Function test_mmap_write

lib_acl_cpp/samples/string/string5/main.cpp:14–35

}

static void test_mmap_write(int max, size_t off)
{
	const char* filename = "local.map";
	acl::fstream fp;
	if (!fp.open(filename, O_RDWR | O_CREAT /* | O_TRUNC */, 0600))
	{
		printf("open %s error %s\r\n", filename, acl::last_serror());
		return;
	}

	size_t max_len = 1024 * 1024 * 500, init_len = 4096;
	acl::string buf(fp.file_handle(), max_len, init_len, off);

	ACL_METER_TIME(">> begin acl::string");

	for (int i = 0; i < max; i++)
	{
		test_append(buf);
	}

	ACL_METER_TIME(">> end acl::string");
}

static void test_mmap_read(size_t off)
{