From 9533dc84d7addf792db4f4702b6fc7d7ddd20e78 Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Sun, 1 Sep 2019 14:35:03 +0200 Subject: Install libsquashfs.so headers on the system in "sqfs" subdirectory Signed-off-by: David Oberhollenzer --- include/block_processor.h | 111 ---------------------------------------------- 1 file changed, 111 deletions(-) delete mode 100644 include/block_processor.h (limited to 'include/block_processor.h') diff --git a/include/block_processor.h b/include/block_processor.h deleted file mode 100644 index 4944969..0000000 --- a/include/block_processor.h +++ /dev/null @@ -1,111 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * block_processor.h - * - * Copyright (C) 2019 David Oberhollenzer - */ -#ifndef BLOCK_PROCESSOR_H -#define BLOCK_PROCESSOR_H - -#include "config.h" -#include "compress.h" - -enum { - /* only calculate checksum, do NOT compress the data */ - BLK_DONT_COMPRESS = 0x0001, - - /* set by compressor worker if the block was actually compressed */ - BLK_IS_COMPRESSED = 0x0002, - - /* do not calculate block checksum */ - BLK_DONT_CHECKSUM = 0x0004, - - /* set by compressor worker if compression failed */ - BLK_COMPRESS_ERROR = 0x0008, - - /* first user setable block flag */ - BLK_USER = 0x0080 -}; - -typedef struct block_t { - /* used internally, ignored and overwritten when enqueueing blocks */ - struct block_t *next; - uint32_t sequence_number; - - /* Size of the data area */ - uint32_t size; - - /* checksum of the input data */ - uint32_t checksum; - - /* user settable file block index */ - uint32_t index; - - /* user pointer associated with the block */ - void *user; - - /* user settable flag field */ - uint32_t flags; - - /* raw data to be processed */ - uint8_t data[]; -} block_t; - -typedef struct block_processor_t block_processor_t; - -/* - Gets called for each processed block. May be called from a different thread - than the one that calls enqueue, but only from one thread at a time. - Guaranteed to be called on blocks in the order that they are submitted - to enqueue. - - A non-zero return value is interpreted as fatal error. - */ -typedef int (*block_cb)(void *user, block_t *blk); - -block_processor_t *block_processor_create(size_t max_block_size, - compressor_t *cmp, - unsigned int num_workers, - void *user, - block_cb callback); - -void block_processor_destroy(block_processor_t *proc); - -/* - Add a block to be processed. Returns non-zero on error and prints a message - to stderr. - - The function takes over ownership of the submitted block. It is freed with - a after processing and calling the block callback. - - Even on failure, the workers may still be running and - block_processor_finish must be called before cleaning up. -*/ -int block_processor_enqueue(block_processor_t *proc, block_t *block); - -/* - Wait for the compressor workers to finish. Returns zero on success, non-zero - if an internal error occoured or one of the block callbacks returned a - non-zero value. - */ -int block_processor_finish(block_processor_t *proc); - -/* - Convenience function to create a block structure and optionally fill it with - content. - - filename is used for printing error messages. If fd is a valid file - descriptor (>= 0), the function attempts to populate the payload data - from the input file. - */ -block_t *create_block(const char *filename, int fd, size_t size, - void *user, uint32_t flags); - -/* - Convenience function to process a data block. Returns 0 on success, - prints to stderr on failure. - */ -int process_block(block_t *block, compressor_t *cmp, - uint8_t *scratch, size_t scratch_size); - -#endif /* BLOCK_PROCESSOR_H */ -- cgit v1.2.3