diff options
| -rw-r--r-- | nptl/pthreadP.h | 26 | ||||
| -rw-r--r-- | nptl/pthread_create.c | 49 | ||||
| -rw-r--r-- | nptl/pthread_sigqueue.c | 5 |
3 files changed, 5 insertions, 75 deletions
diff --git a/nptl/pthreadP.h b/nptl/pthreadP.h index d9b97c814a..d9a6137bd3 100644 --- a/nptl/pthreadP.h +++ b/nptl/pthreadP.h @@ -243,23 +243,11 @@ libc_hidden_proto (__pthread_tpp_change_priority) extern int __pthread_current_priority (void); libc_hidden_proto (__pthread_current_priority) -/* The library can run in debugging mode where it performs a lot more - tests. */ -extern int __pthread_debug attribute_hidden; -/** For now disable debugging support. */ -#if 0 -# define DEBUGGING_P __builtin_expect (__pthread_debug, 0) -# define INVALID_TD_P(pd) (DEBUGGING_P && __find_in_stack_list (pd) == NULL) -# define INVALID_NOT_TERMINATED_TD_P(pd) INVALID_TD_P (pd) -#else -# define DEBUGGING_P 0 -/* Simplified test. This will not catch all invalid descriptors but - is better than nothing. And if the test triggers the thread - descriptor is guaranteed to be invalid. */ -# define INVALID_TD_P(pd) __builtin_expect ((pd)->tid <= 0, 0) -# define INVALID_NOT_TERMINATED_TD_P(pd) __builtin_expect ((pd)->tid < 0, 0) -#endif - +/* This will not catch all invalid descriptors but is better than + nothing. And if the test triggers the thread descriptor is + guaranteed to be invalid. */ +#define INVALID_TD_P(pd) __builtin_expect ((pd)->tid <= 0, 0) +#define INVALID_NOT_TERMINATED_TD_P(pd) __builtin_expect ((pd)->tid < 0, 0) /* Cancellation test. */ #define CANCELLATION_P(self) \ @@ -322,10 +310,6 @@ __do_cancel (void) /* Internal prototypes. */ -/* Thread list handling. */ -extern struct pthread *__find_in_stack_list (struct pthread *pd) - attribute_hidden; - /* Deallocate a thread's stack after optionally making sure the thread descriptor is still valid. */ extern void __free_tcb (struct pthread *pd) attribute_hidden; diff --git a/nptl/pthread_create.c b/nptl/pthread_create.c index 775287d0e4..d19456d48b 100644 --- a/nptl/pthread_create.c +++ b/nptl/pthread_create.c @@ -42,9 +42,6 @@ #include <stap-probe.h> -/* Nozero if debugging mode is enabled. */ -int __pthread_debug; - /* Globally enabled events. */ static td_thr_events_t __nptl_threads_events __attribute_used__; @@ -210,46 +207,6 @@ static int create_thread (struct pthread *pd, const struct pthread_attr *attr, #include <createthread.c> - -struct pthread * -__find_in_stack_list (struct pthread *pd) -{ - list_t *entry; - struct pthread *result = NULL; - - lll_lock (GL (dl_stack_cache_lock), LLL_PRIVATE); - - list_for_each (entry, &GL (dl_stack_used)) - { - struct pthread *curp; - - curp = list_entry (entry, struct pthread, list); - if (curp == pd) - { - result = curp; - break; - } - } - - if (result == NULL) - list_for_each (entry, &GL (dl_stack_user)) - { - struct pthread *curp; - - curp = list_entry (entry, struct pthread, list); - if (curp == pd) - { - result = curp; - break; - } - } - - lll_unlock (GL (dl_stack_cache_lock), LLL_PRIVATE); - - return result; -} - - /* Deallocate a thread's stack after optionally making sure the thread descriptor is still valid. */ void @@ -259,12 +216,6 @@ __free_tcb (struct pthread *pd) if (__builtin_expect (atomic_bit_test_set (&pd->cancelhandling, TERMINATED_BIT) == 0, 1)) { - /* Remove the descriptor from the list. */ - if (DEBUGGING_P && __find_in_stack_list (pd) == NULL) - /* Something is really wrong. The descriptor for a still - running thread is gone. */ - abort (); - /* Free TPP data. */ if (__glibc_unlikely (pd->tpp != NULL)) { diff --git a/nptl/pthread_sigqueue.c b/nptl/pthread_sigqueue.c index 64bacfe41b..3ffb595489 100644 --- a/nptl/pthread_sigqueue.c +++ b/nptl/pthread_sigqueue.c @@ -31,11 +31,6 @@ pthread_sigqueue (pthread_t threadid, int signo, const union sigval value) #ifdef __NR_rt_tgsigqueueinfo struct pthread *pd = (struct pthread *) threadid; - /* Make sure the descriptor is valid. */ - if (DEBUGGING_P && INVALID_TD_P (pd)) - /* Not a valid thread handle. */ - return ESRCH; - /* Force load of pd->tid into local variable or register. Otherwise if a thread exits between ESRCH test and tgkill, we might return EINVAL, because pd->tid would be cleared by the kernel. */ |