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Overview
Comment: | Fix [d2612a2fa1]: Build breaks because of gcc error. Only use "#pragma GCC diagnostic" if the compiler supports this. Also re-format tclUnixSock.c without further functional changes. |
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Downloads: | Tarball | ZIP archive | SQL archive |
Timelines: | family | ancestors | descendants | both | core-8-6-branch |
Files: | files | file ages | folders |
SHA1: |
ba30aa3b1c7cc2c900bd715740f8ee1e |
User & Date: | jan.nijtmans 2017-08-22 12:12:11 |
Context
2017-08-29
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09:24 | (cherry-pick): Fix [b50fb214] : exec redirection to append ... check-in: 520999f475 user: jan.nijtmans tags: core-8-6-branch | |
2017-08-22
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12:41 | merge core-8-6-branch check-in: 2b42a8db4c user: jan.nijtmans tags: trunk | |
12:12 | Fix [d2612a2fa1]: Build breaks because of gcc error. Only u... check-in: ba30aa3b1c user: jan.nijtmans tags: core-8-6-branch | |
2017-08-18
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21:39 | RFE 6c0d7aec67: Better surrogate handling for TCL_UTF_MAX==4... check-in: 578af1b751 user: jan.nijtmans tags: core-8-6-branch | |
Changes
Changes to unix/tclLoadDyld.c.
︙ | ︙ | |||
44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | */ #if TCL_DYLD_USE_DLFCN # include <dlfcn.h> #endif /* TCL_DYLD_USE_DLFCN */ #if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY) #pragma GCC diagnostic ignored "-Wdeprecated-declarations" #include <mach-o/dyld.h> #include <mach-o/fat.h> #include <mach-o/swap.h> #include <mach-o/arch.h> #include <libkern/OSByteOrder.h> #include <mach/mach.h> | > > | 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | */ #if TCL_DYLD_USE_DLFCN # include <dlfcn.h> #endif /* TCL_DYLD_USE_DLFCN */ #if TCL_DYLD_USE_NSMODULE || defined(TCL_LOAD_FROM_MEMORY) #if defined (__clang__) || ((__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5)))) #pragma GCC diagnostic ignored "-Wdeprecated-declarations" #endif #include <mach-o/dyld.h> #include <mach-o/fat.h> #include <mach-o/swap.h> #include <mach-o/arch.h> #include <libkern/OSByteOrder.h> #include <mach/mach.h> |
︙ | ︙ |
Changes to unix/tclUnixSock.c.
︙ | ︙ | |||
15 16 17 18 19 20 21 22 23 24 25 26 27 28 | * Helper macros to make parts of this file clearer. The macros do exactly * what they say on the tin. :-) They also only ever refer to their arguments * once, and so can be used without regard to side effects. */ #define SET_BITS(var, bits) ((var) |= (bits)) #define CLEAR_BITS(var, bits) ((var) &= ~(bits)) /* "sock" + a pointer in hex + \0 */ #define SOCK_CHAN_LENGTH (4 + sizeof(void *) * 2 + 1) #define SOCK_TEMPLATE "sock%lx" #undef SOCKET /* Possible conflict with win32 SOCKET */ | > | 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | * Helper macros to make parts of this file clearer. The macros do exactly * what they say on the tin. :-) They also only ever refer to their arguments * once, and so can be used without regard to side effects. */ #define SET_BITS(var, bits) ((var) |= (bits)) #define CLEAR_BITS(var, bits) ((var) &= ~(bits)) #define GOT_BITS(var, bits) (((var) & (bits)) != 0) /* "sock" + a pointer in hex + \0 */ #define SOCK_CHAN_LENGTH (4 + sizeof(void *) * 2 + 1) #define SOCK_TEMPLATE "sock%lx" #undef SOCKET /* Possible conflict with win32 SOCKET */ |
︙ | ︙ | |||
113 114 115 116 117 118 119 | #define SOCKET_BUFSIZE 4096 /* * Static routines for this file: */ | | < | 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | #define SOCKET_BUFSIZE 4096 /* * Static routines for this file: */ static int TcpConnect(Tcl_Interp *interp, TcpState *state); static void TcpAccept(ClientData data, int mask); static int TcpBlockModeProc(ClientData data, int mode); static int TcpCloseProc(ClientData instanceData, Tcl_Interp *interp); static int TcpClose2Proc(ClientData instanceData, Tcl_Interp *interp, int flags); static int TcpGetHandleProc(ClientData instanceData, |
︙ | ︙ | |||
