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442
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1 /* Utility routines for XEmacs on Windows 9x, NT and Cygwin.
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771
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2 Copyright (C) 2000, 2001, 2002 Ben Wing.
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442
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to the Free
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18 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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19 02111-1307, USA. */
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20
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21 #include <config.h>
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22 #include "lisp.h"
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23
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24 #include "buffer.h"
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771
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25 #include "console-msw.h"
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611
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26
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771
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27 #include "sysfile.h"
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28 #include "sysproc.h"
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611
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29 #include "syssignal.h"
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30 #include "systime.h"
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442
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31
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771
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32 /* Control conversion of upper case file names to lower case.
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33 nil means no, t means yes. */
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34 Lisp_Object Vmswindows_downcase_file_names;
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35
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36 int mswindows_windows9x_p;
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37
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442
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38 pfSwitchToThread_t xSwitchToThread;
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39
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771
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40 pfNetUserEnum_t xNetUserEnum;
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41 pfNetApiBufferFree_t xNetApiBufferFree;
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42
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43 /* Convert a filename in standard Win32 format into our internal format
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44 (which may be significantly different if we're running on Cygwin), and
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45 turn it into a file: URL. Return a newly malloc()ed string.
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442
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46
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771
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47 #### This comes from code that just prepended `file:', which is not
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48 good. See comment in mswindows_dde_callback(), case XTYP_EXECUTE.
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49 */
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50 Intbyte *
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51 urlify_filename (Intbyte *filename)
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52 {
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53 Intbyte *pseudo_url;
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54
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55 WIN32_TO_LOCAL_FILE_FORMAT (filename, filename);
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56 pseudo_url = xnew_array (Intbyte, 5 + qxestrlen (filename) + 1);
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57 qxestrcpy_c (pseudo_url, "file:");
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58 qxestrcat (pseudo_url, filename);
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59 /* URL's only have /, no backslash */
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60 for (filename = pseudo_url; *filename; filename++)
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61 {
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62 if (*filename == '\\')
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63 *filename = '/';
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64 }
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442
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65
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771
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66 return pseudo_url;
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67 }
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531
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68
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442
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69 Lisp_Object
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70 tstr_to_local_file_format (Extbyte *pathout)
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71 {
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665
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72 Intbyte *ttlff;
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771
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73
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74 TSTR_TO_C_STRING (pathout, ttlff);
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75 WIN32_TO_LOCAL_FILE_FORMAT (ttlff, ttlff);
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76
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77 return build_intstring (ttlff);
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78 }
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79
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80 /* Normalize filename by converting all path separators to the specified
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81 separator. Also conditionally convert all-upper-case path name
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82 components to lower case. Return a newly malloc()ed string.
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83 */
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84
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85 Intbyte *
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86 mswindows_canonicalize_filename (Intbyte *name)
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87 {
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88 Intbyte *fp = name;
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89 DECLARE_EISTRING (newname);
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90 DECLARE_EISTRING (component);
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91 int do_casefrob = 1;
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442
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92
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771
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93 /* Always lower-case drive letters a-z, even if the filesystem
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94 preserves case in filenames.
