static int
nbsd_thread_alive (struct target_ops *ops, ptid_t ptid)
{
struct target_ops *beneath = find_target_beneath (ops);
td_thread_t *th;
td_thread_info_t ti;
int val;
if (nbsd_thread_active)
{
if (ptid_lwp_p (ptid))
{
struct ptrace_lwpinfo pl;
pl.pl_lwpid = ptid_get_lwp (ptid);
val = ptrace (PT_LWPINFO, ptid_get_pid (ptid), (void *)&pl, sizeof(pl));
if (val == -1)
val = 0;
else
val = 1;
}
else
val = beneath->to_thread_alive (beneath, ptid);
}
else
val = beneath->to_thread_alive (beneath, ptid);
return val;
}
static int
fbsd_thread_alive (struct target_ops *ops, ptid_t ptid)
{
if (ptid_lwp_p (ptid))
{
struct ptrace_lwpinfo pl;
if (ptrace (PT_LWPINFO, ptid_get_lwp (ptid), (caddr_t) &pl, sizeof pl)
== -1)
return 0;
#ifdef PL_FLAG_EXITED
if (pl.pl_flags & PL_FLAG_EXITED)
return 0;
#endif
}
return 1;
}
static void
fbsd_resume (struct target_ops *ops,
ptid_t ptid, int step, enum gdb_signal signo)
{
if (debug_fbsd_lwp)
fprintf_unfiltered (gdb_stdlog,
"FLWP: fbsd_resume for ptid (%d, %ld, %ld)\n",
ptid_get_pid (ptid), ptid_get_lwp (ptid),
ptid_get_tid (ptid));
if (ptid_lwp_p (ptid))
{
/* If ptid is a specific LWP, suspend all other LWPs in the process. */
iterate_over_threads (resume_one_thread_cb, &ptid);
}
else
{
/* If ptid is a wildcard, resume all matching threads (they won't run
until the process is continued however). */
iterate_over_threads (resume_all_threads_cb, &ptid);
ptid = inferior_ptid;
}
super_resume (ops, ptid, step, signo);
}
