Viewing file:  gc_pthread_redirects.h (2.57 KB) -rw-r--r--
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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);
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 */
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