| 1 |
721 |
jeremybenn |
/* Our pthread support normally needs to intercept a number of thread */
|
| 2 |
|
|
/* calls. We arrange to do that here, if appropriate. */
|
| 3 |
|
|
|
| 4 |
|
|
#ifndef GC_PTHREAD_REDIRECTS_H
|
| 5 |
|
|
|
| 6 |
|
|
#define GC_PTHREAD_REDIRECTS_H
|
| 7 |
|
|
|
| 8 |
|
|
#if defined(GC_SOLARIS_THREADS)
|
| 9 |
|
|
/* We need to intercept calls to many of the threads primitives, so */
|
| 10 |
|
|
/* that we can locate thread stacks and stop the world. */
|
| 11 |
|
|
/* Note also that the collector cannot see thread specific data. */
|
| 12 |
|
|
/* Thread specific data should generally consist of pointers to */
|
| 13 |
|
|
/* uncollectable objects (allocated with GC_malloc_uncollectable, */
|
| 14 |
|
|
/* not the system malloc), which are deallocated using the destructor */
|
| 15 |
|
|
/* facility in thr_keycreate. Alternatively, keep a redundant pointer */
|
| 16 |
|
|
/* to thread specific data on the thread stack. */
|
| 17 |
|
|
# include <thread.h>
|
| 18 |
|
|
int GC_thr_create(void *stack_base, size_t stack_size,
|
| 19 |
|
|
void *(*start_routine)(void *), void *arg, long flags,
|
| 20 |
|
|
thread_t *new_thread);
|
| 21 |
|
|
int GC_thr_join(thread_t wait_for, thread_t *departed, void **status);
|
| 22 |
|
|
int GC_thr_suspend(thread_t target_thread);
|
| 23 |
|
|
int GC_thr_continue(thread_t target_thread);
|
| 24 |
|
|
void * GC_dlopen(const char *path, int mode);
|
| 25 |
|
|
# define thr_create GC_thr_create
|
| 26 |
|
|
# define thr_join GC_thr_join
|
| 27 |
|
|
# define thr_suspend GC_thr_suspend
|
| 28 |
|
|
# define thr_continue GC_thr_continue
|
| 29 |
|
|
#endif /* GC_SOLARIS_THREADS */
|
| 30 |
|
|
|
| 31 |
|
|
#if defined(GC_SOLARIS_PTHREADS)
|
| 32 |
|
|
# include <pthread.h>
|
| 33 |
|
|
# include <signal.h>
|
| 34 |
|
|
extern int GC_pthread_create(pthread_t *new_thread,
|
| 35 |
|
|
const pthread_attr_t *attr,
|
| 36 |
|
|
void * (*thread_execp)(void *), void *arg);
|
| 37 |
|
|
extern int GC_pthread_join(pthread_t wait_for, void **status);
|
| 38 |
|
|
# define pthread_join GC_pthread_join
|
| 39 |
|
|
# define pthread_create GC_pthread_create
|
| 40 |
|
|
#endif
|
| 41 |
|
|
|
| 42 |
|
|
#if defined(GC_SOLARIS_PTHREADS) || defined(GC_SOLARIS_THREADS)
|
| 43 |
|
|
# define dlopen GC_dlopen
|
| 44 |
|
|
#endif /* SOLARIS_THREADS || SOLARIS_PTHREADS */
|
| 45 |
|
|
|
| 46 |
|
|
|
| 47 |
|
|
#if !defined(GC_USE_LD_WRAP) && defined(GC_PTHREADS) && !defined(GC_SOLARIS_PTHREADS)
|
| 48 |
|
|
/* We treat these similarly. */
|
| 49 |
|
|
# include <pthread.h>
|
| 50 |
|
|
# include <signal.h>
|
| 51 |
|
|
|
| 52 |
|
|
int GC_pthread_create(pthread_t *new_thread,
|
| 53 |
|
|
const pthread_attr_t *attr,
|
| 54 |
|
|
void *(*start_routine)(void *), void *arg);
|
| 55 |
|
|
#ifndef GC_DARWIN_THREADS
|
| 56 |
|
|
int GC_pthread_sigmask(int how, const sigset_t *set, sigset_t *oset);
|
| 57 |
|
|
#endif
|
| 58 |
|
|
int GC_pthread_join(pthread_t thread, void **retval);
|
| 59 |
|
|
int GC_pthread_detach(pthread_t thread);
|
| 60 |
|
|
|
| 61 |
|
|
#if defined(GC_OSF1_THREADS) \
|
| 62 |
|
|
&& defined(_PTHREAD_USE_MANGLED_NAMES_) && !defined(_PTHREAD_USE_PTDNAM_)
|
| 63 |
|
|
/* Unless the compiler supports #pragma extern_prefix, the Tru64 UNIX
|
| 64 |
|
|
<pthread.h> redefines some POSIX thread functions to use mangled names.
|
| 65 |
|
|
If so, undef them before redefining. */
|
| 66 |
|
|
# undef pthread_create
|
| 67 |
|
|
# undef pthread_join
|
| 68 |
|
|
# undef pthread_detach
|
| 69 |
|
|
#endif
|
| 70 |
|
|
|
| 71 |
|
|
# define pthread_create GC_pthread_create
|
| 72 |
|
|
# define pthread_join GC_pthread_join
|
| 73 |
|
|
# define pthread_detach GC_pthread_detach
|
| 74 |
|
|
|
| 75 |
|
|
#ifndef GC_DARWIN_THREADS
|
| 76 |
|
|
# define pthread_sigmask GC_pthread_sigmask
|
| 77 |
|
|
# define dlopen GC_dlopen
|
| 78 |
|
|
#endif
|
| 79 |
|
|
|
| 80 |
|
|
#endif /* GC_xxxxx_THREADS */
|
| 81 |
|
|
|
| 82 |
|
|
#endif /* GC_PTHREAD_REDIRECTS_H */
|
