powersave_hal.h File Reference

#include "powerlib.h"
#include <hal/libhal.h>

Go to the source code of this file.

Defines
#define	DBUS_API_SUBJECT_TO_CHANGE   1
#define	HAL_ERROR   -7
	error for hal connect error
Functions
int	ps_hal_init (void)
	inits the access to hal
void	ps_hal_free (void)
	frees the access to hal
int	ps_hal_get_property_int (char *device, char *property)
int	ps_hal_get_property_bool (char *device, char *property)
char *	ps_hal_get_property_string (char *device, char *property)
int	ps_hal_query_capability (char *device, char *capability)
	query a capability of a device
LibHalContext *	ps_hal_context (void)
	get the hal context used
DBusError *	ps_hal_dbus_error (void)
	get the dbus error used

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Define Documentation

#define DBUS_API_SUBJECT_TO_CHANGE   1

#define HAL_ERROR   -7

error for hal connect error

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Function Documentation

LibHalContext* ps_hal_context (  void   )

get the hal context used Returns: the hal context

DBusError* ps_hal_dbus_error (  void   )

get the dbus error used Returns: the dbus error

void ps_hal_free (  void   )

frees the access to hal the free includes any dbus connection, dbus errors or hal contexts call this inside your application as soon as the hal service disappears

int ps_hal_get_property_bool (  char *  device, char *  property )

brief get bool property through hal fetches one bool value through hal. Throws a dbus error with error message if needed. Parameters: device  the device from which should be fetched property  the property which should be fetched Returns: -1 on error

int ps_hal_get_property_int (  char *  device, char *  property )

brief get integer property through hal fetches one interger value through hal. Throws a dbus error with error message if needed. Parameters: device  the device from which should be fetched property  the property which should be fetched Returns: -1 on error

char* ps_hal_get_property_string (  char *  device, char *  property )

brief get string property through hal fetches one string value through hal. Throws a dbus error with error message if needed. Parameters: device  the device from which should be fetched property  the property which should be fetched Returns: requested value or NULL on error (string must be freed)

int ps_hal_init (  void   )

inits the access to hal if hal context is already initialized, does nothing. Return values: true  if already initialized connection could be set up false  false if connection could not be established

int ps_hal_query_capability (  char *  device, char *  capability )

query a capability of a device Parameters: device  the device usi capability  the capability to query for Returns: < 0 on error

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