diff options
Diffstat (limited to 'linuxthreads/internals.h')
| -rw-r--r-- | linuxthreads/internals.h | 126 |
1 files changed, 125 insertions, 1 deletions
diff --git a/linuxthreads/internals.h b/linuxthreads/internals.h index 58a60fffc2..3e10304c2f 100644 --- a/linuxthreads/internals.h +++ b/linuxthreads/internals.h @@ -245,6 +245,9 @@ static inline int nonexisting_handle(pthread_handle h, pthread_t id) #define SPIN_SLEEP_DURATION 2000001 #endif +/* Defined and used in libc.so. */ +extern int __libc_multiple_threads attribute_hidden; + /* Debugging */ #ifdef DEBUG @@ -294,6 +297,24 @@ extern int __pthread_attr_setstack (pthread_attr_t *__attr, void *__stackaddr, size_t __stacksize); extern int __pthread_attr_getstack (const pthread_attr_t *__attr, void **__stackaddr, size_t *__stacksize); +extern int __pthread_attr_destroy (pthread_attr_t *attr); +extern int __pthread_attr_setdetachstate (pthread_attr_t *attr, + int detachstate); +extern int __pthread_attr_getdetachstate (const pthread_attr_t *attr, + int *detachstate); +extern int __pthread_attr_setschedparam (pthread_attr_t *attr, + const struct sched_param *param); +extern int __pthread_attr_getschedparam (const pthread_attr_t *attr, + struct sched_param *param); +extern int __pthread_attr_setschedpolicy (pthread_attr_t *attr, int policy); +extern int __pthread_attr_getschedpolicy (const pthread_attr_t *attr, + int *policy); +extern int __pthread_attr_setinheritsched (pthread_attr_t *attr, int inherit); +extern int __pthread_attr_getinheritsched (const pthread_attr_t *attr, + int *inherit); +extern int __pthread_attr_setscope (pthread_attr_t *attr, int scope); +extern int __pthread_attr_getscope (const pthread_attr_t *attr, int *scope); + extern int __pthread_getconcurrency (void); extern int __pthread_setconcurrency (int __level); extern int __pthread_mutex_timedlock (pthread_mutex_t *__mutex, @@ -305,6 +326,37 @@ extern int __pthread_mutexattr_setpshared (pthread_mutexattr_t *__attr, extern int __pthread_mutexattr_gettype (const pthread_mutexattr_t *__attr, int *__kind); extern void __pthread_kill_other_threads_np (void); +extern int __pthread_mutex_init (pthread_mutex_t *__mutex, + __const pthread_mutexattr_t *__mutex_attr); +extern int __pthread_mutex_destroy (pthread_mutex_t *__mutex); +extern int __pthread_mutex_lock (pthread_mutex_t *__mutex); +extern int __pthread_mutex_trylock (pthread_mutex_t *__mutex); +extern int __pthread_mutex_unlock (pthread_mutex_t *__mutex); +#if defined NOT_IN_libc && defined IS_IN_libpthread +hidden_proto (__pthread_mutex_init) +hidden_proto (__pthread_mutex_destroy) +hidden_proto (__pthread_mutex_lock) +hidden_proto (__pthread_mutex_trylock) +hidden_proto (__pthread_mutex_unlock) +#endif +extern int __pthread_cond_init (pthread_cond_t *cond, + const pthread_condattr_t *cond_attr); +extern int __pthread_cond_destroy (pthread_cond_t *cond); +extern int __pthread_cond_wait (pthread_cond_t *cond, pthread_mutex_t *mutex); +extern int __pthread_cond_signal (pthread_cond_t *cond); +extern int __pthread_cond_broadcast (pthread_cond_t *cond); +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 int __pthread_equal (pthread_t thread1, pthread_t thread2); +extern void __pthread_exit (void *retval); +extern int __pthread_getschedparam (pthread_t thread, int *policy, + struct sched_param *param); +extern int __pthread_setschedparam (pthread_t thread, int policy, + const struct sched_param *param); +extern int __pthread_setcancelstate (int state, int * oldstate); +extern int __pthread_setcanceltype (int type, int * oldtype); extern void __pthread_restart_old(pthread_descr th); extern void __pthread_suspend_old(pthread_descr self); @@ -339,7 +391,6 @@ extern int __pthread_spin_destroy (pthread_spinlock_t *__lock); extern int __pthread_clock_gettime (hp_timing_t freq, struct timespec *tp); extern void __pthread_clock_settime (hp_timing_t offset); - /* Global pointers to old or new suspend functions */ extern void (*__pthread_restart)(pthread_descr); @@ -386,4 +437,77 @@ extern void __pthread_sighandler_rt(int signo, struct siginfo *si, struct ucontext *uc); extern void __pthread_null_sighandler(int sig); +/* Cancellation. */ +extern int __pthread_enable_asynccancel (void) attribute_hidden; +extern void __pthread_disable_asynccancel (int oldtype) + internal_function attribute_hidden; + +/* The two functions are in libc.so and not exported. */ +extern int __libc_enable_asynccancel (void) attribute_hidden; +extern void __libc_disable_asynccancel (int oldtype) + internal_function attribute_hidden; + +#if !defined NOT_IN_libc +# define LIBC_CANCEL_ASYNC() \ + __libc_enable_asynccancel () +# define LIBC_CANCEL_RESET(oldtype) \ + __libc_disable_asynccancel (oldtype) +#elif defined NOT_IN_libc && defined IS_IN_libpthread +# define LIBC_CANCEL_ASYNC() \ + __pthread_enable_asynccancel () +# define LIBC_CANCEL_RESET(oldtype) \ + __pthread_disable_asynccancel (oldtype) +#else +# define LIBC_CANCEL_ASYNC() 0 /* Just a dummy value. */ +# define LIBC_CANCEL_RESET(val) ((void)(val)) /* Nothing, but evaluate it. */ +#endif + +/* Data type shared with libc. The libc uses it to pass on calls to + the thread functions. */ +struct pthread_functions +{ + int (*ptr_pthread_attr_destroy) (pthread_attr_t *); + int (*ptr_pthread_attr_init_2_0) (pthread_attr_t *); + int (*ptr_pthread_attr_init_2_1) (pthread_attr_t *); + int (*ptr_pthread_attr_getdetachstate) (const pthread_attr_t *, int *); + int (*ptr_pthread_attr_setdetachstate) (pthread_attr_t *, int); + int (*ptr_pthread_attr_getinheritsched) (const pthread_attr_t *, int *); + int (*ptr_pthread_attr_setinheritsched) (pthread_attr_t *, int); + int (*ptr_pthread_attr_getschedparam) (const pthread_attr_t *, + struct sched_param *); + int (*ptr_pthread_attr_setschedparam) (pthread_attr_t *, + const struct sched_param *); + int (*ptr_pthread_attr_getschedpolicy) (const pthread_attr_t *, int *); + int (*ptr_pthread_attr_setschedpolicy) (pthread_attr_t *, int); + int (*ptr_pthread_attr_getscope) (const pthread_attr_t *, int *); + int (*ptr_pthread_attr_setscope) (pthread_attr_t *, int); + int (*ptr_pthread_condattr_destroy) (pthread_condattr_t *); + int (*ptr_pthread_condattr_init) (pthread_condattr_t *); + int (*ptr_pthread_cond_broadcast) (pthread_cond_t *); + int (*ptr_pthread_cond_destroy) (pthread_cond_t *); + int (*ptr_pthread_cond_init) (pthread_cond_t *, const pthread_condattr_t *); + int (*ptr_pthread_cond_signal) (pthread_cond_t *); + int (*ptr_pthread_cond_wait) (pthread_cond_t *, pthread_mutex_t *); + int (*ptr_pthread_equal) (pthread_t, pthread_t); + void (*ptr_pthread_exit) (void *); + int (*ptr_pthread_getschedparam) (pthread_t, int *, struct sched_param *); + int (*ptr_pthread_setschedparam) (pthread_t, int, + const struct sched_param *); + int (*ptr_pthread_mutex_destroy) (pthread_mutex_t *); + int (*ptr_pthread_mutex_init) (pthread_mutex_t *, + const pthread_mutexattr_t *); + int (*ptr_pthread_mutex_lock) (pthread_mutex_t *); + int (*ptr_pthread_mutex_trylock) (pthread_mutex_t *); + int (*ptr_pthread_mutex_unlock) (pthread_mutex_t *); + pthread_t (*ptr_pthread_self) (void); + int (*ptr_pthread_setcancelstate) (int, int *); + int (*ptr_pthread_setcanceltype) (int, int *); + void (*ptr_pthread_do_exit) (void *retval, char *currentframe); + pthread_descr (*ptr_pthread_thread_self) (void); +}; + +/* Variable in libc.so. */ +extern struct pthread_functions __libc_pthread_functions attribute_hidden; +extern int * __libc_pthread_init (const struct pthread_functions *functions); + #endif /* internals.h */ |