169 170 171 172 173 174 175 | static TclInitProcessGlobalValueProc InitializeHostName; static ProcessGlobalValue hostName = {0, 0, NULL, NULL, InitializeHostName, NULL, NULL}; #if 0 /* printf debugging */ | > > | > > | < | | | | 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 | static TclInitProcessGlobalValueProc InitializeHostName; static ProcessGlobalValue hostName = {0, 0, NULL, NULL, InitializeHostName, NULL, NULL}; #if 0 /* printf debugging */ void printaddrinfo( struct addrinfo *addrlist, char *prefix) { char host[NI_MAXHOST], port[NI_MAXSERV]; struct addrinfo *ai; for (ai = addrlist; ai != NULL; ai = ai->ai_next) { getnameinfo(ai->ai_addr, ai->ai_addrlen, host, sizeof(host), port, sizeof(port), NI_NUMERICHOST|NI_NUMERICSERV); fprintf(stderr,"%s: %s:%s\n", prefix, host, port); } } #endif /* * ---------------------------------------------------------------------- * * InitializeHostName -- * * This routine sets the process global value of the name of the local * host on which the process is running. * * Results: * None. * * ---------------------------------------------------------------------- */ static void InitializeHostName( char **valuePtr, int *lengthPtr, Tcl_Encoding *encodingPtr) |
︙ | ︙ | |||
267 268 269 270 271 272 273 | if (gethostname(buffer, sizeof(buffer)) > -1) { /* INTL: Native. */ native = buffer; } #endif /* NO_UNAME */ *encodingPtr = Tcl_GetEncoding(NULL, NULL); *lengthPtr = strlen(native); | | | | | | | | | | | | | | | | | | | | < | | | | | | | | | | | | > > | | > | | | 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 | if (gethostname(buffer, sizeof(buffer)) > -1) { /* INTL: Native. */ native = buffer; } #endif /* NO_UNAME */ *encodingPtr = Tcl_GetEncoding(NULL, NULL); *lengthPtr = strlen(native); *valuePtr = ckalloc(*lengthPtr + 1); memcpy(*valuePtr, native, (size_t)(*lengthPtr) + 1); } /* * ---------------------------------------------------------------------- * * Tcl_GetHostName -- * * Returns the name of the local host. * * Results: * A string containing the network name for this machine, or an empty * string if we can't figure out the name. The caller must not modify or * free this string. * * Side effects: * Caches the name to return for future calls. * * ---------------------------------------------------------------------- */ const char * Tcl_GetHostName(void) { return Tcl_GetString(TclGetProcessGlobalValue(&hostName)); } /* * ---------------------------------------------------------------------- * * TclpHasSockets -- * * Detect if sockets are available on this platform. * * Results: * Returns TCL_OK. * * Side effects: * None. * * ---------------------------------------------------------------------- */ int TclpHasSockets( Tcl_Interp *interp) /* Not used. */ { return TCL_OK; } /* * ---------------------------------------------------------------------- * * TclpFinalizeSockets -- * * Performs per-thread socket subsystem finalization. * * Results: * None. * * Side effects: * None. * * ---------------------------------------------------------------------- */ void TclpFinalizeSockets(void) { return; } /* * ---------------------------------------------------------------------- * * TcpBlockModeProc -- * * This function is invoked by the generic IO level to set blocking and * nonblocking mode on a TCP socket based channel. * * Results: * 0 if successful, errno when failed. * * Side effects: * Sets the device into blocking or nonblocking mode. * * ---------------------------------------------------------------------- */ /* ARGSUSED */ static int TcpBlockModeProc( ClientData instanceData, /* Socket state. */ int mode) /* The mode to set. Can be one of * TCL_MODE_BLOCKING or * TCL_MODE_NONBLOCKING. */ { TcpState *statePtr = instanceData; if (mode == TCL_MODE_BLOCKING) { CLEAR_BITS(statePtr->flags, TCP_NONBLOCKING); } else { SET_BITS(statePtr->flags, TCP_NONBLOCKING); } if (GOT_BITS(statePtr->flags, TCP_ASYNC_CONNECT)) { statePtr->cachedBlocking = mode; return 0; } if (TclUnixSetBlockingMode(statePtr->fds.fd, mode) < 0) { return errno; } return 0; } /* * ---------------------------------------------------------------------- * * WaitForConnect -- * * Check the state of an async connect process. If a connection attempt * terminated, process it, which may