53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/* $NetBSD: ksh_wait.h,v 1.2 1997/01/12 19:12:03 tls Exp $ */
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/* Wrapper around the ugly sys/wait includes/ifdefs */
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/* $NetBSD: ksh_wait.h,v 1.2 1997/01/12 19:12:03 tls Exp $ */
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#ifdef HAVE_SYS_WAIT_H
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# include <sys/wait.h>
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#endif
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#ifndef POSIX_SYS_WAIT
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/* Get rid of system macros (which probably use union wait) */
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# undef WIFCORED
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# undef WIFEXITED
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# undef WEXITSTATUS
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# undef WIFSIGNALED
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# undef WTERMSIG
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# undef WIFSTOPPED
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# undef WSTOPSIG
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#endif /* POSIX_SYS_WAIT */
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typedef int WAIT_T;
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#ifndef WIFCORED
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# define WIFCORED(s) ((s) & 0x80)
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#endif
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#define WSTATUS(s) (s)
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#ifndef WIFEXITED
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# define WIFEXITED(s) (((s) & 0xff) == 0)
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#endif
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#ifndef WEXITSTATUS
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# define WEXITSTATUS(s) (((s) >> 8) & 0xff)
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#endif
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#ifndef WIFSIGNALED
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# define WIFSIGNALED(s) (((s) & 0xff) != 0 && ((s) & 0xff) != 0x7f)
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#endif
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#ifndef WTERMSIG
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# define WTERMSIG(s) ((s) & 0x7f)
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#endif
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#ifndef WIFSTOPPED
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# define WIFSTOPPED(s) (((s) & 0xff) == 0x7f)
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#endif
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#ifndef WSTOPSIG
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# define WSTOPSIG(s) (((s) >> 8) & 0xff)
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#endif
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#if !defined(HAVE_WAITPID) && defined(HAVE_WAIT3)
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/* always used with p == -1 */
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# define ksh_waitpid(p, s, o) wait3((s), (o), (struct rusage *) 0)
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#else /* !HAVE_WAITPID && HAVE_WAIT3 */
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# define ksh_waitpid(p, s, o) waitpid((p), (s), (o))
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#endif /* !HAVE_WAITPID && HAVE_WAIT3 */
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