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-rw-r--r--include/gc_pthread_redirects.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/include/gc_pthread_redirects.h b/include/gc_pthread_redirects.h
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+++ b/include/gc_pthread_redirects.h
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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_IRIX_THREADS) || defined(GC_LINUX_THREADS) \
+ || defined(GC_HPUX_THREADS) || defined(GC_OSF1_THREADS))
+/* 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);
+ int GC_pthread_sigmask(int how, const sigset_t *set, sigset_t *oset);
+ int GC_pthread_join(pthread_t thread, void **retval);
+ int GC_pthread_detach(pthread_t thread);
+
+# define pthread_create GC_pthread_create
+# define pthread_sigmask GC_pthread_sigmask
+# define pthread_join GC_pthread_join
+# define pthread_detach GC_pthread_detach
+# define dlopen GC_dlopen
+
+#endif /* GC_xxxxx_THREADS */
+
+#endif /* GC_PTHREAD_REDIRECTS_H */