static void
get_current_thread ()
{
td_thrhandle_t th;
td_thrinfo_t ti;
long lwp;
ptid_t tmp, ptid;
lwp = get_current_lwp (proc_handle.pid);
tmp = BUILD_LWP (lwp, proc_handle.pid);
ptid = thread_from_lwp (tmp, &th, &ti);
if (!in_thread_list (ptid))
{
attach_thread (ptid, &th, &ti, 1);
}
inferior_ptid = ptid;
}
static ptid_t
fbsd_thread_wait (struct target_ops *ops,
ptid_t ptid, struct target_waitstatus *ourstatus, int options)
{
struct target_ops *beneath = find_target_beneath (ops);
ptid_t ret;
long lwp;
CORE_ADDR stop_pc;
td_thrhandle_t th;
td_thrinfo_t ti;
ret = beneath->to_wait (beneath, ptid, ourstatus, options);
if (GET_PID(ret) >= 0 && ourstatus->kind == TARGET_WAITKIND_STOPPED)
{
lwp = get_current_lwp (GET_PID(ret));
ret = thread_from_lwp (BUILD_LWP(lwp, GET_PID(ret)),
&th, &ti);
if (!in_thread_list(ret)) {
/*
* We have to enable event reporting for initial thread
* which was not mapped before.
*/
attach_thread(ret, &th, &ti, 1);
}
if (ourstatus->value.sig == TARGET_SIGNAL_TRAP)
check_event(ret);
/* this is a hack, if an event won't cause gdb to stop, for example,
SIGALRM, gdb resumes the process immediatly without setting
inferior_ptid to the new thread returned here, this is a bug
because inferior_ptid may already not exist there, and passing
a non-existing thread to fbsd_thread_resume causes error. However,
if the exiting thread is the currently selected thread,
then that is handled later in handle_inferior_event(), and we must
not delete the currently selected thread.
*/
if (!fbsd_thread_alive (ops, inferior_ptid) && !ptid_equal(inferior_ptid, ret))
{
delete_thread (inferior_ptid);
inferior_ptid = ret;
}
}
return (ret);
}
static ptid_t
fbsd_thread_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
{
ptid_t ret;
long lwp;
CORE_ADDR stop_pc;
td_thrhandle_t th;
td_thrinfo_t ti;
ret = child_ops.to_wait (ptid, ourstatus);
if (GET_PID(ret) >= 0 && ourstatus->kind == TARGET_WAITKIND_STOPPED)
{
lwp = get_current_lwp (GET_PID(ret));
ret = thread_from_lwp (BUILD_LWP(lwp, GET_PID(ret)),
&th, &ti);
if (!in_thread_list(ret)) {
/*
* We have to enable event reporting for initial thread
* which was not mapped before.
*/
attach_thread(ret, &th, &ti, 1);
}
if (ourstatus->value.sig == TARGET_SIGNAL_TRAP)
check_event(ret);
/* this is a hack, if an event won't cause gdb to stop, for example,
SIGARLM, gdb resumes the process immediatly without setting
inferior_ptid to the new thread returned here, this is a bug
because inferior_ptid may already not exist there, and passing
a none existing thread to fbsd_thread_resume causes error. */
if (!fbsd_thread_alive (inferior_ptid))
{
delete_thread (inferior_ptid);
inferior_ptid = ret;
}
}
return (ret);
}
