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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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43
gc/solaris_threads.c
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@@ -16,7 +16,7 @@
*/
/* Boehm, September 14, 1994 4:44 pm PDT */
# if defined(GC_SOLARIS_THREADS)
# if defined(GC_SOLARIS_THREADS) || defined(GC_SOLARIS_PTHREADS)
# include "private/gc_priv.h"
# include "private/solaris_threads.h"
@@ -37,6 +37,10 @@
# include <unistd.h>
# include <errno.h>
#ifdef HANDLE_FORK
--> Not yet supported. Try porting the code from linux_threads.c.
#endif
/*
* This is the default size of the LWP arrays. If there are more LWPs
* than this when a stop-the-world GC happens, set_max_lwps will be
@@ -361,7 +365,7 @@ static void restart_all_lwps()
sizeof (prgregset_t)) != 0) {
int j;
for(j = 0; j < NGREG; j++)
for(j = 0; j < NPRGREG; j++)
{
GC_printf3("%i: %x -> %x\n", j,
GC_lwp_registers[i][j],
@@ -414,7 +418,6 @@ GC_bool GC_thr_initialized = FALSE;
size_t GC_min_stack_sz;
size_t GC_page_sz;
/*
* stack_head is stored at the top of free stacks
@@ -456,7 +459,7 @@ ptr_t GC_stack_alloc(size_t * stack_size)
GC_stack_free_lists[index] = GC_stack_free_lists[index]->next;
} else {
#ifdef MMAP_STACKS
base = (ptr_t)mmap(0, search_sz + GC_page_sz,
base = (ptr_t)mmap(0, search_sz + GC_page_size,
PROT_READ|PROT_WRITE, MAP_PRIVATE |MAP_NORESERVE,
GC_zfd, 0);
if (base == (ptr_t)-1)
@@ -465,27 +468,27 @@ ptr_t GC_stack_alloc(size_t * stack_size)
return NULL;
}
mprotect(base, GC_page_sz, PROT_NONE);
/* Should this use divHBLKSZ(search_sz + GC_page_sz) ? -- cf */
mprotect(base, GC_page_size, PROT_NONE);
/* Should this use divHBLKSZ(search_sz + GC_page_size) ? -- cf */
GC_is_fresh((struct hblk *)base, divHBLKSZ(search_sz));
base += GC_page_sz;
base += GC_page_size;
#else
base = (ptr_t) GC_scratch_alloc(search_sz + 2*GC_page_sz);
base = (ptr_t) GC_scratch_alloc(search_sz + 2*GC_page_size);
if (base == NULL)
{
*stack_size = 0;
return NULL;
}
base = (ptr_t)(((word)base + GC_page_sz) & ~(GC_page_sz - 1));
base = (ptr_t)(((word)base + GC_page_size) & ~(GC_page_size - 1));
/* Protect hottest page to detect overflow. */
# ifdef SOLARIS23_MPROTECT_BUG_FIXED
mprotect(base, GC_page_sz, PROT_NONE);
mprotect(base, GC_page_size, PROT_NONE);
# endif
GC_is_fresh((struct hblk *)base, divHBLKSZ(search_sz));
base += GC_page_sz;
base += GC_page_size;
#endif
}
*stack_size = search_sz;
@@ -665,8 +668,8 @@ void GC_my_stack_limits()
/* original thread */
/* Empirically, what should be the stack page with lowest */
/* address is actually inaccessible. */
stack_size = GC_get_orig_stack_size() - GC_page_sz;
stack = GC_stackbottom - stack_size + GC_page_sz;
stack_size = GC_get_orig_stack_size() - GC_page_size;
stack = GC_stackbottom - stack_size + GC_page_size;
} else {
stack = me -> stack;
}
@@ -704,7 +707,7 @@ void GC_push_all_stacks()
top = p -> stack + p -> stack_size;
} else {
/* The original stack. */
bottom = GC_stackbottom - GC_get_orig_stack_size() + GC_page_sz;
bottom = GC_stackbottom - GC_get_orig_stack_size() + GC_page_size;
top = GC_stackbottom;
}
if ((word)sp > (word)bottom && (word)sp < (word)top) bottom = sp;
@@ -789,7 +792,6 @@ void GC_thr_init(void)
GC_thr_initialized = TRUE;
GC_min_stack_sz = ((thr_min_stack() + 32*1024 + HBLKSIZE-1)
& ~(HBLKSIZE - 1));
GC_page_sz = sysconf(_SC_PAGESIZE);
#ifdef MMAP_STACKS
GC_zfd = open("/dev/zero", O_RDONLY);
if (GC_zfd == -1)
@@ -823,7 +825,7 @@ int GC_thr_suspend(thread_t target_thread)
if (result == 0) {
t = GC_lookup_thread(target_thread);
if (t == 0) ABORT("thread unknown to GC");
t -> flags |= SUSPENDED;
t -> flags |= SUSPNDED;
}
UNLOCK();
return(result);
@@ -839,7 +841,7 @@ int GC_thr_continue(thread_t target_thread)
if (result == 0) {
t = GC_lookup_thread(target_thread);
if (t == 0) ABORT("thread unknown to GC");
t -> flags &= ~SUSPENDED;
t -> flags &= ~SUSPNDED;
}
UNLOCK();
return(result);
@@ -911,10 +913,7 @@ GC_thr_create(void *stack_base, size_t stack_size,
void * stack = stack_base;
LOCK();
if (!GC_thr_initialized)
{
GC_thr_init();
}
if (!GC_is_initialized) GC_init_inner();
GC_multithreaded++;
if (stack == 0) {
if (stack_size == 0) stack_size = 1024*1024;
@@ -928,7 +927,7 @@ GC_thr_create(void *stack_base, size_t stack_size,
my_flags |= CLIENT_OWNS_STACK;
}
if (flags & THR_DETACHED) my_flags |= DETACHED;
if (flags & THR_SUSPENDED) my_flags |= SUSPENDED;
if (flags & THR_SUSPENDED) my_flags |= SUSPNDED;
result = thr_create(stack, stack_size, start_routine,
arg, flags & ~THR_DETACHED, &my_new_thread);
if (result == 0) {