예제 #1
0
static void test_for_size(size_t size)
{
	struct ewah_bitmap *a = generate_bitmap(size);
	struct ewah_bitmap *b = generate_bitmap(size);
	struct ewah_bitmap *result = ewah_new();
	size_t i;

	struct {
		const char *name;
		void (*generate)(struct ewah_bitmap *, struct ewah_bitmap *, struct ewah_bitmap *);
		size_t (*check)(size_t, size_t);
	} tests[] = {
		{"or", &ewah_or, &op_or},
		{"xor", &ewah_xor, &op_xor},
		{"and", &ewah_and, &op_and},
		{"and-not", &ewah_and_not, &op_andnot}
	};

	for (i = 0; i < sizeof(tests)/sizeof(tests[0]); ++i) {
		fprintf(stderr, "'%s' in %zu bits... ", tests[i].name, size);

		tests[i].generate(a, b, result);

		if (verify_operation(a, b, result, tests[i].check))
			fprintf(stderr, "OK\n");

		ewah_clear(result);
	}

	ewah_free(a);
	ewah_free(b);
	ewah_free(result);
}
예제 #2
0
파일: fsmonitor.c 프로젝트: DoWonJin/git
void write_fsmonitor_extension(struct strbuf *sb, struct index_state *istate)
{
	uint32_t hdr_version;
	uint64_t tm;
	uint32_t ewah_start;
	uint32_t ewah_size = 0;
	int fixup = 0;

	put_be32(&hdr_version, INDEX_EXTENSION_VERSION);
	strbuf_add(sb, &hdr_version, sizeof(uint32_t));

	put_be64(&tm, istate->fsmonitor_last_update);
	strbuf_add(sb, &tm, sizeof(uint64_t));
	fixup = sb->len;
	strbuf_add(sb, &ewah_size, sizeof(uint32_t)); /* we'll fix this up later */

	ewah_start = sb->len;
	ewah_serialize_strbuf(istate->fsmonitor_dirty, sb);
	ewah_free(istate->fsmonitor_dirty);
	istate->fsmonitor_dirty = NULL;

	/* fix up size field */
	put_be32(&ewah_size, sb->len - ewah_start);
	memcpy(sb->buf + fixup, &ewah_size, sizeof(uint32_t));

	trace_printf_key(&trace_fsmonitor, "write fsmonitor extension successful");
}
예제 #3
0
파일: fsmonitor.c 프로젝트: DoWonJin/git
int read_fsmonitor_extension(struct index_state *istate, const void *data,
	unsigned long sz)
{
	const char *index = data;
	uint32_t hdr_version;
	uint32_t ewah_size;
	struct ewah_bitmap *fsmonitor_dirty;
	int ret;

	if (sz < sizeof(uint32_t) + sizeof(uint64_t) + sizeof(uint32_t))
		return error("corrupt fsmonitor extension (too short)");

	hdr_version = get_be32(index);
	index += sizeof(uint32_t);
	if (hdr_version != INDEX_EXTENSION_VERSION)
		return error("bad fsmonitor version %d", hdr_version);

	istate->fsmonitor_last_update = get_be64(index);
	index += sizeof(uint64_t);

	ewah_size = get_be32(index);
	index += sizeof(uint32_t);

	fsmonitor_dirty = ewah_new();
	ret = ewah_read_mmap(fsmonitor_dirty, index, ewah_size);
	if (ret != ewah_size) {
		ewah_free(fsmonitor_dirty);
		return error("failed to parse ewah bitmap reading fsmonitor index extension");
	}
	istate->fsmonitor_dirty = fsmonitor_dirty;

	trace_printf_key(&trace_fsmonitor, "read fsmonitor extension successful");
	return 0;
}
예제 #4
0
파일: ewah_bitmap.c 프로젝트: 0369/git
void ewah_pool_free(struct ewah_bitmap *self)
{
	if (self == NULL)
		return;

	if (bitmap_pool_size == BITMAP_POOL_MAX ||
		self->alloc_size == 0) {
		ewah_free(self);
		return;
	}

	ewah_clear(self);
	bitmap_pool[bitmap_pool_size++] = self;
}
예제 #5
0
파일: fsmonitor.c 프로젝트: DoWonJin/git
void tweak_fsmonitor(struct index_state *istate)
{
	int i;
	int fsmonitor_enabled = git_config_get_fsmonitor();

	if (istate->fsmonitor_dirty) {
		if (fsmonitor_enabled) {
			/* Mark all entries valid */
			for (i = 0; i < istate->cache_nr; i++) {
				istate->cache[i]->ce_flags |= CE_FSMONITOR_VALID;
			}

			/* Mark all previously saved entries as dirty */
			ewah_each_bit(istate->fsmonitor_dirty, fsmonitor_ewah_callback, istate);

			/* Now mark the untracked cache for fsmonitor usage */
			if (istate->untracked)
				istate->untracked->use_fsmonitor = 1;
		}

		ewah_free(istate->fsmonitor_dirty);
		istate->fsmonitor_dirty = NULL;
	}

	switch (fsmonitor_enabled) {
	case -1: /* keep: do nothing */
		break;
	case 0: /* false */
		remove_fsmonitor(istate);
		break;
	case 1: /* true */
		add_fsmonitor(istate);
		break;
	default: /* unknown value: do nothing */
		break;
	}
}