d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
sys/i386/ibcs2/ibcs2_misc.c
View File

@ -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],
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;
}