diff options
Diffstat (limited to 'proc/pgrp.c')
| -rw-r--r-- | proc/pgrp.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/proc/pgrp.c b/proc/pgrp.c index 219274af..3ff8ca1a 100644 --- a/proc/pgrp.c +++ b/proc/pgrp.c @@ -28,7 +28,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "proc.h" #include "process_S.h" -#include "ourmsg_U.h" +#include "mutated_ourmsg_U.h" /* Create and return a new process group with pgid PGID in session SESS. */ @@ -100,6 +100,9 @@ S_proc_setsid (struct proc *p) { struct session *sess; + if (!p) + return EOPNOTSUPP; + if (p->p_pgrp->pg_pgid == p->p_pid || pgrp_find (p->p_pid)) return EPERM; @@ -134,6 +137,8 @@ S_proc_getsid (struct proc *callerp, if (!p) return ESRCH; + /* No need to check CALLERP; we don't use it. */ + *sid = p->p_pgrp->pg_session->s_sid; return 0; } @@ -152,6 +157,8 @@ S_proc_getsessionpids (struct proc *callerp, pid_t *pp = *pids; u_int npids = *npidsp; + /* No need to check CALLERP; we don't use it. */ + s = session_find (sid); if (!s) return ESRCH; @@ -193,6 +200,8 @@ S_proc_getsessionpgids (struct proc *callerp, pid_t *pp = *pgids; int npgids = *npgidsp; + /* No need to check CALLERP; we don't use it. */ + s = session_find (sid); if (!s) return ESRCH; @@ -229,6 +238,8 @@ S_proc_getpgrppids (struct proc *callerp, pid_t *pp = *pids; unsigned int npids = *npidsp, count; + /* No need to check CALLERP; we don't use it. */ + if (pgid == 0) pg = callerp->p_pgrp; else @@ -263,6 +274,10 @@ S_proc_getsidport (struct proc *p, mach_port_t *sessport, mach_msg_type_name_t *sessport_type) { error_t err = 0; + + if (!p) + return EOPNOTSUPP; + if (!p->p_pgrp) *sessport = MACH_PORT_NULL; else @@ -285,6 +300,9 @@ S_proc_setpgrp (struct proc *callerp, struct proc *p; struct pgrp *pg; + if (!callerp) + return EOPNOTSUPP; + p = pid ? pid_find (pid) : callerp; if (!p || (p != callerp && p->p_parent != callerp)) @@ -323,6 +341,8 @@ S_proc_getpgrp (struct proc *callerp, pid_t *pgid) { struct proc *p = pid_find (pid); + + /* No need to check CALLERP; we don't use it. */ if (!p) return ESRCH; @@ -337,6 +357,8 @@ S_proc_getpgrp (struct proc *callerp, kern_return_t S_proc_mark_exec (struct proc *p) { + if (!p) + return EOPNOTSUPP; p->p_exec = 1; return 0; } |