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  26 <div class="titlepage"><div><div><h4 class="title">
  27 <a name="boost_asio.reference.ip__tcp.acceptor"></a><a class="link" href="acceptor.html" title="ip::tcp::acceptor">ip::tcp::acceptor</a>
  28 </h4></div></div></div>
  29 <p>
  30           <a class="indexterm" name="boost_asio.indexterm.ip__tcp.acceptor"></a>
  31 The TCP acceptor type.
  32         </p>
  33 <pre class="programlisting">typedef basic_socket_acceptor&lt; tcp &gt; acceptor;
  34 </pre>
  35 <h6>
  36 <a name="boost_asio.reference.ip__tcp.acceptor.h0"></a>
  37           <span class="phrase"><a name="boost_asio.reference.ip__tcp.acceptor.types"></a></span><a class="link" href="acceptor.html#boost_asio.reference.ip__tcp.acceptor.types">Types</a>
  38         </h6>
  39 <div class="informaltable"><table class="table">
  40 <colgroup>
  41 <col>
  42 <col>
  43 </colgroup>
  44 <thead><tr>
  45 <th>
  46                   <p>
  47                     Name
  48                   </p>
  49                 </th>
  50 <th>
  51                   <p>
  52                     Description
  53                   </p>
  54                 </th>
  55 </tr></thead>
  56 <tbody>
  57 <tr>
  58 <td>
  59                   <p>
  60                     <a class="link" href="../basic_socket_acceptor__rebind_executor.html" title="basic_socket_acceptor::rebind_executor"><span class="bold"><strong>rebind_executor</strong></span></a>
  61                   </p>
  62                 </td>
  63 <td>
  64                   <p>
  65                     Rebinds the acceptor type to another executor.
  66                   </p>
  67                 </td>
  68 </tr>
  69 <tr>
  70 <td>
  71                   <p>
  72                     <a class="link" href="../basic_socket_acceptor/broadcast.html" title="basic_socket_acceptor::broadcast"><span class="bold"><strong>broadcast</strong></span></a>
  73                   </p>
  74                 </td>
  75 <td>
  76                   <p>
  77                     Socket option to permit sending of broadcast messages.
  78                   </p>
  79                 </td>
  80 </tr>
  81 <tr>
  82 <td>
  83                   <p>
  84                     <a class="link" href="../basic_socket_acceptor/bytes_readable.html" title="basic_socket_acceptor::bytes_readable"><span class="bold"><strong>bytes_readable</strong></span></a>
  85                   </p>
  86                 </td>
  87 <td>
  88                   <p>
  89                     IO control command to get the amount of data that can be read
  90                     without blocking.
  91                   </p>
  92                 </td>
  93 </tr>
  94 <tr>
  95 <td>
  96                   <p>
  97                     <a class="link" href="../basic_socket_acceptor/debug.html" title="basic_socket_acceptor::debug"><span class="bold"><strong>debug</strong></span></a>
  98                   </p>
  99                 </td>
 100 <td>
 101                   <p>
 102                     Socket option to enable socket-level debugging.
 103                   </p>
 104                 </td>
 105 </tr>
 106 <tr>
 107 <td>
 108                   <p>
 109                     <a class="link" href="../basic_socket_acceptor/do_not_route.html" title="basic_socket_acceptor::do_not_route"><span class="bold"><strong>do_not_route</strong></span></a>
 110                   </p>
 111                 </td>
 112 <td>
 113                   <p>
 114                     Socket option to prevent routing, use local interfaces only.
 115                   </p>
 116                 </td>
 117 </tr>
 118 <tr>
 119 <td>
 120                   <p>
 121                     <a class="link" href="../basic_socket_acceptor/enable_connection_aborted.html" title="basic_socket_acceptor::enable_connection_aborted"><span class="bold"><strong>enable_connection_aborted</strong></span></a>
