annotate src/sysproc.h @ 5043:d0c14ea98592

various frame-geometry fixes -------------------- ChangeLog entries follow: -------------------- src/ChangeLog addition: 2010-02-15 Ben Wing <ben@xemacs.org> * EmacsFrame.c: * EmacsFrame.c (EmacsFrameResize): * console-msw-impl.h: * console-msw-impl.h (struct mswindows_frame): * console-msw-impl.h (FRAME_MSWINDOWS_TARGET_RECT): * device-tty.c: * device-tty.c (tty_asynch_device_change): * event-msw.c: * event-msw.c (mswindows_wnd_proc): * faces.c (Fface_list): * faces.h: * frame-gtk.c: * frame-gtk.c (gtk_set_initial_frame_size): * frame-gtk.c (gtk_set_frame_size): * frame-msw.c: * frame-msw.c (mswindows_init_frame_1): * frame-msw.c (mswindows_set_frame_size): * frame-msw.c (mswindows_size_frame_internal): * frame-msw.c (msprinter_init_frame_3): * frame.c: * frame.c (enum): * frame.c (Fmake_frame): * frame.c (adjust_frame_size): * frame.c (store_minibuf_frame_prop): * frame.c (Fframe_property): * frame.c (Fframe_properties): * frame.c (Fframe_displayable_pixel_height): * frame.c (Fframe_displayable_pixel_width): * frame.c (internal_set_frame_size): * frame.c (Fset_frame_height): * frame.c (Fset_frame_pixel_height): * frame.c (Fset_frame_displayable_pixel_height): * frame.c (Fset_frame_width): * frame.c (Fset_frame_pixel_width): * frame.c (Fset_frame_displayable_pixel_width): * frame.c (Fset_frame_size): * frame.c (Fset_frame_pixel_size): * frame.c (Fset_frame_displayable_pixel_size): * frame.c (frame_conversion_internal_1): * frame.c (get_frame_displayable_pixel_size): * frame.c (change_frame_size_1): * frame.c (change_frame_size): * frame.c (generate_title_string): * frame.h: * gtk-xemacs.c: * gtk-xemacs.c (gtk_xemacs_size_request): * gtk-xemacs.c (gtk_xemacs_size_allocate): * gtk-xemacs.c (gtk_xemacs_paint): * gutter.c: * gutter.c (update_gutter_geometry): * redisplay.c (end_hold_frame_size_changes): * redisplay.c (redisplay_frame): * toolbar.c: * toolbar.c (update_frame_toolbars_geometry): * window.c: * window.c (frame_pixsize_valid_p): * window.c (check_frame_size): Various fixes to frame geometry to make it a bit easier to understand and fix some bugs. 1. IMPORTANT: Some renamings. Will need to be applied carefully to the carbon repository, in the following order: -- pixel_to_char_size -> pixel_to_frame_unit_size -- char_to_pixel_size -> frame_unit_to_pixel_size -- pixel_to_real_char_size -> pixel_to_char_size -- char_to_real_pixel_size -> char_to_pixel_size -- Reverse second and third arguments of change_frame_size() and change_frame_size_1() to try to make functions consistent in putting width before height. -- Eliminate old round_size_to_char, because it didn't really do anything differently from round_size_to_real_char() -- round_size_to_real_char -> round_size_to_char; any places that called the old round_size_to_char should just call the new one. 2. IMPORTANT FOR CARBON: The set_frame_size() method is now passed sizes in "frame units", like all other frame-sizing functions, rather than some hacked-up combination of char-cell units and total pixel size. This only affects window systems that use "pixelated geometry", and I'm not sure if Carbon is one of them. MS Windows is pixelated, X and GTK are not. For pixelated-geometry systems, the size in set_frame_size() is in displayable pixels rather than total pixels and needs to be converted appropriately; take a look at the changes made to mswindows_set_frame_size() method if necessary. 3. Add a big long comment in frame.c describing how frame geometry works. 4. Remove MS Windows-specific character height and width fields, duplicative and unused. 5. frame-displayable-pixel-* and set-frame-displayable-pixel-* didn't use to work on MS Windows, but they do now. 6. In general, clean up the handling of "pixelated geometry" so that fewer functions have to worry about this. This is really an abomination that should be removed entirely but that will have to happen later. Fix some buggy code in frame_conversion_internal() that happened to "work" because it was countered by oppositely buggy code in change_frame_size(). 7. Clean up some frame-size code in toolbar.c and use functions already provided in frame.c instead of rolling its own. 8. Fix check_frame_size() in window.c, which formerly didn't take pixelated geometry into account.
author Ben Wing <ben@xemacs.org>
date Mon, 15 Feb 2010 22:14:11 -0600
parents aa5ed11f473b
children 308d34e9f07d
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1 /*
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2 Copyright (C) 1995 Free Software Foundation, Inc.
