X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fthread.h;h=5d5eba9eae0130f58be68c418cecb5ea0581d8e5;hb=57d7dd0f59b9df89feb1175b0efc449bb0b8d400;hp=78367d4163d1bc2343b1d35d03e0d147d2a31566;hpb=d724066ca963f974b47f1a51af13ff9d680392db;p=sbcl.git

diff --git a/src/runtime/thread.h b/src/runtime/thread.h
index 78367d4..5d5eba9 100644
--- a/src/runtime/thread.h
+++ b/src/runtime/thread.h
@@ -42,7 +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
@@ -57,7 +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
@@ -69,7 +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
@@ -84,8 +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);
@@ -109,13 +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);
@@ -125,6 +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
@@ -135,10 +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_ */