finalize it or may start the next * attempt. If a connect error occures, it is saved in * statePtr->connectError to be reported by 'fconfigure -error'. * * There are two modes of operation, defined by errorCodePtr: * * non-NULL: Called by explicite read/write command. Blocks if the * socket is blocking. * May return two error codes: * * EWOULDBLOCK: if connect is still in progress * * ENOTCONN: if connect failed. This would be the error message * of a rect or sendto syscall so this is emulated here. * * NULL: Called by a backround operation. Do not block and do not * return any error code. * * Results: * 0 if the connection has completed, -1 if still in progress or there is * an error. * * Side effects: * Processes socket events off the system queue. May process * asynchroneous connects. * *---------------------------------------------------------------------- */ static int WaitForConnect( TcpState *statePtr, /* State of the socket. */ int *errorCodePtr) { int timeout; /* * Check if an async connect failed already and error reporting is * demanded, return the error ENOTCONN */ if (errorCodePtr != NULL && GOT_BITS(statePtr->flags, TCP_ASYNC_FAILED)) { *errorCodePtr = ENOTCONN; return -1; } /* * Check if an async connect is running. If not return ok */ if (!GOT_BITS(statePtr->flags, TCP_ASYNC_PENDING)) { return 0; } if (errorCodePtr == NULL || GOT_BITS(statePtr->flags, TCP_NONBLOCKING)) { timeout = 0; } else { timeout = -1; } do { if (TclUnixWaitForFile(statePtr->fds.fd, TCL_WRITABLE | TCL_EXCEPTION, timeout) != 0) { TcpConnect(NULL, statePtr); } /* * Do this only once in the nonblocking case and repeat it until the * socket is final when blocking. */ } while (timeout == -1 && GOT_BITS(statePtr->flags, TCP_ASYNC_CONNECT)); if (errorCodePtr != NULL) { if (GOT_BITS(statePtr->flags, TCP_ASYNC_PENDING)) { *errorCodePtr = EAGAIN; return -1; } else if (statePtr->connectError != 0) { *errorCodePtr = ENOTCONN; return -1; } } |
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611 612 613 614 615 616 617 | errorCode = errno; } } fds = statePtr->fds.next; while (fds != NULL) { TcpFdList *next = fds->next; | > | | 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 | errorCode = errno; } } fds = statePtr->fds.next; while (fds != NULL) { TcpFdList *next = fds->next; ckfree(fds); fds = next; } if (statePtr->addrlist != NULL) { freeaddrinfo(statePtr->addrlist); } if (statePtr->myaddrlist != NULL) { freeaddrinfo(statePtr->myaddrlist); |
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681 682 683 684 685 686 687 | } /* *---------------------------------------------------------------------- * * TcpHostPortList -- * | | | | < > > > > | < | > | | > > > | > > | > | > > | > > > | > > | 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 | } /* *---------------------------------------------------------------------- * * TcpHostPortList -- * * This function is called by the -gethostname and -getpeername switches * of TcpGetOptionProc() to add three list elements with the textual * representation of the given address to the given DString. * * Results: * None. * * Side effects: * Adds three elements do dsPtr * *---------------------------------------------------------------------- */ #ifndef NEED_FAKE_RFC2553 #if defined (__clang__) || ((__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5)))) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wstrict-aliasing" #endif static inline int IPv6AddressNeedsNumericRendering( struct in6_addr addr) { if (IN6_ARE_ADDR_EQUAL(&addr, &in6addr_any)) { return 1; } /* * The IN6_IS_ADDR_V4MAPPED macro has a problem with aliasing warnings on * at least some versions of OSX. */ if (!IN6_IS_ADDR_V4MAPPED(&addr)) { return 0; } return (addr.s6_addr[12] == 0 && addr.s6_addr[13] == 0 && addr.s6_addr[14] == 0 && addr.s6_addr[15] == 0); } #if defined (__clang__) || ((__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5)))) #pragma GCC diagnostic pop #endif #endif /* NEED_FAKE_RFC2553 */ static void TcpHostPortList( Tcl_Interp *interp, Tcl_DString *dsPtr, address addr, socklen_t salen) { #define SUPPRESS_RDNS_VAR "::tcl::unsupported::noReverseDNS" char