973 id_t s_tid;
974
975 if ((pid_t)arg1 == 1) {
976 s_pid = p->p_zone->zone_proc_initpid;
977 /* handle the dead/missing init(1M) case */
978 if (s_pid == -1)
979 s_pid = 1;
980 s_tid = 1;
981 } else if (lx_lpid_to_spair((pid_t)arg1, &s_pid, &s_tid) < 0) {
982 return (ESRCH);
983 }
984
985 if (copyout(&s_pid, (void *)arg2, sizeof (s_pid)) != 0 ||
986 copyout(&s_tid, (void *)arg3, sizeof (s_tid)) != 0) {
987 return (EFAULT);
988 }
989
990 return (0);
991 }
992
993 case B_SET_AFFINITY_MASK:
994 case B_GET_AFFINITY_MASK:
995 /*
996 * Retrieve or store the CPU affinity mask for the
997 * requested linux pid.
998 *
999 * arg1 is a linux PID (0 means curthread).
1000 * arg2 is the size of the given mask.
1001 * arg3 is the address of the affinity mask.
1002 */
1003 return (lx_sched_affinity(cmd, arg1, arg2, arg3, rval));
1004
1005 case B_PTRACE_STOP_FOR_OPT:
1006 return (lx_ptrace_stop_for_option((int)arg1, arg2 == 0 ?
1007 B_FALSE : B_TRUE, (ulong_t)arg3, arg4));
1008
1009 case B_PTRACE_CLONE_BEGIN:
1010 return (lx_ptrace_set_clone_inherit((int)arg1, arg2 == 0 ?
1011 B_FALSE : B_TRUE));
1012
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973 id_t s_tid;
974
975 if ((pid_t)arg1 == 1) {
976 s_pid = p->p_zone->zone_proc_initpid;
977 /* handle the dead/missing init(1M) case */
978 if (s_pid == -1)
979 s_pid = 1;
980 s_tid = 1;
981 } else if (lx_lpid_to_spair((pid_t)arg1, &s_pid, &s_tid) < 0) {
982 return (ESRCH);
983 }
984
985 if (copyout(&s_pid, (void *)arg2, sizeof (s_pid)) != 0 ||
986 copyout(&s_tid, (void *)arg3, sizeof (s_tid)) != 0) {
987 return (EFAULT);
988 }
989
990 return (0);
991 }
992
993 case B_SIGEV_THREAD_ID: {
994 /*
995 * Emulate Linux's timer_create(2) SIGEV_THREAD_ID
996 * notification method. This mechanism is only meant
997 * for userland threading libraries such as glibc and
998 * is documented as such. Therefore, assume this is
999 * only ever invoked for the purpose of alerting a
1000 * Linux threading library. Assume that the tid is a
1001 * member of the caller's process and the signal
1002 * number is valid. See lx_sigev_thread_id() for the
1003 * userland side of this emulation.
1004 *
1005 * arg1 -- Linux tid
1006 * arg2 -- signal number
1007 * arg3 -- union sigval
1008 */
1009
1010 proc_t *pp, *cp = curproc;
1011 int native_sig = ltos_signo[(int)arg2];
1012 pid_t native_pid;
1013 int native_tid;
1014 sigqueue_t *sqp;
1015
1016 lx_lpid_to_spair((pid_t)arg1, &native_pid, &native_tid);
1017
1018 mutex_enter(&pidlock);
1019 if (((pp = prfind(native_pid)) == NULL) || (pp->p_stat == SIDL)) {
1020 mutex_exit(&pidlock);
1021 return (ESRCH);
1022 }
1023 mutex_enter(&pp->p_lock);
1024 mutex_exit(&pidlock);
1025
1026 if ((t = idtot(pp, native_tid)) == NULL) {
1027 mutex_exit(&pp->p_lock);
1028 return (ESRCH);
1029 }
1030
1031 sqp = kmem_zalloc(sizeof (sigqueue_t), KM_SLEEP);
1032 sqp->sq_info.si_signo = native_sig;
1033 sqp->sq_info.si_code = SI_TIMER;
1034 sqp->sq_info.si_pid = cp->p_pid;
1035 sqp->sq_info.si_zoneid = getzoneid();
1036 sqp->sq_info.si_uid = crgetruid(CRED());
1037 sqp->sq_info.si_value = (union sigval)((void *)arg3);
1038 sigaddqa(pp, t, sqp);
1039
1040 mutex_exit(&pp->p_lock);
1041 return (0);
1042 }
1043
1044 case B_SET_AFFINITY_MASK:
1045 case B_GET_AFFINITY_MASK:
1046 /*
1047 * Retrieve or store the CPU affinity mask for the
1048 * requested linux pid.
1049 *
1050 * arg1 is a linux PID (0 means curthread).
1051 * arg2 is the size of the given mask.
1052 * arg3 is the address of the affinity mask.
1053 */
1054 return (lx_sched_affinity(cmd, arg1, arg2, arg3, rval));
1055
1056 case B_PTRACE_STOP_FOR_OPT:
1057 return (lx_ptrace_stop_for_option((int)arg1, arg2 == 0 ?
1058 B_FALSE : B_TRUE, (ulong_t)arg3, arg4));
1059
1060 case B_PTRACE_CLONE_BEGIN:
1061 return (lx_ptrace_set_clone_inherit((int)arg1, arg2 == 0 ?
1062 B_FALSE : B_TRUE));
1063
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