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Classes | |
struct | queue_state_t |
Defines | |
#define | _SPANDSP_QUEUE_H_ |
#define | QUEUE_READ_ATOMIC 0x0001 |
#define | QUEUE_WRITE_ATOMIC 0x0002 |
#define | QUEUE_STATE_T_SIZE(len) (sizeof(queue_state_t) + len + 1) |
Functions | |
int | queue_empty (queue_state_t *s) |
Check if a queue is empty. | |
int | queue_free_space (queue_state_t *s) |
Check available free space. | |
int | queue_contents (queue_state_t *s) |
Check the contents of a queue. | |
void | queue_flush (queue_state_t *s) |
Flush the contents of a queue. | |
int | queue_view (queue_state_t *s, uint8_t *buf, int len) |
Copy bytes from a queue. | |
int | queue_read (queue_state_t *s, uint8_t *buf, int len) |
Read bytes from a queue. | |
int | queue_read_byte (queue_state_t *s) |
Read a byte from a queue. | |
int | queue_write (queue_state_t *s, const uint8_t *buf, int len) |
Write bytes to a queue. | |
int | queue_write_byte (queue_state_t *s, uint8_t byte) |
Write a byte to a queue. | |
int | queue_state_test_msg (queue_state_t *s) |
Test message length. | |
int | queue_read_msg (queue_state_t *s, uint8_t *buf, int len) |
Read a message from a queue. | |
int | queue_write_msg (queue_state_t *s, const uint8_t *buf, int len) |
Write a message to a queue. | |
queue_state_t * | queue_init (queue_state_t *s, int len, int flags) |
Initialise a queue. | |
int | queue_free (queue_state_t *s) |
Delete a queue. |
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Flag bit to indicate queue reads are atomic operations. This must be set if the queue is to be used with the message oriented functions. |
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Flag bit to indicate queue writes are atomic operations. This must be set if the queue is to be used with the message oriented functions. |
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Check the contents of a queue. Check the contents of a queue.
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Check if a queue is empty. Check if a queue is empty.
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Flush the contents of a queue. Flush the contents of a queue.
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Delete a queue. Delete a queue.
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Check available free space. Check the available free space in a queue's buffer.
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Initialise a queue. Initialise a queue.
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Read bytes from a queue. Read bytes from a queue.
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Read a byte from a queue. Read a byte from a queue.
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Read a message from a queue. Read a message from a queue. If the message is longer than the buffer provided, only the first len bytes of the message will be returned. The remainder of the message will be discarded.
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Test message length. Test the length of the message at the head of a queue.
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Copy bytes from a queue. Copy bytes from a queue. This is similar to queue_read, but the data remains in the queue.
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Write bytes to a queue. Write bytes to a queue.
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Write a byte to a queue. Write a byte to a queue.
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Write a message to a queue. Write a message to a queue.
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