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428
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1 /*
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2 Copyright (C) 1995 Free Software Foundation, Inc.
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853
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3 Copyright (C) 2000, 2002 Ben Wing.
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428
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: Not really in FSF. */
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23
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440
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24 #ifndef INCLUDED_sysproc_h_
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25 #define INCLUDED_sysproc_h_
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26
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428
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27 #include "systime.h" /* necessary for sys/resource.h; also gets the
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28 FD_* defines on some systems. */
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442
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29 #ifndef WIN32_NATIVE
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428
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30 #include <sys/resource.h>
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31 #endif
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32
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33 #if !defined (NO_SUBPROCESSES)
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34
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771
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35 #ifdef MINGW
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36 #include <../mingw/process.h>
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37 #elif defined (CYGWIN)
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38 #include <../include/process.h>
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39 #elif defined (WIN32_NATIVE)
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40 /* <process.h> should not conflict with "process.h", as per ANSI definition.
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41 This is not true with visual c though. The trick below works with
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42 VC4.2b, 5.0 and 6.0. It assumes that VC is installed in a kind of
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43 standard way, so include path ends with /include.
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44 */
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45 #include <../include/process.h>
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46 #endif
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47
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428
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48 #ifdef HAVE_SOCKETS /* TCP connection support, if kernel can do it */
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49 # include <sys/types.h> /* AJK */
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442
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50 # ifndef WIN32_NATIVE
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51 # include <sys/socket.h>
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52 # include <netdb.h>
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53 # include <netinet/in.h>
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54 # include <arpa/inet.h>
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55 # endif
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56 # ifdef NEED_NET_ERRNO_H
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57 # include <net/errno.h>
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58 # endif /* NEED_NET_ERRNO_H */
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428
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59 #elif defined (SKTPAIR)
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60 # include <sys/socket.h>
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61 #endif /* HAVE_SOCKETS */
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62
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442
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63 #ifdef WIN32_NATIVE
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64 /* Note: winsock.h already included in systime.h above */
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65 /* map winsock error codes to standard names */
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66 #define EWOULDBLOCK WSAEWOULDBLOCK
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67 #define EINPROGRESS WSAEINPROGRESS
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68 #define EALREADY WSAEALREADY
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69 #define ENOTSOCK WSAENOTSOCK
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70 #define EDESTADDRREQ WSAEDESTADDRREQ
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71 #define EMSGSIZE WSAEMSGSIZE
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72 #define EPROTOTYPE WSAEPROTOTYPE
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73 #define ENOPROTOOPT WSAENOPROTOOPT
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74 #define EPROTONOSUPPORT WSAEPROTONOSUPPORT
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75 #define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
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76 #define EOPNOTSUPP WSAEOPNOTSUPP
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77 #define EPFNOSUPPORT WSAEPFNOSUPPORT
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78 #define EAFNOSUPPORT WSAEAFNOSUPPORT
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79 #define EADDRINUSE WSAEADDRINUSE
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80 #define EADDRNOTAVAIL WSAEADDRNOTAVAIL
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81 #define ENETDOWN WSAENETDOWN
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82 #define ENETUNREACH WSAENETUNREACH
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83 #define ENETRESET WSAENETRESET
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84 #define ECONNABORTED WSAECONNABORTED
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85 #define ECONNRESET WSAECONNRESET
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86 #define ENOBUFS WSAENOBUFS
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87 #define EISCONN WSAEISCONN
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88 #define ENOTCONN WSAENOTCONN
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89 #define ESHUTDOWN WSAESHUTDOWN
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90 #define ETOOMANYREFS WSAETOOMANYREFS
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91 #define ETIMEDOUT WSAETIMEDOUT
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92 #define ECONNREFUSED WSAECONNREFUSED
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93 #define ELOOP WSAELOOP
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94 /* #define ENAMETOOLONG WSAENAMETOOLONG */
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95 #define EHOSTDOWN WSAEHOSTDOWN
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96 #define EHOSTUNREACH WSAEHOSTUNREACH
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97 /* #define ENOTEMPTY WSAENOTEMPTY */
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98 #define EPROCLIM WSAEPROCLIM
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99 #define EUSERS WSAEUSERS
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100 #define EDQUOT WSAEDQUOT
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101 #define ESTALE WSAESTALE
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102 #define EREMOTE WSAEREMOTE
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103 #endif /* WIN32_NATIVE */
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104
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3025
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105 /* On some systems, e.g. DGUX, inet_addr returns a `struct in_addr'. */
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428
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106 #ifdef HAVE_BROKEN_INET_ADDR
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107 # define IN_ADDR struct in_addr
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108 # define NUMERIC_ADDR_ERROR (numeric_addr.s_addr == -1)
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109 #else
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110 # if (LONGBITS > 32)
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111 # define IN_ADDR unsigned int
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112 # else
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113 # define IN_ADDR unsigned long
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114 # endif
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115 # define NUMERIC_ADDR_ERROR (numeric_addr == (IN_ADDR) -1)
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116 #endif
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117
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118 /* Define first descriptor number available for subprocesses. */