 122                   </p>
 123                 </td>
 124 <td>
 125                   <p>
 126                     Socket option to report aborted connections on accept.
 127                   </p>
 128                 </td>
 129 </tr>
 130 <tr>
 131 <td>
 132                   <p>
 133                     <a class="link" href="../basic_socket_acceptor/endpoint_type.html" title="basic_socket_acceptor::endpoint_type"><span class="bold"><strong>endpoint_type</strong></span></a>
 134                   </p>
 135                 </td>
 136 <td>
 137                   <p>
 138                     The endpoint type.
 139                   </p>
 140                 </td>
 141 </tr>
 142 <tr>
 143 <td>
 144                   <p>
 145                     <a class="link" href="../basic_socket_acceptor/executor_type.html" title="basic_socket_acceptor::executor_type"><span class="bold"><strong>executor_type</strong></span></a>
 146                   </p>
 147                 </td>
 148 <td>
 149                   <p>
 150                     The type of the executor associated with the object.
 151                   </p>
 152                 </td>
 153 </tr>
 154 <tr>
 155 <td>
 156                   <p>
 157                     <a class="link" href="../basic_socket_acceptor/keep_alive.html" title="basic_socket_acceptor::keep_alive"><span class="bold"><strong>keep_alive</strong></span></a>
 158                   </p>
 159                 </td>
 160 <td>
 161                   <p>
 162                     Socket option to send keep-alives.
 163                   </p>
 164                 </td>
 165 </tr>
 166 <tr>
 167 <td>
 168                   <p>
 169                     <a class="link" href="../basic_socket_acceptor/linger.html" title="basic_socket_acceptor::linger"><span class="bold"><strong>linger</strong></span></a>
 170                   </p>
 171                 </td>
 172 <td>
 173                   <p>
 174                     Socket option to specify whether the socket lingers on close
 175                     if unsent data is present.
 176                   </p>
 177                 </td>
 178 </tr>
 179 <tr>
 180 <td>
 181                   <p>
 182                     <a class="link" href="../basic_socket_acceptor/message_flags.html" title="basic_socket_acceptor::message_flags"><span class="bold"><strong>message_flags</strong></span></a>
 183                   </p>
 184                 </td>
 185 <td>
 186                   <p>
 187                     Bitmask type for flags that can be passed to send and receive
 188                     operations.
 189                   </p>
 190                 </td>
 191 </tr>
 192 <tr>
 193 <td>
 194                   <p>
 195                     <a class="link" href="../basic_socket_acceptor/native_handle_type.html" title="basic_socket_acceptor::native_handle_type"><span class="bold"><strong>native_handle_type</strong></span></a>
 196                   </p>
 197                 </td>
 198 <td>
 199                   <p>
 200                     The native representation of an acceptor.
 201                   </p>
 202                 </td>
 203 </tr>
 204 <tr>
 205 <td>
 206                   <p>
 207                     <a class="link" href="../basic_socket_acceptor/out_of_band_inline.html" title="basic_socket_acceptor::out_of_band_inline"><span class="bold"><strong>out_of_band_inline</strong></span></a>
 208                   </p>
 209                 </td>
 210 <td>
 211                   <p>
 212                     Socket option for putting received out-of-band data inline.
 213                   </p>
 214                 </td>
 215 </tr>
 216 <tr>
 217 <td>
 218                   <p>
 219                     <a class="link" href="../basic_socket_acceptor/protocol_type.html" title="basic_socket_acceptor::protocol_type"><span class="bold"><strong>protocol_type</strong></span></a>
 220                   </p>
 221                 </td>
 222 <td>
 223                   <p>
 224                     The protocol type.
 225                   </p>
 226                 </td>
 227 </tr>
 228 <tr>
 229 <td>
 230                   <p>
 231                     <a class="link" href="../basic_socket_acceptor/receive_buffer_size.html" title="basic_socket_acceptor::receive_buffer_size"><span class="bold"><strong>receive_buffer_size</strong></span></a>
 232                   </p>
 233                 </td>
 234 <td>
 235                   <p>
 236                     Socket option for the receive buffer size of a socket.
 237                   </p>
 238                 </td>
 239 </tr>
 240 <tr>
 241 <td>
 242                   <p>
 243                     <a class="link" href="../basic_socket_acceptor/receive_low_watermark.html" title="basic_socket_acceptor::receive_low_watermark"><span class="bold"><strong>receive_low_watermark</strong></span></a>
 244                   </p>
 245                 </td>
 246 <td>
 247                   <p>
 248                     Socket option for the receive low watermark.
 249                   </p>
 250                 </td>
 251 </tr>
 252 <tr>
 253 <td>
 254                   <p>
 255                     <a class="link" href="../basic_socket_acceptor/reuse_address.html" title="basic_socket_acceptor::reuse_address"><span class="bold"><strong>reuse_address</strong></span></a>
 256                   </p>
 257                 </td>
 258 <td>
 259                   <p>
 260                     Socket option to allow the socket to be bound to an address that
 261                     is already in use.
