diff options
Diffstat (limited to 'linuxthreads/internals.h')
| -rw-r--r-- | linuxthreads/internals.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/linuxthreads/internals.h b/linuxthreads/internals.h index a5ec8b9284..90649335bb 100644 --- a/linuxthreads/internals.h +++ b/linuxthreads/internals.h @@ -363,6 +363,7 @@ extern int __pthread_condattr_init (pthread_condattr_t *attr); extern int __pthread_condattr_destroy (pthread_condattr_t *attr); extern pthread_t __pthread_self (void); extern pthread_descr __pthread_thread_self (void); +extern pthread_descr __pthread_self_stack (void) attribute_hidden; extern int __pthread_equal (pthread_t thread1, pthread_t thread2); extern void __pthread_exit (void *retval); extern int __pthread_getschedparam (pthread_t thread, int *policy, @@ -522,4 +523,30 @@ weak_extern (__pthread_thread_self) # endif #endif +#ifndef USE_TLS +# define __manager_thread (&__pthread_manager_thread) +#else +# define __manager_thread manager_thread +#endif + +extern inline __attribute__((always_inline)) pthread_descr +check_thread_self (void) +{ + pthread_descr self = thread_self (); +#if defined THREAD_SELF && defined INIT_THREAD_SELF + if (self == __manager_thread) + { + /* A new thread might get a cancel signal before it is fully + initialized, so that the thread register might still point to the + manager thread. Double check that this is really the manager + thread. */ + self = __pthread_self_stack(); + if (self != __manager_thread) + /* Oops, thread_self() isn't working yet.. */ + INIT_THREAD_SELF(self, self->p_nr); + } +#endif + return self; +} + #endif /* internals.h */ |