-/* Our pthread support normally needs to intercept a number of thread */
-/* calls. We arrange to do that here, if appropriate. */
+/*
+ * Copyright (c) 1994 by Xerox Corporation. All rights reserved.
+ * Copyright (c) 1996 by Silicon Graphics. All rights reserved.
+ * Copyright (c) 1998 by Fergus Henderson. All rights reserved.
+ * Copyright (c) 2000-2009 by Hewlett-Packard Development Company.
+ * All rights reserved.
+ *
+ * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
+ * OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
+ *
+ * Permission is hereby granted to use or copy this program
+ * for any purpose, provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ */
-#ifndef GC_PTHREAD_REDIRECTS_H
+/* Our pthread support normally needs to intercept a number of thread */
+/* calls. We arrange to do that here, if appropriate. */
-#define GC_PTHREAD_REDIRECTS_H
+/* Included from gc.h only. Included only if GC_PTHREADS. */
-#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. */
+/* 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 <pthread.h>
+
+#ifndef GC_DARWIN_THREADS
# include <signal.h>
+# include <dlfcn.h>
-# ifndef GC_DARWIN_THREADS
-# include <dlfcn.h>
+# ifndef GC_OPENBSD_THREADS
+ GC_API int GC_pthread_sigmask(int /* how */, const sigset_t *,
+ sigset_t * /* oset */);
# endif
-
- 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);
- void *GC_dlopen(const char *path, int mode);
+ GC_API void *GC_dlopen(const char * /* path */, int /* mode */);
#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. */
+
+GC_API int GC_pthread_create(pthread_t *, const pthread_attr_t *,
+ void *(*)(void *), void * /* arg */);
+GC_API int GC_pthread_join(pthread_t, void ** /* retval */);
+GC_API int GC_pthread_detach(pthread_t);
+
+#if !defined(GC_NO_THREAD_REDIRECTS) && !defined(GC_USE_LD_WRAP)
+ /* Unless the compiler supports #pragma extern_prefix, the Tru64 */
+ /* UNIX <pthread.h> redefines some POSIX thread functions to use */
+ /* mangled names. Anyway, it's safe to 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
-# ifdef dlopen
-# undef dlopen
+# ifndef GC_DARWIN_THREADS
+# ifndef GC_OPENBSD_THREADS
+# undef pthread_sigmask
+# define pthread_sigmask GC_pthread_sigmask
+# endif
+# undef dlopen
+# define dlopen GC_dlopen
# endif
-# define dlopen GC_dlopen
-#endif
-
-#endif /* GC_PTHREADS && !GC_USE_LD_WRAP */
-
-#endif /* GC_PTHREAD_REDIRECTS_H */
+#endif /* !GC_NO_THREAD_REDIRECTS */
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