utils.h File Reference

Header file for utils.c. More...

#include <sched.h>
#include <unistd.h>
#include <errlog.h>
#include <shareLib.h>

Go to the source code of this file.

Macros
#define	NO_OF_CPUS   sysconf(_SC_NPROCESSORS_CONF)
#define	checkStatus(status, message)

Functions
void	strToCpuset (cpu_set_t *cpuset, const char *spec)
	Convert a cpuset string specification (e.g. "0,2-3") to a cpuset. More...
void	cpusetToStr (char *set, size_t len, const cpu_set_t *cpuset)
	Convert a cpuset into its string specification (e.g. "0,2-3"). More...
const char *	policyToStr (const int policy)
	Convert scheduling policy to string. More...
int	strToPolicy (const char *string)
	Convert string policy specification to policy. More...

Variables
epicsShareExtern int	cpuDigits
	Number of digits needed for a single CPU spec. More...

Detailed Description

Header file for utils.c.

Author

Ralph Lange Ralph.nosp@m..Lan.nosp@m.ge@gm.nosp@m.x.de

Copyright

Copyright (c) 2012 ITER Organization

Distributed subject to the EPICS_BASE Software License Agreement found in the file LICENSE that is included with this distribution.

Definition in file utils.h.

Macro Definition Documentation

checkStatus

#define checkStatus	(		status,
			message
	)

Value:

if((status))  {\
    errlogPrintf("%s error %s\n", (message), strerror((status))); \
}

Definition at line 24 of file utils.h.

NO_OF_CPUS

#define NO_OF_CPUS   sysconf(_SC_NPROCESSORS_CONF)

Definition at line 22 of file utils.h.

Function Documentation

cpusetToStr()

void cpusetToStr	(	char *	set,
		size_t	len,
		const cpu_set_t *	cpuset
	)

Convert a cpuset into its string specification (e.g. "0,2-3").

Parameters

set	output buffer to write into
len	length of set
cpuset	cpuset to convert

Definition at line 63 of file utils.c.

policyToStr()

const char* policyToStr

(

const int

policy

)

Convert scheduling policy to string.

Parameters

policy

policy to convert

Returns

string representation

Definition at line 101 of file utils.c.

strToCpuset()

void strToCpuset	(	cpu_set_t *	cpuset,
		const char *	spec
	)

Convert a cpuset string specification (e.g. "0,2-3") to a cpuset.

Parameters

cpuset	cpuset to write into
spec	specification string

Definition at line 33 of file utils.c.

strToPolicy()

int strToPolicy

(

const char *

string

)

Convert string policy specification to policy.

Parameters

string

string policy specification

Returns

policy value, or -1 on error

Definition at line 129 of file utils.c.

Variable Documentation

cpuDigits

epicsShareExtern int cpuDigits

Number of digits needed for a single CPU spec.

Set in mcoreThreadShowInit().

Definition at line 38 of file utils.h.