diff options
Diffstat (limited to 'gcc-4.7/boehm-gc/include/gc_pthread_redirects.h')
| -rw-r--r-- | gcc-4.7/boehm-gc/include/gc_pthread_redirects.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/gcc-4.7/boehm-gc/include/gc_pthread_redirects.h b/gcc-4.7/boehm-gc/include/gc_pthread_redirects.h new file mode 100644 index 000000000..842518cfc --- /dev/null +++ b/gcc-4.7/boehm-gc/include/gc_pthread_redirects.h @@ -0,0 +1,82 @@ +/* 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 */ |