1 files changed, 54 insertions, 0 deletions
diff --git a/jam-files/engine/boehm_gc/include/gc_pthread_redirects.h b/jam-files/engine/boehm_gc/include/gc_pthread_redirects.h
new file mode 100644
index 000000000..b567f63e1
--- /dev/null
+++ b/jam-files/engine/boehm_gc/include/gc_pthread_redirects.h
@@ -0,0 +1,54 @@
+/* Our pthread support normally needs to intercept a number of thread	*/
+/* calls.  We arrange to do that here, if appropriate.			*/
+
+#ifndef GC_PTHREAD_REDIRECTS_H
+
+#define GC_PTHREAD_REDIRECTS_H
+
+#if !defined(GC_USE_LD_WRAP) && defined(GC_PTHREADS)
+/* We need to intercept calls to many of the threads primitives, so   	 */
+/* that we can locate thread stacks and stop the world.                  */
+/* Note also that the collector cannot always see thread specific data.  */
+/* Thread specific data should generally consist of pointers to          */
+/* uncollectable objects (allocated with GC_malloc_uncollectable,        */
+/* not the system malloc), which are deallocated using the destructor    */
+/* facility in thr_keycreate.  Alternatively, keep a redundant pointer   */
+/* to thread specific data on the thread stack. 			 */
+
+# include <pthread.h>
+# include <signal.h>
+
+  int GC_pthread_create(pthread_t *new_thread,
+                        const pthread_attr_t *attr,
+		        void *(*start_routine)(void *), void *arg);
+#ifndef GC_DARWIN_THREADS
+  int GC_pthread_sigmask(int how, const sigset_t *set, sigset_t *oset);
+#endif
+  int GC_pthread_join(pthread_t thread, void **retval);
+  int GC_pthread_detach(pthread_t thread);
+
+#if defined(GC_OSF1_THREADS) \
+    && defined(_PTHREAD_USE_MANGLED_NAMES_) && !defined(_PTHREAD_USE_PTDNAM_)
+/* Unless the compiler supports #pragma extern_prefix, the Tru64 UNIX
+   <pthread.h> redefines some POSIX thread functions to use mangled names.
+   If so, undef them before redefining. */
+# undef pthread_create
+# undef pthread_join
+# undef pthread_detach
+#endif
+
+# define pthread_create GC_pthread_create
+# define pthread_join GC_pthread_join
+# define pthread_detach GC_pthread_detach
+
+#ifndef GC_DARWIN_THREADS
+# ifdef pthread_sigmask
+#  undef pthread_sigmask
+# endif	 /* pthread_sigmask */
+# define pthread_sigmask GC_pthread_sigmask
+# define dlopen GC_dlopen
+#endif
+
+#endif /* GC_xxxxx_THREADS */
+
+#endif /* GC_PTHREAD_REDIRECTS_H */