Catch::FatalConditionHandler Struct Reference

#include <catch_fatal_condition.h>

Collaboration diagram for Catch::FatalConditionHandler:

Public Member Functions
	FatalConditionHandler ()
	~FatalConditionHandler ()

Static Public Member Functions
static void	handleSignal (int sig)
static void	reset ()

Static Public Attributes
static bool	isSet = false
static struct sigaction	oldSigActions [] = {}
static stack_t	oldSigStack = {}
static char	altStackMem [] = {}

Detailed Description

Definition at line 42 of file catch_fatal_condition.h.

Constructor & Destructor Documentation

FatalConditionHandler()

Catch::FatalConditionHandler::FatalConditionHandler

(

)

Definition at line 125 of file catch_fatal_condition.cpp.

                                                 {
        isSet = true;
        stack_t sigStack;
        sigStack.ss_sp = altStackMem;
        sigStack.ss_size = sigStackSize;
        sigStack.ss_flags = 0;
        sigaltstack(&sigStack, &oldSigStack);
        struct sigaction sa = { };
 
        sa.sa_handler = handleSignal;
        sa.sa_flags = SA_ONSTACK;
        for (std::size_t i = 0; i < sizeof(signalDefs)/sizeof(SignalDefs); ++i) {
            sigaction(signalDefs[i].id, &sa, &oldSigActions[i]);
        }
    }

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~FatalConditionHandler()

Catch::FatalConditionHandler::~FatalConditionHandler

(

)

Definition at line 142 of file catch_fatal_condition.cpp.

                                                  {
        reset();
    }

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Member Function Documentation

handleSignal()

void Catch::FatalConditionHandler::handleSignal ( int sig )

static

Definition at line 112 of file catch_fatal_condition.cpp.

                                                      {
        char const * name = "<unknown signal>";
        for (auto const& def : signalDefs) {
            if (sig == def.id) {
                name = def.name;
                break;
            }
        }
        reset();
        reportFatal(name);
        raise( sig );
    }

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reset()

void Catch::FatalConditionHandler::reset ( )

static

Definition at line 146 of file catch_fatal_condition.cpp.

                                      {
        if( isSet ) {
            // Set signals back to previous values -- hopefully nobody overwrote them in the meantime
            for( std::size_t i = 0; i < sizeof(signalDefs)/sizeof(SignalDefs); ++i ) {
                sigaction(signalDefs[i].id, &oldSigActions[i], nullptr);
            }
            // Return the old stack
            sigaltstack(&oldSigStack, nullptr);
            isSet = false;
        }
    }

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Member Data Documentation

altStackMem

char Catch::FatalConditionHandler::altStackMem = {}

static

Definition at line 47 of file catch_fatal_condition.h.

isSet

bool Catch::FatalConditionHandler::isSet = false

static

Definition at line 44 of file catch_fatal_condition.h.

oldSigActions

struct sigaction Catch::FatalConditionHandler::oldSigActions = {}

static

Definition at line 45 of file catch_fatal_condition.h.

oldSigStack

stack_t Catch::FatalConditionHandler::oldSigStack = {}

static

Definition at line 46 of file catch_fatal_condition.h.

---

The documentation for this struct was generated from the following files:

• libraries/sys-vm/external/Catch2/include/internal/catch_fatal_condition.h
• libraries/sys-vm/external/Catch2/include/internal/catch_fatal_condition.cpp