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| author | sef <sef@FreeBSD.org> | 1997-12-06 04:11:14 +0000 |
|---|---|---|
| committer | sef <sef@FreeBSD.org> | 1997-12-06 04:11:14 +0000 |
| commit | c7d273eccbdbad69eed3ca880a3956ca804a83c8 (patch) | |
| tree | 213faf73090825488ed9bc01587c6f942d45f53e /sys/kern/subr_trap.c | |
| parent | 9821c0958535e623d28d6d4fc1d1ac205a20ec36 (diff) | |
| download | FreeBSD-src-c7d273eccbdbad69eed3ca880a3956ca804a83c8.zip FreeBSD-src-c7d273eccbdbad69eed3ca880a3956ca804a83c8.tar.gz | |
Changes to allow event-based process monitoring and control.
Diffstat (limited to 'sys/kern/subr_trap.c')
| -rw-r--r-- | sys/kern/subr_trap.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/sys/kern/subr_trap.c b/sys/kern/subr_trap.c index 8c45d1f..f936fd6 100644 --- a/sys/kern/subr_trap.c +++ b/sys/kern/subr_trap.c @@ -35,7 +35,7 @@ * SUCH DAMAGE. * * from: @(#)trap.c 7.4 (Berkeley) 5/13/91 - * $Id: trap.c,v 1.117 1997/12/04 14:35:40 jkh Exp $ + * $Id: trap.c,v 1.118 1997/12/04 21:21:26 jmg Exp $ */ /* @@ -50,6 +50,7 @@ #include <sys/param.h> #include <sys/systm.h> #include <sys/proc.h> +#include <sys/pioctl.h> #include <sys/kernel.h> #include <sys/resourcevar.h> #include <sys/signalvar.h> @@ -987,6 +988,8 @@ syscall(frame) p->p_retval[0] = 0; p->p_retval[1] = frame.tf_edx; + STOPEVENT(p, S_SCE, callp->sy_narg); + error = (*callp->sy_call)(p, args); switch (error) { @@ -1037,6 +1040,14 @@ bad: if (KTRPOINT(p, KTR_SYSRET)) ktrsysret(p->p_tracep, code, error, p->p_retval[0]); #endif + + /* + * This works because errno is findable through the + * register set. If we ever support an emulation where this + * is not the case, this code will need to be revisited. + */ + STOPEVENT(p, S_SCX, code); + } /* |
