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Add code to properly translate signal returned in status argument of wait4()

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call for STOPPED and SIGNALED status (exit status identical).
This commit is contained in:
Steven Wallace 1995-10-23 19:46:51 +00:00
parent f23c6d682b
commit a5d49c1801
1 changed files with 25 additions and 5 deletions
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30
sys/i386/ibcs2/ibcs2_misc.c
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@ -1,6 +1,5 @@
/* $NetBSD: ibcs2_misc.c,v 1.6 1995/05/01 19:33:17 mycroft Exp $ */
/*
* Copyright (c) 1995 Steven Wallace
* Copyright (c) 1994, 1995 Scott Bartram
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
@ -45,6 +44,8 @@
* from: Header: sun_misc.c,v 1.16 93/04/07 02:46:27 torek Exp
*
* @(#)sun_misc.c 8.1 (Berkeley) 6/18/93
*
* $Id$
*/
/*
@ -153,6 +154,8 @@ ibcs2_ulimit(p, uap, retval)
}
}
#define IBCS2_WSTOPPED 0177
#define IBCS2_STOPCODE(sig) ((sig) << 8 | IBCS2_WSTOPPED)
int
ibcs2_wait(p, uap, retval)
struct proc *p;
@ -178,9 +181,26 @@ ibcs2_wait(p, uap, retval)
}
if ((error = wait4(p, &w4, retval)) != 0)
return error;
if (SCARG(&w4, status)) /* this is real iBCS brain-damage */
return copyin((caddr_t)SCARG(&w4, status), (caddr_t)&retval[1],
sizeof(SCARG(&w4, status)));
if (SCARG(&w4, status)) { /* this is real iBCS brain-damage */
error = copyin((caddr_t)SCARG(&w4, status), (caddr_t)&status,
sizeof(SCARG(&w4, status)));
if(error)
return error;
/* convert status/signal result */
if(WIFSTOPPED(status))
status =
IBCS2_STOPCODE(bsd_to_ibcs2_sig[WSTOPSIG(status)]);
else if(WIFSIGNALED(status))
status = bsd_to_ibcs2_sig[WTERMSIG(status)];
/* else exit status -- identical */
/* record result/status */
retval[1] = status;
return copyout((caddr_t)&status, (caddr_t)SCARG(&w4, status),
sizeof(SCARG(&w4, status)));
}
return 0;
}