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(__pthread_manager_thread): Initialize p_lock.

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(__pthread_initialize_manager): Respect event flags also for creation
of the manager thread.
This commit is contained in:
Ulrich Drepper 1999-11-22 20:41:55 +00:00
parent 746baf53fa
commit cd794ec90f
1 changed files with 44 additions and 4 deletions
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48
linuxthreads/pthread.c
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@ -80,7 +80,7 @@ struct _pthread_descr_struct __pthread_manager_thread = {
0, /* int p_tid */
0, /* int p_pid */
0, /* int p_priority */
NULL, /* struct _pthread_fastlock * p_lock */
&__pthread_handles[1].h_lock, /* struct _pthread_fastlock * p_lock */
0, /* int p_signal */
NULL, /* sigjmp_buf * p_signal_buf */
NULL, /* sigjmp_buf * p_cancel_buf */
@ -371,9 +371,49 @@ int __pthread_initialize_manager(void)
return -1;
}
/* Start the thread manager */
pid = __clone(__pthread_manager, (void **) __pthread_manager_thread_tos,
CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND
, (void *)(long)manager_pipe[0]);
pid = 0;
if (__pthread_initial_thread.p_report_events)
{
/* It's a bit more complicated. We have to report the creation of
the manager thread. */
int idx = __td_eventword (TD_CREATE);
uint32_t mask = __td_eventmask (TD_CREATE);
if ((mask & (__pthread_threads_events.event_bits[idx]
| __pthread_initial_thread.p_eventbuf.eventmask.event_bits[idx]))
!= 0)
{
pid = __clone(__pthread_manager_event,
(void **) __pthread_manager_thread_tos,
CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND,
(void *)(long)manager_pipe[0]);
if (pid != -1)
{
/* Now fill in the information about the new thread in
the newly created thread's data structure. We cannot let
the new thread do this since we don't know whether it was
already scheduled when we send the event. */
__pthread_manager_thread.p_eventbuf.eventdata =
&__pthread_manager_thread;
__pthread_manager_thread.p_eventbuf.eventnum = TD_CREATE;
__pthread_last_event = &__pthread_manager_thread;
__pthread_manager_thread.p_tid = 2* PTHREAD_THREADS_MAX + 1;
__pthread_manager_thread.p_pid = pid;
/* Now call the function which signals the event. */
__linuxthreads_create_event ();
/* Now restart the thread. */
__pthread_unlock(__pthread_manager_thread.p_lock);
}
}
}
if (pid == 0)
pid = __clone(__pthread_manager, (void **) __pthread_manager_thread_tos,
CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND,
(void *)(long)manager_pipe[0]);
if (pid == -1) {
free(__pthread_manager_thread_bos);
__libc_close(manager_pipe[0]);