Imported GC 6.1 Alpha 3. Finally.

[pf3gnuchains/gcc-fork.git] / boehm-gc / include / gc.h

diff --git a/boehm-gc/include/gc.h b/boehm-gc/include/gc.h
index 9e5447b..69075b0 100644 (file)
--- a/boehm-gc/include/gc.h
+++ b/boehm-gc/include/gc.h
@@ -305,6 +305,20 @@ GC_API int GC_dont_precollect;  /* Don't collect as part of                */
  */
 GC_API void GC_init GC_PROTO((void));
 
+GC_API unsigned long GC_time_limit;
+                               /* If incremental collection is enabled, */
+                               /* We try to terminate collections       */
+                               /* after this many milliseconds.  Not a  */
+                               /* hard time bound.  Setting this to     */
+                               /* GC_TIME_UNLIMITED will essentially    */
+                               /* disable incremental collection while  */
+                               /* leaving generational collection       */
+                               /* enabled.                              */
+#      define GC_TIME_UNLIMITED 999999
+                               /* Setting GC_time_limit to this value   */
+                               /* will disable the "pause time exceeded */
+                               /* tests.                                */
+
 /*
  * general purpose allocation routines, with roughly malloc calling conv.
  * The atomic versions promise that no relevant pointers are contained
@@ -463,6 +477,16 @@ GC_API size_t GC_get_total_bytes GC_PROTO((void));
 /* functional if GC_parallel is TRUE.          */
 GC_API void GC_enable_incremental GC_PROTO((void));
 
+/* Does incremental mode write-protect pages?  Returns zero or */
+/* more of the following, or'ed together:                      */
+#define GC_PROTECTS_POINTER_HEAP  1 /* May protect non-atomic objs.    */
+#define GC_PROTECTS_PTRFREE_HEAP  2
+#define GC_PROTECTS_STATIC_DATA   4 /* Curently never.                 */
+#define GC_PROTECTS_STACK        8 /* Probably impractical.            */
+
+#define GC_PROTECTS_NONE 0
+GC_API int GC_incremental_protection_needs GC_PROTO((void));
+
 /* Perform some garbage collection work, if appropriate.       */
 /* Return 0 if there is no more work to be done.               */
 /* Typically performs an amount of work corresponding roughly  */