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2003-12-02 Roland McGrath <roland@redhat.com>

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* thread-db.c (enable_thread_event): Change return type to
	td_err_e.  Return TD_OK or error code.
	(enable_thread_event_reporting): Update callers.
This commit is contained in:
Roland McGrath
2003-12-04 00:20:25 +00:00
parent 4a9ecc4bcb
commit cdbc0b18d6
1 changed files with 12 additions and 10 deletions
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22
gdb/thread-db.c
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@ -240,7 +240,7 @@ thread_db_state_str (td_thr_state_e state)
} }
/* A callback function for td_ta_thr_iter, which we use to map all /* A callback function for td_ta_thr_iter, which we use to map all
threads to LWPs. threads to LWPs.
THP is a handle to the current thread; if INFOP is not NULL, the THP is a handle to the current thread; if INFOP is not NULL, the
struct thread_info associated with this thread is returned in struct thread_info associated with this thread is returned in
@ -465,16 +465,16 @@ thread_db_load (void)
return 1; return 1;
} }
static int static td_err_e
enable_thread_event (td_thragent_t *thread_agent, int event, CORE_ADDR *bp) enable_thread_event (td_thragent_t *thread_agent, int event, CORE_ADDR *bp)
{ {
td_notify_t notify; td_notify_t notify;
int err; td_err_e err;
/* Get the breakpoint address for thread EVENT. */ /* Get the breakpoint address for thread EVENT. */
err = td_ta_event_addr_p (thread_agent, event, &notify); err = td_ta_event_addr_p (thread_agent, event, &notify);
if (err != TD_OK) if (err != TD_OK)
return 0; return err;
/* Set up the breakpoint. */ /* Set up the breakpoint. */
(*bp) = gdbarch_convert_from_func_ptr_addr (current_gdbarch, (*bp) = gdbarch_convert_from_func_ptr_addr (current_gdbarch,
@ -482,7 +482,7 @@ enable_thread_event (td_thragent_t *thread_agent, int event, CORE_ADDR *bp)
&current_target); &current_target);
create_thread_event_breakpoint ((*bp)); create_thread_event_breakpoint ((*bp));
return 1; return TD_OK;
} }
static void static void
@ -522,7 +522,8 @@ enable_thread_event_reporting (void)
td_death_bp_addr = 0; td_death_bp_addr = 0;
/* Set up the thread creation event. */ /* Set up the thread creation event. */
if (!enable_thread_event (thread_agent, TD_CREATE, &td_create_bp_addr)) err = enable_thread_event (thread_agent, TD_CREATE, &td_create_bp_addr);
if (err != TD_OK)
{ {
warning ("Unable to get location for thread creation breakpoint: %s", warning ("Unable to get location for thread creation breakpoint: %s",
thread_db_err_str (err)); thread_db_err_str (err));
@ -530,7 +531,8 @@ enable_thread_event_reporting (void)
} }
/* Set up the thread death event. */ /* Set up the thread death event. */
if (!enable_thread_event (thread_agent, TD_DEATH, &td_death_bp_addr)) err = enable_thread_event (thread_agent, TD_DEATH, &td_death_bp_addr);
if (err != TD_OK)
{ {
warning ("Unable to get location for thread death breakpoint: %s", warning ("Unable to get location for thread death breakpoint: %s",
thread_db_err_str (err)); thread_db_err_str (err));
@ -833,10 +835,10 @@ check_event (ptid_t ptid)
was created and cannot specifically locate the event message for it. was created and cannot specifically locate the event message for it.
We have to call td_ta_event_getmsg() to get We have to call td_ta_event_getmsg() to get
the latest message. Since we have no way of correlating whether the latest message. Since we have no way of correlating whether
the event message we get back corresponds to our breakpoint, we must the event message we get back corresponds to our breakpoint, we must
loop and read all event messages, processing them appropriately. loop and read all event messages, processing them appropriately.
This guarantees we will process the correct message before continuing This guarantees we will process the correct message before continuing
from the breakpoint. from the breakpoint.
Currently, death events are not enabled. If they are enabled, Currently, death events are not enabled. If they are enabled,
the death event can use the td_thr_event_getmsg() interface to the death event can use the td_thr_event_getmsg() interface to