tools/sanity_check/systemtest.h

   1 #ifndef __systemtest_h__
   2 #define __systemtest_h__
   3
   4 /**
   5  * GPL, yabbadabba
   6  *
   7  * Set of functions to gather system information for the jack setup wizard.
   8  *
   9  * @author Florian Faber, faber@faberman.de
  10  *
  11  * @version 0.1 (2009-01-15) [FF]
  12  *              - initial version
  13  *
  14  **/
  15
  16
  17 /**
  18  * This function checks for the existence of known frequency scaling mechanisms
  19  * in this system.
  20  *
  21  * @returns 0 if the system has no frequency scaling capabilities non-0 otherwise.
  22  **/
  23 int system_has_frequencyscaling();
  24
  25
  26 /**
  27  * This function determines wether the CPU has a variable clock speed if frequency
  28  * scaling is available.
  29  *
  30  * @returns 0 if system doesn't use frequency scaling at the moment, non-0 otherwise
  31  **/
  32 int system_uses_frequencyscaling();
  33
  34 /**
  35  * Tests wether the owner of this process is in the group 'name'.
  36  *
  37  * @returns 0 if the owner of this process is not in the group, non-0 otherwise
  38  **/
  39 int system_user_in_group(const char *name);
  40
  41 /***
  42  * Checks for a definition in /etc/security/limits.conf that looks
  43  * as if it allows RT scheduling priority.
  44  *
  45  * @returns 1 if there appears to be such a line
  46  **/
  47 int system_has_rtprio_limits_conf ();
  48
  49 /**
  50  * Checks for the existence of the 'audio' group on this system
  51  *
  52  * @returns 0 is there is no 'audio' group, non-0 otherwise
  53  **/
  54 int system_has_audiogroup();
  55
  56 /**
  57  * Checks for the existence of a group named 'name' on this system
  58  *
  59  * @returns 0 if not found, non-0 otherwise
  60  **/
  61 int system_has_group(const char * name);
  62
  63 /**
  64  * Tests wether the owner of this process is in the 'audio' group.
  65  *
  66  * @returns 0 if the owner of this process is not in the audio group, non-0 otherwise
  67  **/
  68 int system_user_in_audiogroup();
  69
  70
  71 /**
  72  * Determines wether the owner of this process can enable rt priority.
  73  *
  74  * @returns 0 if this process can not be switched to rt prio, non-0 otherwise
  75  **/
  76 int system_user_can_rtprio();
  77
  78
  79 long long unsigned int system_memlock_amount();
  80
  81
  82 /**
  83  * Checks wether the memlock limit is unlimited
  84  *
  85  * @returns 0 if the memlock limit is limited, non-0 otherwise
  86  **/
  87 int system_memlock_is_unlimited();
  88
  89
  90 long long unsigned int system_available_physical_mem();
  91
  92
  93 /**
  94  * Gets the version of the currently running kernel
  95  *
  96  * @returns String with the full version of the kernel
  97  **/
  98 char* system_kernel_version();
  99
 100
 101 /**
 102  * Returns the username. The caller is in charge of disposal of
 103  * the returned name.
 104  *
 105  * @returns Pointer to a username or NULL
 106  **/
 107 char* system_get_username();
 108
 109 #endif /* __jack_systemtest_h__ */