diff options
author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-07 03:30:59 -0400 |
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committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-07 03:30:59 -0400 |
commit | 95253609a203224745027be76138e501cb1f2f96 (patch) | |
tree | 0c5ab03b2f0898c6bd65537e3244f2f6f6d9cddf /src/libbasic/prioq.h | |
parent | 33b6f3d4fd073aed475c3df66101b1993907e5d1 (diff) |
./move.sh
Diffstat (limited to 'src/libbasic/prioq.h')
-rw-r--r-- | src/libbasic/prioq.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/libbasic/prioq.h b/src/libbasic/prioq.h new file mode 100644 index 0000000000..113c73d040 --- /dev/null +++ b/src/libbasic/prioq.h @@ -0,0 +1,43 @@ +#pragma once + +/*** + This file is part of systemd. + + Copyright 2013 Lennart Poettering + + systemd 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 2.1 of the License, or + (at your option) any later version. + + systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <stdbool.h> + +#include "hashmap.h" +#include "macro.h" + +typedef struct Prioq Prioq; + +#define PRIOQ_IDX_NULL ((unsigned) -1) + +Prioq *prioq_new(compare_func_t compare); +Prioq *prioq_free(Prioq *q); +int prioq_ensure_allocated(Prioq **q, compare_func_t compare_func); + +int prioq_put(Prioq *q, void *data, unsigned *idx); +int prioq_remove(Prioq *q, void *data, unsigned *idx); +int prioq_reshuffle(Prioq *q, void *data, unsigned *idx); + +void *prioq_peek(Prioq *q) _pure_; +void *prioq_pop(Prioq *q); + +unsigned prioq_size(Prioq *q) _pure_; +bool prioq_isempty(Prioq *q) _pure_; |