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95 This is so filenames can be compared by string comparison
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96 functions that are case-sensitive. Even case-preserving filesystems
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97 do not distinguish case in drive letters. */
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98 if (name[0] >= 'A' && name[0] <= 'Z' && name[1] == ':')
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99 {
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100 eicat_ch (newname, name[0] + 'a' - 'A');
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101 eicat_ch (newname, ':');
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102 fp += 2;
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103 }
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104
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105 while (1)
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106 {
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107 Emchar ch = charptr_emchar (fp);
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108 if (LOWERCASEP (0, ch))
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109 do_casefrob = 0; /* don't convert this element */
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442
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110
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771
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111 if (ch == 0 || IS_ANY_SEP (ch))
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112 {
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113 if (do_casefrob && !NILP (Vmswindows_downcase_file_names))
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114 eilwr (component);
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115 do_casefrob = 1;
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116 eicat_ei (newname, component);
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117 eireset (component);
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118 if (IS_DIRECTORY_SEP (ch))
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119 eicat_ch (newname, DIRECTORY_SEP);
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120 else if (ch)
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121 eicat_ch (newname, ch);
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122 else
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123 break;
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124 }
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125 else
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126 eicat_ch (component, ch);
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127
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128 INC_CHARPTR (fp);
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129 }
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130
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131 return eicpyout_malloc (newname, 0);
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442
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132 }
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133
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134 static void
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135 init_potentially_nonexistent_functions (void)
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136 {
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771
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137 HMODULE h_kernel = qxeGetModuleHandle (XETEXT ("kernel32"));
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531
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138 /* the following does not seem to get mapped in automatically */
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771
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139 HMODULE h_netapi = qxeLoadLibrary (XETEXT ("netapi32.dll"));
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442
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140
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141 if (h_kernel)
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142 {
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143 xSwitchToThread =
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144 (pfSwitchToThread_t) GetProcAddress (h_kernel, "SwitchToThread");
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145 }
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146
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531
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147 if (h_netapi)
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148 {
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149 xNetUserEnum =
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150 (pfNetUserEnum_t) GetProcAddress (h_netapi, "NetUserEnum");
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151 xNetApiBufferFree =
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152 (pfNetApiBufferFree_t) GetProcAddress (h_netapi, "NetApiBufferFree");
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153 }
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442
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154 }
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155
|
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771
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156 static Lisp_Object
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157 mswindows_lisp_error_1 (int errnum, int no_recurse)
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158 {
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159 LPTSTR lpMsgBuf;
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160 Lisp_Object result;
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161 Intbyte *inres;
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162 Bytecount len;
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163 int i;
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164
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165 /* The docs for FormatMessage say:
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166
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167 If you pass a specific LANGID in this parameter, FormatMessage
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168 will return a message for that LANGID only. If the function
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169 cannot find a message for that LANGID, it returns
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170 ERROR_RESOURCE_LANG_NOT_FOUND. If you pass in zero, FormatMessage
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171 looks for a message for LANGIDs in the following order:
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172
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173 Language neutral
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174 Thread LANGID, based on the thread's locale value
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175 User default LANGID, based on the user's default locale value
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176 System default LANGID, based on the system default locale value
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177 US English
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178
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179 If FormatMessage doesn't find a message for any of the preceding
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180 LANGIDs, it returns any language message string that is present. If
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181 that fails, it returns ERROR_RESOURCE_LANG_NOT_FOUND. (Note, this is
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182 returned through GetLastError(), not the return value.)
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183
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184 #### what the hell is "language neutral"? i can find no info on this.
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185 so let's do our own language first.
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186 */
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187
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188 for (i = 0; ; i++)
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189 {
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190 int lang = 0;
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191 int retval;
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192
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193 switch (i)
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194 {
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195 #ifdef MULE
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196 /* Urk! Windows 95 doesn't let you set the thread locale!
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197 so we have to maintain our own. */
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198 case 0: lang = LANGIDFROMLCID (mswindows_current_locale ()); break;
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199 case 1: lang = 0; break;
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200 #else
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201 case 0: lang = 0; break;
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202 #endif
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203 default: abort ();
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204 }
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205
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206 retval = qxeFormatMessage (FORMAT_MESSAGE_ALLOCATE_BUFFER
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207 | FORMAT_MESSAGE_FROM_SYSTEM,
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208 NULL, errnum, lang,
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209 /* yeah, i'm casting a char ** to a char *.
