Cross Reference: /src/external/bsd/zstd/dist/lib/compress/zstd

Lines Matching defs:workspace
26 /* Since the workspace is effectively its own little malloc implementation /
28  * each internal element of the workspace, so ASAN will catch overruns that
29  * reach outside an object but that stay inside the workspace.
52  * Used to describe whether the workspace is statically allocated (and will not
65  * is called the workspace.
68  * from this workspace for each internal datastructure:
88  * - We would like to reuse the objects in the workspace for multiple
92  * - We would like to be able to efficiently reuse the workspace across
99  * Workspace Layout:
101  * [                        ... workspace ...                           ]
104  * The various objects that live in the workspace are divided into the
109  *   this must be the first object in the workspace, since ZSTD_customFree{CCtx,
114  *   nonetheless "dynamically" allocated in the workspace so that we can
117  *   - Entropy Workspace
146  * correctly packed into the workspace buffer. That order is:
156     void* workspace;
180     assert(ws->workspace <= ws->objectEnd);
187     assert(ws->workspace <= ws->initOnceStart);
213  * Use this to determine how much space in the workspace we will consume to
273  * which we can allocate from the end of the workspace.
350  * Returns whether this object/buffer/etc was allocated in this workspace.
354     return (ptr != NULL) && (ws->workspace <= ptr) && (ptr < ws->workspaceEnd);
415          * 1. Not usable as initOnce memory (end of workspace)
454      * start of the workspace */
489  * Note : should happen only once, at workspace first initialization
531  * Note : should happen only once, at workspace first initialization
605     /* We don't do this when the workspace is statically allocated, because
607      * workspace's lifecycle to unpoison the memory.
629      * the workspace except for the areas in which we expect memory reuse
641     /* We don't do this when the workspace is statically allocated, because
643      * workspace's lifecycle to unpoison the memory.
661     return (size_t)((BYTE*)ws->workspaceEnd - (BYTE*)ws->workspace);
665     return (size_t)((BYTE*)ws->tableEnd - (BYTE*)ws->workspace)
670  * The provided workspace takes ownership of the buffer [start, start+size).
671  * Any existing values in the workspace are ignored (the previously managed
675     DEBUGLOG(4, "cwksp: init'ing workspace with %zd bytes", size);
677     ws->workspace = start;
679     ws->objectEnd = ws->workspace;
690     void* workspace = ZSTD_customMalloc(size, customMem);
691     DEBUGLOG(4, "cwksp: creating new workspace with %zd bytes", size);
692     RETURN_ERROR_IF(workspace == NULL, memory_allocation, "NULL pointer!");
693     ZSTD_cwksp_init(ws, workspace, size, ZSTD_cwksp_dynamic_alloc);
698     void *ptr = ws->workspace;
699     DEBUGLOG(4, "cwksp: freeing workspace");
710  * Moves the management of a workspace from one cwksp to another. The src cwksp
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