opd_pipe.h File Reference

Functions handling the $SESSIONDIR/opd_pipe FIFO special file. More...

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Functions

void opd_create_pipe (void)
 opd_create_pipe - creates the oprofiled fifo file
void opd_open_pipe (void)
 opd_open_pipe - opens the oprofiled fifo file
void opd_close_pipe (void)
 opd_close_pipe - closes the oprofiled fifo file
int is_jitconv_requested (void)
 is_jitconv_requested - check for request to jit conversion

Detailed Description

Functions handling the $SESSIONDIR/opd_pipe FIFO special file.

NOTE: This code is dealing with potencially insecure input.

Remarks:
Copyright 2008 OProfile authors
Read the file COPYING
Author:
Daniel Hansel

Function Documentation

int is_jitconv_requested ( void   ) 

is_jitconv_requested - check for request to jit conversion

Checks the Oprofile daemon fifo pipe for do_jitconv request. If jit conversion is requested ('do_jitconv' is sent) the check returns 1. Otherwise it returns 0.

void opd_close_pipe ( void   ) 

opd_close_pipe - closes the oprofiled fifo file

Closes the Oprofile daemon fifo pipe.

void opd_create_pipe ( void   ) 

opd_create_pipe - creates the oprofiled fifo file

Creates the Oprofile daemon fifo pipe to enable communication between the daemon and the 'opcontrol --dump' command. Failure to create the pipe is a fatal error.

References op_pipe_file.

void opd_open_pipe ( void   ) 

opd_open_pipe - opens the oprofiled fifo file

References op_pipe_file.


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