Additional data delivered with SIGBUS signals. More...

#include <SigInfo.hxx>

Inheritance diagram for cosmos::SigInfo::BusData:

Public Types
enum class	Reason : int { ALIGNMENT = BUS_ADRALN , NOT_EXISTING = BUS_ADRERR , OBJECT_ERROR = BUS_OBJERR , MCE_ACTION_REQUIRED = BUS_MCEERR_AR , MCE_ACTION_OPTIONAL = BUS_MCEERR_AO }
	Different reasons for delivering a SIGBUS signal. More...

Public Attributes
Reason	reason
	The reason why SIGBUS was delivered.

std::optional< short >	addr_lsb
	For Reason::MCE_ACTION_REQUIRED and Reason::MCE_ACTION_OPTIONAL this contains the least significant bit of the reported address.

Public Attributes inherited from cosmos::SigInfo::FaultData
void *	addr
	The address of the fault / trap.

Detailed Description

Additional data delivered with SIGBUS signals.

Definition at line 300 of file SigInfo.hxx.

Member Enumeration Documentation

◆ Reason

enum class cosmos::SigInfo::BusData::Reason : int

strong

Different reasons for delivering a SIGBUS signal.

Enumerator
ALIGNMENT	invalid address alignment.
NOT_EXISTING	nonexistent physical address.
OBJECT_ERROR	Object-specific hardware error.
MCE_ACTION_REQUIRED	hardware memory error consumed on a machine check; action required.
MCE_ACTION_OPTIONAL	hardware memory error detected in process but not consumed; action optional.

Definition at line 304 of file SigInfo.hxx.

                                  : int {
                        ALIGNMENT           = BUS_ADRALN,   
                        NOT_EXISTING        = BUS_ADRERR,   
                        OBJECT_ERROR        = BUS_OBJERR,   
                        MCE_ACTION_REQUIRED = BUS_MCEERR_AR, 
                        MCE_ACTION_OPTIONAL = BUS_MCEERR_AO, 
                };

Member Data Documentation

◆ addr_lsb

std::optional<short> cosmos::SigInfo::BusData::addr_lsb

For Reason::MCE_ACTION_REQUIRED and Reason::MCE_ACTION_OPTIONAL this contains the least significant bit of the reported address.

Definition at line 317 of file SigInfo.hxx.

◆ reason

Reason cosmos::SigInfo::BusData::reason

The reason why SIGBUS was delivered.

Definition at line 315 of file SigInfo.hxx.

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

include/proc/SigInfo.hxx