. in a system temp directory) fails with "Access
denied" without even loading the interpreter. At least that theory would
explain the "Access denied" errors we've been getting trying to run Python
scripts generated into the system temp directory by our integration tests.
Our hope is that generating such scripts into the GitHub RUNNER_TEMP directory
will work better.
As this test is specific to Windows, don't even bother running Mac builds.
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Using concatenation appends the intended filename to the parent directory
name, instead of putting the filename in the parent directory.
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The recommended template uses hyphens; change to underscores to be valid
Python temp module names.
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It seems the problem addressed by aab769e wasn't some synergy between
Boost.Phoenix and Boost.Function, but rather the lack of a Phoenix header file
introducing operator<<().
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from std::function, since some consumers still use (e.g.)
boost::phoenix::placeholders::arg1 to generate an inline callable.
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Newer C++ compilers have different semantics around LLSDArray's special copy
constructor, which was essential to proper LLSD nesting. In short, we can no
longer trust LLSDArray to behave correctly. Now that we have variadic
functions, get rid of LLSDArray and replace every reference with llsd::array().
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Part of his change was omly taking Release builds into account, the other
part from me made the same mistake.
Use a generator expression with a custom command to get the symlink the way
we want.
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DRTVWR-568_cmake
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Always search for python3[.exe] instead of plain 'python'. macOS Monterey no
longer bundles Python 2 at all.
Explicitly make PYTHON_EXECUTABLE a cached value so if the user edits it in
CMakeCache.txt, it won't be overwritten by indra/cmake/Python.cmake.
Do NOT set DYLD_LIBRARY_PATH for test executables! That has Bad Effects, as
discussed in https://stackoverflow.com/q/73418423/5533635. Instead, create
symlinks from build-mumble/sharedlibs/Resources -> Release/Resources and from
build-mumble/test/Resources -> ../sharedlibs/Release/Resources. For test
executables in sharedlibs/RelWithDebInfo and test/RelWithDebInfo, this
supports our dylibs' baked-in load path @executable_path/../Resources. That
load path assumes running in a standard app bundle (which the viewer in fact
does), but we've been avoiding creating an app bundle for every test program.
These symlinks allow us to continue doing that while avoiding
DYLD_LIBRARY_PATH.
Add indra/llcommon/apply.h. The LL::apply() function and its wrapper macro
VAPPLY were very useful in diagnosing the problem.
Tweak llleap_test.cpp. This source was modified extensively for diagnostic
purposes; these are the small improvements that remain.
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Remove all references to LLQueuedThread (but emulate a couple bits of its API
such as handle_t and getPending()).
Migrate ImageRequest into llimageworker.cpp. It has never been part of
LLImageDecodeThread's public API. Remove ImageRequest tests.
Remove all references to LLImageDecodeThread::pause(). The idea of pausing
another thread is bizarre to me, and LLThreadPool has no such operation. Nor
does it have an abortRequest().
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DRTVWR-543-maint_cmake
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sets the property on those.
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# Conflicts:
# indra/llcommon/llsdutil.cpp
# indra/newview/VIEWER_VERSION.txt
# indra/newview/lldrawpoolalpha.cpp
# indra/newview/lldrawpoolwater.cpp
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DRTVWR-543-maint_cmake
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- Fix usage of bugsplat::bugsplat by using ll::bugsplat
- Use bugsplat define by importing target not by using hand crafted magic
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LEGACY_STDIO_LIBS (was only used for Windows)
PTHREAD_LIBRARY (only Linux)
LLDATABASE_LIBRARIES (that one was supposed for Linux, but never needed anyway)
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compiled on.
This gets rid of the a few OS specific set and uses variables (which some even seemed mostly
duplicate like WINDOWS_LIBRARIES ans UI_LIBRARIES) and it also solves the problem of
having them to tack on every target, as of no they come as a transitive dependency from llcommon
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with the same name (that's why 3ps had names like apr::apr),
but it's safer and saner to put the LL 3ps under the ll:: prefix.
This also allows means it is possible to get rid of that bad "if( TRAGET ...) return() endif()" pattern and rather use include_guard().
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