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Set return value for the correct process in ptrace().

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This commit is contained in:
Tor Egge 1997-11-12 12:28:12 +00:00
parent 18fed7b641
commit d72ec6655e
1 changed files with 5 additions and 5 deletions
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10
sys/kern/sys_process.c
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@ -28,7 +28,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: sys_process.c,v 1.30 1997/09/02 20:05:53 bde Exp $
* $Id: sys_process.c,v 1.31 1997/11/06 19:29:22 phk Exp $
*/
#include <sys/param.h>
@ -303,7 +303,7 @@ ptrace(curp, uap)
*/
write = 0;
p->p_retval[0] = 0;
curp->p_retval[0] = 0;
switch (uap->req) {
case PT_TRACE_ME:
@ -380,7 +380,7 @@ ptrace(curp, uap)
case PT_READ_I:
case PT_READ_D:
/* write = 0 set above */
iov.iov_base = write ? (caddr_t)&uap->data : (caddr_t)p->p_retval;
iov.iov_base = write ? (caddr_t)&uap->data : (caddr_t)curp->p_retval;
iov.iov_len = sizeof(int);
uio.uio_iov = &iov;
uio.uio_iovcnt = 1;
@ -414,9 +414,9 @@ ptrace(curp, uap)
if (p->p_flag & P_INMEM) {
p->p_addr->u_kproc.kp_proc = *p;
fill_eproc (p, &p->p_addr->u_kproc.kp_eproc);
p->p_retval[0] = *(int*)((u_int)p->p_addr + (u_int)uap->addr);
curp->p_retval[0] = *(int*)((u_int)p->p_addr + (u_int)uap->addr);
} else {
p->p_retval[0] = 0;
curp->p_retval[0] = 0;
error = EFAULT;
}
PRELE(p);