73 lines
2.4 KiB
C
73 lines
2.4 KiB
C
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/* _,.---._ .-._ .--.-. ,--.--------.
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* _,..---._ ,-.' , - `. /==/ \ .-._/==/ //==/, - , -\
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* /==/, - \ /==/_, , - \|==|, \/ /, |==\ -\\==\.-. - ,-./
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* |==| _ _\==| .=. |==|- \| | \==\- \`--`\==\- \
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* |==| .=. |==|_ : ;=: - |==| , | -| `--`-' \==\_ \
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* |==|,| | -|==| , '=' |==| - _ | |==|- |
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* |==| '=' /\==\ - ,_ /|==| /\ , | |==|, |
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* |==|-, _`/ '.='. - .' /==/, | |- | /==/ -/
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* `-.`.____.' `--`--'' `--`./ `--` `--`--`
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* _ __ ,---. .-._ .=-.-. _,.----.
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* .-`.' ,`..--.' \ /==/ \ .-._ /==/_ /.' .' - \
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* /==/, - \==\-/\ \ |==|, \/ /, /==|, |/==/ , ,-'
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* |==| _ .=. /==/-|_\ | |==|- \| ||==| ||==|- | .
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* |==| , '=',\==\, - \ |==| , | -||==|- ||==|_ `-' \
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* |==|- '..'/==/ - ,| |==| - _ ||==| ,||==| _ , |
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* |==|, | /==/- /\ - \|==| /\ , ||==|- |\==\. /
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* /==/ - | \==\ _.\=\.-'/==/, | |- |/==/. / `-.`.___.-'
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* `--`---' `--` `--`./ `--``--`-`
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*
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* @(#)Copyright (c) 2023, Nathan D. Fisher.
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*
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* This is free software. It comes with NO WARRANTY.
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* Permission to use, modify and distribute this source code
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* is granted subject to the following conditions.
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* 1/ that the above copyright notice and this notice
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* are preserved in all copies and that due credit be given
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* to the author.
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* 2/ that any changes to this code are clearly commented
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* as such so that the author does not get blamed for bugs
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* other than his own.
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*/
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#ifndef MQ_H
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#define MQ_H 1
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#include <pthread.h>
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#include "haggis.h"
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typedef enum {
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NodeCreated,
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NodeExtracted,
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EndOfArchive,
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ArchiveError,
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} haggis_message_type;
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typedef union {
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char *f_name;
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int errno;
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} haggis_message_body;
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struct _mq_node {
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struct _mq_node *prev;
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struct _mq_node *next;
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haggis_message_type tag;
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haggis_message_body body;
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};
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typedef struct _mq_node haggis_msg;
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typedef struct {
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pthread_cond_t *cond;
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size_t count;
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pthread_mutex_t *mutex;
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haggis_msg *head;
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haggis_msg *tail;
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} haggis_mq;
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int haggis_mq_push(haggis_mq *queue, haggis_msg *msg);
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haggis_msg* haggis_mq_pop(haggis_mq *queue);
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#endif // !JOBQ_H
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