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* linux-nat.c (exit_lwp): Fix NULL pointer access. 

(linux_nat_handle_extended): New parameter STOPPING.
	(wait_lwp): Call it with STOPPING equals 1.
	(linux_nat_wait): Call it with STOPPING equals 0.
This commit is contained in:
Ulrich Weigand 2006-05-05 23:48:28 +00:00
parent d539ed7ecd
commit 6fc191037f
2 changed files with 24 additions and 9 deletions
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7
gdb/ChangeLog
View File

@ -1,3 +1,10 @@
2006-05-05 Ulrich Weigand <uweigand@de.ibm.com>
* linux-nat.c (exit_lwp): Fix NULL pointer access.
(linux_nat_handle_extended): New parameter STOPPING.
(wait_lwp): Call it with STOPPING equals 1.
(linux_nat_wait): Call it with STOPPING equals 0.
2006-05-05 Ulrich Weigand <uweigand@de.ibm.com>
* linux-nat.c (linux_nat_wait): Do not short-cut reporting

26
gdb/linux-nat.c
View File

@ -900,10 +900,13 @@ exit_lwp (struct lwp_info *lp)
struct thread_info *thr;
thr = iterate_over_threads (find_thread_from_lwp, &lp->ptid);
if (thr && !ptid_equal (thr->ptid, inferior_ptid))
delete_thread (thr->ptid);
else
record_dead_thread (thr->ptid);
if (thr)
{
if (!ptid_equal (thr->ptid, inferior_ptid))
delete_thread (thr->ptid);
else
record_dead_thread (thr->ptid);
}
}
delete_lwp (lp->ptid);
@ -1279,10 +1282,11 @@ kill_lwp (int lwpid, int signo)
just pass off to linux_handle_extended_wait, but if it reports a
clone event we need to add the new LWP to our list (and not report
the trap to higher layers). This function returns non-zero if
the event should be ignored and we should wait again. */
the event should be ignored and we should wait again. If STOPPING
is true, the new LWP remains stopped, otherwise it is continued. */
static int
linux_nat_handle_extended (struct lwp_info *lp, int status)
linux_nat_handle_extended (struct lwp_info *lp, int status, int stopping)
{
linux_handle_extended_wait (GET_LWP (lp->ptid), status,
&lp->waitstatus);
@ -1294,7 +1298,11 @@ linux_nat_handle_extended (struct lwp_info *lp, int status)
new_lp = add_lwp (BUILD_LWP (lp->waitstatus.value.related_pid,
GET_PID (inferior_ptid)));
new_lp->cloned = 1;
new_lp->stopped = 1;
if (stopping)
new_lp->stopped = 1;
else
ptrace (PTRACE_CONT, lp->waitstatus.value.related_pid, 0, 0);
lp->waitstatus.kind = TARGET_WAITKIND_IGNORE;
@ -1378,7 +1386,7 @@ wait_lwp (struct lwp_info *lp)
fprintf_unfiltered (gdb_stdlog,
"WL: Handling extended status 0x%06x\n",
status);
if (linux_nat_handle_extended (lp, status))
if (linux_nat_handle_extended (lp, status, 1))
return wait_lwp (lp);
}
@ -2023,7 +2031,7 @@ retry:
fprintf_unfiltered (gdb_stdlog,
"LLW: Handling extended status 0x%06x\n",
status);
if (linux_nat_handle_extended (lp, status))
if (linux_nat_handle_extended (lp, status, 0))
{
status = 0;
continue;