MessageHeader.h File Reference

Declaration for bgcios::MessageHeader class. More...

#include <inttypes.h>
#include <string.h>

Go to the source code of this file.

Data Structures
struct	bgcios::MessageHeader
	Header describing a I/O service message. More...
Namespaces
namespace	bgcios
Enumerations
enum	bgcios::ReturnCode {   bgcios::Success = 0, bgcios::WrongService, bgcios::UnsupportedType, bgcios::JobIdError,   bgcios::ProcessIdError, bgcios::RequestFailed, bgcios::SubBlockJobError, bgcios::SendError,   bgcios::RecvError, bgcios::VersionMismatch, bgcios::NodeNotReady, bgcios::SecondaryGroupIdError,   bgcios::PrimaryGroupIdError, bgcios::UserIdError, bgcios::WorkingDirError, bgcios::AppOpenError,   bgcios::AppAuthorityError, bgcios::AppReadError, bgcios::AppElfHeaderSize, bgcios::AppElfHeaderError,   bgcios::AppNoCodeSection, bgcios::AppCodeSectionSize, bgcios::AppSegmentAlignment, bgcios::AppTooManySegments,   bgcios::AppStaticTLBError, bgcios::AppMemoryError, bgcios::ArgumentListSize, bgcios::ToolStartError,   bgcios::ToolAuthorityError, bgcios::ToolIdError, bgcios::ToolTimeoutExpired, bgcios::ToolPriorityConflict,   bgcios::ToolMaxAttachedExceeded, bgcios::ToolIdConflict, bgcios::JobsDirError, bgcios::JobsObjectError,   bgcios::ToolPriorityError, bgcios::ToolRankNotFound, bgcios::CornerCoreError, bgcios::NumCoresInProcessError,   bgcios::ProcessActive, bgcios::NumProcessesError, bgcios::RanksInJobError, bgcios::ClassRouteDataError,   bgcios::ToolNumberOfCmdsExceeded, bgcios::RequestIncomplete, bgcios::PrologPgmStartError, bgcios::PrologPgmError,   bgcios::EpilogPgmStartError, bgcios::EpilogPgmError, bgcios::RequestInProgress, bgcios::ToolControlConflict,   bgcios::NodesInJobError, bgcios::ToolConflictingCmds, bgcios::ReturnCodeListEnd }
	Values for return code field of MessageHeader. More...
Functions
void	bgcios::initHeader (struct MessageHeader *header)
	Initialize message header.
uint32_t	bgcios::dataLength (struct MessageHeader *header)
	Get the length of the data in a message (can be zero).
Variables
const uint8_t	bgcios::IosctlService = 1
	Values for service field of MessageHeader.
const uint8_t	bgcios::JobctlService = 2
	Job control service.
const uint8_t	bgcios::StdioService = 3
	Standard I/O service.
const uint8_t	bgcios::SysioService = 4
	System I/O service.
const uint8_t	bgcios::ToolctlService = 5
	Tool control service.
const uint32_t	bgcios::SmallMessageRegionSize = 65536
	Default size for small message memory regions (match Linux page size).
const uint32_t	bgcios::SmallMessageDataSize = 65472
	Maximum size of data in a small message.
const uint32_t	bgcios::ImmediateMessageSize = 512
	Size of an immediate message (fits in one packet).

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Detailed Description

Declaration for bgcios::MessageHeader class.

Definition in file MessageHeader.h.