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* linux-nat.c (lin_lwp_attach_lwp): Return a status. Do not

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add the LWP to our list until we are attached.  Warn instead
	of erroring if the attach fails.
	* linux-nat.h (lin_lwp_attach_lwp): New prototype.
	* linux-thread-db.c (attach_thread): Call lin_lwp_attach_lwp
	directly.  Do not add the thread to our list until we are
	successfully attached.
	* config/nm-linux.h (lin_lwp_attach_lwp, ATTACH_LWP): Delete.
This commit is contained in:
Daniel Jacobowitz
2006-12-31 21:04:51 +00:00
parent 59f80f1088
commit 9ee57c332e
5 changed files with 47 additions and 24 deletions
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15
gdb/linux-thread-db.c
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@@ -690,6 +690,13 @@ attach_thread (ptid_t ptid, const td_thrhandle_t *th_p,
check_thread_signals ();
if (ti_p->ti_state == TD_THR_UNKNOWN || ti_p->ti_state == TD_THR_ZOMBIE)
return; /* A zombie thread -- do not attach. */
/* Under GNU/Linux, we have to attach to each and every thread. */
if (lin_lwp_attach_lwp (BUILD_LWP (ti_p->ti_lid, GET_PID (ptid)), 0) < 0)
return;
/* Add the thread to GDB's thread list. */
tp = add_thread (ptid);
tp->private = xmalloc (sizeof (struct private_thread_info));
@@ -698,14 +705,6 @@ attach_thread (ptid_t ptid, const td_thrhandle_t *th_p,
if (verbose)
printf_unfiltered (_("[New %s]\n"), target_pid_to_str (ptid));
if (ti_p->ti_state == TD_THR_UNKNOWN || ti_p->ti_state == TD_THR_ZOMBIE)
return; /* A zombie thread -- do not attach. */
/* Under GNU/Linux, we have to attach to each and every thread. */
#ifdef ATTACH_LWP
ATTACH_LWP (BUILD_LWP (ti_p->ti_lid, GET_PID (ptid)), 0);
#endif
/* Enable thread event reporting for this thread. */
err = td_thr_event_enable_p (th_p, 1);
if (err != TD_OK)