Ipc::QuestionerId Class Reference

#include <QuestionerId.h>

Collaboration diagram for Ipc::QuestionerId:

Public Member Functions
	QuestionerId ()=default
	to-be-determined ID More...
void	pack (TypedMsgHdr &) const
	for sending the ID of the asking process More...
void	unpack (const TypedMsgHdr &)
	for receiving the ID of the asking process More...
void	rejectAnswerIfStale () const
	does nothing but throws if the questioner was not the current process More...
void	print (std::ostream &) const
	reports the stored opaque ID value (for debugging) More...

Private Member Functions
	QuestionerId (const pid_t aPid)
	for MyQuestionerId() convenience More...

Private Attributes
pid_t	pid = -1

Friends
QuestionerId	MyQuestionerId ()
	the questioner ID of the current/calling process More...

Detailed Description

Identifies a kid process sending IPC messages that require an answer. Must be unique across all kids with pending questions.

Definition at line 21 of file QuestionerId.h.

Constructor & Destructor Documentation

QuestionerId() [1/2]

Ipc::QuestionerId::QuestionerId ( )

default

QuestionerId() [2/2]

Ipc::QuestionerId::QuestionerId ( const pid_t  aPid )

inlineexplicitprivate

Definition at line 41 of file QuestionerId.h.

Member Function Documentation

pack()

void Ipc::QuestionerId::pack

(

TypedMsgHdr &

hdrMsg

)

const

Definition at line 25 of file QuestionerId.cc.

References pid, and Ipc::TypedMsgHdr::putPod().

print()

void Ipc::QuestionerId::print

(

std::ostream &

os

)

const

Definition at line 47 of file QuestionerId.cc.

References pid.

Referenced by Ipc::operator<<().

rejectAnswerIfStale()

void Ipc::QuestionerId::rejectAnswerIfStale

(

)

const

Definition at line 37 of file QuestionerId.cc.

References Debug::Extra(), Here, Ipc::MyQuestionerId(), pid, pid, and ToSBuf().

unpack()

void Ipc::QuestionerId::unpack

(

const TypedMsgHdr &

hdrMsg

)

Definition at line 31 of file QuestionerId.cc.

References Ipc::TypedMsgHdr::getPod(), and pid.

Referenced by Ipc::StrandSearchRequest::StrandSearchRequest().

Friends And Related Function Documentation

MyQuestionerId

QuestionerId MyQuestionerId ( )

friend

Member Data Documentation

pid

pid_t Ipc::QuestionerId::pid = -1

private

OS process ID of the asking kid. If the kid restarts, it is assumed not to wrap back to the old value until the answer is received.

Definition at line 46 of file QuestionerId.h.

Referenced by pack(), and rejectAnswerIfStale().

---

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

• src/ipc/QuestionerId.h
• src/ipc/QuestionerId.cc