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210 ya gotta problem widdat? */
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211 (Extbyte *) &lpMsgBuf, 0, NULL);
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212
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213 if (!retval)
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214 {
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215 if (lang != 0)
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216 continue;
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217
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218 if (no_recurse)
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219 return emacs_sprintf_string
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220 ("Unknown error code %d (error return %ld from FormatMessage())",
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221 errnum, GetLastError ());
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222 else
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223 return emacs_sprintf_string
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224 ("Unknown error code %d (error return %s from FormatMessage())",
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225 /* It's OK, emacs_sprintf_string disables GC explicitly */
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226 errnum, XSTRING_DATA (mswindows_lisp_error_1 (errnum, 1)));
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227 }
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228 else
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229 break;
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230 }
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231
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232 TSTR_TO_C_STRING (lpMsgBuf, inres);
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233 len = qxestrlen (inres);
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234 /* Messages tend to end with a period and newline */
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235 if (len >= 3 && !intbyte_strcmp (inres + len - 3, ".\r\n"))
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236 len -= 3;
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237 result = make_string (inres, len);
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238
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239 LocalFree (lpMsgBuf);
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240 return result;
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241 }
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242
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243 Lisp_Object
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244 mswindows_lisp_error (int errnum)
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245 {
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246 return mswindows_lisp_error_1 (errnum, 0);
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247 }
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248
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249 void
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250 mswindows_output_last_error (char *frob)
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251 {
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252 int errval = GetLastError ();
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253 Lisp_Object errmess = mswindows_lisp_error (errval);
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254
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255 stderr_out ("last error during %s is %d: %s\n",
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256 frob, errval, XSTRING_DATA (errmess));
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257 }
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258
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259 DOESNT_RETURN
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260 mswindows_report_process_error (const char *string, Lisp_Object data,
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261 int errnum)
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262 {
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263 report_file_type_error (Qprocess_error, mswindows_lisp_error (errnum),
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264 string, data);
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265 }
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266
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442
|
267 DEFUN ("mswindows-shell-execute", Fmswindows_shell_execute, 2, 4, 0, /*
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268 Get Windows to perform OPERATION on DOCUMENT.
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269 This is a wrapper around the ShellExecute system function, which
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270 invokes the application registered to handle OPERATION for DOCUMENT.
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271 OPERATION is typically \"open\", \"print\" or \"explore\" (but can be
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272 nil for the default action), and DOCUMENT is typically the name of a
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273 document file or URL, but can also be a program executable to run or
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274 a directory to open in the Windows Explorer.
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275
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276 If DOCUMENT is a program executable, PARAMETERS can be a string
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277 containing command line parameters, but otherwise should be nil.
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278
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279 SHOW-FLAG can be used to control whether the invoked application is hidden
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280 or minimized. If SHOW-FLAG is nil, the application is displayed normally,
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281 otherwise it is an integer representing a ShowWindow flag:
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282
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283 0 - start hidden
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284 1 - start normally
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285 3 - start maximized
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286 6 - start minimized
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287 */
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288 (operation, document, parameters, show_flag))
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289 {
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290 /* Encode filename and current directory. */
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291 Lisp_Object current_dir = Ffile_name_directory (document);
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292 int ret;
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293
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294 CHECK_STRING (document);
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295
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296 if (NILP (current_dir))
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297 current_dir = current_buffer->directory;
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298
|
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771
|
299 {
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300 Extbyte *opext = NULL;
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301 Extbyte *parmext = NULL;
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302 Extbyte *path = NULL;
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303 Extbyte *doc = NULL;
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442
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304
|
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771
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305 if (STRINGP (operation))
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306 LISP_STRING_TO_TSTR (operation, opext);
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307 if (STRINGP (parameters))
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308 LISP_STRING_TO_TSTR (parameters, parmext);
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309 if (STRINGP (current_dir))
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310 LOCAL_FILE_FORMAT_TO_TSTR (current_dir, path);
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442
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311 if (STRINGP (document))
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312 {
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313 #ifdef CYGWIN
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771
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314 Intbyte *docint = XSTRING_DATA (document);
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315 /* If URL style file, the innards may have Cygwin mount points and
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316 the like. so separate out the innards, process them, and put back
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317 together. */
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318 if (qxestrncasecmp_c (docint, "file://", 7) == 0)
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673
|
319 {
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|
771
|
320 Intbyte *fname_windows;
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321 Intbyte *docint_windows;
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322
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323 LOCAL_TO_WIN32_FILE_FORMAT (docint + 7, fname_windows);
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324 docint_windows = alloca_intbytes (7 + qxestrlen (fname_windows) + 1);
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325 qxestrcpy_c (docint_windows, "file://");
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326 qxestrcat (docint_windows, fname_windows);
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327 C_STRING_TO_TSTR (docint, doc);
|
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673
|
328 }
|
|
771
|
329 else
|
|
442
|
330 #endif
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|
771
|
331 LOCAL_FILE_FORMAT_TO_TSTR (document, doc);
|
|
442
|
332 }
|
|
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333
|
|
771
|
334 ret = (int) qxeShellExecute (NULL, opext, doc, parmext, path,
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|
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335 (INTP (show_flag) ?
