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-rw-r--r--indra/llcommon/always_return.h16
-rw-r--r--indra/llcommon/llexception.cpp44
-rw-r--r--indra/llcommon/llexception.h114
-rw-r--r--indra/llcommon/llsdjson.cpp4
-rw-r--r--indra/llcommon/llwin32headers.h1
5 files changed, 20 insertions, 159 deletions
diff --git a/indra/llcommon/always_return.h b/indra/llcommon/always_return.h
index b99eb49096..a206471da5 100644
--- a/indra/llcommon/always_return.h
+++ b/indra/llcommon/always_return.h
@@ -79,22 +79,6 @@ namespace LL
DESIRED mDefault;
};
- // specialize for AlwaysReturn<void>
- template <>
- struct AlwaysReturn<void>
- {
- public:
- AlwaysReturn() {}
-
- // callable returns a type not convertible to DESIRED, return default
- template <typename CALLABLE, typename... ARGS>
- void operator()(CALLABLE&& callable, ARGS&&... args)
- {
- // discard whatever callable(args) returns
- std::forward<CALLABLE>(callable)(std::forward<ARGS>(args)...);
- }
- };
-
/**
* always_return<T>(some_function, some_args...) calls
* some_function(some_args...). It is guaranteed to return a value of type
diff --git a/indra/llcommon/llexception.cpp b/indra/llcommon/llexception.cpp
index 107fdc2b2d..c0154a569f 100644
--- a/indra/llcommon/llexception.cpp
+++ b/indra/llcommon/llexception.cpp
@@ -15,12 +15,7 @@
#include "llexception.h"
// STL headers
// std headers
-#include <iomanip>
-#include <sstream>
#include <typeinfo>
-#if LL_WINDOWS
-#include <excpt.h>
-#endif // LL_WINDOWS
// external library headers
#include <boost/exception/diagnostic_information.hpp>
#include <boost/exception/error_info.hpp>
@@ -34,6 +29,7 @@
// On Windows, header-only implementation causes macro collisions -- use
// prebuilt library
#define BOOST_STACKTRACE_LINK
+#include <excpt.h>
#endif // LL_WINDOWS
#include <boost/stacktrace.hpp>
@@ -98,47 +94,25 @@ void annotate_exception_(boost::exception& exc)
// For windows SEH exception handling we sometimes need a filter that will
// separate C++ exceptions from C SEH exceptions
-static constexpr U32 STATUS_MSC_EXCEPTION = 0xE06D7363; // compiler specific
-static constexpr U32 STATUS_STACK_FULL = 0xC00000FD;
+static const U32 STATUS_MSC_EXCEPTION = 0xE06D7363; // compiler specific
-void LL::seh::fill_stacktrace(std::string& stacktrace, U32 code)
+U32 msc_exception_filter(U32 code, struct _EXCEPTION_POINTERS *exception_infop)
{
- // Sadly, despite its diagnostic importance, trying to capture a
- // stacktrace when the stack is already blown only terminates us faster.
- if (code == STATUS_STACK_FULL)
- {
- stacktrace = "(stack overflow, no traceback)";
- }
- else
- {
- stacktrace = to_string(boost::stacktrace::stacktrace());
- }
-}
+ const auto stack = to_string(boost::stacktrace::stacktrace());
+ LL_WARNS() << "SEH Exception handled (that probably shouldn't be): Code " << code
+ << "\n Stack trace: \n"
+ << stack << LL_ENDL;
-U32 LL::seh::common_filter(U32 code, struct _EXCEPTION_POINTERS*)
-{
if (code == STATUS_MSC_EXCEPTION)
{
- // C++ exception, don't stop at this handler
+ // C++ exception, go on
return EXCEPTION_CONTINUE_SEARCH;
}
else
{
- // This is a non-C++ exception, e.g. hardware check.
- // Pass control into the handler block.
+ // handle it
return EXCEPTION_EXECUTE_HANDLER;
}
}
-void LL::seh::rethrow(U32 code, const std::string& stacktrace)
-{
- std::ostringstream out;
- out << "Windows exception 0x" << std::hex << code;
- if (! stacktrace.empty())
- {
- out << '\n' << stacktrace;
- }
- LLTHROW(Windows_SEH_exception(out.str()));
-}
-
#endif //LL_WINDOWS
diff --git a/indra/llcommon/llexception.h b/indra/llcommon/llexception.h
index f58a553eb3..68e609444e 100644
--- a/indra/llcommon/llexception.h
+++ b/indra/llcommon/llexception.h
@@ -12,7 +12,6 @@
#if ! defined(LL_LLEXCEPTION_H)
#define LL_LLEXCEPTION_H
-#include "always_return.h"
#include <stdexcept>
#include <boost/exception/exception.hpp>
#include <boost/throw_exception.hpp>
@@ -103,115 +102,14 @@ void crash_on_unhandled_exception_(const char*, int, const char*, const std::str
log_unhandled_exception_(__FILE__, __LINE__, BOOST_CURRENT_FUNCTION, CONTEXT)
void log_unhandled_exception_(const char*, int, const char*, const std::string&);
-/*****************************************************************************
-* Structured Exception Handling
-*****************************************************************************/
-// this is used in platform-generic code -- define outside #if LL_WINDOWS
-struct Windows_SEH_exception: public LLException
-{
- Windows_SEH_exception(const std::string& what): LLException(what) {}
-};
-
-namespace LL
-{
-namespace seh
-{
-
-#if LL_WINDOWS //-------------------------------------------------------------
-
-void fill_stacktrace(std::string& stacktrace, U32 code);
-
-// wrapper around caller's U32 filter(U32 code, struct _EXCEPTION_POINTERS*)
-// filter function: capture a stacktrace, if possible, before forwarding the
-// call to the caller's filter() function
-template <typename FILTER>
-U32 filter_(std::string& stacktrace, FILTER&& filter,
- U32 code, struct _EXCEPTION_POINTERS* exptrs)
-{
- // By the time the handler gets control, the stack has been unwound,
- // so report the stack trace now at filter() time.
