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author | Tavian Barnes <tavianator@tavianator.com> | 2014-08-19 17:10:03 -0400 |
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committer | Tavian Barnes <tavianator@tavianator.com> | 2015-10-25 11:03:56 -0400 |
commit | 7b09710392d35fb55b52031d447a542d99fc6b4b (patch) | |
tree | 270eb927ee8c52ceeb99926ebf4843704775a610 /libdimension/future-internal.h | |
parent | 200c86b91ea7063d35be3bffc11c5da53c054653 (diff) | |
download | dimension-7b09710392d35fb55b52031d447a542d99fc6b4b.tar.xz |
Modularize the libdimension codebase.
Diffstat (limited to 'libdimension/future-internal.h')
-rw-r--r-- | libdimension/future-internal.h | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/libdimension/future-internal.h b/libdimension/future-internal.h deleted file mode 100644 index 7ca318a..0000000 --- a/libdimension/future-internal.h +++ /dev/null @@ -1,71 +0,0 @@ -/************************************************************************* - * Copyright (C) 2010-2014 Tavian Barnes <tavianator@tavianator.com> * - * * - * This file is part of The Dimension Library. * - * * - * The Dimension Library is free software; you can redistribute it and/ * - * or modify it under the terms of the GNU Lesser General Public License * - * as published by the Free Software Foundation; either version 3 of the * - * License, or (at your option) any later version. * - * * - * The Dimension Library is distributed in the hope that it will be * - * useful, but WITHOUT ANY WARRANTY; without even the implied warranty * - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * - * Lesser General Public License for more details. * - * * - * You should have received a copy of the GNU Lesser General Public * - * License along with this program. If not, see * - * <http://www.gnu.org/licenses/>. * - *************************************************************************/ - -/** - * @file - * Future object implementation. - */ - -#include <pthread.h> - -/// Allocate a new future object. -DMNSN_INTERNAL dmnsn_future *dmnsn_new_future(void); - -/// Set the total number of loop iterations. -DMNSN_INTERNAL void dmnsn_future_set_total(dmnsn_future *future, size_t total); -/// Increment the progress of a background task. -DMNSN_INTERNAL void dmnsn_future_increment(dmnsn_future *future); -/// Instantly complete the background teask. -DMNSN_INTERNAL void dmnsn_future_finish(dmnsn_future *future); -/// Set the number of worker threads. -DMNSN_INTERNAL void dmnsn_future_set_nthreads(dmnsn_future *future, - unsigned int nthreads); -/// Notify completion of a worker thread. -DMNSN_INTERNAL void dmnsn_future_finish_thread(dmnsn_future *future); - -struct dmnsn_future { - size_t progress; ///< Completed loop iterations. - size_t total; ///< Total expected loop iterations. - - /// The worker thread. - pthread_t thread; - - /// Mutex to guard progress and total. - pthread_mutex_t mutex; - - /// Condition variable for waiting for a particular amount of progress. - pthread_cond_t cond; - - /// Minimum waited-on value. - double min_wait; - - /// Number of threads working on the future's background task. - unsigned int nthreads; - /// Number of threads not yet paused. - unsigned int nrunning; - /// Count of threads holding the future paused. - unsigned int npaused; - /// Condition variable for waiting for nrunning == 0. - pthread_cond_t none_running_cond; - /// Condition variable for waiting for nrunning == nthreads. - pthread_cond_t all_running_cond; - /// Condition variable for waiting for npaused == 0. - pthread_cond_t resume_cond; -}; |