X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fthread.h;h=5d5eba9eae0130f58be68c418cecb5ea0581d8e5;hb=ee90e535c985f697c71d839083aed16710f846fd;hp=2815abd52f8830a1d59595d5dcf15c8ea6c1ce6e;hpb=9aa5b376fc754246caac367407d158a11a5dc355;p=sbcl.git diff --git a/src/runtime/thread.h b/src/runtime/thread.h index 2815abd..5d5eba9 100644 --- a/src/runtime/thread.h +++ b/src/runtime/thread.h @@ -18,7 +18,6 @@ struct alloc_region { }; #include "genesis/static-symbols.h" #include "genesis/thread.h" -#define STATE_STARTING (make_fixnum(0)) #define STATE_RUNNING (make_fixnum(1)) #define STATE_SUSPENDED (make_fixnum(2)) #define STATE_DEAD (make_fixnum(3)) @@ -43,7 +42,8 @@ extern int dynamic_values_bytes; #endif static inline lispobj -SymbolValue(u64 tagged_symbol_pointer, void *thread) { +SymbolValue(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 @@ -58,7 +58,8 @@ SymbolValue(u64 tagged_symbol_pointer, void *thread) { } static inline lispobj -SymbolTlValue(u64 tagged_symbol_pointer, void *thread) { +SymbolTlValue(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 @@ -70,7 +71,8 @@ SymbolTlValue(u64 tagged_symbol_pointer, void *thread) { } static inline void -SetSymbolValue(u64 tagged_symbol_pointer,lispobj val, void *thread) { +SetSymbolValue(u64 tagged_symbol_pointer,lispobj val, void *thread) +{ struct symbol *sym= (struct symbol *) (pointer_sized_uint_t)(tagged_symbol_pointer-OTHER_POINTER_LOWTAG); #ifdef LISP_FEATURE_SB_THREAD @@ -85,8 +87,10 @@ SetSymbolValue(u64 tagged_symbol_pointer,lispobj val, void *thread) { #endif sym->value = val; } + static inline void -SetTlSymbolValue(u64 tagged_symbol_pointer,lispobj val, void *thread) { +SetTlSymbolValue(u64 tagged_symbol_pointer,lispobj val, void *thread) +{ #ifdef LISP_FEATURE_SB_THREAD struct symbol *sym= (struct symbol *) (pointer_sized_uint_t)(tagged_symbol_pointer-OTHER_POINTER_LOWTAG); @@ -110,13 +114,33 @@ os_context_t *get_interrupt_context_for_thread(struct thread *th) * much stuff like struct thread and all_threads to be defined, which * usually aren't by that time. So, it's here instead. Sorry */ -static inline struct thread *arch_os_get_current_thread() { +static inline struct thread *arch_os_get_current_thread(void) +{ #if defined(LISP_FEATURE_SB_THREAD) #if defined(LISP_FEATURE_X86) register struct thread *me=0; - if(all_threads) + if(all_threads) { +#if defined(LISP_FEATURE_DARWIN) && defined(LISP_FEATURE_RESTORE_FS_SEGMENT_REGISTER_FROM_TLS) + sel_t sel; + struct thread *th = pthread_getspecific(specials); + sel.index = th->tls_cookie; + sel.rpl = USER_PRIV; + sel.ti = SEL_LDT; + __asm__ __volatile__ ("movw %w0, %%fs" : : "r"(sel)); +#elif defined(LISP_FEATURE_FREEBSD) && defined(LISP_FEATURE_RESTORE_TLS_SEGMENT_REGISTER_FROM_TLS) + struct thread *th = pthread_getspecific(specials); + unsigned int sel = LSEL(th->tls_cookie, SEL_UPL); + unsigned int fs = rfs(); + + /* Load FS only if it's necessary. Modifying a selector + * causes privilege checking and it takes long time. */ + if (fs != sel) + load_fs(sel); + return th; +#endif __asm__ __volatile__ ("movl %%fs:%c1,%0" : "=r" (me) : "i" (offsetof (struct thread,this))); + } return me; #else return pthread_getspecific(specials); @@ -126,6 +150,11 @@ static inline struct thread *arch_os_get_current_thread() { #endif } +#if defined(LISP_FEATURE_MACH_EXCEPTION_HANDLER) +#define THREAD_STRUCT_TO_EXCEPTION_PORT(th) ((mach_port_t) th) +#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 @@ -136,10 +165,11 @@ static inline struct thread *arch_os_get_current_thread() { #define thread_self getpid #define thread_kill kill #define thread_sigmask sigprocmask -#define thread_mutex_lock(l) -#define thread_mutex_unlock(l) +#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_ */