X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fthread.h;h=3de541546cd27488289bfa445510aff18dcaebf5;hb=0bce9320787ec158000514620f3b7122642861b1;hp=074edeca2f696ebbf5ebbf223f64b1342836f648;hpb=de0a47a2f2b165f34177669bd9499135847b4897;p=sbcl.git diff --git a/src/runtime/thread.h b/src/runtime/thread.h index 074edec..3de5415 100644 --- a/src/runtime/thread.h +++ b/src/runtime/thread.h @@ -8,7 +8,6 @@ #include "globals.h" #include "runtime.h" #include "os.h" -#include "interrupt.h" #ifdef LISP_FEATURE_GENCGC #include "gencgc-alloc-region.h" #else @@ -18,11 +17,48 @@ struct alloc_region { }; #include "genesis/static-symbols.h" #include "genesis/thread.h" #include "genesis/fdefn.h" +#include "interrupt.h" #define STATE_RUNNING (make_fixnum(1)) #define STATE_SUSPENDED (make_fixnum(2)) #define STATE_DEAD (make_fixnum(3)) +#ifdef LISP_FEATURE_SB_THREAD + +/* Only access thread state with blockables blocked. */ +static inline lispobj +thread_state(struct thread *thread) +{ + lispobj state; + pthread_mutex_lock(thread->state_lock); + state = thread->state; + pthread_mutex_unlock(thread->state_lock); + return state; +} + +static inline void +set_thread_state(struct thread *thread, lispobj state) +{ + pthread_mutex_lock(thread->state_lock); + thread->state = state; + pthread_cond_broadcast(thread->state_cond); + pthread_mutex_unlock(thread->state_lock); +} + +static inline void +wait_for_thread_state_change(struct thread *thread, lispobj state) +{ + pthread_mutex_lock(thread->state_lock); + while (thread->state == state) + pthread_cond_wait(thread->state_cond, thread->state_lock); + pthread_mutex_unlock(thread->state_lock); +} + +extern pthread_key_t lisp_thread; +#endif + +extern int kill_safely(os_thread_t os_thread, int signal); + #define THREAD_SLOT_OFFSET_WORDS(c) \ (offsetof(struct thread,c)/(sizeof (struct thread *))) @@ -31,7 +67,7 @@ union per_thread_data { lispobj dynamic_values[1]; /* actually more like 4000 or so */ }; -extern struct thread * volatile all_threads; +extern struct thread *all_threads; extern int dynamic_values_bytes; #if defined(LISP_FEATURE_DARWIN) @@ -134,12 +170,36 @@ StaticSymbolFunction(lispobj sym) return ((struct fdefn *)native_pointer(SymbolValue(sym, 0)))->fun; } -static inline -os_context_t *get_interrupt_context_for_thread(struct thread *th) -{ - return th->interrupt_contexts - [fixnum_value(SymbolValue(FREE_INTERRUPT_CONTEXT_INDEX,th)-1)]; -} +/* These are for use during GC, on the current thread, or on prenatal + * threads only. */ +#if defined(LISP_FEATURE_SB_THREAD) +#define get_binding_stack_pointer(thread) \ + ((thread)->binding_stack_pointer) +#define set_binding_stack_pointer(thread,value) \ + ((thread)->binding_stack_pointer = (lispobj *)(value)) +#define access_control_stack_pointer(thread) \ + ((thread)->control_stack_pointer) +# if !defined(LISP_FEATURE_X86) && !defined(LISP_FEATURE_X86_64) +#define access_control_frame_pointer(thread) \ + ((thread)->control_frame_pointer) +# endif +#elif defined(LISP_FEATURE_X86) || defined(LISP_FEATURE_X86_64) +#define get_binding_stack_pointer(thread) \ + SymbolValue(BINDING_STACK_POINTER, thread) +#define set_binding_stack_pointer(thread,value) \ + SetSymbolValue(BINDING_STACK_POINTER, (lispobj)(value), thread) +#define access_control_stack_pointer(thread) \ + (current_control_stack_pointer) +#else +#define get_binding_stack_pointer(thread) \ + (current_binding_stack_pointer) +#define set_binding_stack_pointer(thread,value) \ + (current_binding_stack_pointer = (lispobj *)(value)) +#define access_control_stack_pointer(thread) \ + (current_control_stack_pointer) +#define access_control_frame_pointer(thread) \ + (current_control_frame_pointer) +#endif #if defined(LISP_FEATURE_SB_THREAD) && defined(LISP_FEATURE_GCC_TLS) extern __thread struct thread *current_thread; @@ -202,6 +262,5 @@ static inline struct thread *arch_os_get_current_thread(void) #endif extern void create_initial_thread(lispobj); -extern int kill_thread_safely(os_thread_t os_thread, int signo); #endif /* _INCLUDE_THREAD_H_ */