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/* 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 */
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