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import gc6.1alpha5

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This commit is contained in:
Fumitoshi UKAI
2002-07-10 14:21:11 +00:00
parent adfa59bd5f
commit bb118b7356
72 changed files with 18916 additions and 8113 deletions
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23
gc/irix_threads.c
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@@ -41,6 +41,10 @@
#undef pthread_join
#undef pthread_detach
#ifdef HANDLE_FORK
--> Not yet supported. Try porting the code from linux_threads.c.
#endif
void GC_thr_init();
#if 0
@@ -141,8 +145,6 @@ GC_bool GC_thr_initialized = FALSE;
size_t GC_min_stack_sz;
size_t GC_page_sz;
# define N_FREE_LISTS 25
ptr_t GC_stack_free_lists[N_FREE_LISTS] = { 0 };
/* GC_stack_free_lists[i] is free list for stacks of */
@@ -171,14 +173,14 @@ ptr_t GC_stack_alloc(size_t * stack_size)
if (result != 0) {
GC_stack_free_lists[index] = *(ptr_t *)result;
} else {
result = (ptr_t) GC_scratch_alloc(search_sz + 2*GC_page_sz);
result = (ptr_t)(((word)result + GC_page_sz) & ~(GC_page_sz - 1));
result = (ptr_t) GC_scratch_alloc(search_sz + 2*GC_page_size);
result = (ptr_t)(((word)result + GC_page_size) & ~(GC_page_size - 1));
/* Protect hottest page to detect overflow. */
# ifdef STACK_GROWS_UP
/* mprotect(result + search_sz, GC_page_sz, PROT_NONE); */
/* mprotect(result + search_sz, GC_page_size, PROT_NONE); */
# else
/* mprotect(result, GC_page_sz, PROT_NONE); */
result += GC_page_sz;
/* mprotect(result, GC_page_size, PROT_NONE); */
result += GC_page_size;
# endif
}
*stack_size = search_sz;
@@ -438,7 +440,6 @@ void GC_thr_init()
if (GC_thr_initialized) return;
GC_thr_initialized = TRUE;
GC_min_stack_sz = HBLKSIZE;
GC_page_sz = sysconf(_SC_PAGESIZE);
(void) sigaction(SIG_SUSPEND, 0, &act);
if (act.sa_handler != SIG_DFL)
ABORT("Previously installed SIG_SUSPEND handler");
@@ -522,7 +523,7 @@ int GC_pthread_detach(pthread_t thread)
LOCK();
thread_gc_id = GC_lookup_thread(thread);
UNLOCK();
result = REAL_FUNC(pthread_detach)(thread);
result = pthread_detach(thread);
if (result == 0) {
LOCK();
thread_gc_id -> flags |= DETACHED;
@@ -602,7 +603,7 @@ GC_pthread_create(pthread_t *new_thread,
si -> start_routine = start_routine;
si -> arg = arg;
LOCK();
if (!GC_thr_initialized) GC_thr_init();
if (!GC_is_initialized) GC_init();
if (NULL == attr) {
stack = 0;
(void) pthread_attr_init(&new_attr);
@@ -658,7 +659,7 @@ VOLATILE GC_bool GC_collecting = 0;
#define SLEEP_THRESHOLD 3
unsigned long GC_allocate_lock = 0;
# define GC_TRY_LOCK() !GC_test_and_set(&GC_allocate_lock,1)
# define GC_TRY_LOCK() !GC_test_and_set(&GC_allocate_lock)
# define GC_LOCK_TAKEN GC_allocate_lock
void GC_lock()