 262                   </p>
 263                 </td>
 264 </tr>
 265 <tr>
 266 <td>
 267                   <p>
 268                     <a class="link" href="../basic_socket_acceptor/send_buffer_size.html" title="basic_socket_acceptor::send_buffer_size"><span class="bold"><strong>send_buffer_size</strong></span></a>
 269                   </p>
 270                 </td>
 271 <td>
 272                   <p>
 273                     Socket option for the send buffer size of a socket.
 274                   </p>
 275                 </td>
 276 </tr>
 277 <tr>
 278 <td>
 279                   <p>
 280                     <a class="link" href="../basic_socket_acceptor/send_low_watermark.html" title="basic_socket_acceptor::send_low_watermark"><span class="bold"><strong>send_low_watermark</strong></span></a>
 281                   </p>
 282                 </td>
 283 <td>
 284                   <p>
 285                     Socket option for the send low watermark.
 286                   </p>
 287                 </td>
 288 </tr>
 289 <tr>
 290 <td>
 291                   <p>
 292                     <a class="link" href="../basic_socket_acceptor/shutdown_type.html" title="basic_socket_acceptor::shutdown_type"><span class="bold"><strong>shutdown_type</strong></span></a>
 293                   </p>
 294                 </td>
 295 <td>
 296                   <p>
 297                     Different ways a socket may be shutdown.
 298                   </p>
 299                 </td>
 300 </tr>
 301 <tr>
 302 <td>
 303                   <p>
 304                     <a class="link" href="../basic_socket_acceptor/wait_type.html" title="basic_socket_acceptor::wait_type"><span class="bold"><strong>wait_type</strong></span></a>
 305                   </p>
 306                 </td>
 307 <td>
 308                   <p>
 309                     Wait types.
 310                   </p>
 311                 </td>
 312 </tr>
 313 </tbody>
 314 </table></div>
 315 <h6>
 316 <a name="boost_asio.reference.ip__tcp.acceptor.h1"></a>
 317           <span class="phrase"><a name="boost_asio.reference.ip__tcp.acceptor.member_functions"></a></span><a class="link" href="acceptor.html#boost_asio.reference.ip__tcp.acceptor.member_functions">Member
 318           Functions</a>
 319         </h6>
 320 <div class="informaltable"><table class="table">
 321 <colgroup>
 322 <col>
 323 <col>
 324 </colgroup>
 325 <thead><tr>
 326 <th>
 327                   <p>
 328                     Name
 329                   </p>
 330                 </th>
 331 <th>
 332                   <p>
 333                     Description
 334                   </p>
 335                 </th>
 336 </tr></thead>
 337 <tbody>
 338 <tr>
 339 <td>
 340                   <p>
 341                     <a class="link" href="../basic_socket_acceptor/accept.html" title="basic_socket_acceptor::accept"><span class="bold"><strong>accept</strong></span></a>
 342                   </p>
 343                 </td>
 344 <td>
 345                   <p>
 346                     Accept a new connection. <br> <span class="silver"> &#8212;</span><br> Accept a new connection
 347                     and obtain the endpoint of the peer.