host[NI_MAXHOST], nhost[NI_MAXHOST], nport[NI_MAXSERV]; int flags = 0; getnameinfo(&addr.sa, salen, nhost, sizeof(nhost), nport, sizeof(nport), NI_NUMERICHOST | NI_NUMERICSERV); Tcl_DStringAppendElement(dsPtr, nhost); /* * We don't want to resolve INADDR_ANY and sin6addr_any; they can * sometimes cause problems (and never have a name). */ if (addr.sa.sa_family == AF_INET) { if (addr.sa4.sin_addr.s_addr == INADDR_ANY) { flags |= NI_NUMERICHOST; } #ifndef NEED_FAKE_RFC2553 } else if (addr.sa.sa_family == AF_INET6) { if (IPv6AddressNeedsNumericRendering(addr.sa6.sin6_addr)) { flags |= NI_NUMERICHOST; } #endif /* NEED_FAKE_RFC2553 */ } /* * Check if reverse DNS has been switched off globally. */ if (interp != NULL && Tcl_GetVar2(interp, SUPPRESS_RDNS_VAR, NULL, 0) != NULL) { flags |= NI_NUMERICHOST; } if (getnameinfo(&addr.sa, salen, host, sizeof(host), NULL, 0, flags) == 0) { /* * Reverse mapping worked. */ Tcl_DStringAppendElement(dsPtr, host); } else { /* * Reverse mapping failed - use the numeric rep once more. */ Tcl_DStringAppendElement(dsPtr, nhost); } Tcl_DStringAppendElement(dsPtr, nport); } /* *---------------------------------------------------------------------- |
︙ | ︙ | |||
809 810 811 812 813 814 815 | len = strlen(optionName); } if ((len > 1) && (optionName[1] == 'e') && (strncmp(optionName, "-error", len) == 0)) { socklen_t optlen = sizeof(int); | | > | > > > | | < | | > > | 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 | len = strlen(optionName); } if ((len > 1) && (optionName[1] == 'e') && (strncmp(optionName, "-error", len) == 0)) { socklen_t optlen = sizeof(int); if (GOT_BITS(statePtr->flags, TCP_ASYNC_CONNECT)) { /* * Suppress errors as long as we are not done. */ errno = 0; } else if (statePtr->connectError != 0) { errno = statePtr->connectError; statePtr->connectError = 0; } else { int err; getsockopt(statePtr->fds.fd, SOL_SOCKET, SO_ERROR, (char *) &err, &optlen); errno = err; } if (errno != 0) { Tcl_DStringAppend(dsPtr, Tcl_ErrnoMsg(errno), -1); } return TCL_OK; } if ((len > 1) && (optionName[1] == 'c') && (strncmp(optionName, "-connecting", len) == 0)) { Tcl_DStringAppend(dsPtr, GOT_BITS(statePtr->flags, TCP_ASYNC_CONNECT) ? "1" : "0", -1); return TCL_OK; } if ((len == 0) || ((len > 1) && (optionName[1] == 'p') && (strncmp(optionName, "-peername", len) == 0))) { address peername; socklen_t size = sizeof(peername); if (GOT_BITS(statePtr->flags, TCP_ASYNC_CONNECT)) { /* * In async connect output an empty string */ if (len == 0) { Tcl_DStringAppendElement(dsPtr, "-peername"); Tcl_DStringAppendElement(dsPtr, ""); } else { return TCL_OK; } } else if (getpeername(statePtr->fds.fd, &peername.sa, &size) >= 0) { /* * Peername fetch succeeded - output list */ if (len == 0) { Tcl_DStringAppendElement(dsPtr, "-peername"); Tcl_DStringStartSublist(dsPtr); } TcpHostPortList(interp, dsPtr, peername, size); if (len) { return TCL_OK; |
︙ | ︙ | |||
893 894 895 896 897 898 899 | socklen_t size; int found = 0; if (len == 0) { Tcl_DStringAppendElement(dsPtr, "-sockname"); Tcl_DStringStartSublist(dsPtr); } | | > | | 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 | socklen_t size; int found = 0; if (len == 0) { Tcl_DStringAppendElement(dsPtr, "-sockname"); Tcl_DStringStartSublist(dsPtr); } if (GOT_BITS(statePtr->flags, TCP_ASYNC_CONNECT)) { /* * In async connect output an empty string */ found = 1; } else { for (fds = &statePtr->fds; fds != NULL; fds = fds->next) { size = sizeof(sockname); if (getsockname(fds->fd, &(sockname.sa), &size) >= 0) { found = 1; TcpHostPortList(interp, dsPtr, sockname, size); } |
︙ | ︙ | |||
