83 lines
3.0 KiB
C
83 lines
3.0 KiB
C
/* 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_SOLARIS_THREADS)
|
|
/* 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 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 <thread.h>
|
|
int GC_thr_create(void *stack_base, size_t stack_size,
|
|
void *(*start_routine)(void *), void *arg, long flags,
|
|
thread_t *new_thread);
|
|
int GC_thr_join(thread_t wait_for, thread_t *departed, void **status);
|
|
int GC_thr_suspend(thread_t target_thread);
|
|
int GC_thr_continue(thread_t target_thread);
|
|
void * GC_dlopen(const char *path, int mode);
|
|
# define thr_create GC_thr_create
|
|
# define thr_join GC_thr_join
|
|
# define thr_suspend GC_thr_suspend
|
|
# define thr_continue GC_thr_continue
|
|
#endif /* GC_SOLARIS_THREADS */
|
|
|
|
#if defined(GC_SOLARIS_PTHREADS)
|
|
# include <pthread.h>
|
|
# include <signal.h>
|
|
extern int GC_pthread_create(pthread_t *new_thread,
|
|
const pthread_attr_t *attr,
|
|
void * (*thread_execp)(void *), void *arg);
|
|
extern int GC_pthread_join(pthread_t wait_for, void **status);
|
|
# define pthread_join GC_pthread_join
|
|
# define pthread_create GC_pthread_create
|
|
#endif
|
|
|
|
#if defined(GC_SOLARIS_PTHREADS) || defined(GC_SOLARIS_THREADS)
|
|
# define dlopen GC_dlopen
|
|
#endif /* SOLARIS_THREADS || SOLARIS_PTHREADS */
|
|
|
|
|
|
#if !defined(GC_USE_LD_WRAP) && defined(GC_PTHREADS) && !defined(GC_SOLARIS_PTHREADS)
|
|
/* We treat these similarly. */
|
|
# 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
|
|
# define pthread_sigmask GC_pthread_sigmask
|
|
# define dlopen GC_dlopen
|
|
#endif
|
|
|
|
#endif /* GC_xxxxx_THREADS */
|
|
|
|
#endif /* GC_PTHREAD_REDIRECTS_H */
|