 348                   </p>
 349                 </td>
 350 </tr>
 351 <tr>
 352 <td>
 353                   <p>
 354                     <a class="link" href="../basic_socket_acceptor/assign.html" title="basic_socket_acceptor::assign"><span class="bold"><strong>assign</strong></span></a>
 355                   </p>
 356                 </td>
 357 <td>
 358                   <p>
 359                     Assigns an existing native acceptor to the acceptor.
 360                   </p>
 361                 </td>
 362 </tr>
 363 <tr>
 364 <td>
 365                   <p>
 366                     <a class="link" href="../basic_socket_acceptor/async_accept.html" title="basic_socket_acceptor::async_accept"><span class="bold"><strong>async_accept</strong></span></a>
 367                   </p>
 368                 </td>
 369 <td>
 370                   <p>
 371                     Start an asynchronous accept.
 372                   </p>
 373                 </td>
 374 </tr>
 375 <tr>
 376 <td>
 377                   <p>
 378                     <a class="link" href="../basic_socket_acceptor/async_wait.html" title="basic_socket_acceptor::async_wait"><span class="bold"><strong>async_wait</strong></span></a>
 379                   </p>
 380                 </td>
 381 <td>
 382                   <p>
 383                     Asynchronously wait for the acceptor to become ready to read,
 384                     ready to write, or to have pending error conditions.
 385                   </p>
 386                 </td>
 387 </tr>
 388 <tr>
 389 <td>
 390                   <p>
 391                     <a class="link" href="../basic_socket_acceptor/basic_socket_acceptor.html" title="basic_socket_acceptor::basic_socket_acceptor"><span class="bold"><strong>basic_socket_acceptor</strong></span></a>
 392                   </p>
 393                 </td>
 394 <td>
 395                   <p>
 396                     Construct an acceptor without opening it. <br> <span class="silver"> &#8212;</span><br> Construct
 397                     an open acceptor. <br> <span class="silver"> &#8212;</span><br> Construct an acceptor opened
 398                     on the given endpoint. <br> <span class="silver"> &#8212;</span><br> Construct a basic_socket_acceptor
 399                     on an existing native acceptor. <br> <span class="silver"> &#8212;</span><br> Move-construct
 400                     a basic_socket_acceptor from another. <br> <span class="silver"> &#8212;</span><br> Move-construct
 401                     a basic_socket_acceptor from an acceptor of another protocol
 402                     type.
 403                   </p>
 404                 </td>
 405 </tr>
 406 <tr>
 407 <td>
 408                   <p>
 409                     <a class="link" href="../basic_socket_acceptor/bind.html" title="basic_socket_acceptor::bind"><span class="bold"><strong>bind</strong></span></a>
 410                   </p>
 411                 </td>
 412 <td>
 413                   <p>
 414                     Bind the acceptor to the given local endpoint.
 415                   </p>
 416                 </td>
 417 </tr>
 418 <tr>
 419 <td>
 420                   <p>
 421                     <a class="link" href="../basic_socket_acceptor/cancel.html" title="basic_socket_acceptor::cancel"><span class="bold"><strong>cancel</strong></span></a>
 422                   </p>
 423                 </td>
 424 <td>
 425                   <p>
 426                     Cancel all asynchronous operations associated with the acceptor.
 427                   </p>
 428                 </td>
 429 </tr>
 430 <tr>
 431 <td>
 432                   <p>
 433                     <a class="link" href="../basic_socket_acceptor/close.html" title="basic_socket_acceptor::close"><span class="bold"><strong>close</strong></span></a>
 434                   </p>
 435                 </td>
 436 <td>
 437                   <p>
 438                     Close the acceptor.
 439                   </p>
 440                 </td>
 441 </tr>
 442 <tr>
 443 <td>
 444                   <p>
 445                     <a class="link" href="../basic_socket_acceptor/get_executor.html" title="basic_socket_acceptor::get_executor"><span class="bold"><strong>get_executor</strong></span></a>
 446                   </p>
 447                 </td>
 448 <td>
 449                   <p>
 450                     Get the executor associated with the object.
 451                   </p>
 452                 </td>
 453 </tr>
 454 <tr>
 455 <td>
 456                   <p>
 457                     <a class="link" href="../basic_socket_acceptor/get_option.html" title="basic_socket_acceptor::get_option"><span class="bold"><strong>get_option</strong></span></a>
