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/* cygwin/wait.h
Copyright 2006, 2009 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#ifndef _CYGWIN_WAIT_H
#define _CYGWIN_WAIT_H
#define WNOHANG 1
#define WUNTRACED 2
#define WCONTINUED 8
#define __W_CONTINUED 0xffff
/* A status looks like:
<2 bytes info> <2 bytes code>
<code> == 0, child has exited, info is the exit value
<code> == 1..7e, child has exited, info is the signal number.
<code> == 7f, child has stopped, info was the signal number.
<code> == 80, there was a core dump.
*/
#define WIFEXITED(w) (((w) & 0xff) == 0)
#define WIFSIGNALED(w) (((w) & 0x7f) > 0 && (((w) & 0x7f) < 0x7f))
#define WIFSTOPPED(w) (((w) & 0xff) == 0x7f)
#define WIFCONTINUED(w) (((w) & 0xffff) == __W_CONTINUED)
#define WEXITSTATUS(w) (((w) >> 8) & 0xff)
#define WTERMSIG(w) ((w) & 0x7f)
#define WSTOPSIG WEXITSTATUS
#define WCOREDUMP(w) (WIFSIGNALED(w) && (w & 0x80))
#endif /* _CYGWIN_WAIT_H */
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