Update copyright.
[bpt/guile.git] / libguile / coop-threads.c
index e76f917..a3f4018 100644 (file)
@@ -39,8 +39,6 @@
  * whether to permit this exception to apply to your modifications.
  * If you do not wish that, delete this exception notice.  */
 
-/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
-   gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
 
 \f
 
@@ -109,7 +107,7 @@ scm_threads_mark_stacks (void)
          /* This assumes that all registers are saved into the jmp_buf */
          setjmp (scm_save_regs_gc_mark);
          scm_mark_locations ((SCM_STACKITEM *) scm_save_regs_gc_mark,
-                             ((scm_sizet) sizeof scm_save_regs_gc_mark
+                             ((size_t) sizeof scm_save_regs_gc_mark
                               / sizeof (SCM_STACKITEM)));
          
          scm_mark_locations (((size_t) thread->base,
@@ -130,7 +128,7 @@ scm_threads_mark_stacks (void)
          /* This assumes that all registers are saved into the jmp_buf */
          setjmp (scm_save_regs_gc_mark);
          scm_mark_locations ((SCM_STACKITEM *) scm_save_regs_gc_mark,
-                             ((scm_sizet) sizeof scm_save_regs_gc_mark
+                             ((size_t) sizeof scm_save_regs_gc_mark
                               / sizeof (SCM_STACKITEM)));
          
          scm_mark_locations ((SCM_STACKITEM *) &thread,
@@ -180,21 +178,19 @@ typedef struct scheme_launch_data {
   SCM handler;
 } scheme_launch_data;
 
-extern SCM scm_apply (SCM, SCM, SCM);
-
 static SCM
 scheme_body_bootstrip (scheme_launch_data* data)
 {
   /* First save the new root continuation */
   data->rootcont = scm_root->rootcont;
-  return scm_apply (data->body, SCM_EOL, SCM_EOL);
+  return scm_call_0 (data->body);
 }
 
 static SCM
 scheme_handler_bootstrip (scheme_launch_data* data, SCM tag, SCM throw_args)
 {
   scm_root->rootcont = data->rootcont;
-  return scm_apply (data->handler, scm_cons (tag, throw_args), SCM_EOL);
+  return scm_apply_1 (data->handler, tag, throw_args);
 }
 
 static void
@@ -209,9 +205,9 @@ scheme_launch_thread (void *p)
   data.rootcont = SCM_BOOL_F;
   data.body = SCM_CADR (argl);
   data.handler = SCM_CADDR (argl);
-  scm_internal_cwdr ((scm_catch_body_t) scheme_body_bootstrip,
+  scm_internal_cwdr ((scm_t_catch_body) scheme_body_bootstrip,
                     &data,
-                    (scm_catch_handler_t) scheme_handler_bootstrip,
+                    (scm_t_catch_handler) scheme_handler_bootstrip,
                     &data,
                     (SCM_STACKITEM *) &thread);
   SCM_SET_CELL_WORD_1 (thread, 0);
@@ -261,15 +257,14 @@ scm_call_with_new_thread (SCM argl)
     /* Allocate thread locals. */
     root = scm_make_root (scm_root->handle);
     /* Make thread. */
-    SCM_NEWCELL (thread);
+    thread = scm_cell (scm_tc16_thread, 0);
     SCM_DEFER_INTS;
-    SCM_SETCAR (thread, scm_tc16_thread);
     argl = scm_cons (thread, argl);
     /* Note that we couldn't pass a pointer to argl as data since the
        argl variable may not exist in memory when the thread starts.  */
     t = coop_create (scheme_launch_thread, (void *) argl);
     t->data = SCM_ROOT_STATE (root);
-    SCM_SET_CELL_WORD_1 (thread, (scm_bits_t) t);
+    SCM_SET_CELL_WORD_1 (thread, (scm_t_bits) t);
     scm_thread_count++;
     /* Note that the following statement also could cause coop_yield.*/
     SCM_ALLOW_INTS;
@@ -293,9 +288,9 @@ typedef struct c_launch_data {
     SCM thread;
     SCM rootcont;
   } u;
-  scm_catch_body_t body;
+  scm_t_catch_body body;
   void *body_data;
-  scm_catch_handler_t handler;
+  scm_t_catch_handler handler;
   void *handler_data;
 } c_launch_data;
 