922 923 924 925 926 927 928 | "can't get sockname: %s", Tcl_PosixError(interp))); } return TCL_ERROR; } } if (len > 0) { | | > | | | | | | < | | | | > | 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 | "can't get sockname: %s", Tcl_PosixError(interp))); } return TCL_ERROR; } } if (len > 0) { return Tcl_BadChannelOption(interp, optionName, "connecting peername sockname"); } return TCL_OK; } /* * ---------------------------------------------------------------------- * * TcpWatchProc -- * * Initialize the notifier to watch the fd from this channel. * * Results: * None. * * Side effects: * Sets up the notifier so that a future event on the channel will be * seen by Tcl. * * ---------------------------------------------------------------------- */ static void WrapNotify( ClientData clientData, int mask) { TcpState *statePtr = (TcpState *) clientData; int newmask = mask & statePtr->interest; if (newmask == 0) { /* * There was no overlap between the states the channel is interested * in notifications for, and the states that are reported present on * the file descriptor by select(). The only way that can happen is * when the channel is interested in a writable condition, and only a * readable state is reported present (see TcpWatchProc() below). In * that case, signal back to the caller the writable state, which is * really an error condition. As an extra check on that assumption, * check for a non-zero value of errno before reporting an artificial * writable state. */ if (errno == 0) { return; } newmask = TCL_WRITABLE; } Tcl_NotifyChannel(statePtr->channel, newmask); } |
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989 990 991 992 993 994 995 996 997 998 | if (statePtr->acceptProc != NULL) { /* * Make sure we don't mess with server sockets since they will never * be readable or writable at the Tcl level. This keeps Tcl scripts * from interfering with the -accept behavior (bug #3394732). */ return; } | > | > | | > > | | | | < | | | | | | < | | | > | | | | | | | > | | 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 | if (statePtr->acceptProc != NULL) { /* * Make sure we don't mess with server sockets since they will never * be readable or writable at the Tcl level. This keeps Tcl scripts * from interfering with the -accept behavior (bug #3394732). */ return; } if (GOT_BITS(statePtr->flags, TCP_ASYNC_PENDING)) { /* * Async sockets use a FileHandler internally while connecting, so we * need to cache this request until the connection has succeeded. */ statePtr->filehandlers = mask; } else if (mask) { /* * Whether it is a bug or feature or otherwise, it is a fact of life * that on at least some Linux kernels select() fails to report that a * socket file descriptor is writable when the other end of the socket * is closed. This is in contrast to the guarantees Tcl makes that * its channels become writable and fire writable events on an error * conditon. This has caused a leak of file descriptors in a state of * background flushing. See Tcl ticket 1758a0b603. * * As a workaround, when our caller indicates an interest in writable * notifications, we must tell the notifier built around select() that * we are interested in the readable state of the file descriptor as * well, as that is the only reliable means to get notified of error * conditions. Then it is the task of WrapNotify() above to untangle * the meaning of these channel states and report the chan events as * best it can. We save a copy of the mask passed in to assist with * that. */ statePtr->interest = mask; Tcl_CreateFileHandler(statePtr->fds.fd, mask|TCL_READABLE, (Tcl_FileProc *) WrapNotify, statePtr); } else { Tcl_DeleteFileHandler(statePtr->fds.fd); } } /* * ---------------------------------------------------------------------- * * TcpGetHandleProc -- * * Called from Tcl_GetChannelHandle to retrieve OS handles from inside a * TCP socket based channel. * * Results: * Returns TCL_OK with the fd in handlePtr, or TCL_ERROR if there is no * handle for the specified direction. * * Side effects: * None. * * ---------------------------------------------------------------------- */ /* ARGSUSED */ static int TcpGetHandleProc( ClientData instanceData, /* The socket state. */ int direction, /* Not used. */ ClientData *handlePtr) /* Where to store the handle. */ { TcpState *statePtr = instanceData; *handlePtr = INT2PTR(statePtr->fds.fd); return TCL_OK; } /* * ---------------------------------------------------------------------- * * TcpAsyncCallback -- * * Called by the event handler that TcpConnect sets up internally for * [socket -async] to get notified when the asyncronous connection * attempt has succeeded or failed. * * ---------------------------------------------------------------------- */ static void TcpAsyncCallback( ClientData clientData, /* The socket state. */ int mask) /* Events of interest; an OR-ed combination of * TCL_READABLE, TCL_WRITABLE and * TCL_EXCEPTION. */ { TcpConnect(NULL, clientData); } /* * ---------------------------------------------------------------------- * * TcpConnect -- * * This function opens a new socket in client mode. * * Results: * TCL_OK, if the socket was successfully connected or an asynchronous |