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3 Copyright (C) 2000, 2002 Ben Wing.
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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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24 #ifndef INCLUDED_sysproc_h_
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25 #define INCLUDED_sysproc_h_
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26
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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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29 #ifndef WIN32_NATIVE
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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 #ifdef MINGW
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34 #include <../mingw/process.h>
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35 #elif defined (CYGWIN)
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36 #include <../include/process.h>
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37 #elif defined (WIN32_NATIVE)
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38 /* <process.h> should not conflict with "process.h", as per ANSI definition.
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39 This is not true with visual c though. The trick below works with
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40 VC4.2b, 5.0 and 6.0. It assumes that VC is installed in a kind of
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41 standard way, so include path ends with /include.
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42 */
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43 #include <../include/process.h>
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44 #endif
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45
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46 #ifdef HAVE_SOCKETS /* TCP connection support, if kernel can do it */
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47 # include <sys/types.h> /* AJK */
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48 # ifndef WIN32_NATIVE
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49 # include <sys/socket.h>
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50 # include <netdb.h>
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51 # include <netinet/in.h>
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52 # include <arpa/inet.h>
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53 # endif
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54 #endif /* HAVE_SOCKETS */
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55
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56 #ifdef WIN32_NATIVE
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57 /* Note: winsock.h already included in systime.h above */
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58 /* map winsock error codes to standard names */
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59 #define EWOULDBLOCK WSAEWOULDBLOCK
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60 #define EINPROGRESS WSAEINPROGRESS
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61 #define EALREADY WSAEALREADY
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62 #define ENOTSOCK WSAENOTSOCK
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63 #define EDESTADDRREQ WSAEDESTADDRREQ
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64 #define EMSGSIZE WSAEMSGSIZE
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65 #define EPROTOTYPE WSAEPROTOTYPE
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66 #define ENOPROTOOPT WSAENOPROTOOPT
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67 #define EPROTONOSUPPORT WSAEPROTONOSUPPORT
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68 #define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
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69 #define EOPNOTSUPP WSAEOPNOTSUPP
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70 #define EPFNOSUPPORT WSAEPFNOSUPPORT
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71 #define EAFNOSUPPORT WSAEAFNOSUPPORT
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72 #define EADDRINUSE WSAEADDRINUSE
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73 #define EADDRNOTAVAIL WSAEADDRNOTAVAIL
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74 #define ENETDOWN WSAENETDOWN
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75 #define ENETUNREACH WSAENETUNREACH
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76 #define ENETRESET WSAENETRESET
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77 #define ECONNABORTED WSAECONNABORTED
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78 #define ECONNRESET WSAECONNRESET
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79 #define ENOBUFS WSAENOBUFS
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80 #define EISCONN WSAEISCONN
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81 #define ENOTCONN WSAENOTCONN
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82 #define ESHUTDOWN WSAESHUTDOWN
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83 #define ETOOMANYREFS WSAETOOMANYREFS
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84 #define ETIMEDOUT WSAETIMEDOUT
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85 #define ECONNREFUSED WSAECONNREFUSED
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86 #define ELOOP WSAELOOP
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87 /* #define ENAMETOOLONG WSAENAMETOOLONG */
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88 #define EHOSTDOWN WSAEHOSTDOWN
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89 #define EHOSTUNREACH WSAEHOSTUNREACH
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90 /* #define ENOTEMPTY WSAENOTEMPTY */
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91 #define EPROCLIM WSAEPROCLIM
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92 #define EUSERS WSAEUSERS
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93 #define EDQUOT WSAEDQUOT
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94 #define ESTALE WSAESTALE
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95 #define EREMOTE WSAEREMOTE
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96 #endif /* WIN32_NATIVE */
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97
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98 /* On some systems, e.g. DGUX, inet_addr returns a `struct in_addr'. */
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99 #ifdef HAVE_BROKEN_INET_ADDR
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100 # define IN_ADDR struct in_addr
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101 # define NUMERIC_ADDR_ERROR (numeric_addr.s_addr == -1)
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102 #else
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103 # if (LONGBITS > 32)
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104 # define IN_ADDR unsigned int
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105 # else
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106 # define IN_ADDR unsigned long
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107 # endif
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108 # define NUMERIC_ADDR_ERROR (numeric_addr == (IN_ADDR) -1)
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109 #endif
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110
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111 /* Define first descriptor number available for subprocesses. */
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112 #define FIRST_PROC_DESC 3
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113