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|
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336 XINT (show_flag) : SW_SHOWDEFAULT));
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|
|
337 }
|
|
442
|
338
|
|
771
|
339 if (ret <= 32)
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|
|
340 {
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|
|
341 /* Convert to more standard errors */
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|
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342 #define FROB(a, b) if (ret == a) ret = b
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343 FROB (SE_ERR_ACCESSDENIED, ERROR_ACCESS_DENIED);
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344 FROB (SE_ERR_ASSOCINCOMPLETE, ERROR_NO_ASSOCIATION);
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345 FROB (SE_ERR_DDEBUSY, ERROR_DDE_FAIL);
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346 FROB (SE_ERR_DDEFAIL, ERROR_DDE_FAIL);
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347 FROB (SE_ERR_DDETIMEOUT, ERROR_DDE_FAIL);
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348 FROB (SE_ERR_DLLNOTFOUND, ERROR_DLL_NOT_FOUND);
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349 FROB (SE_ERR_FNF, ERROR_FILE_NOT_FOUND);
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350 FROB (SE_ERR_NOASSOC, ERROR_NO_ASSOCIATION);
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351 FROB (SE_ERR_OOM, ERROR_NOT_ENOUGH_MEMORY);
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352 FROB (SE_ERR_PNF, ERROR_PATH_NOT_FOUND);
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353 FROB (SE_ERR_SHARE, ERROR_SHARING_VIOLATION);
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|
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354 #undef FROB
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|
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355
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|
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356 mswindows_report_process_error ("Running ShellExecute",
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|
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357 ret == ERROR_PATH_NOT_FOUND ?
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|
|
358 list4 (Qunbound, operation, document,
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|
|
359 current_dir) :
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|
|
360 list3 (Qunbound, operation, document),
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|
|
361 ret);
|
|
|
362 }
|
|
442
|
363
|
|
771
|
364 return Qt;
|
|
442
|
365 }
|
|
|
366
|
|
673
|
367 #ifdef CYGWIN
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|
|
368 DEFUN ("mswindows-cygwin-to-win32-path", Fmswindows_cygwin_to_win32_path, 1, 1, 0, /*
|
|
|
369 Get the cygwin environment to convert the Unix PATH to win32 format.
|
|
|
370 No expansion is performed, all conversion is done by the cygwin runtime.
|
|
|
371 */
|
|
|
372 (path))
|
|
|
373 {
|
|
771
|
374 Intbyte *p;
|
|
673
|
375 CHECK_STRING (path);
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|
|
376
|
|
|
377 /* There appears to be a bug in the cygwin conversion routines in
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|
|
378 that they are not idempotent. */
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|
|
379 p = XSTRING_DATA (path);
|
|
|
380 if (isalpha (p[0]) && (IS_DEVICE_SEP (p[1])))
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|
|
381 return path;
|
|
|
382
|
|
|
383 /* Use mule and cygwin-safe APIs top get at file data. */
|
|
771
|
384 LOCAL_TO_WIN32_FILE_FORMAT (p, p);
|
|
|
385 return build_intstring (p);
|
|
673
|
386 }
|
|
|
387 #endif
|
|
|
388
|
|
613
|
389 #if defined (WIN32_NATIVE) || defined (CYGWIN_BROKEN_SIGNALS)
|
|
|
390
|
|
|
391 /* setitimer() does not exist on native MS Windows, and appears broken
|
|
|
392 on Cygwin (random lockups when BROKEN_SIGIO is defined), so we
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|
|
393 emulate in both cases by using multimedia timers. Furthermore,
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|
|
394 the lockups still occur on Cygwin even when we do nothing but
|
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395 use the standard signalling mechanism -- so we have to emulate
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396 that, too. (But only for timeouts -- we have to use the standard
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397 mechanism for SIGCHLD. Yuck.)
