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bba104c11e
always defined as int. * s/netbsd.h (HAVE_UNION_WAIT, HAVE_WAIT_HEADER, WAIT_USE_INT): * s/gnu.h (HAVE_WAIT_HEADER, WAIT_USE_INT, HAVE_UNION_WAIT): * s/gnu-linux.h (HAVE_WAIT_HEADER): * s/freebsd.h (HAVE_WAIT_HEADER): * s/bsd-common.h (HAVE_UNION_WAIT): * s/aix4-2.h (HAVE_WAIT_HEADER): * m/mips.h (HAVE_UNION_WAIT): * s/usg5-4.h (HAVE_WAIT_HEADER, WAITTYPE): Do not define, not used. (COFF, static): Do not define, they are undefined later in the file. * process.c (update_status): Don't use a union. (status_convert): (sigchld_handler): Use int instead of WAITTYPE. * movemail.c (main): Use int instead of WAITTYPE.
79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/* Define wait system call interface for Emacs.
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Copyright (C) 1993, 1994, 1995, 2000, 2001, 2002, 2003, 2004,
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2005, 2006, 2007, 2008 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
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/* Define the structure that the wait system call stores.
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On many systems, there is a structure defined for this.
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But on vanilla-ish USG systems there is not. */
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#ifndef EMACS_SYSWAIT_H
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#define EMACS_SYSWAIT_H
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#ifndef VMS
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#include <sys/types.h>
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#ifdef HAVE_SYS_WAIT_H /* We have sys/wait.h with POSIXoid definitions. */
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#include <sys/wait.h>
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#endif /* !HAVE_SYS_WAIT_H */
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#ifndef WCOREDUMP /* not POSIX */
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#define WCOREDUMP(status) ((status) & 0x80)
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#endif
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#ifndef WEXITSTATUS
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#define WEXITSTATUS(status) (((status) & 0xff00) >> 8)
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#endif
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#ifndef WIFEXITED
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#define WIFEXITED(status) (WTERMSIG(status) == 0)
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#endif
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#ifndef WIFSTOPPED
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#define WIFSTOPPED(status) (((status) & 0xff) == 0x7f)
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#endif
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#ifndef WIFSIGNALED
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#define WIFSIGNALED(status) (!WIFSTOPPED(status) && !WIFEXITED(status))
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#endif
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#ifndef WSTOPSIG
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#define WSTOPSIG(status) WEXITSTATUS(status)
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#endif
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#ifndef WTERMSIG
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#define WTERMSIG(status) ((status) & 0x7f)
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#endif
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#undef WRETCODE
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#define WRETCODE(status) WEXITSTATUS (status)
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#else /* VMS */
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#define WIFSTOPPED(w) 0
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#define WIFSIGNALED(w) 0
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#define WIFEXITED(w) ((w) != -1)
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#define WRETCODE(w) (w)
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#define WSTOPSIG(w) (w)
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#define WCOREDUMP(w) 0
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#define WTERMSIG(w) (w)
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#include <ssdef.h>
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#include <iodef.h>
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#include <clidef.h>
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#include "vmsproc.h"
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#endif /* VMS */
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#endif /* EMACS_SYSWAIT_H */
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/* arch-tag: 7e5d9719-ec66-4b6f-89bb-563eea16a899
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(do not change this comment) */
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