@@ -323,24 +318,23 @@ c_launch_thread (void *p)
   /* We must use the address of `thread', otherwise the compiler will
      optimize it away.  This is OK since the longest SCM_STACKITEM
      also is a long.  */
-  scm_internal_cwdr ((scm_catch_body_t) c_body_bootstrip,
+  scm_internal_cwdr ((scm_t_catch_body) c_body_bootstrip,
                     data,
-                    (scm_catch_handler_t) c_handler_bootstrip,
+                    (scm_t_catch_handler) c_handler_bootstrip,
                     data,
                     (SCM_STACKITEM *) &thread);
   scm_thread_count--;
-  scm_must_free ((char *) data);
+  free ((char *) data);
 }
 
 SCM
-scm_spawn_thread (scm_catch_body_t body, void *body_data,
-                 scm_catch_handler_t handler, void *handler_data)
+scm_spawn_thread (scm_t_catch_body body, void *body_data,
+                 scm_t_catch_handler handler, void *handler_data)
 {
   SCM thread;
   coop_t *t;
   SCM root, old_winds;
-  c_launch_data *data = (c_launch_data *) scm_must_malloc (sizeof (*data),
-                                                          "scm_spawn_thread");
+  c_launch_data *data = (c_launch_data *) scm_malloc (sizeof (*data));
   
   /* Unwind wind chain. */
   old_winds = scm_dynwinds;
@@ -349,9 +343,8 @@ scm_spawn_thread (scm_catch_body_t body, void *body_data,
   /* Allocate thread locals. */
   root = scm_make_root (scm_root->handle);
   /* Make thread. */
-  SCM_NEWCELL (thread);
+  thread = scm_cell (scm_tc16_thread, 0);
   SCM_DEFER_INTS;
-  SCM_SETCAR (thread, scm_tc16_thread);
 
   data->u.thread = thread;
   data->body = body;
@@ -362,7 +355,7 @@ scm_spawn_thread (scm_catch_body_t body, void *body_data,
   t = coop_create (c_launch_thread, (void *) data);
   
   t->data = SCM_ROOT_STATE (root);
-  SCM_SET_CELL_WORD_1 (thread, (scm_bits_t) t);
+  SCM_SET_CELL_WORD_1 (thread, (scm_t_bits) t);
   scm_thread_count++;
   /* Note that the following statement also could cause coop_yield.*/
   SCM_ALLOW_INTS;
@@ -420,11 +413,8 @@ scm_single_thread_p (void)
 SCM
 scm_make_mutex (void)
 {
-  SCM m;
-  coop_m *data = (coop_m *) scm_must_malloc (sizeof (coop_m), "mutex");
-
-  SCM_NEWSMOB (m, scm_tc16_mutex, (scm_bits_t) data);
-  coop_mutex_init (data);
+  SCM m = scm_make_smob (scm_tc16_mutex);
+  coop_mutex_init (SCM_MUTEX_DATA (m));
   return m;
 }
 
@@ -452,9 +442,7 @@ scm_unlock_mutex (SCM m)
 SCM
 scm_make_condition_variable (void)
 {
-  SCM c;
-  coop_c *data = (coop_c *) scm_must_malloc (sizeof (coop_c), "condvar");
-  SCM_NEWSMOB (c, scm_tc16_condvar, (scm_bits_t) data);
+  SCM c = scm_make_smob (scm_tc16_condvar);
   coop_condition_variable_init (SCM_CONDVAR_DATA (c));
   return c;
 }