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398 */
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399
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400
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401 /*--------------------------------------------------------------------*/
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402 /* Signal support */
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403 /*--------------------------------------------------------------------*/
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404
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405 #define sigmask(nsig) (1U << nsig)
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406
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407 /* We can support as many signals as fit into word */
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408 #define SIG_MAX 32
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409
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410 /* Signal handlers. Initial value = 0 = SIG_DFL */
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411 static mswindows_sighandler signal_handlers[SIG_MAX] = {0};
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412
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413 /* Signal block mask: bit set to 1 means blocked */
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414 unsigned signal_block_mask = 0;
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415
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416 /* Signal pending mask: bit set to 1 means sig is pending */
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417 unsigned signal_pending_mask = 0;
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418
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419 mswindows_sighandler
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420 mswindows_sigset (int nsig, mswindows_sighandler handler)
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421 {
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422 /* We delegate some signals to the system function */
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423 if (nsig == SIGFPE || nsig == SIGABRT || nsig == SIGINT)
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424 return signal (nsig, handler);
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425
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426 if (nsig < 0 || nsig > SIG_MAX)
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427 {
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428 errno = EINVAL;
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429 return NULL;
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430 }
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431
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432 /* Store handler ptr */
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433 {
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434 mswindows_sighandler old_handler = signal_handlers[nsig];
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435 signal_handlers[nsig] = handler;
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436 return old_handler;
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437 }
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438 }
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439
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440 int
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441 mswindows_sighold (int nsig)
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442 {
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443 if (nsig < 0 || nsig > SIG_MAX)
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444 return errno = EINVAL;
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445
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446 signal_block_mask |= sigmask (nsig);
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447 return 0;
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448 }
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449
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450 int
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451 mswindows_sigrelse (int nsig)
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452 {
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453 if (nsig < 0 || nsig > SIG_MAX)
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454 return errno = EINVAL;
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455
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456 signal_block_mask &= ~sigmask (nsig);
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457
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458 if (signal_pending_mask & sigmask (nsig))
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459 mswindows_raise (nsig);
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460
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461 return 0;
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462 }
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463
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464 int
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465 mswindows_sigpause (int nsig)
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466 {
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467 /* This is currently not called, because the only call to sigpause
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468 inside XEmacs is with SIGCHLD parameter. Just in case, we put an
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469 assert here, so anyone adds a call to sigpause will be surprised
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470 (or surprise someone else...) */
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471 assert (0);
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472 return 0;
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|
473 }
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474
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475 int
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476 mswindows_raise (int nsig)
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|
477 {
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|
478 /* We delegate some raises to the system routine */
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|
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479 if (nsig == SIGFPE || nsig == SIGABRT || nsig == SIGINT)
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|
480 return raise (nsig);
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481
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|
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482 if (nsig < 0 || nsig > SIG_MAX)
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|
483 return errno = EINVAL;
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|
|
484
|
|
|
485 /* If the signal is blocked, remember to issue later */
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|
|
486 if (signal_block_mask & sigmask (nsig))
|
|
|
487 {
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|
|
488 signal_pending_mask |= sigmask (nsig);
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|
|
489 return 0;
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|
|
490 }
|
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|
491
|
|
|
492 if (signal_handlers[nsig] == SIG_IGN)
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|
493 return 0;
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|
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494
|
|
|
495 if (signal_handlers[nsig] != SIG_DFL)
|
|
|
496 {
|
|
|
497 (*signal_handlers[nsig]) (nsig);
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|
|
498 return 0;
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|
|
499 }
|
|
|
500
|
|
|
501 /* Default signal actions */
|
|
|
502 if (nsig == SIGALRM || nsig == SIGPROF)
|
|
|
503 exit (3);
|
|
|
504
|
|
|
505 /* Other signals are ignored by default */
|
|
|
506 return 0;
|
|
|
507 }
|
|
|
508
|
|
611
|
509
|
|
|
510 /*--------------------------------------------------------------------*/
|
|
|
511 /* Async timers */
|
|
|
512 /*--------------------------------------------------------------------*/
|
|
|
513
|
|
|
514 /* We emulate two timers, one for SIGALRM, another for SIGPROF.