 458                   </p>
 459                 </td>
 460 <td>
 461                   <p>
 462                     Get an option from the acceptor.
 463                   </p>
 464                 </td>
 465 </tr>
 466 <tr>
 467 <td>
 468                   <p>
 469                     <a class="link" href="../basic_socket_acceptor/io_control.html" title="basic_socket_acceptor::io_control"><span class="bold"><strong>io_control</strong></span></a>
 470                   </p>
 471                 </td>
 472 <td>
 473                   <p>
 474                     Perform an IO control command on the acceptor.
 475                   </p>
 476                 </td>
 477 </tr>
 478 <tr>
 479 <td>
 480                   <p>
 481                     <a class="link" href="../basic_socket_acceptor/is_open.html" title="basic_socket_acceptor::is_open"><span class="bold"><strong>is_open</strong></span></a>
 482                   </p>
 483                 </td>
 484 <td>
 485                   <p>
 486                     Determine whether the acceptor is open.
 487                   </p>
 488                 </td>
 489 </tr>
 490 <tr>
 491 <td>
 492                   <p>
 493                     <a class="link" href="../basic_socket_acceptor/listen.html" title="basic_socket_acceptor::listen"><span class="bold"><strong>listen</strong></span></a>
 494                   </p>
 495                 </td>
 496 <td>
 497                   <p>
 498                     Place the acceptor into the state where it will listen for new
 499                     connections.
 500                   </p>
 501                 </td>
 502 </tr>
 503 <tr>
 504 <td>
 505                   <p>
 506                     <a class="link" href="../basic_socket_acceptor/local_endpoint.html" title="basic_socket_acceptor::local_endpoint"><span class="bold"><strong>local_endpoint</strong></span></a>
 507                   </p>
 508                 </td>
 509 <td>
 510                   <p>
 511                     Get the local endpoint of the acceptor.
 512                   </p>
 513                 </td>
 514 </tr>
 515 <tr>
 516 <td>
 517                   <p>
 518                     <a class="link" href="../basic_socket_acceptor/native_handle.html" title="basic_socket_acceptor::native_handle"><span class="bold"><strong>native_handle</strong></span></a>
 519                   </p>
 520                 </td>
 521 <td>
 522                   <p>
 523                     Get the native acceptor representation.
 524                   </p>
 525                 </td>
 526 </tr>
 527 <tr>
 528 <td>
 529                   <p>
 530                     <a class="link" href="../basic_socket_acceptor/native_non_blocking.html" title="basic_socket_acceptor::native_non_blocking"><span class="bold"><strong>native_non_blocking</strong></span></a>
 531                   </p>
 532                 </td>
 533 <td>
 534                   <p>
 535                     Gets the non-blocking mode of the native acceptor implementation.
 536                     <br> <span class="silver"> &#8212;</span><br> Sets the non-blocking mode of the native acceptor
 537                     implementation.
 538                   </p>
 539                 </td>
 540 </tr>
 541 <tr>
 542 <td>
 543                   <p>
 544                     <a class="link" href="../basic_socket_acceptor/non_blocking.html" title="basic_socket_acceptor::non_blocking"><span class="bold"><strong>non_blocking</strong></span></a>
 545                   </p>
 546                 </td>
 547 <td>
 548                   <p>
 549                     Gets the non-blocking mode of the acceptor. <br> <span class="silver"> &#8212;</span><br> Sets
 550                     the non-blocking mode of the acceptor.
 551                   </p>
 552                 </td>
 553 </tr>
 554 <tr>
 555 <td>
 556                   <p>
 557                     <a class="link" href="../basic_socket_acceptor/open.html" title="basic_socket_acceptor::open"><span class="bold"><strong>open</strong></span></a>
 558                   </p>
 559                 </td>
 560 <td>
 561                   <p>
 562                     Open the acceptor using the specified protocol.
 563                   </p>
 564                 </td>
 565 </tr>
 566 <tr>
 567 <td>
 568                   <p>
 569                     <a class="link" href="../basic_socket_acceptor/operator_eq_.html" title="basic_socket_acceptor::operator="><span class="bold"><strong>operator=</strong></span></a>
 570                   </p>
 571                 </td>
 572 <td>
 573                   <p>
 574                     Move-assign a basic_socket_acceptor from another. <br> <span class="silver"> &#8212;</span><br>
 575                     Move-assign a basic_socket_acceptor from an acceptor of another
 576                     protocol type.