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119 #define FIRST_PROC_DESC 3
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120
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121 #ifdef IRIS
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122 # include <sys/sysmacros.h> /* for "minor" */
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123 #endif /* not IRIS */
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124
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125 #endif /* !NO_SUBPROCESSES */
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126
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127 #ifdef AIX
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128 #include <sys/select.h>
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129 #endif
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130
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444
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131 #ifdef HAVE_STROPTS_H
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132 #include <stropts.h> /* isastream(), I_PUSH */
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442
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133 #endif
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134
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444
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135 #ifdef HAVE_STRTIO_H
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136 #include <strtio.h> /* TIOCSIGNAL */
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442
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137 #endif
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138
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139 #ifdef HAVE_PTY_H
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140 #include <pty.h> /* openpty() on Tru64, Linux */
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141 #endif
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142
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143 #ifdef HAVE_LIBUTIL_H
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458
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144 #include <libutil.h> /* openpty() on FreeBSD */
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145 #endif
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146
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147 #ifdef HAVE_UTIL_H
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148 #include <util.h> /* openpty() on NetBSD */
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442
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149 #endif
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150
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2286
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151 /* The FD_* macros expand to __extension__ forms on glibc-based systems. Uno
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152 does not understand such forms, so let's help it out. */
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153 #ifdef UNO
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154 #undef FD_SET
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155 #undef FD_CLR
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156 #undef FD_ISSET
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157 #undef FD_ZERO
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158 #undef MAXDESC
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159 #undef SELECT_TYPE
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160 #endif /* UNO */
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161
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428
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162 #ifdef FD_SET
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163
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164 /* We could get this from param.h, but better not to depend on finding that.
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165 And better not to risk that it might define other symbols used in this
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166 file. */
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167 # ifdef FD_SETSIZE
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168 # define MAXDESC FD_SETSIZE
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169 # else
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170 # define MAXDESC 64
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171 # endif /* FD_SETSIZE */
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172 # define SELECT_TYPE fd_set
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173
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174 #else /* no FD_SET */
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175
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176 # define MAXDESC 32
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177 # define SELECT_TYPE int
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178
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179 /* Define the macros to access a single-int bitmap of descriptors. */
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180 # define FD_SET(n, p) (*(p) |= (1 << (n)))
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181 # define FD_CLR(n, p) (*(p) &= ~(1 << (n)))
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182 # define FD_ISSET(n, p) (*(p) & (1 << (n)))
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183 # define FD_ZERO(p) (*(p) = 0)
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184
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185 #endif /* no FD_SET */
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186
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187 int poll_fds_for_input (SELECT_TYPE mask);
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867
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188 int qxe_execve (const Ibyte *filename, Ibyte * const argv[],
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189 Ibyte * const envp[]);
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771
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190 pid_t qxe_getpid (void);
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428
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191
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853
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192 /* #### I would really like to delete the remaining synchronous code entirely.
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193 We are now using it only for *REALLY* old systems -- how many systems
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194 nowadays
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195
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196 (a) lack job control, or
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197 (b) lack mkdir() or rmdir()
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198
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199 ?????
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200
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201 --ben
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202 */
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203
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859
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204 #include "syssignal.h" /* needed for SIGTSTP */
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854
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205
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853
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206 #if !defined (WIN32_NATIVE) && ((!defined (SIGTSTP) && !defined (USG_JOBCTRL)) || !defined (HAVE_MKDIR) || !defined (HAVE_RMDIR))
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207
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208 #define NEED_SYNC_PROCESS_CODE
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209
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210 /* True iff we are about to fork off a synchronous process or if we
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211 are waiting for it. */
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212 extern volatile int synch_process_alive;
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213
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214 /* Nonzero => this is a string explaining death of synchronous subprocess. */
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215 extern const char *synch_process_death;
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216
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217 /* If synch_process_death is zero,
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218 this is exit code of synchronous subprocess. */
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219 extern int synch_process_retcode;
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220
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221 #endif
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222
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223
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440
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224 #endif /* INCLUDED_sysproc_h_ */
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