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-rw-r--r--src/safe_fifo.h71
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diff --git a/src/safe_fifo.h b/src/safe_fifo.h
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-/**
- * \file safe_fifo.h
- * Thread-safe FIFO queue.
- */
-
-#ifndef SAFE_FIFO_H
-#define SAFE_FIFO_H
-
-#include "timespec.h"
-
-/**
- * Opaque type describing a thread-safe FIFO queue
- */
-typedef struct safe_fifo_t safe_fifo_t;
-
-/**
- * Create a new queue.
- * The new queue will have a reference count of one.
- * Returns NULL in case of allocation errors.
- * @return a new queue
- */
-MALLOC safe_fifo_t* safe_fifo_new(void);
-
-/**
- * Increase the reference count on the queue.
- * @param fifo queue, may not be NULL
- */
-NONULL void safe_fifo_ref(safe_fifo_t* fifo);
-
-/**
- * Decrease the reference count on the queue and free if it goes down to zero.
- * @param fifo queue, may be NULL
- */
-void safe_fifo_unref(safe_fifo_t* fifo);
-
-/**
- * Push an item on the queue.
- * Will never block. In case of allocation errors, new items are ignored.
- * @param fifo queue, may not be NULL
- * @param item pointer to add to queue, may not be NULL
- */
-NONULL void safe_fifo_push(safe_fifo_t* fifo, void* item);
-
-/**
- * Pop an item from the queue.
- * Will block until there is an item available.
- * @param fifo queue, may not be NULL
- * @return oldest item pushed onto the queue
- */
-NONULL void* safe_fifo_pop(safe_fifo_t* fifo);
-
-/**
- * Try to pop an item from the queue.
- * Will not wait until there is an item available.
- * @param fifo queue, may not be NULL
- * @return oldest item in queue if any otherwise NULL
- */
-NONULL void* safe_fifo_trypop(safe_fifo_t* fifo);
-
-/**
- * Try to pop an item from the queue.
- * Waits until abstime has occurred before giving up and returning NULL.
- * Use thread_abstime() to fill out the abstime.
- * @param fifo queue, may not be NULL
- * @param abstime absolute time when to give up
- * @return oldest item in queue if any otherwise NULL
- */
-NONULL void* safe_fifo_timedpop(safe_fifo_t* fifo,
- const struct timespec *abstime);
-
-#endif /* SAFE_FIFO_H */