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114 #ifdef AIX
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115 #include <sys/select.h>
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116 #endif
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118 #ifdef HAVE_STROPTS_H
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119 #include <stropts.h> /* isastream(), I_PUSH */
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120 #endif
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122 #ifdef HAVE_STRTIO_H
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123 #include <strtio.h> /* TIOCSIGNAL */
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124 #endif
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125
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126 #ifdef HAVE_PTY_H
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127 #include <pty.h> /* openpty() on Tru64, Linux */
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128 #endif
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129
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130 #ifdef HAVE_LIBUTIL_H
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131 #include <libutil.h> /* openpty() on FreeBSD */
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132 #endif
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133
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134 #ifdef HAVE_UTIL_H
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135 #include <util.h> /* openpty() on NetBSD */
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136 #endif
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137
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138 /* The FD_* macros expand to __extension__ forms on glibc-based systems. Uno
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139 does not understand such forms, so let's help it out. */
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140 #ifdef UNO
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141 #undef FD_SET
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142 #undef FD_CLR
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143 #undef FD_ISSET
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144 #undef FD_ZERO
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145 #undef MAXDESC
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146 #undef SELECT_TYPE
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147 #endif /* UNO */
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148
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149 #ifdef FD_SET
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150
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151 /* We could get this from param.h, but better not to depend on finding that.
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152 And better not to risk that it might define other symbols used in this
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153 file. */
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154 # ifdef FD_SETSIZE
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155 # define MAXDESC FD_SETSIZE
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156 # else
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157 # define MAXDESC 64
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158 # endif /* FD_SETSIZE */
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159 # define SELECT_TYPE fd_set
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160
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161 #else /* no FD_SET */
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162
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163 # define MAXDESC 32
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164 # define SELECT_TYPE int
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165
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166 /* Define the macros to access a single-int bitmap of descriptors. */
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167 # define FD_SET(n, p) (*(p) |= (1 << (n)))
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168 # define FD_CLR(n, p) (*(p) &= ~(1 << (n)))
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169 # define FD_ISSET(n, p) (*(p) & (1 << (n)))
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170 # define FD_ZERO(p) (*(p) = 0)
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171
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172 #endif /* no FD_SET */
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173
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174 int poll_fds_for_input (SELECT_TYPE mask);
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175 int qxe_execve (const Ibyte *filename, Ibyte * const argv[],
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176 Ibyte * const envp[]);
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177 pid_t qxe_getpid (void);
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178
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179 /* #### I would really like to delete the remaining synchronous code entirely.
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180 We are now using it only for *REALLY* old systems -- how many systems
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181 nowadays
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182
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183 (a) lack job control, or
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184 (b) lack mkdir() or rmdir()
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185
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186 ?????
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187
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188 --ben
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189 */
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190
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191 #include "syssignal.h" /* needed for SIGTSTP */
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192
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193 #if !defined (WIN32_NATIVE) && (!defined (SIGTSTP) || !defined (HAVE_MKDIR) || !defined (HAVE_RMDIR))
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194
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195 #define NEED_SYNC_PROCESS_CODE
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196
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197 /* True iff we are about to fork off a synchronous process or if we
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198 are waiting for it. */
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199 extern volatile int synch_process_alive;
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200
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201 /* Nonzero => this is a string explaining death of synchronous subprocess. */
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202 extern const char *synch_process_death;
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203
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204 /* If synch_process_death is zero,
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205 this is exit code of synchronous subprocess. */
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206 extern int synch_process_retcode;
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207
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208 #endif
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209
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210
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211 #endif /* INCLUDED_sysproc_h_ */