|
|
|
515
|
|
|
516 itimerproc() function has an implementation limitation: it does
|
|
|
517 not allow to set *both* interval and period. If an attempt is
|
|
|
518 made to set both, and then they are unequal, the function
|
|
|
519 asserts.
|
|
|
520
|
|
|
521 Minimum timer resolution on Win32 systems varies, and is greater
|
|
|
522 than or equal than 1 ms. The resolution is always wrapped not to
|
|
|
523 attempt to get below the system defined limit.
|
|
|
524 */
|
|
|
525
|
|
|
526 /* Timer precision, denominator of one fraction: for 100 ms
|
|
|
527 interval, request 10 ms precision
|
|
|
528 */
|
|
|
529 const int setitimer_helper_timer_prec = 10;
|
|
|
530
|
|
|
531 /* Last itimervals, as set by calls to setitimer */
|
|
|
532 static struct itimerval it_alarm;
|
|
|
533 static struct itimerval it_prof;
|
|
|
534
|
|
|
535 /* Timer IDs as returned by MM */
|
|
|
536 MMRESULT tid_alarm = 0;
|
|
|
537 MMRESULT tid_prof = 0;
|
|
|
538
|
|
|
539 static void CALLBACK
|
|
|
540 setitimer_helper_proc (UINT uID, UINT uMsg, DWORD dwUser,
|
|
|
541 DWORD dw1, DWORD dw2)
|
|
|
542 {
|
|
|
543 /* Just raise the signal indicated by the dwUser parameter */
|
|
|
544 mswindows_raise (dwUser);
|
|
|
545 }
|
|
|
546
|
|
|
547 /* Divide time in ms specified by IT by DENOM. Return 1 ms
|
|
|
548 if division results in zero */
|
|
|
549 static UINT
|
|
|
550 setitimer_helper_period (const struct itimerval* it, UINT denom)
|
|
|
551 {
|
|
|
552 static TIMECAPS time_caps;
|
|
|
553
|
|
|
554 UINT res;
|
|
|
555 const struct timeval* tv =
|
|
|
556 (it->it_value.tv_sec == 0 && it->it_value.tv_usec == 0)
|
|
|
557 ? &it->it_interval : &it->it_value;
|
|
|
558
|
|
|
559 /* Zero means stop timer */
|
|
|
560 if (tv->tv_sec == 0 && tv->tv_usec == 0)
|
|
|
561 return 0;
|
|
|
562
|
|
|
563 /* Convert to ms and divide by denom */
|
|
|
564 res = (tv->tv_sec * 1000 + (tv->tv_usec + 500) / 1000) / denom;
|
|
|
565
|
|
|
566 /* Converge to minimum timer resolution */
|
|
|
567 if (time_caps.wPeriodMin == 0)
|
|
|
568 timeGetDevCaps (&time_caps, sizeof(time_caps));
|
|
|
569
|
|
|
570 if (res < time_caps.wPeriodMin)
|
|
|
571 res = time_caps.wPeriodMin;
|
|
|
572
|
|
|
573 return res;
|
|
|
574 }
|
|
|
575
|
|
|
576 static int
|
|
|
577 setitimer_helper (const struct itimerval* itnew,
|
|
|
578 struct itimerval* itold, struct itimerval* itcurrent,
|
|
|
579 MMRESULT* tid, DWORD sigkind)
|
|
|
580 {
|
|
|
581 UINT delay, resolution, event_type;
|
|
|
582
|
|
|
583 /* First stop the old timer */
|
|
|
584 if (*tid)
|
|
|
585 {
|
|
|
586 timeKillEvent (*tid);
|
|
|
587 timeEndPeriod (setitimer_helper_period (itcurrent,
|
|
|
588 setitimer_helper_timer_prec));