︙ | ︙ | |||
1105 1106 1107 1108 1109 1110 1111 | * two nested loops over the local and remote addresses. Once the first * connection attempt is in progress, it sets up itself as a writable * event handler for that socket, and returns. When the callback occurs, * control is transferred to the "reenter" label, right after the initial * return and the loops resume as if they had never been interrupted. * For syncronously connecting sockets, the loops work the usual way. * | | | | < | > | 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 | * two nested loops over the local and remote addresses. Once the first * connection attempt is in progress, it sets up itself as a writable * event handler for that socket, and returns. When the callback occurs, * control is transferred to the "reenter" label, right after the initial * return and the loops resume as if they had never been interrupted. * For syncronously connecting sockets, the loops work the usual way. * * ---------------------------------------------------------------------- */ static int TcpConnect( Tcl_Interp *interp, /* For error reporting; can be NULL. */ TcpState *statePtr) { socklen_t optlen; int async_callback = GOT_BITS(statePtr->flags, TCP_ASYNC_PENDING); int ret = -1, error = EHOSTUNREACH; int async = GOT_BITS(statePtr->flags, TCP_ASYNC_CONNECT); if (async_callback) { goto reenter; } for (statePtr->addr = statePtr->addrlist; statePtr->addr != NULL; statePtr->addr = statePtr->addr->ai_next) { for (statePtr->myaddr = statePtr->myaddrlist; statePtr->myaddr != NULL; statePtr->myaddr = statePtr->myaddr->ai_next) { int reuseaddr = 1; /* * No need to try combinations of local and remote addresses of * different families. */ |
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1149 1150 1151 1152 1153 1154 1155 | if (statePtr->fds.fd >= 0) { close(statePtr->fds.fd); statePtr->fds.fd = -1; errno = 0; } | | > | > > | | > > | > > | > | 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 | if (statePtr->fds.fd >= 0) { close(statePtr->fds.fd); statePtr->fds.fd = -1; errno = 0; } statePtr->fds.fd = socket(statePtr->addr->ai_family, SOCK_STREAM, 0); if (statePtr->fds.fd < 0) { continue; } /* * Set the close-on-exec flag so that the socket will not get * inherited by child processes. */ fcntl(statePtr->fds.fd, F_SETFD, FD_CLOEXEC); /* * Set kernel space buffering */ TclSockMinimumBuffers(INT2PTR(statePtr->fds.fd), SOCKET_BUFSIZE); if (async) { ret = TclUnixSetBlockingMode(statePtr->fds.fd, TCL_MODE_NONBLOCKING); if (ret < 0) { continue; } } /* * Must reset the error variable here, before we use it for the * first time in this iteration. */ error = 0; (void) setsockopt(statePtr->fds.fd, SOL_SOCKET, SO_REUSEADDR, (char *) &reuseaddr, sizeof(reuseaddr)); ret = bind(statePtr->fds.fd, statePtr->myaddr->ai_addr, statePtr->myaddr->ai_addrlen); if (ret < 0) { error = errno; continue; } /* * Attempt to connect. The connect may fail at present with an * EINPROGRESS but at a later time it will complete. The caller * will set up a file handler on the socket if she is interested * in being informed when the connect completes. */ ret = connect(statePtr->fds.fd, statePtr->addr->ai_addr, statePtr->addr->ai_addrlen); if (ret < 0) { error = errno; } if (ret < 0 && errno == EINPROGRESS) { Tcl_CreateFileHandler(statePtr->fds.fd, TCL_WRITABLE | TCL_EXCEPTION, TcpAsyncCallback, statePtr); errno = EWOULDBLOCK; SET_BITS(statePtr->flags, TCP_ASYNC_PENDING); return TCL_OK; reenter: CLEAR_BITS(statePtr->flags, TCP_ASYNC_PENDING); Tcl_DeleteFileHandler(statePtr->fds.fd); |
