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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [boehm-gc/] [include/] [gc_pthread_redirects.h] - Rev 733
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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_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 */
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