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-rw-r--r--lib/sqfs/Makemodule.am1
-rw-r--r--lib/sqfs/blk_proc/internal.h56
-rw-r--r--lib/sqfs/blk_proc/process_block.c20
-rw-r--r--lib/sqfs/blk_proc/pthread.c64
-rw-r--r--lib/sqfs/blk_proc/serial.c36
5 files changed, 85 insertions, 92 deletions
diff --git a/lib/sqfs/Makemodule.am b/lib/sqfs/Makemodule.am
index cb003c0..16a07e9 100644
--- a/lib/sqfs/Makemodule.am
+++ b/lib/sqfs/Makemodule.am
@@ -28,6 +28,7 @@ libsquashfs_la_LIBADD += $(ZSTD_LIBS) $(PTHREAD_LIBS) libutil.la
if HAVE_PTHREAD
libsquashfs_la_SOURCES += lib/sqfs/blk_proc/pthread.c
+libsquashfs_la_CPPFLAGS += -DWITH_PTHREAD
else
libsquashfs_la_SOURCES += lib/sqfs/blk_proc/serial.c
endif
diff --git a/lib/sqfs/blk_proc/internal.h b/lib/sqfs/blk_proc/internal.h
index 1c33999..85c7783 100644
--- a/lib/sqfs/blk_proc/internal.h
+++ b/lib/sqfs/blk_proc/internal.h
@@ -9,8 +9,64 @@
#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 */
diff --git a/lib/sqfs/blk_proc/process_block.c b/lib/sqfs/blk_proc/process_block.c
index 0eae244..1b6ee29 100644
--- a/lib/sqfs/blk_proc/process_block.c
+++ b/lib/sqfs/blk_proc/process_block.c
@@ -36,3 +36,23 @@ int sqfs_block_process(sqfs_block_t *block, sqfs_compressor_t *cmp,
return 0;
}
+
+int process_completed_blocks(sqfs_block_processor_t *proc, sqfs_block_t *queue)
+{
+ sqfs_block_t *it;
+
+ while (queue != NULL) {
+ it = queue;
+ queue = queue->next;
+
+ if (it->flags & SQFS_BLK_COMPRESS_ERROR) {
+ proc->status = SQFS_ERROR_COMRPESSOR;
+ } else if (proc->status == 0) {
+ proc->status = proc->cb(proc->user, it);
+ }
+
+ free(it);
+ }
+
+ return proc->status;
+}
diff --git a/lib/sqfs/blk_proc/pthread.c b/lib/sqfs/blk_proc/pthread.c
index f56dfe1..565bad2 100644
--- a/lib/sqfs/blk_proc/pthread.c
+++ b/lib/sqfs/blk_proc/pthread.c
@@ -7,46 +7,6 @@
#define SQFS_BUILDING_DLL
#include "internal.h"
-#include <pthread.h>
-#include <string.h>
-#include <stdlib.h>
-
-typedef struct {
- sqfs_block_processor_t *shared;
- sqfs_compressor_t *cmp;
- pthread_t thread;
- uint8_t scratch[];
-} compress_worker_t;
-
-struct sqfs_block_processor_t {
- pthread_mutex_t mtx;
- pthread_cond_t queue_cond;
- pthread_cond_t done_cond;
-
- /* 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;
-
- compress_worker_t *workers[];
-};
-
static void store_completed_block(sqfs_block_processor_t *shared,
sqfs_block_t *blk)
{
@@ -222,30 +182,6 @@ void sqfs_block_processor_destroy(sqfs_block_processor_t *proc)
free(proc);
}
-static int process_completed_blocks(sqfs_block_processor_t *proc,
- sqfs_block_t *queue)
-{
- sqfs_block_t *it;
- int ret;
-
- while (queue != NULL) {
- it = queue;
- queue = queue->next;
-
- if (it->flags & SQFS_BLK_COMPRESS_ERROR) {
- proc->status = SQFS_ERROR_COMRPESSOR;
- } else {
- ret = proc->cb(proc->user, it);
- if (ret)
- proc->status = ret;
- }
-
- free(it);
- }
-
- return proc->status;
-}
-
int sqfs_block_processor_enqueue(sqfs_block_processor_t *proc,
sqfs_block_t *block)
{
diff --git a/lib/sqfs/blk_proc/serial.c b/lib/sqfs/blk_proc/serial.c
index 85f39fe..ee172de 100644
--- a/lib/sqfs/blk_proc/serial.c
+++ b/lib/sqfs/blk_proc/serial.c
@@ -7,19 +7,6 @@
#define SQFS_BUILDING_DLL
#include "internal.h"
-#include <string.h>
-#include <stdlib.h>
-
-struct sqfs_block_processor_t {
- size_t max_block_size;
- sqfs_compressor_t *cmp;
- sqfs_block_cb cb;
- void *user;
- int status;
-
- uint8_t scratch[];
-};
-
sqfs_block_processor_t *sqfs_block_processor_create(size_t max_block_size,
sqfs_compressor_t *cmp,
unsigned int num_workers,
@@ -51,23 +38,16 @@ void sqfs_block_processor_destroy(sqfs_block_processor_t *proc)
int sqfs_block_processor_enqueue(sqfs_block_processor_t *proc,
sqfs_block_t *block)
{
- int ret;
-
- ret = sqfs_block_process(block, proc->cmp,
- proc->scratch, proc->max_block_size);
- if (ret)
- goto fail;
+ if (proc->status != 0) {
+ free(block);
+ return proc->status;
+ }
- ret = proc->cb(proc->user, block);
- if (ret)
- goto fail;
+ proc->status = sqfs_block_process(block, proc->cmp,
+ proc->scratch, proc->max_block_size);
- free(block);
- return 0;
-fail:
- free(block);
- proc->status = ret;
- return ret;
+ block->next = NULL;
+ return process_completed_blocks(proc, block);
}
int sqfs_block_processor_finish(sqfs_block_processor_t *proc)
generated by cgit v1.2.3 (git 2.39.1) at 2025-10-26 12:40:37 +0000