X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fthread.h;h=2ff59e6b6c9ad20a6c60a223d156735494b23d65;hb=5e291412ff095a2016388eee8ac265e12d565119;hp=674f051595895f71ac198fef940545de7b0bf3a4;hpb=be76f6319dcb41477209676e6f26e0030e4659ba;p=sbcl.git

diff --git a/src/runtime/thread.h b/src/runtime/thread.h
index 674f051..2ff59e6 100644
--- a/src/runtime/thread.h
+++ b/src/runtime/thread.h
@@ -4,19 +4,25 @@
 
 #include <sys/types.h>
 #include <unistd.h>
-#include "runtime.h"
+#include <stddef.h>
 #include "sbcl.h"
+#include "runtime.h"
 #include "os.h"
 #include "interrupt.h"
 #ifdef LISP_FEATURE_GENCGC
 #include "gencgc-alloc-region.h"
 #else
-#error "threading doesn't work with cheney gc yet"
+struct alloc_region { };
 #endif
 #include "genesis/symbol.h"
 #include "genesis/static-symbols.h"
 #include "genesis/thread.h"
 
+#define STATE_RUNNING (make_fixnum(0))
+#define STATE_STOPPING (make_fixnum(1))
+#define STATE_STOPPED (make_fixnum(2))
+#define STATE_DEAD (make_fixnum(3))
+
 #define THREAD_SLOT_OFFSET_WORDS(c) \
  (offsetof(struct thread,c)/(sizeof (struct thread *)))
 
@@ -29,29 +35,42 @@ extern struct thread *all_threads;
 extern int dynamic_values_bytes;
 extern struct thread *find_thread_by_pid(pid_t pid);
 
+#ifdef LISP_FEATURE_SB_THREAD
 #define for_each_thread(th) for(th=all_threads;th;th=th->next)
+#else
+/* there's some possibility a SSC could notice this never actually
+ * loops  */
+#define for_each_thread(th) for(th=all_threads;th;th=0)
+#endif
 
-static inline lispobj SymbolValue(u32 tagged_symbol_pointer, void *thread) {
+static inline lispobj SymbolValue(u64 tagged_symbol_pointer, void *thread) {
     struct symbol *sym= (struct symbol *)
-	(tagged_symbol_pointer-OTHER_POINTER_LOWTAG);
+	(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!=UNBOUND_MARKER_WIDETAG) return r;
     }
+#endif
     return sym->value;
 }
-static inline lispobj SymbolTlValue(u32 tagged_symbol_pointer, void *thread) {
+static inline lispobj SymbolTlValue(u64 tagged_symbol_pointer, void *thread) {
     struct symbol *sym= (struct symbol *)
-	(tagged_symbol_pointer-OTHER_POINTER_LOWTAG);
+	(pointer_sized_uint_t)(tagged_symbol_pointer-OTHER_POINTER_LOWTAG);
+#ifdef LISP_FEATURE_SB_THREAD
     return ((union per_thread_data *)thread)
 	->dynamic_values[fixnum_value(sym->tls_index)];
+#else
+    return sym->value;
+#endif
 }
 
-static inline void SetSymbolValue(u32 tagged_symbol_pointer,lispobj val, void *thread) {
+static inline void SetSymbolValue(u64 tagged_symbol_pointer,lispobj val, void *thread) {
     struct symbol *sym=	(struct symbol *)
-	(tagged_symbol_pointer-OTHER_POINTER_LOWTAG);
+	(pointer_sized_uint_t)(tagged_symbol_pointer-OTHER_POINTER_LOWTAG);
+#ifdef LISP_FEATURE_SB_THREAD
     if(thread && sym->tls_index) {
 	lispobj *pr= &(((union per_thread_data *)thread)
 		       ->dynamic_values[fixnum_value(sym->tls_index)]);
@@ -60,16 +79,46 @@ static inline void SetSymbolValue(u32 tagged_symbol_pointer,lispobj val, void *t
 	    return;
 	}
     }
+#endif
     sym->value = val;
 }
-static inline void SetTlSymbolValue(u32 tagged_symbol_pointer,lispobj val, void *thread) {
+static inline void SetTlSymbolValue(u64 tagged_symbol_pointer,lispobj val, void *thread) {
+#ifdef LISP_FEATURE_SB_THREAD
     struct symbol *sym=	(struct symbol *)
-	(tagged_symbol_pointer-OTHER_POINTER_LOWTAG);
+	(pointer_sized_uint_t)(tagged_symbol_pointer-OTHER_POINTER_LOWTAG);
     ((union per_thread_data *)thread)
 	->dynamic_values[fixnum_value(sym->tls_index)]
 	=val;
+#else
+    SetSymbolValue(tagged_symbol_pointer,val,thread) ;
+#endif
+}
+
+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)];
+}
+
+/* This is clearly per-arch and possibly even per-OS code, but we can't 
+ * put it somewhere sensible like x86-linux-os.c because it needs too
+ * 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() {
+#if defined(LISP_FEATURE_SB_THREAD) && defined (LISP_FEATURE_X86)
+    register struct thread *me=0;
+    if(all_threads)
+	__asm__ __volatile__ ("movl %%fs:%c1,%0" : "=r" (me)
+		 : "i" (offsetof (struct thread,this)));
+    return me;
+#else
+    return all_threads;
+#endif
 }
 
-    
+
+int arch_os_thread_init(struct thread *thread);
+extern void create_initial_thread(lispobj);
 
 #endif /* _INCLUDE_THREAD_H_ */