diff options
Diffstat (limited to 'indra/llcommon')
-rw-r--r-- | indra/llcommon/always_return.h | 16 | ||||
-rw-r--r-- | indra/llcommon/llcoros.cpp | 55 | ||||
-rw-r--r-- | indra/llcommon/llerror.cpp | 2 | ||||
-rw-r--r-- | indra/llcommon/llerror.h | 11 | ||||
-rw-r--r-- | indra/llcommon/llexception.cpp | 44 | ||||
-rw-r--r-- | indra/llcommon/llexception.h | 114 | ||||
-rw-r--r-- | indra/llcommon/llprocessor.cpp | 73 | ||||
-rw-r--r-- | indra/llcommon/llsdutil.cpp | 4 | ||||
-rw-r--r-- | indra/llcommon/llsys.cpp | 71 | ||||
-rw-r--r-- | indra/llcommon/tests/llleap_test.cpp | 2 | ||||
-rw-r--r-- | indra/llcommon/tests/llstring_test.cpp | 4 |
11 files changed, 260 insertions, 136 deletions
diff --git a/indra/llcommon/always_return.h b/indra/llcommon/always_return.h index a206471da5..b99eb49096 100644 --- a/indra/llcommon/always_return.h +++ b/indra/llcommon/always_return.h @@ -79,6 +79,22 @@ 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/llcoros.cpp b/indra/llcommon/llcoros.cpp index 1539b48bd3..3fe7e09e7e 100644 --- a/indra/llcommon/llcoros.cpp +++ b/indra/llcommon/llcoros.cpp @@ -140,7 +140,7 @@ LLCoros::LLCoros(): // Previously we used // boost::context::guarded_stack_allocator::default_stacksize(); // empirically this is insufficient. - mStackSize(1024*1024), + mStackSize(512*1024), // mCurrent does NOT own the current CoroData instance -- it simply // points to it. So initialize it with a no-op deleter. mCurrent{ [](CoroData*){} } @@ -172,7 +172,7 @@ void LLCoros::cleanupSingleton() // don't use llcoro::suspend() because that module depends // on this one // This will yield current(main) thread and will let active - // corutines run once + // coroutines run once boost::this_fiber::yield(); } printActiveCoroutines("after pumping"); @@ -303,55 +303,6 @@ std::string LLCoros::launch(const std::string& prefix, const callable_t& callabl return name; } -namespace -{ - -#if LL_WINDOWS - -static const U32 STATUS_MSC_EXCEPTION = 0xE06D7363; // compiler specific - -U32 exception_filter(U32 code, struct _EXCEPTION_POINTERS *exception_infop) -{ - if (code == STATUS_MSC_EXCEPTION) - { - // C++ exception, go on - return EXCEPTION_CONTINUE_SEARCH; - } - else - { - // handle it - return EXCEPTION_EXECUTE_HANDLER; - } -} - -void sehandle(const LLCoros::callable_t& callable) -{ - __try - { - callable(); - } - __except (exception_filter(GetExceptionCode(), GetExceptionInformation())) - { - // convert to C++ styled exception - // Note: it might be better to use _se_set_translator - // if you want exception to inherit full callstack - char integer_string[512]; - sprintf(integer_string, "SEH, code: %lu\n", GetExceptionCode()); - throw std::exception(integer_string); - } -} - -#else // ! LL_WINDOWS - -inline void sehandle(const LLCoros::callable_t& callable) -{ - callable(); -} - -#endif // ! LL_WINDOWS - -} // anonymous namespace - // Top-level wrapper around caller's coroutine callable. // Normally we like to pass strings and such by const reference -- but in this // case, we WANT to copy both the name and the callable to our local stack! @@ -365,7 +316,7 @@ void LLCoros::toplevel(std::string name, callable_t callable) // run the code the caller actually wants in the coroutine try { - sehandle(callable); + LL::seh::catcher(callable); } catch (const Stop& exc) { diff --git a/indra/llcommon/llerror.cpp b/indra/llcommon/llerror.cpp index 6c3b9c9542..237f07288e 100644 --- a/indra/llcommon/llerror.cpp +++ b/indra/llcommon/llerror.cpp @@ -109,7 +109,7 @@ namespace { virtual void recordMessage(LLError::ELevel level, const std::string& message) override { - LL_PROFILE_ZONE_SCOPED_CATEGORY_LOGGING + LL_PROFILE_ZONE_SCOPED_CATEGORY_LOGGING; int syslogPriority = LOG_CRIT; switch (level) { case LLError::LEVEL_DEBUG: syslogPriority = LOG_DEBUG; break; diff --git a/indra/llcommon/llerror.h b/indra/llcommon/llerror.h index 6176ce0d1d..7353a36c5f 100644 --- a/indra/llcommon/llerror.h +++ b/indra/llcommon/llerror.h @@ -95,6 +95,11 @@ const int LL_ERR_NOERR = 0; #define LL_STATIC_ASSERT(func, msg) static_assert(func, msg) #define LL_BAD_TEMPLATE_INSTANTIATION(type, msg) static_assert(false, msg) #else +#if LL_LINUX +// We need access to raise and SIGSEGV +#include <signal.h> +#endif + #define LL_STATIC_ASSERT(func, msg) BOOST_STATIC_ASSERT(func) #define LL_BAD_TEMPLATE_INSTANTIATION(type, msg) BOOST_STATIC_ASSERT(sizeof(type) != 0 && false); #endif @@ -408,10 +413,16 @@ typedef LLError::NoClassInfo _LL_CLASS_TO_LOG; #define LL_NEWLINE '\n' // Use this only in LL_ERRS or in a place that LL_ERRS may not be used + +#ifndef LL_LINUX #define LLERROR_CRASH \ { \ crashdriver([](int* ptr){ *ptr = 0; exit(*ptr); }); \ } +#else +// For Linux we just call raise and be done with it. No fighting the compiler to create a crashing code snippet. +#define LLERROR_CRASH raise(SIGSEGV ); +#endif #define LL_ENDL \ LLError::End(); \ diff --git a/indra/llcommon/llexception.cpp b/indra/llcommon/llexception.cpp index c0154a569f..107fdc2b2d 100644 --- a/indra/llcommon/llexception.cpp +++ b/indra/llcommon/llexception.cpp @@ -15,7 +15,12 @@ #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> @@ -29,7 +34,6 @@ // 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> @@ -94,25 +98,47 @@ 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 const U32 STATUS_MSC_EXCEPTION = 0xE06D7363; // compiler specific +static constexpr U32 STATUS_MSC_EXCEPTION = 0xE06D7363; // compiler specific +static constexpr U32 STATUS_STACK_FULL = 0xC00000FD; -U32 msc_exception_filter(U32 code, struct _EXCEPTION_POINTERS *exception_infop) +void LL::seh::fill_stacktrace(std::string& stacktrace, U32 code) { - 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; + // 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()); + } +} +U32 LL::seh::common_filter(U32 code, struct _EXCEPTION_POINTERS*) +{ if (code == STATUS_MSC_EXCEPTION) { - // C++ exception, go on + // C++ exception, don't stop at this handler return EXCEPTION_CONTINUE_SEARCH; } else { - // handle it + // This is a non-C++ exception, e.g. hardware check. + // Pass control into the handler block. 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 68e609444e..f58a553eb3 100644 --- a/indra/llcommon/llexception.h +++ b/indra/llcommon/llexception.h @@ -12,6 +12,7 @@ #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> @@ -102,14 +103,115 @@ 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)); +} -#if LL_WINDOWS +// 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)(); +} -// 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); +#endif // not LL_WINDOWS ----------------------------------------------------- -#endif //LL_WINDOWS +} // namespace LL::seh +} // namespace LL #endif /* ! defined(LL_LLEXCEPTION_H) */ diff --git a/indra/llcommon/llprocessor.cpp b/indra/llcommon/llprocessor.cpp index 9d53b9be35..3a05407dd0 100644 --- a/indra/llcommon/llprocessor.cpp +++ b/indra/llcommon/llprocessor.cpp @@ -793,19 +793,55 @@ private: }; #elif LL_LINUX + +// *NOTE:Mani - eww, macros! srry. +#define LLPI_SET_INFO_STRING(llpi_id, cpuinfo_id) \ + if (!cpuinfo[cpuinfo_id].empty()) \ + { setInfo(llpi_id, cpuinfo[cpuinfo_id]);} + +#define LLPI_SET_INFO_INT(llpi_id, cpuinfo_id) \ + {\ + S32 result; \ + if (!cpuinfo[cpuinfo_id].empty() \ + && LLStringUtil::convertToS32(cpuinfo[cpuinfo_id], result)) \ + { setInfo(llpi_id, result);} \ + } + const char CPUINFO_FILE[] = "/proc/cpuinfo"; -class LLProcessorInfoLinuxImpl : public LLProcessorInfoImpl -{ +class LLProcessorInfoLinuxImpl : public LLProcessorInfoImpl { public: - LLProcessorInfoLinuxImpl() - { + LLProcessorInfoLinuxImpl() { get_proc_cpuinfo(); } virtual ~LLProcessorInfoLinuxImpl() {} + private: + F64 getCPUMaxMHZ() + { + // Nicky: We just look into cpu0. In theory we could iterate over all cores + // "/sys/devices/system/cpu/cpu*/cpufreq/cpuinfo_max_freq" + // But those should not fluctuate that much? + std::ifstream fIn { "/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq" }; + + if( !fIn.is_open() ) + return 0.0; + + std::string strLine; + fIn >> strLine; + if( strLine.empty() ) + return 0.0l; + + F64 mhz {}; + if( !LLStringUtil::convertToF64(strLine, mhz ) ) + return 0.0; + + mhz = mhz / 1000.0; + return mhz; + } + void get_proc_cpuinfo() { std::map< std::string, std::string > cpuinfo; @@ -834,30 +870,23 @@ private: std::string llinename(linename); LLStringUtil::toLower(llinename); std::string lineval( spacespot + 1, nlspot ); - cpuinfo[ llinename ] = lineval; + cpuinfo[ llinename ] = lineval; } fclose(cpuinfo_fp); } # if LL_X86 -// *NOTE:Mani - eww, macros! srry. -#define LLPI_SET_INFO_STRING(llpi_id, cpuinfo_id) \ - if (!cpuinfo[cpuinfo_id].empty()) \ - { setInfo(llpi_id, cpuinfo[cpuinfo_id]);} - -#define LLPI_SET_INFO_INT(llpi_id, cpuinfo_id) \ - {\ - S32 result; \ - if (!cpuinfo[cpuinfo_id].empty() \ - && LLStringUtil::convertToS32(cpuinfo[cpuinfo_id], result)) \ - { setInfo(llpi_id, result);} \ + F64 mhzFromSys = getCPUMaxMHZ(); + F64 mhzFromProc {}; + if( !LLStringUtil::convertToF64(cpuinfo["cpu mhz"], mhzFromProc ) ) + mhzFromProc = 0.0; + if (mhzFromSys > 1.0 && mhzFromSys > mhzFromProc ) + { + setInfo( eFrequency, mhzFromSys ); } - - F64 mhz; - if (LLStringUtil::convertToF64(cpuinfo["cpu mhz"], mhz) - && 200.0 < mhz && mhz < 10000.0) + else if ( 200.0 < mhzFromProc && mhzFromProc < 10000.0) { - setInfo(eFrequency,(F64)(mhz)); + setInfo(eFrequency,(F64)(mhzFromProc)); } LLPI_SET_INFO_STRING(eBrandName, "model name"); @@ -867,7 +896,7 @@ private: LLPI_SET_INFO_INT(eModel, "model"); - S32 family; + S32 family{}; if (!cpuinfo["cpu family"].empty() && LLStringUtil::convertToS32(cpuinfo["cpu family"], family)) { diff --git a/indra/llcommon/llsdutil.cpp b/indra/llcommon/llsdutil.cpp index 12f67208c1..353a924e52 100644 --- a/indra/llcommon/llsdutil.cpp +++ b/indra/llcommon/llsdutil.cpp @@ -161,7 +161,7 @@ LLSD ll_binary_from_string(const LLSD& sd) char* ll_print_sd(const LLSD& sd) { const U32 bufferSize = 10 * 1024; - static char buffer[bufferSize]; + static char buffer[bufferSize + 1]; std::ostringstream stream; //stream.rdbuf()->pubsetbuf(buffer, bufferSize); stream << LLSDOStreamer<LLSDXMLFormatter>(sd); @@ -183,7 +183,7 @@ char* ll_pretty_print_sd_ptr(const LLSD* sd) char* ll_pretty_print_sd(const LLSD& sd) { const U32 bufferSize = 100 * 1024; - static char buffer[bufferSize]; + static char buffer[bufferSize + 1]; std::ostringstream stream; //stream.rdbuf()->pubsetbuf(buffer, bufferSize); stream << LLSDOStreamer<LLSDXMLFormatter>(sd, LLSDFormatter::OPTIONS_PRETTY); diff --git a/indra/llcommon/llsys.cpp b/indra/llcommon/llsys.cpp index 79625ad9f8..06b1855785 100644 --- a/indra/llcommon/llsys.cpp +++ b/indra/llcommon/llsys.cpp @@ -504,57 +504,46 @@ const S32 LLOSInfo::getOSBitness() const return mOSBitness; } -//static -U32 