[Emacs-diffs] Changes to emacs/gc/include/gc_pthread_redirects.h [Boehm-versions]

[Dave Love]

Index: emacs/gc/include/gc_pthread_redirects.h
diff -c /dev/null emacs/gc/include/gc_pthread_redirects.h:1.2.2.1.2.1
*** /dev/null   Mon Jun 16 11:19:59 2003
--- emacs/gc/include/gc_pthread_redirects.h     Mon Jun 16 11:19:53 2003
***************
*** 0 ****
--- 1,73 ----
+ /* 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);
+ 
+ # define pthread_create GC_pthread_create
+ #ifndef GC_DARWIN_THREADS
+ # define pthread_sigmask GC_pthread_sigmask
+ #endif
+ # define pthread_join GC_pthread_join
+ # define pthread_detach GC_pthread_detach
+ #ifndef GC_DARWIN_THREADS
+ # define dlopen GC_dlopen
+ #endif
+ 
+ #endif /* GC_xxxxx_THREADS */
+ 
+ #endif /* GC_PTHREAD_REDIRECTS_H */