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Article contents:== Outdated egg! This is an egg for CHICKEN 4, the unsupported old release. You're almost certainly looking for [[/eggref/5/allegro|the CHICKEN 5 version of this egg]], if it exists. If it does not exist, there may be equivalent functionality provided by another egg; have a look at the [[https://wiki.call-cc.org/chicken-projects/egg-index-5.html|egg index]]. Otherwise, please consider porting this egg to the current version of CHICKEN. [[tags: allegro game]] == allegro This document pertains to system related functions found in the Allegro egg. Please see the main [allegro] wiki page for more information. [[toc:]] == Constants * build-version * pi == Enums === state-flag <procedure>(state-flag->int state-flag)</procedure> {{state-flag}} may be one of the following symbols: * new-display-parameters * new-bitmap-parameters * display * target-bitmap * blender * new-file-interface * transform * bitmap * all <procedure>(int->state-flag integer)</procedure> === system-path <procedure>(system-path->int system-path)</procedure> {{system-path}} may be one of the following symbols: * resources-path * temp-path * user-data-path * user-home-path * user-settings-path * user-documents-path * exename-path * last-path == Records === condition <record>condition</record> === driver <record>driver</record> <procedure>(free-driver!)</procedure> <procedure>(driver-id driver)</procedure> <procedure>(driver-ptr driver)</procedure> <procedure>(driver-autodetect driver)</procedure> === mutex <record>mutex</record> === state <record>state</record> <procedure>(make-state*)</procedure> <procedure>(make-state)</procedure> <procedure>(free-state! state)</procedure> === system <record>system</record> === thread <record>thread</record> === timer <record>timer</record> === timeout <record>timeout</record> <procedure>(make-timeout*)</procedure> <procedure>(make-timeout)</procedure> <procedure>(free-timeout! timeout)</procedure> === version <record>version</record> <procedure>(version-major version)</procedure> <procedure>(version-sub version)</procedure> <procedure>(version-wip version)</procedure> <procedure>(version-release-number version)</procedure> <procedure>(version-string version)</procedure> <procedure>(version-date-string version)</procedure> <procedure>(version-date version)</procedure> <procedure>(version-int version)</procedure> == Functions === System <procedure>(init)</procedure> Implements al_init. <procedure>(inhibit-screensaver bool)</procedure> Implements al_inhibit_screensaver. <procedure>(org-name)</procedure> Implements al_get_org_name. <setter>(org-name-set! string)</setter> Implements al_set_org_name. <procedure>(app-name)</procedure> Implements al_get_app_name. <setter>(app-name-set! string)</procedure> Implements al_set_app_name. <procedure>(system-addon-uninstall)</procedure> Implements al_uninstall_system. <procedure>(system-addon-installed?)</procedure> Implements al_is_system_installed. <procedure>(system-driver)</procedure> Implements al_get_system_driver. <procedure>(system-config)</procedure> Implements al_get_system_config. <procedure>(standard-path system-path)</procedure> Implements al_get_standard_path. === Threads WARNING: Untested, may not interact well with Chicken. Please, please tell me about your successes and workarounds. I'll fix the egg as called for. <procedure>(make-thread* (function c-pointer (thread c-pointer)) c-pointer)</procedure> Implements al_create_thread. <procedure>(make-thread (function c-pointer (thread c-pointer)) c-pointer)</procedure> Implements al_create_thread, with (free-thread!) declared as a finalizer. <procedure>(free-thread! thread)</procedure> Implements al_destroy_thread. <proceudre>(run-detached-thread (function c-pointer (c-pointer)) c-pointer)</procedure> Implements al_run_detached_thread. <procedure>(thread-start! thread)</procedure> Implements al_start_thread. <procedure>(thread-join! thread ((c-pointer c-pointer) ret_value))</procedure> Implements al_join_thread. <procedure>(thread-should-stop? thread)</procedure> Implements al_get_thread_should_stop. <setter>(thread-should-stop-set! thread)</setter> Implements al_set_thread_should_stop. <procedure>(make-mutex*)</procedure> Implements al_create_mutex. <procedure>(make-mutex)</procedure> Implements al_create_mutex, with (free-mutex!) declared as a finalizer. <procedure>(free-mutex! mutex)</procedure> Implements al_destroy_mutex. <procedure>(make-mutex-recursive*)</procedure> Implements al_create_mutex_recursive. <procedure>(make-mutex-recursive)</procedure> Implements al_create_mutex_recursive, with (free-mutex!) declared as a finalizer. <procedure>(mutex-lock! mutex)</procedure> Implements al_lock_mutex. <procedure>(mutex-unlock! mutex)</procedure> Implements al_unlock_mutex. <procedure>(make-condition*)</procedure> Implements al_create_cond. <procedure>(make-condition)</procedure> Implements al_create_cond, with (free-condition!) declared as a finalizer. <procedure>(free-condition! condition)</procedure> Implements al_destroy_cond. <procedure>(condition-wait condition mutex)</procedure> Implements al_wait_cond. <procedure>(condition-wait-until condition mutex timeout)</procedure> Implements al_wait_cond_until. <procedure>(condition-broadcast condition)</procedure> Implements al_broadcast_cond. <procedure>(condition-signal condition)</procedure> Implements al_signal_cond. === Thread Local Storage <procedure>(state-store! state state-flag)</procedure> Implements al_store_state. <procedure>(state-restore state)</procedure> Implements al_restore_state. === Time <procedure>(current-time)</procedure> Implements al_get_time. <procedure>(rest double)</procedure> Implements al_rest. <procedure>(timeout-init! timeout double)</procedure> Implements al_init_timeout. === Timer <procedure>(make-timer* double)</procedure> Implements al_create_timer. <procedure>(make-timer double)</procedure> Implements al_create_timer, with (free-timer!) declared as a finalizer. <procedure>(free-timer! timer)</procedure> Implements al_destroy_timer. <procedure>(usec->sec double)</procedure> Implements ALLEGRO_USECS_TO_SECS. <procedure>(msec->sec double)</procedure> Implements ALLEGRO_MSECS_TO_SECS. <procedure>(bps->sec double)</procedure> Implements ALLEGRO_BPS_TO_SECS. <procedure>(bpm->sec double)</procedure> Implements ALLEGRO_BPM_TO_SECS. <procedure>(timer-start! timer)</procedure> Implements al_start_timer. <procedure>(timer-stop! timer)</procedure> Implements al_stop_timer. <procedure>(timer-started? timer)</procedure> Implements al_get_timer_started. <procedure>(timer-speed timer)</procedure> Implements al_get_timer_speed. <setter>(timer-speed-set! timer double)</procedure> Implements al_set_timer_speed. <procedure>(timer-count timer)</procedure> Implements al_get_timer_count. <setter>(timer-count-set! timer integer)</procedure> Implements al_set_timer_count. <procedure>(timer-count-add! timer integer)</procedure> Implements al_add_timer_count. <procedure>(timer-source timer)</procedure> Implements al_get_timer_event_source. === C Utilities Found in the allegro-c-util module. ==== (make-c-string-list obj) The obj parameter can either be a single string or list of strings. Returns a managed pointer to a NULL-terminated (char **) list suitable for use with GL extension methods. Description of your changes:

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