110 lines
2.5 KiB
C
110 lines
2.5 KiB
C
#ifndef __systemtest_h__
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#define __systemtest_h__
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/**
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* GPL, yabbadabba
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*
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* Set of functions to gather system information for the jack setup wizard.
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*
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* @author Florian Faber, faber@faberman.de
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*
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* @version 0.1 (2009-01-15) [FF]
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* - initial version
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*
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**/
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/**
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* This function checks for the existence of known frequency scaling mechanisms
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* in this system.
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*
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* @returns 0 if the system has no frequency scaling capabilities non-0 otherwise.
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**/
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int system_has_frequencyscaling();
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/**
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* This function determines whether the CPU has a variable clock speed if frequency
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* scaling is available.
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*
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* @returns 0 if system doesn't use frequency scaling at the moment, non-0 otherwise
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**/
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int system_uses_frequencyscaling();
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/**
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* Tests whether the owner of this process is in the group 'name'.
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*
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* @returns 0 if the owner of this process is not in the group, non-0 otherwise
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**/
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int system_user_in_group(const char *name);
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/***
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* Checks for a definition in /etc/security/limits.conf that looks
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* as if it allows RT scheduling priority.
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*
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* @returns 1 if there appears to be such a line
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**/
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int system_has_rtprio_limits_conf ();
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/**
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* Checks for the existence of the 'audio' group on this system
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*
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* @returns 0 is there is no 'audio' group, non-0 otherwise
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**/
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int system_has_audiogroup();
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/**
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* Checks for the existence of a group named 'name' on this system
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*
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* @returns 0 if not found, non-0 otherwise
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**/
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int system_has_group(const char * name);
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/**
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* Tests whether the owner of this process is in the 'audio' group.
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*
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* @returns 0 if the owner of this process is not in the audio group, non-0 otherwise
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**/
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int system_user_in_audiogroup();
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/**
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* Determines whether the owner of this process can enable rt priority.
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*
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* @returns 0 if this process can not be switched to rt prio, non-0 otherwise
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**/
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int system_user_can_rtprio();
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long long unsigned int system_memlock_amount();
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/**
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* Checks whether the memlock limit is unlimited
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*
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* @returns 0 if the memlock limit is limited, non-0 otherwise
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**/
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int system_memlock_is_unlimited();
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long long unsigned int system_available_physical_mem();
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/**
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* Gets the version of the currently running kernel
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*
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* @returns String with the full version of the kernel
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**/
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char* system_kernel_version();
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/**
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* Returns the username. The caller is in charge of disposal of
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* the returned name.
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*
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* @returns Pointer to a username or NULL
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**/
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char* system_get_username();
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#endif /* __jack_systemtest_h__ */
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