===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/gc/Attic/irix_threads.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -p -r1.3 -r1.4
--- OpenXM_contrib2/asir2000/gc/Attic/irix_threads.c	2002/07/24 07:46:18	1.3
+++ OpenXM_contrib2/asir2000/gc/Attic/irix_threads.c	2002/07/24 08:00:09	1.4
@@ -21,11 +21,11 @@
  * HP/UX 11.
  *
  * Note that there is a lot of code duplication between linux_threads.c
- * and hpux_irix_threads.c; any changes made here may need to be reflected
+ * and irix_threads.c; any changes made here may need to be reflected
  * there too.
  */
 
-# if defined(GC_IRIX_THREADS) || defined(IRIX_THREADS)
+# if defined(GC_IRIX_THREADS)
 
 # include "private/gc_priv.h"
 # include <pthread.h>
@@ -41,6 +41,10 @@
 #undef pthread_join
 #undef pthread_detach
 
+#ifdef HANDLE_FORK
+  --> Not yet supported.  Try porting the code from linux_threads.c.
+#endif
+
 void GC_thr_init();
 
 #if 0
@@ -100,8 +104,8 @@ GC_thread GC_lookup_thread(pthread_t id);
  * The only way to suspend threads given the pthread interface is to send
  * signals.  Unfortunately, this means we have to reserve
  * a signal, and intercept client calls to change the signal mask.
+ * We use SIG_SUSPEND, defined in gc_priv.h.
  */
-# define SIG_SUSPEND (SIGRTMIN + 6)
 
 pthread_mutex_t GC_suspend_lock = PTHREAD_MUTEX_INITIALIZER;
 				/* Number of threads stopped so far	*/
@@ -141,8 +145,6 @@ GC_bool GC_thr_initialized = FALSE;
 
 size_t GC_min_stack_sz;
 
-size_t GC_page_sz;
-
 # define N_FREE_LISTS 25
 ptr_t GC_stack_free_lists[N_FREE_LISTS] = { 0 };
 		/* GC_stack_free_lists[i] is free list for stacks of 	*/
@@ -171,14 +173,14 @@ ptr_t GC_stack_alloc(size_t * stack_size)
     if (result != 0) {
         GC_stack_free_lists[index] = *(ptr_t *)result;
     } else {
-        result = (ptr_t) GC_scratch_alloc(search_sz + 2*GC_page_sz);
-        result = (ptr_t)(((word)result + GC_page_sz) & ~(GC_page_sz - 1));
+        result = (ptr_t) GC_scratch_alloc(search_sz + 2*GC_page_size);
+        result = (ptr_t)(((word)result + GC_page_size) & ~(GC_page_size - 1));
         /* Protect hottest page to detect overflow. */
 #	ifdef STACK_GROWS_UP
-          /* mprotect(result + search_sz, GC_page_sz, PROT_NONE); */
+          /* mprotect(result + search_sz, GC_page_size, PROT_NONE); */
 #	else
-          /* mprotect(result, GC_page_sz, PROT_NONE); */
-          result += GC_page_sz;
+          /* mprotect(result, GC_page_size, PROT_NONE); */
+          result += GC_page_size;
 #	endif
     }
     *stack_size = search_sz;
@@ -438,7 +440,6 @@ void GC_thr_init()
     if (GC_thr_initialized) return;
     GC_thr_initialized = TRUE;
     GC_min_stack_sz = HBLKSIZE;
-    GC_page_sz = sysconf(_SC_PAGESIZE);
     (void) sigaction(SIG_SUSPEND, 0, &act);
     if (act.sa_handler != SIG_DFL)
     	ABORT("Previously installed SIG_SUSPEND handler");
@@ -522,7 +523,7 @@ int GC_pthread_detach(pthread_t thread)
     LOCK();
     thread_gc_id = GC_lookup_thread(thread);
     UNLOCK();
-    result = REAL_FUNC(pthread_detach)(thread);
+    result = pthread_detach(thread);
     if (result == 0) {
       LOCK();
       thread_gc_id -> flags |= DETACHED;
@@ -602,7 +603,7 @@ GC_pthread_create(pthread_t *new_thread,
     si -> start_routine = start_routine;
     si -> arg = arg;
     LOCK();
-    if (!GC_thr_initialized) GC_thr_init();
+    if (!GC_is_initialized) GC_init();
     if (NULL == attr) {
         stack = 0;
 	(void) pthread_attr_init(&new_attr);
@@ -658,7 +659,7 @@ VOLATILE GC_bool GC_collecting = 0;
 #define SLEEP_THRESHOLD 3
 
 unsigned long GC_allocate_lock = 0;
-# define GC_TRY_LOCK() !GC_test_and_set(&GC_allocate_lock,1)
+# define GC_TRY_LOCK() !GC_test_and_set(&GC_allocate_lock)
 # define GC_LOCK_TAKEN GC_allocate_lock
 
 void GC_lock()
@@ -725,5 +726,5 @@ yield:
   int GC_no_Irix_threads;
 #endif
 
-# endif /* IRIX_THREADS */
+# endif /* GC_IRIX_THREADS */