#include "nat/linux-osdata.h"
#include "auto-load.h"
#include "cli/cli-utils.h"
-
#include <signal.h>
#include <ctype.h>
+#include "nat/linux-namespaces.h"
/* GNU/Linux libthread_db support.
td_err_e (*td_ta_new_p) (struct ps_prochandle * ps,
td_thragent_t **ta);
- td_err_e (*td_ta_map_id2thr_p) (const td_thragent_t *ta, thread_t pt,
- td_thrhandle_t *__th);
td_err_e (*td_ta_map_lwp2thr_p) (const td_thragent_t *ta,
lwpid_t lwpid, td_thrhandle_t *th);
td_err_e (*td_ta_thr_iter_p) (const td_thragent_t *ta,
td_err_e (*td_ta_event_getmsg_p) (const td_thragent_t *ta,
td_event_msg_t *msg);
- td_err_e (*td_thr_validate_p) (const td_thrhandle_t *th);
td_err_e (*td_thr_get_info_p) (const td_thrhandle_t *th,
td_thrinfo_t *infop);
td_err_e (*td_thr_event_enable_p) (const td_thrhandle_t *th,
return 0;
}
- info->td_ta_map_id2thr_p = verbose_dlsym (info->handle, "td_ta_map_id2thr");
- if (info->td_ta_map_id2thr_p == NULL)
- return 0;
-
info->td_ta_map_lwp2thr_p = verbose_dlsym (info->handle,
"td_ta_map_lwp2thr");
if (info->td_ta_map_lwp2thr_p == NULL)
if (info->td_ta_thr_iter_p == NULL)
return 0;
- info->td_thr_validate_p = verbose_dlsym (info->handle, "td_thr_validate");
- if (info->td_thr_validate_p == NULL)
- return 0;
-
info->td_thr_get_info_p = verbose_dlsym (info->handle, "td_thr_get_info");
if (info->td_thr_get_info_p == NULL)
return 0;
child's thread list, we'll mistakenly think it has no threads
since the thread PID fields won't match the PID we give to
libthread_db. */
- char *our_pid_ns = linux_proc_pid_get_ns (getpid (), "pid");
- char *inferior_pid_ns = linux_proc_pid_get_ns (
- ptid_get_pid (inferior_ptid), "pid");
-
- if (our_pid_ns != NULL && inferior_pid_ns != NULL
- && strcmp (our_pid_ns, inferior_pid_ns) != 0)
+ if (!linux_ns_same (ptid_get_pid (inferior_ptid), LINUX_NS_PID))
{
warning (_ ("Target and debugger are in different PID "
"namespaces; thread lists and other data are "
"likely unreliable"));
}
-
- xfree (our_pid_ns);
- xfree (inferior_pid_ns);
}
}
priv->tid = ti_p->ti_tid;
update_thread_state (priv, ti_p);
- /* Add the thread to GDB's thread list. */
- if (tp == NULL)
+ /* Add the thread to GDB's thread list. If we already know about a
+ thread with this PTID, but it's marked exited, then the kernel
+ reused the tid of an old thread. */
+ if (tp == NULL || tp->state == THREAD_EXITED)
tp = add_thread_with_info (ptid, priv);
else
tp->priv = priv;
TD_SIGNO_MASK,
TD_THR_ANY_USER_FLAGS);
}
-
- if (libthread_db_debug)
+ CATCH (except, RETURN_MASK_ERROR)
{
- CATCH (except, RETURN_MASK_ERROR)
+ if (libthread_db_debug)
{
exception_fprintf (gdb_stdlog, except,
"Warning: find_new_threads_once: ");
}
- END_CATCH
+ }
+ END_CATCH
+ if (libthread_db_debug)
+ {
fprintf_unfiltered (gdb_stdlog,
_("Found %d new threads in iteration %d.\n"),
data.new_threads, iteration);