*/
/* the number of actual generations. (The number of 'struct
- * generation' objects is one more than this, because one serves as
- * scratch when GC'ing.) */
+ * generation' objects is one more than this, because one object
+ * serves as scratch when GC'ing.) */
#define NUM_GENERATIONS 6
/* Should we use page protection to help avoid the scavenging of pages
static void *heap_base = NULL;
/* Calculate the start address for the given page number. */
-inline void
-*page_address(int page_num)
+inline void *
+page_address(int page_num)
{
return (heap_base + (page_num * 4096));
}
/* a structure to hold the state of a generation */
struct generation {
- /* the first page that gc_alloc checks on its next call */
+ /* the first page that gc_alloc() checks on its next call */
int alloc_start_page;
- /* the first page that gc_alloc_unboxed checks on its next call */
+ /* the first page that gc_alloc_unboxed() checks on its next call */
int alloc_unboxed_start_page;
/* the first page that gc_alloc_large (boxed) considers on its next
{
int i;
int count = 0;
-
- for (i = 0; i < last_free_page; i++)
- if ((page_table[i].allocated != 0)
- && (page_table[i].dont_move != 0))
- count++;
+ for (i = 0; i < last_free_page; i++) {
+ if ((page_table[i].allocated != 0) && (page_table[i].dont_move != 0)) {
+ ++count;
+ }
+ }
return count;
}
/* Work through the pages and add up the number of bytes used for the
* given generation. */
static int
-generation_bytes_allocated (int gen)
+count_generation_bytes_allocated (int gen)
{
int i;
int result = 0;
-
for (i = 0; i < last_free_page; i++) {
if ((page_table[i].allocated != 0) && (page_table[i].gen == gen))
result += page_table[i].bytes_used;
}
gc_assert(generations[i].bytes_allocated
- == generation_bytes_allocated(i));
+ == count_generation_bytes_allocated(i));
fprintf(stderr,
" %8d: %5d %5d %5d %5d %8d %5d %8d %4d %3d %7.4f\n",
i,
* keeps the allocation contiguous when scavenging the newspace.
*
* The alloc_region should have been closed by a call to
- * gc_alloc_update_page_tables, and will thus be in an empty state.
+ * gc_alloc_update_page_tables(), and will thus be in an empty state.
*
* To assist the scavenging functions write-protected pages are not
* used. Free pages should not be write-protected.
first_page = restart_page;
/* First search for a page with at least 32 bytes free, which is
- * not write-protected, and which is not marked dont_move. */
+ * not write-protected, and which is not marked dont_move.
+ *
+ * FIXME: This looks extremely similar, perhaps identical, to
+ * code in gc_alloc_large(). It should be shared somehow. */
while ((first_page < NUM_PAGES)
&& (page_table[first_page].allocated != FREE_PAGE) /* not free page */
&& ((unboxed &&
/* Check for a failure. */
if ((restart_page >= NUM_PAGES) && (bytes_found < nbytes)) {
fprintf(stderr,
- "Argh! gc_alloc_new_region failed on restart_page, nbytes=%d.\n",
+ "Argh! gc_alloc_new_region() failed on restart_page, nbytes=%d.\n",
nbytes);
print_generation_stats(1);
lose(NULL);
/*
FSHOW((stderr,
- "/gc_alloc_new_region gen %d: %d bytes: pages %d to %d: addr=%x\n",
+ "/gc_alloc_new_region() gen %d: %d bytes: pages %d to %d: addr=%x\n",
gc_alloc_generation,
bytes_found,
first_page,
/*
FSHOW((stderr,
- "/gc_alloc_update_page_tables to gen %d:\n",
+ "/gc_alloc_update_page_tables() to gen %d:\n",
gc_alloc_generation));
*/
static inline void *gc_quick_alloc(int nbytes);
/* Allocate a possibly large object. */
-static void
-*gc_alloc_large(int nbytes, int unboxed, struct alloc_region *alloc_region)
+static void *
+gc_alloc_large(int nbytes, int unboxed, struct alloc_region *alloc_region)
{
int first_page;
int last_page;
/*
FSHOW((stderr,
- "/gc_alloc_large for %d bytes from gen %d\n",
+ "/gc_alloc_large() for %d bytes from gen %d\n",
nbytes, gc_alloc_generation));
*/
the current boxed free region. XX could probably keep a page
index ahead of the current region and bumped up here to save a
lot of re-scanning. */
- if (unboxed)
- restart_page = generations[gc_alloc_generation].alloc_large_unboxed_start_page;
- else
+ if (unboxed) {
+ restart_page =
+ generations[gc_alloc_generation].alloc_large_unboxed_start_page;
+ } else {
restart_page = generations[gc_alloc_generation].alloc_large_start_page;
- if (restart_page <= alloc_region->last_page)
+ }
+ if (restart_page <= alloc_region->last_page) {
restart_page = alloc_region->last_page+1;
+ }
do {
first_page = restart_page;
&& (page_table[first_page].allocated != FREE_PAGE))
first_page++;
else
+ /* FIXME: This looks extremely similar, perhaps identical,
+ * to code in gc_alloc_new_region(). It should be shared
+ * somehow. */
while ((first_page < NUM_PAGES)
&& (page_table[first_page].allocated != FREE_PAGE)
&& ((unboxed &&
/*
if (large)
FSHOW((stderr,
- "/gc_alloc_large gen %d: %d of %d bytes: from pages %d to %d: addr=%x\n",
+ "/gc_alloc_large() gen %d: %d of %d bytes: from pages %d to %d: addr=%x\n",
gc_alloc_generation,
nbytes,
bytes_found,
return((void *)(page_address(first_page)+orig_first_page_bytes_used));
}
-/* Allocate bytes from the boxed_region. It first checks if there is
