diff options
Diffstat (limited to 'libpthread/linuxthreads/internals.h')
| -rw-r--r-- | libpthread/linuxthreads/internals.h | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/libpthread/linuxthreads/internals.h b/libpthread/linuxthreads/internals.h index ffa52aff3..45439f363 100644 --- a/libpthread/linuxthreads/internals.h +++ b/libpthread/linuxthreads/internals.h @@ -29,6 +29,9 @@ #include "semaphore.h" #include "../linuxthreads_db/thread_dbP.h" +/* Pretend to be glibc 2.3 as far as gdb is concerned */ +#define VERSION "2.3" + #ifndef THREAD_GETMEM # define THREAD_GETMEM(descr, member) descr->member #endif @@ -159,6 +162,8 @@ struct _pthread_descr_struct { struct pthread_atomic p_resume_count; /* number of times restart() was called on thread */ char p_woken_by_cancel; /* cancellation performed wakeup */ + char p_condvar_avail; /* flag if conditional variable became avail */ + char p_sem_avail; /* flag if semaphore became available */ pthread_extricate_if *p_extricate; /* See above */ pthread_readlock_info *p_readlock_list; /* List of readlock info structs */ pthread_readlock_info *p_readlock_free; /* Free list of structs */ @@ -186,7 +191,7 @@ struct pthread_request { pthread_descr req_thread; /* Thread doing the request */ enum { /* Request kind */ REQ_CREATE, REQ_FREE, REQ_PROCESS_EXIT, REQ_MAIN_THREAD_EXIT, - REQ_POST, REQ_DEBUG + REQ_POST, REQ_DEBUG, REQ_KICK } req_kind; union { /* Arguments for request */ struct { /* For REQ_CREATE: */ @@ -337,6 +342,21 @@ static inline int invalid_handle(pthread_handle h, pthread_t id) #define CURRENT_STACK_FRAME ({ char __csf; &__csf; }) #endif +/* If MEMORY_BARRIER isn't defined in pt-machine.h, assume the + architecture doesn't need a memory barrier instruction (e.g. Intel + x86). Still we need the compiler to respect the barrier and emit + all outstanding operations which modify memory. Some architectures + distinguish between full, read and write barriers. */ +#ifndef MEMORY_BARRIER +#define MEMORY_BARRIER() asm ("" : : : "memory") +#endif +#ifndef READ_MEMORY_BARRIER +#define READ_MEMORY_BARRIER() MEMORY_BARRIER() +#endif +#ifndef WRITE_MEMORY_BARRIER +#define WRITE_MEMORY_BARRIER() MEMORY_BARRIER() +#endif + /* Recover thread descriptor for the current thread */ extern pthread_descr __pthread_find_self (void) __attribute__ ((const)); @@ -425,7 +445,6 @@ void __pthread_manager_sighandler(int sig); void __pthread_reset_main_thread(void); void __fresetlockfiles(void); void __pthread_manager_adjust_prio(int thread_prio); -void __pthread_set_own_extricate_if(pthread_descr self, pthread_extricate_if *peif); void __pthread_initialize_minimal (void); extern int __pthread_attr_setguardsize __P ((pthread_attr_t *__attr, @@ -446,15 +465,15 @@ extern int __pthread_mutexattr_gettype __P ((__const pthread_mutexattr_t *__attr int *__kind)); extern void __pthread_kill_other_threads_np __P ((void)); -void __pthread_restart_old(pthread_descr th); -void __pthread_suspend_old(pthread_descr self); - -void __pthread_restart_new(pthread_descr th); -void __pthread_suspend_new(pthread_descr self); +extern void __pthread_restart_old(pthread_descr th); +extern void __pthread_suspend_old(pthread_descr self); +extern int __pthread_timedsuspend_old(pthread_descr self, const struct timespec *abs); -void __pthread_wait_for_restart_signal(pthread_descr self); +extern void __pthread_restart_new(pthread_descr th); +extern void __pthread_suspend_new(pthread_descr self); +extern int __pthread_timedsuspend_new(pthread_descr self, const struct timespec *abs); -void __pthread_init_condvar(int rt_sig_available); +extern void __pthread_wait_for_restart_signal(pthread_descr self); /* Global pointers to old or new suspend functions */ |