- fill_stacktrace(stacktrace, code);
- return std::forward<FILTER>(filter)(code, exptrs);
-}
-
-template <typename TRYCODE, typename FILTER, typename HANDLER>
-auto catcher_inner(std::string& stacktrace,
- TRYCODE&& trycode, FILTER&& filter, HANDLER&& handler)
-{
- __try
- {
- return std::forward<TRYCODE>(trycode)();
- }
- __except (filter_(stacktrace,
- std::forward<FILTER>(filter),
- GetExceptionCode(), GetExceptionInformation()))
- {
- return always_return<decltype(trycode())>(
- std::forward<HANDLER>(handler), GetExceptionCode(), stacktrace);
- }
-}
-
-// triadic variant specifies try(), filter(U32, struct _EXCEPTION_POINTERS*),
-// handler(U32, const std::string& stacktrace)
-// stacktrace may or may not be available
-template <typename TRYCODE, typename FILTER, typename HANDLER>
-auto catcher(TRYCODE&& trycode, FILTER&& filter, HANDLER&& handler)
-{
- // Construct and destroy this stacktrace string in the outer function
- // because we can't do either in the function with __try/__except.
- std::string stacktrace;
- return catcher_inner(stacktrace,
- std::forward<TRYCODE>(trycode),
- std::forward<FILTER>(filter),
- std::forward<HANDLER>(handler));
-}
-// common_filter() handles the typical case in which we want our handler
-// clause to handle only Structured Exceptions rather than explicitly-thrown
-// C++ exceptions
-U32 common_filter(U32 code, struct _EXCEPTION_POINTERS*);
-
-// dyadic variant specifies try(), handler(U32, stacktrace), assumes common_filter()
-template <typename TRYCODE, typename HANDLER>
-auto catcher(TRYCODE&& trycode, HANDLER&& handler)
-{
- return catcher(std::forward<TRYCODE>(trycode),
- common_filter,
- std::forward<HANDLER>(handler));
-}
-
-// monadic variant specifies try(), assumes default filter and handler
-template <typename TRYCODE>
-auto catcher(TRYCODE&& trycode)
-{
- return catcher(std::forward<TRYCODE>(trycode), rethrow);
-}
-
-[[noreturn]] void rethrow(U32 code, const std::string& stacktrace);
-
-#else // not LL_WINDOWS -----------------------------------------------------
-
-template <typename TRYCODE, typename FILTER, typename HANDLER>
-auto catcher(TRYCODE&& trycode, FILTER&&, HANDLER&&)
-{
- return std::forward<TRYCODE>(trycode)();
-}
-
-template <typename TRYCODE, typename HANDLER>
-auto catcher(TRYCODE&& trycode, HANDLER&&)
-{
- return std::forward<TRYCODE>(trycode)();
-}
-
-template <typename TRYCODE>
-auto catcher(TRYCODE&& trycode)
-{
- return std::forward<TRYCODE>(trycode)();
-}
+#if LL_WINDOWS
-#endif // not LL_WINDOWS -----------------------------------------------------
+// SEH exception filtering for use in __try __except
+// Separates C++ exceptions from C SEH exceptions
+// Todo: might be good idea to do some kind of seh_to_msc_wrapper(function, ARGS&&);
+U32 msc_exception_filter(U32 code, struct _EXCEPTION_POINTERS *exception_infop);
-} // namespace LL::seh
-} // namespace LL
+#endif //LL_WINDOWS
#endif /* ! defined(LL_LLEXCEPTION_H) */
diff --git a/indra/llcommon/llsdjson.cpp b/indra/llcommon/llsdjson.cpp
index 655869a704..a4b45ed80d 100644
--- a/indra/llcommon/llsdjson.cpp
+++ b/indra/llcommon/llsdjson.cpp
@@ -35,7 +35,11 @@
#include "llerror.h"
#include "../llmath/llmath.h"
+#if LL_WINDOWS
+#include <boost/json.hpp>
+#else
#include <boost/json/src.hpp>
+#endif
//=========================================================================
LLSD LlsdFromJson(const boost::json::value& val)
diff --git a/indra/llcommon/llwin32headers.h b/indra/llcommon/llwin32headers.h
index df433deb7a..32139821d5 100644
--- a/indra/llcommon/llwin32headers.h
+++ b/indra/llcommon/llwin32headers.h
@@ -29,6 +29,7 @@
#ifdef LL_WINDOWS
#include <windows.h> // Does not include winsock.h because WIN32_LEAN_AND_MEAN is defined
+#include <ws2tcpip.h>
#include <winsock2.h> // Requires windows.h
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-06 20:04:28 +0000