|
|
|
589 *tid = 0;
|
|
|
590 }
|
|
|
591
|
|
|
592 /* Return old itimerval if requested */
|
|
|
593 if (itold)
|
|
|
594 *itold = *itcurrent;
|
|
|
595
|
|
|
596 *itcurrent = *itnew;
|
|
|
597
|
|
|
598 /* Determine if to start new timer */
|
|
|
599 delay = setitimer_helper_period (itnew, 1);
|
|
|
600 if (delay)
|
|
|
601 {
|
|
|
602 resolution = setitimer_helper_period (itnew,
|
|
|
603 setitimer_helper_timer_prec);
|
|
|
604 event_type = (itnew->it_value.tv_sec == 0 &&
|
|
|
605 itnew->it_value.tv_usec == 0)
|
|
|
606 ? TIME_ONESHOT : TIME_PERIODIC;
|
|
|
607 timeBeginPeriod (resolution);
|
|
|
608 *tid = timeSetEvent (delay, resolution, setitimer_helper_proc, sigkind,
|
|
|
609 event_type);
|
|
|
610 }
|
|
|
611
|
|
|
612 return !delay || *tid;
|
|
|
613 }
|
|
|
614
|
|
|
615 int
|
|
|
616 mswindows_setitimer (int kind, const struct itimerval *itnew,
|
|
|
617 struct itimerval *itold)
|
|
|
618 {
|
|
|
619 /* In this version, both interval and value are allowed
|
|
|
620 only if they are equal. */
|
|
|
621 assert ((itnew->it_value.tv_sec == 0 && itnew->it_value.tv_usec == 0)
|
|
|
622 || (itnew->it_interval.tv_sec == 0 &&
|
|
|
623 itnew->it_interval.tv_usec == 0)
|
|
|
624 || (itnew->it_value.tv_sec == itnew->it_interval.tv_sec &&
|
|
|
625 itnew->it_value.tv_usec == itnew->it_interval.tv_usec));
|
|
|
626
|
|
|
627 if (kind == ITIMER_REAL)
|
|
|
628 return setitimer_helper (itnew, itold, &it_alarm, &tid_alarm, SIGALRM);
|
|
|
629 else if (kind == ITIMER_PROF)
|
|
|
630 return setitimer_helper (itnew, itold, &it_prof, &tid_prof, SIGPROF);
|
|
|
631 else
|
|
|
632 return errno = EINVAL;
|
|
|
633 }
|
|
|
634
|
|
613
|
635 #endif /* defined (WIN32_NATIVE) || defined (CYGWIN_BROKEN_SIGNALS) */
|
|
|
636
|
|
611
|
637
|
|
442
|
638 void
|
|
|
639 syms_of_win32 (void)
|
|
|
640 {
|
|
|
641 DEFSUBR (Fmswindows_shell_execute);
|
|
673
|
642 #ifdef CYGWIN
|
|
|
643 DEFSUBR (Fmswindows_cygwin_to_win32_path);
|
|
|
644 #endif
|
|
442
|
645 }
|
|
|
646
|
|
|
647 void
|
|
771
|
648 vars_of_win32 (void)
|
|
|
649 {
|
|
|
650 DEFVAR_LISP ("mswindows-downcase-file-names", &Vmswindows_downcase_file_names /*
|
|
|
651 Non-nil means convert all-upper case file names to lower case.
|
|
|
652 This applies when performing completions and file name expansion.
|
|
|
653 */ );
|
|
|
654 Vmswindows_downcase_file_names = Qnil;
|
|
|
655 }
|
|
|
656
|
|
|
657 void
|
|
442
|
658 init_win32 (void)
|
|
|
659 {
|
|
|
660 init_potentially_nonexistent_functions ();
|
|
|
661 }
|
|
771
|
662
|
|
|
663 void
|
|
|
664 init_win32_very_early (void)
|
|
|
665 {
|
|
|
666 mswindows_windows9x_p = GetVersion () & 0x80000000;
|
|
|
667 }
|