 577                   </p>
 578                 </td>
 579 </tr>
 580 <tr>
 581 <td>
 582                   <p>
 583                     <a class="link" href="../basic_socket_acceptor/release.html" title="basic_socket_acceptor::release"><span class="bold"><strong>release</strong></span></a>
 584                   </p>
 585                 </td>
 586 <td>
 587                   <p>
 588                     Release ownership of the underlying native acceptor.
 589                   </p>
 590                 </td>
 591 </tr>
 592 <tr>
 593 <td>
 594                   <p>
 595                     <a class="link" href="../basic_socket_acceptor/set_option.html" title="basic_socket_acceptor::set_option"><span class="bold"><strong>set_option</strong></span></a>
 596                   </p>
 597                 </td>
 598 <td>
 599                   <p>
 600                     Set an option on the acceptor.
 601                   </p>
 602                 </td>
 603 </tr>
 604 <tr>
 605 <td>
 606                   <p>
 607                     <a class="link" href="../basic_socket_acceptor/wait.html" title="basic_socket_acceptor::wait"><span class="bold"><strong>wait</strong></span></a>
 608                   </p>
 609                 </td>
 610 <td>
 611                   <p>
 612                     Wait for the acceptor to become ready to read, ready to write,
 613                     or to have pending error conditions.
 614                   </p>
 615                 </td>
 616 </tr>
 617 <tr>
 618 <td>
 619                   <p>
 620                     <a class="link" href="../basic_socket_acceptor/_basic_socket_acceptor.html" title="basic_socket_acceptor::~basic_socket_acceptor"><span class="bold"><strong>~basic_socket_acceptor</strong></span></a>
 621                   </p>
 622                 </td>
 623 <td>
 624                   <p>
 625                     Destroys the acceptor.
 626                   </p>
 627                 </td>
 628 </tr>
 629 </tbody>
 630 </table></div>
 631 <h6>
 632 <a name="boost_asio.reference.ip__tcp.acceptor.h2"></a>
 633           <span class="phrase"><a name="boost_asio.reference.ip__tcp.acceptor.data_members"></a></span><a class="link" href="acceptor.html#boost_asio.reference.ip__tcp.acceptor.data_members">Data Members</a>
 634         </h6>
 635 <div class="informaltable"><table class="table">
 636 <colgroup>
 637 <col>
 638 <col>
 639 </colgroup>
 640 <thead><tr>
 641 <th>
 642                   <p>
 643                     Name
 644                   </p>
 645                 </th>
 646 <th>
 647                   <p>
 648                     Description
 649                   </p>
 650                 </th>
 651 </tr></thead>
 652 <tbody>
 653 <tr>
 654 <td>
 655                   <p>
 656                     <a class="link" href="../basic_socket_acceptor/max_connections.html" title="basic_socket_acceptor::max_connections"><span class="bold"><strong>max_connections</strong></span></a>
 657                   </p>
 658                 </td>
 659 <td>
 660                   <p>
 661                     (Deprecated: Use max_listen_connections.) The maximum length
 662                     of the queue of pending incoming connections.
 663                   </p>
 664                 </td>
 665 </tr>
 666 <tr>
 667 <td>
 668                   <p>
 669                     <a class="link" href="../basic_socket_acceptor/max_listen_connections.html" title="basic_socket_acceptor::max_listen_connections"><span class="bold"><strong>max_listen_connections</strong></span></a>
 670                   </p>
 671                 </td>
 672 <td>
 673                   <p>
 674                     The maximum length of the queue of pending incoming connections.
 675                   </p>
 676                 </td>
 677 </tr>
 678 <tr>
 679 <td>
 680                   <p>
 681                     <a class="link" href="../basic_socket_acceptor/message_do_not_route.html" title="basic_socket_acceptor::message_do_not_route"><span class="bold"><strong>message_do_not_route</strong></span></a>