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1227 1228 1229 1230 1231 1232 1233 | } if (error == 0) { goto out; } } } | | | 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 | } if (error == 0) { goto out; } } } out: statePtr->connectError = error; CLEAR_BITS(statePtr->flags, TCP_ASYNC_CONNECT); if (async_callback) { /* * An asynchonous connection has finally succeeded or failed. */ |
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1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 | } return NULL; } /* * Allocate a new TcpState for this socket. */ statePtr = ckalloc(sizeof(TcpState)); memset(statePtr, 0, sizeof(TcpState)); statePtr->flags = async ? TCP_ASYNC_CONNECT : 0; statePtr->cachedBlocking = TCL_MODE_BLOCKING; statePtr->addrlist = addrlist; statePtr->myaddrlist = myaddrlist; statePtr->fds.fd = -1; /* * Create a new client socket and wrap it in a channel. */ if (TcpConnect(interp, statePtr) != TCL_OK) { TcpCloseProc(statePtr, NULL); return NULL; } sprintf(channelName, SOCK_TEMPLATE, (long) statePtr); | > > | | | 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 | } return NULL; } /* * Allocate a new TcpState for this socket. */ statePtr = ckalloc(sizeof(TcpState)); memset(statePtr, 0, sizeof(TcpState)); statePtr->flags = async ? TCP_ASYNC_CONNECT : 0; statePtr->cachedBlocking = TCL_MODE_BLOCKING; statePtr->addrlist = addrlist; statePtr->myaddrlist = myaddrlist; statePtr->fds.fd = -1; /* * Create a new client socket and wrap it in a channel. */ if (TcpConnect(interp, statePtr) != TCL_OK) { TcpCloseProc(statePtr, NULL); return NULL; } sprintf(channelName, SOCK_TEMPLATE, (long) statePtr); statePtr->channel = Tcl_CreateChannel(&tcpChannelType, channelName, statePtr, TCL_READABLE | TCL_WRITABLE); if (Tcl_SetChannelOption(interp, statePtr->channel, "-translation", "auto crlf") == TCL_ERROR) { Tcl_Close(NULL, statePtr->channel); return NULL; } return statePtr->channel; } |
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1373 1374 1375 1376 1377 1378 1379 | *---------------------------------------------------------------------- */ Tcl_Channel Tcl_MakeTcpClientChannel( ClientData sock) /* The socket to wrap up into a channel. */ { | | > | 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 | *---------------------------------------------------------------------- */ Tcl_Channel Tcl_MakeTcpClientChannel( ClientData sock) /* The socket to wrap up into a channel. */ { return (Tcl_Channel) TclpMakeTcpClientChannelMode(sock, TCL_READABLE | TCL_WRITABLE); } /* *---------------------------------------------------------------------- * * TclpMakeTcpClientChannelMode -- * |
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1512 1513 1514 1515 1516 1517 1518 | if (port == 0 && chosenport != 0) { ((struct sockaddr_in *) addrPtr->ai_addr)->sin_port = htons(chosenport); } #ifdef IPV6_V6ONLY | > | > > | 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 | if (port == 0 && chosenport != 0) { ((struct sockaddr_in *) addrPtr->ai_addr)->sin_port = htons(chosenport); } #ifdef IPV6_V6ONLY /* * Missing on: Solaris 2.8 */ if (addrPtr->ai_family == AF_INET6) { int v6only = 1; (void) setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, &v6only, sizeof(v6only)); } #endif /* IPV6_V6ONLY */ |
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1658 1659 1660 1661 1662 1663 1664 | newSockState = ckalloc(sizeof(TcpState)); memset(newSockState, 0, sizeof(TcpState)); newSockState->flags = 0; newSockState->fds.fd = newsock; sprintf(channelName, SOCK_TEMPLATE, (long) newSockState); newSockState->channel = Tcl_CreateChannel(&tcpChannelType, channelName, | | | 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 | newSockState = ckalloc(sizeof(TcpState)); memset(newSockState, 0, sizeof(TcpState)); newSockState->flags = 0; newSockState->fds.fd = newsock; sprintf(channelName, SOCK_TEMPLATE, (long) newSockState); newSockState->channel = Tcl_CreateChannel(&tcpChannelType, channelName, newSockState, TCL_READABLE | TCL_WRITABLE); Tcl_SetChannelOption(NULL, newSockState->channel, "-translation", "auto crlf"); if (fds->statePtr->acceptProc != NULL) { getnameinfo(&addr.sa, len, host, sizeof(host), port, sizeof(port), NI_NUMERICHOST|NI_NUMERICSERV); |
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