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author | Matthias Schiffer <mschiffer@universe-factory.net> | 2013-08-29 11:53:34 +0200 |
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committer | Matthias Schiffer <mschiffer@universe-factory.net> | 2013-08-29 11:53:34 +0200 |
commit | 620f1cd45f44eb2dc2d9dd16bdf6ba4512a1bd69 (patch) | |
tree | b499f013579302ee0c57538a8879d56c86dd756c /src/dlist.h | |
parent | dcaf41a18e1bd9014d1cf3ca7a7129a1be76e811 (diff) | |
download | fastd-620f1cd45f44eb2dc2d9dd16bdf6ba4512a1bd69.tar fastd-620f1cd45f44eb2dc2d9dd16bdf6ba4512a1bd69.zip |
Replace old task queue
The handshakes are now schedules in a doubly-linked list that is maintained as a
part of the peer structure.
Diffstat (limited to 'src/dlist.h')
-rw-r--r-- | src/dlist.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/dlist.h b/src/dlist.h new file mode 100644 index 0000000..98b7fd3 --- /dev/null +++ b/src/dlist.h @@ -0,0 +1,63 @@ +/* + Copyright (c) 2012-2013, Matthias Schiffer <mschiffer@universe-factory.net> + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#ifndef _FASTD_DLIST_H_ +#define _FASTD_DLIST_H_ + +#include "types.h" + +#include <stdlib.h> + + +typedef struct fastd_dlist_head fastd_dlist_head_t; + +struct fastd_dlist_head { + fastd_dlist_head_t *prev; + fastd_dlist_head_t *next; +}; + + +static inline void fastd_dlist_insert(fastd_dlist_head_t *list, fastd_dlist_head_t *elem) { + elem->prev = list; + elem->next = list->next; + + list->next = elem; + + if (elem->next) + elem->next->prev = elem; +} + +static inline void fastd_dlist_remove(fastd_dlist_head_t *elem) { + if (elem->prev) + elem->prev->next = elem->next; + + if (elem->next) + elem->next->prev = elem->prev; + + elem->prev = elem->next = NULL; +} + +#endif /* _FASTD_DLIST_H_ */ |