 682                   </p>
 683                 </td>
 684 <td>
 685                   <p>
 686                     Specify that the data should not be subject to routing.
 687                   </p>
 688                 </td>
 689 </tr>
 690 <tr>
 691 <td>
 692                   <p>
 693                     <a class="link" href="../basic_socket_acceptor/message_end_of_record.html" title="basic_socket_acceptor::message_end_of_record"><span class="bold"><strong>message_end_of_record</strong></span></a>
 694                   </p>
 695                 </td>
 696 <td>
 697                   <p>
 698                     Specifies that the data marks the end of a record.
 699                   </p>
 700                 </td>
 701 </tr>
 702 <tr>
 703 <td>
 704                   <p>
 705                     <a class="link" href="../basic_socket_acceptor/message_out_of_band.html" title="basic_socket_acceptor::message_out_of_band"><span class="bold"><strong>message_out_of_band</strong></span></a>
 706                   </p>
 707                 </td>
 708 <td>
 709                   <p>
 710                     Process out-of-band data.
 711                   </p>
 712                 </td>
 713 </tr>
 714 <tr>
 715 <td>
 716                   <p>
 717                     <a class="link" href="../basic_socket_acceptor/message_peek.html" title="basic_socket_acceptor::message_peek"><span class="bold"><strong>message_peek</strong></span></a>
 718                   </p>
 719                 </td>
 720 <td>
 721                   <p>
 722                     Peek at incoming data without removing it from the input queue.
 723                   </p>
 724                 </td>
 725 </tr>
 726 </tbody>
 727 </table></div>
 728 <p>
 729           The <a class="link" href="../basic_socket_acceptor.html" title="basic_socket_acceptor"><code class="computeroutput">basic_socket_acceptor</code></a>
 730           class template is used for accepting new socket connections.
 731         </p>
 732 <h6>
 733 <a name="boost_asio.reference.ip__tcp.acceptor.h3"></a>
 734           <span class="phrase"><a name="boost_asio.reference.ip__tcp.acceptor.thread_safety"></a></span><a class="link" href="acceptor.html#boost_asio.reference.ip__tcp.acceptor.thread_safety">Thread Safety</a>
 735         </h6>
 736 <p>
 737           <span class="emphasis"><em>Distinct</em></span> <span class="emphasis"><em>objects:</em></span> Safe.
 738         </p>
 739 <p>
 740           <span class="emphasis"><em>Shared</em></span> <span class="emphasis"><em>objects:</em></span> Unsafe.
 741         </p>
 742 <h6>
 743 <a name="boost_asio.reference.ip__tcp.acceptor.h4"></a>
 744           <span class="phrase"><a name="boost_asio.reference.ip__tcp.acceptor.example"></a></span><a class="link" href="acceptor.html#boost_asio.reference.ip__tcp.acceptor.example">Example</a>
 745         </h6>
 746 <p>
 747           Opening a socket acceptor with the SO_REUSEADDR option enabled:
 748         </p>
 749 <pre class="programlisting">boost::asio::ip::tcp::acceptor acceptor(my_context);
 750 boost::asio::ip::tcp::endpoint endpoint(boost::asio::ip::tcp::v4(), port);
 751 acceptor.open(endpoint.protocol());
 752 acceptor.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
 753 acceptor.bind(endpoint);
 754 acceptor.listen();
 755 </pre>
 756 <h6>
 757 <a name="boost_asio.reference.ip__tcp.acceptor.h5"></a>
 758           <span class="phrase"><a name="boost_asio.reference.ip__tcp.acceptor.requirements"></a></span><a class="link" href="acceptor.html#boost_asio.reference.ip__tcp.acceptor.requirements">Requirements</a>
 759         </h6>
 760 <p>
 761           <span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/ip/tcp.hpp</code>
 762         </p>
 763 <p>
 764           <span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code>
 765         </p>
 766 </div>
 767 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
 768 <td align="left"></td>
 769 <td align="right"><div class="copyright-footer">Copyright &#169; 2003-2019 Christopher M. Kohlhoff<p>
 770         Distributed under the Boost Software License, Version 1.0. (See accompanying
 771         file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
 772       </p>
 773 </div></td>
 774 </tr></table>
 775 <hr>
 776 <div class="spirit-nav">
 777 <a accesskey="p" href="../ip__tcp.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../ip__tcp.html"><img src="../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../boost_asio.html"><img src="../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="endpoint.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a>
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