annotate src/syswait.h @ 593:5fd7ba8b56e7

[xemacs-hg @ 2001-05-31 12:45:27 by ben] xemacs-faq.texi: Major rewrite. Update all MS Windows info to current. Redo section 6.1 almost completely. Incorporate sections 1 and 2 of Hrvoje's FAQ. etags.el: Fix infloop when going up to the root. s\cygwin32.h: Don't unilaterally include ntplay, but only when we're compiling with native sound (look in configure now). event-msw.c: Fix yet more problems with C-g handling. Implement debug-mswindows-events. event-stream.c, events.h, signal.c, sysdep.h: Rearrange the signal-handling code to eliminate the former spaghetti logic paths in it. Document clearly what "low-level" and "high-level" timeouts are. Rename some functions with unclear names (e.g. "...alarm...") to names that reflect what they actually do (e.g. "...async_timeout..."). Fix numerous bugs discovered in the process. console-x.h, event-Xt.c, event-msw.c, frame-x.c: Hopefully make XEmacs properly maintain the "iconified" state on frames at all times. This should fix the "can't delete a frame with C-x 5 0 when there's another iconified frame out there" bug. Put a notice in of further changes that should probably be made to clean up the frame-visibility support. (especially directed at Jan Vroonhof) lisp.h, miscplay.c: Rename SBufbyte to CBufbyte to avoid a misleading name. Eliminate UChar, which is not used anywhere and contributes no semantic info. Add a comment about the documentation-only properties of the char/unsigned char typedefs. Add SChar_Binary as an explicitly `signed' version of Char_Binary and put back the `signed' declarations in miscplay.c. alloc.c: Use char typedefs. console-msw.c, device-msw.c, dialog-msw.c, editfns.c, fileio.c, glyphs-eimage.c, menubar-msw.c, ntplay.c, objects-msw.c, realpath.c, redisplay-msw.c, select-msw.c, syswindows.h, win32.c: Eliminate numerous C++ errors. frame-msw.c: Eliminate numerous C++ errors and Mule-ize. glyphs-msw.c: Eliminate numerous C++ errors and use char typedefs. configure.in: Fix problems detecting both native and Linux sound on Cygwin when compiled with --with-msw=no. Rearrange file-coding handling a bit to avoid warning when compiling with Mule. configure.in, configure.usage, INSTALL: Document XEMACS_CC and corresponding compiler option --xemacs-compiler. Explain how to build xemacs using a C++ compiler.
author ben
date Thu, 31 May 2001 12:45:41 +0000
parents 8de8e3f6228a
children 04bc9d2f42c7
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1 /* Define wait system call interface for Emacs.
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2 Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
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3 Copyright (C) 1995 Sun Microsystems, Inc.
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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 #ifndef INCLUDED_syswait_h_
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23 #define INCLUDED_syswait_h_
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24
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25 #include <sys/types.h>
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26
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27 #ifdef HAVE_SYS_WAIT_H
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28 #include <sys/wait.h>
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29 #endif
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30
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31 #ifndef WEXITSTATUS
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32 #define WEXITSTATUS(s) ((s) >> 8)
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33 #endif
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34 #ifndef WIFEXITED
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35 #define WIFEXITED(s) (((s) & 0xff) == 0)
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36 #endif
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37 #ifndef WIFSTOPPED
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38 #define WIFSTOPPED(s) (((s) & 0xff) == 0x7f)
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39 #endif
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40 #ifndef WIFSIGNALED
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41 #define WIFSIGNALED(s) (((unsigned int)((s)-1) & 0xffff) < 0xff)
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42 #endif
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43 #ifndef WCOREDUMP
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44 #define WCOREDUMP(s) ((s) & 0200)
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45 #endif
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46 #ifndef WTERMSIG
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47 #define WTERMSIG(s) ((s) & 0x7f)
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48 #endif
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49 #ifndef WSTOPSIG
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50 #define WSTOPSIG(s) ((s) >> 8)
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51 #endif
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52 #ifndef WRETCODE
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53 #define WRETCODE(s) ((s) >> 8)
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54 #endif
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55
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56 #endif /* INCLUDED_syswait_h_ */