X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fthread.h;h=eb653c12d8e83b57e9bdf1705100939d6d66709b;hb=743831e679b673a5680a0afd8402911516bf50e2;hp=8134ff01f8de73211fd2859fbf54f3862b48bfb1;hpb=e2b2b8f2156ede16d70a0bdd0cfad29ea31b8ccc;p=sbcl.git diff --git a/src/runtime/thread.h b/src/runtime/thread.h index 8134ff0..eb653c1 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 *))) @@ -31,9 +67,18 @@ 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) +#define CONTROL_STACK_ALIGNMENT_BYTES 8192 /* darwin wants page-aligned stacks */ +#define THREAD_ALIGNMENT_BYTES CONTROL_STACK_ALIGNMENT_BYTES +#else +#define THREAD_ALIGNMENT_BYTES BACKEND_PAGE_BYTES +#define CONTROL_STACK_ALIGNMENT_BYTES 16 +#endif + + #ifdef LISP_FEATURE_SB_THREAD #define for_each_thread(th) for(th=all_threads;th;th=th->next) #else @@ -42,6 +87,21 @@ extern int dynamic_values_bytes; #define for_each_thread(th) for(th=all_threads;th;th=0) #endif +static inline lispobj * +SymbolValueAddress(u64 tagged_symbol_pointer, void *thread) +{ + struct symbol *sym= (struct symbol *) + (pointer_sized_uint_t)(tagged_symbol_pointer-OTHER_POINTER_LOWTAG); +#ifdef LISP_FEATURE_SB_THREAD + if(thread && sym->tls_index) { + lispobj *r = &(((union per_thread_data *)thread) + ->dynamic_values[fixnum_value(sym->tls_index)]); + if((*r)!=NO_TLS_VALUE_MARKER_WIDETAG) return r; + } +#endif + return &sym->value; +} + static inline lispobj SymbolValue(u64 tagged_symbol_pointer, void *thread) { @@ -110,13 +170,6 @@ 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)]; -} - #if defined(LISP_FEATURE_SB_THREAD) && defined(LISP_FEATURE_GCC_TLS) extern __thread struct thread *current_thread; #endif @@ -177,21 +230,6 @@ static inline struct thread *arch_os_get_current_thread(void) #define EXCEPTION_PORT_TO_THREAD_STRUCT(th) ((struct thread *) th) #endif -#if defined(LISP_FEATURE_SB_THREAD) -#define thread_self pthread_self -#define thread_kill pthread_kill -#define thread_sigmask pthread_sigmask -#define thread_mutex_lock(l) pthread_mutex_lock(l) -#define thread_mutex_unlock(l) pthread_mutex_unlock(l) -#else -#define thread_self getpid -#define thread_kill kill -#define thread_sigmask sigprocmask -#define thread_mutex_lock(l) 0 -#define thread_mutex_unlock(l) 0 -#endif - extern void create_initial_thread(lispobj); -extern int kill_thread_safely(os_thread_t os_thread, int signo); #endif /* _INCLUDE_THREAD_H_ */