diff options
Diffstat (limited to 'gcc-4.2.1/boehm-gc/include/private/pthread_support.h')
| -rw-r--r-- | gcc-4.2.1/boehm-gc/include/private/pthread_support.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/gcc-4.2.1/boehm-gc/include/private/pthread_support.h b/gcc-4.2.1/boehm-gc/include/private/pthread_support.h deleted file mode 100644 index 2186c0790..000000000 --- a/gcc-4.2.1/boehm-gc/include/private/pthread_support.h +++ /dev/null @@ -1,103 +0,0 @@ -#ifndef GC_PTHREAD_SUPPORT_H -#define GC_PTHREAD_SUPPORT_H - -# include "private/gc_priv.h" - -# if defined(GC_PTHREADS) && !defined(GC_SOLARIS_THREADS) \ - && !defined(GC_WIN32_THREADS) - -#if defined(GC_DARWIN_THREADS) -# include "private/darwin_stop_world.h" -#else -# include "private/pthread_stop_world.h" -#endif - -/* We use the allocation lock to protect thread-related data structures. */ - -/* The set of all known threads. We intercept thread creation and */ -/* joins. */ -/* Protected by allocation/GC lock. */ -/* Some of this should be declared volatile, but that's inconsistent */ -/* with some library routine declarations. */ -typedef struct GC_Thread_Rep { - struct GC_Thread_Rep * next; /* More recently allocated threads */ - /* with a given pthread id come */ - /* first. (All but the first are */ - /* guaranteed to be dead, but we may */ - /* not yet have registered the join.) */ - pthread_t id; - /* Extra bookkeeping information the stopping code uses */ - struct thread_stop_info stop_info; - - short flags; -# define FINISHED 1 /* Thread has exited. */ -# define DETACHED 2 /* Thread is intended to be detached. */ -# define MAIN_THREAD 4 /* True for the original thread only. */ -# define SUSPENDED 8 /* True if thread was suspended externally */ - short thread_blocked; /* Protected by GC lock. */ - /* Treated as a boolean value. If set, */ - /* thread will acquire GC lock before */ - /* doing any pointer manipulations, and */ - /* has set its sp value. Thus it does */ - /* not need to be sent a signal to stop */ - /* it. */ - ptr_t stack_end; /* Cold end of the stack. */ -# ifdef IA64 - ptr_t backing_store_end; - ptr_t backing_store_ptr; -# endif - void * status; /* The value returned from the thread. */ - /* Used only to avoid premature */ - /* reclamation of any data it might */ - /* reference. */ -# ifdef THREAD_LOCAL_ALLOC -# if CPP_WORDSZ == 64 && defined(ALIGN_DOUBLE) -# define GRANULARITY 16 -# define NFREELISTS 49 -# else -# define GRANULARITY 8 -# define NFREELISTS 65 -# endif - /* The ith free list corresponds to size i*GRANULARITY */ -# define INDEX_FROM_BYTES(n) ((ADD_SLOP(n) + GRANULARITY - 1)/GRANULARITY) -# define BYTES_FROM_INDEX(i) ((i) * GRANULARITY - EXTRA_BYTES) -# define SMALL_ENOUGH(bytes) (ADD_SLOP(bytes) <= \ - (NFREELISTS-1)*GRANULARITY) - ptr_t ptrfree_freelists[NFREELISTS]; - ptr_t normal_freelists[NFREELISTS]; -# ifdef GC_GCJ_SUPPORT - ptr_t gcj_freelists[NFREELISTS]; -# endif - /* Free lists contain either a pointer or a small count */ - /* reflecting the number of granules allocated at that */ - /* size. */ - /* 0 ==> thread-local allocation in use, free list */ - /* empty. */ - /* > 0, <= DIRECT_GRANULES ==> Using global allocation, */ - /* too few objects of this size have been */ - /* allocated by this thread. */ - /* >= HBLKSIZE => pointer to nonempty free list. */ - /* > DIRECT_GRANULES, < HBLKSIZE ==> transition to */ - /* local alloc, equivalent to 0. */ -# define DIRECT_GRANULES (HBLKSIZE/GRANULARITY) - /* Don't use local free lists for up to this much */ - /* allocation. */ -# endif -} * GC_thread; - -# define THREAD_TABLE_SZ 128 /* Must be power of 2 */ -extern volatile GC_thread GC_threads[THREAD_TABLE_SZ]; - -extern GC_bool GC_thr_initialized; - -GC_thread GC_lookup_thread(pthread_t id); - -void GC_stop_init(); - -extern GC_bool GC_in_thread_creation; - /* We may currently be in thread creation or destruction. */ - /* Only set to TRUE while allocation lock is held. */ - /* When set, it is OK to run GC from unknown thread. */ - -#endif /* GC_PTHREADS && !GC_SOLARIS_THREADS.... etc */ -#endif /* GC_PTHREAD_SUPPORT_H */ |