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#ifndef INTERNAL_H
#define INTERNAL_H
#include "config.h"
#include "sqfs/predef.h"
#include "sqfs/block_processor.h"
#include "sqfs/compress.h"
#include "sqfs/error.h"
#include "util.h"
#include <string.h>
#include <stdlib.h>
#ifdef WITH_PTHREAD
#include <pthread.h>
#endif
#ifdef WITH_PTHREAD
typedef struct {
sqfs_block_processor_t *shared;
sqfs_compressor_t *cmp;
pthread_t thread;
uint8_t scratch[];
} compress_worker_t;
#endif
struct sqfs_block_processor_t {
/* synchronization primitives */
#ifdef WITH_PTHREAD
pthread_mutex_t mtx;
pthread_cond_t queue_cond;
pthread_cond_t done_cond;
#endif
/* needs rw access by worker and main thread */
sqfs_block_t *queue;
sqfs_block_t *queue_last;
sqfs_block_t *done;
bool terminate;
size_t backlog;
/* used by main thread only */
uint32_t enqueue_id;
uint32_t dequeue_id;
unsigned int num_workers;
sqfs_block_cb cb;
void *user;
int status;
size_t max_backlog;
/* used only by workers */
size_t max_block_size;
#ifdef WITH_PTHREAD
compress_worker_t *workers[];
#else
sqfs_compressor_t *cmp;
uint8_t scratch[];
#endif
};
SQFS_INTERNAL
int sqfs_block_process(sqfs_block_t *block, sqfs_compressor_t *cmp,
uint8_t *scratch, size_t scratch_size);
SQFS_INTERNAL int process_completed_blocks(sqfs_block_processor_t *proc,
sqfs_block_t *queue);
#endif /* INTERNAL_H */
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