LLOSInfo::getProcessVirtualSizeKB() -{ - U32 virtual_size = 0; -#if LL_LINUX -# define STATUS_SIZE 2048 - LLFILE* status_filep = LLFile::fopen("/proc/self/status", "rb"); - if (status_filep) - { - S32 numRead = 0; - char buff[STATUS_SIZE]; /* Flawfinder: ignore */ +namespace { - size_t nbytes = fread(buff, 1, STATUS_SIZE-1, status_filep); - buff[nbytes] = '\0'; + U32 readFromProcStat( std::string entryName ) + { + U32 val{}; +#if LL_LINUX + constexpr U32 STATUS_SIZE = 2048; - // All these guys return numbers in KB - char *memp = strstr(buff, "VmSize:"); - if (memp) + LLFILE* status_filep = LLFile::fopen("/proc/self/status", "rb"); + if (status_filep) { - numRead += sscanf(memp, "%*s %u", &virtual_size); + char buff[STATUS_SIZE]; /* Flawfinder: ignore */ + + size_t nbytes = fread(buff, 1, STATUS_SIZE-1, status_filep); + buff[nbytes] = '\0'; + + // All these guys return numbers in KB + char *memp = strstr(buff, entryName.c_str()); + if (memp) + { + (void) sscanf(memp, "%*s %u", &val); + } + fclose(status_filep); } - fclose(status_filep); - } #endif - return virtual_size; + return val; + } + } //static -U32 LLOSInfo::getProcessResidentSizeKB() +U32 LLOSInfo::getProcessVirtualSizeKB() { - U32 resident_size = 0; -#if LL_LINUX - LLFILE* status_filep = LLFile::fopen("/proc/self/status", "rb"); - if (status_filep != NULL) - { - S32 numRead = 0; - char buff[STATUS_SIZE]; /* Flawfinder: ignore */ - - size_t nbytes = fread(buff, 1, STATUS_SIZE-1, status_filep); - buff[nbytes] = '\0'; + return readFromProcStat( "VmSize:" ); +} - // All these guys return numbers in KB - char *memp = strstr(buff, "VmRSS:"); - if (memp) - { - numRead += sscanf(memp, "%*s %u", &resident_size); - } - fclose(status_filep); - } -#endif - return resident_size; +//static +U32 LLOSInfo::getProcessResidentSizeKB() +{ + return readFromProcStat( "VmRSS:" ); } //static diff --git a/indra/llcommon/tests/llleap_test.cpp b/indra/llcommon/tests/llleap_test.cpp index fa48bcdefd..3fb25b4cef 100644 --- a/indra/llcommon/tests/llleap_test.cpp +++ b/indra/llcommon/tests/llleap_test.cpp @@ -35,7 +35,7 @@ // causes Windows abdominal pain such that it later fails code-signing in some // mysterious way. Entirely suppressing these LLLeap tests pushes the failure // rate MUCH lower. Can we re-enable them with a smaller data size on Windows? -const size_t BUFFERED_LENGTH = 100*1024; +const size_t BUFFERED_LENGTH = 1023*1024; #else // not Windows const size_t BUFFERED_LENGTH = 1023*1024; // try wrangling just under a megabyte of data diff --git a/indra/llcommon/tests/llstring_test.cpp b/indra/llcommon/tests/llstring_test.cpp index b18712b8e9..b68c63a15f 100644 --- a/indra/llcommon/tests/llstring_test.cpp +++ b/indra/llcommon/tests/llstring_test.cpp @@ -377,7 +377,7 @@ namespace tut { F32 value; std::string str_val("2147483647"); //0x7FFFFFFF - ensure("1: convertToF32 failed", LLStringUtil::convertToF32(str_val, value) && value == 2147483647); + ensure("1: convertToF32 failed", LLStringUtil::convertToF32(str_val, value) && value == 2147483647.f); str_val = "0"; ensure("2: convertToF32 failed", LLStringUtil::convertToF32(str_val, value) && value == 0); @@ -399,7 +399,7 @@ namespace tut { F64 value; std::string str_val("9223372036854775807"); //0x7FFFFFFFFFFFFFFF - ensure("1: convertToF64 failed", LLStringUtil::convertToF64(str_val, value) && value == 9223372036854775807LL); + ensure("1: convertToF64 failed", LLStringUtil::convertToF64(str_val, value) && value == 9223372036854775807.); str_val = "0"; ensure("2: convertToF64 failed", LLStringUtil::convertToF64(str_val, value) && value == 0.0F); |