- * room, if not then it calls gc_alloc_new_region to find a new region
- * with enough space. A pointer to the start of the region is returned. */
-static void
-*gc_alloc(int nbytes)
+/* Allocate bytes from the boxed_region. First checks whether there is
+ * room. If not then call gc_alloc_new_region() to find a new region
+ * with enough space. Return a pointer to the start of the region. */
+static void *
+gc_alloc(int nbytes)
{
void *new_free_pointer;
/* Allocate space from the boxed_region. If there is not enough free
* space then call gc_alloc to do the job. A pointer to the start of
* the region is returned. */
-static inline void
-*gc_quick_alloc(int nbytes)
+static inline void *
+gc_quick_alloc(int nbytes)
{
void *new_free_pointer;
new_free_pointer = boxed_region.free_pointer + nbytes;
if (new_free_pointer <= boxed_region.end_addr) {
- /* If so then allocate from the current region. */
+ /* Allocate from the current region. */
void *new_obj = boxed_region.free_pointer;
boxed_region.free_pointer = new_free_pointer;
return((void *)new_obj);
+ } else {
+ /* Let full gc_alloc() handle it. */
+ return gc_alloc(nbytes);
}
-
- /* Else call gc_alloc */
- return (gc_alloc(nbytes));
}
/* Allocate space for the boxed object. If it is a large object then
* do a large alloc else allocate from the current region. If there is
- * not enough free space then call gc_alloc to do the job. A pointer
+ * not enough free space then call gc_alloc() to do the job. A pointer
* to the start of the region is returned. */
-static inline void
-*gc_quick_alloc_large(int nbytes)
+static inline void *
+gc_quick_alloc_large(int nbytes)
{
void *new_free_pointer;
void *new_obj = boxed_region.free_pointer;
boxed_region.free_pointer = new_free_pointer;
return((void *)new_obj);
+ } else {
+ /* Let full gc_alloc() handle it. */
+ return gc_alloc(nbytes);
}
-
- /* Else call gc_alloc */
- return (gc_alloc(nbytes));
}
-static void
-*gc_alloc_unboxed(int nbytes)
+static void *
+gc_alloc_unboxed(int nbytes)
{
void *new_free_pointer;
/*
- FSHOW((stderr, "/gc_alloc_unboxed %d\n", nbytes));
+ FSHOW((stderr, "/gc_alloc_unboxed() %d\n", nbytes));
*/
/* Check whether there is room in the current region. */
/* Set up a new region. */
gc_alloc_new_region(nbytes, 1, &unboxed_region);
- /* Should now be enough room. */
+ /* (There should now be enough room.) */
/* Check whether there is room in the current region. */
new_free_pointer = unboxed_region.free_pointer + nbytes;
return((void *) NIL); /* dummy value: return something ... */
}
-static inline void
-*gc_quick_alloc_unboxed(int nbytes)
+static inline void *
+gc_quick_alloc_unboxed(int nbytes)
{
void *new_free_pointer;
unboxed_region.free_pointer = new_free_pointer;
return((void *)new_obj);
+ } else {
+ /* Let general gc_alloc_unboxed() handle it. */
+ return gc_alloc_unboxed(nbytes);
}
-
- /* Else call gc_alloc */
- return (gc_alloc_unboxed(nbytes));
}
/* Allocate space for the object. If it is a large object then do a
* large alloc else allocate from the current region. If there is not
- * enough free space then call gc_alloc to do the job.
+ * enough free space then call general gc_alloc_unboxed() to do the job.
*
* A pointer to the start of the region is returned. */
-static inline void
-*gc_quick_alloc_large_unboxed(int nbytes)
+static inline void *
+gc_quick_alloc_large_unboxed(int nbytes)
{
void *new_free_pointer;
/* Check whether there is room in the current region. */
new_free_pointer = unboxed_region.free_pointer + nbytes;
-
if (new_free_pointer <= unboxed_region.end_addr) {
- /* If so then allocate from the current region. */
+ /* Allocate from the current region. */
void *new_obj = unboxed_region.free_pointer;
unboxed_region.free_pointer = new_free_pointer;
-
return((void *)new_obj);
+ } else {
+ /* Let full gc_alloc() handle it. */
+ return gc_alloc_unboxed(nbytes);
}
-
- /* Else call gc_alloc. */
- return (gc_alloc_unboxed(nbytes));
}
\f
/*
return 1;
}
-/* Adjust large bignum and vector objects. This will adjust the allocated
- * region if the size has shrunk, and move unboxed objects into unboxed
- * pages. The pages are not promoted here, and the promoted region is not
- * added to the new_regions; this is really only designed to be called from
- * preserve_pointer(). Shouldn't fail if this is missed, just may delay the
- * moving of objects to unboxed pages, and the freeing of pages. */
+/* Adjust large bignum and vector objects. This will adjust the
+ * allocated region if the size has shrunk, and move unboxed objects
+ * into unboxed pages. The pages are not promoted here, and the
+ * promoted region is not added to the new_regions; this is really
+ * only designed to be called from preserve_pointer(). Shouldn't fail
+ * if this is missed, just may delay the moving of objects to unboxed
+ * pages, and the freeing of pages. */
static void
maybe_adjust_large_object(lispobj *where)
{
next_page++;
}
- if ((bytes_freed > 0) && gencgc_verbose)
- FSHOW((stderr, "/adjust_large_object freed %d\n", bytes_freed));
+ if ((bytes_freed > 0) && gencgc_verbose) {
+ FSHOW((stderr,
+ "/maybe_adjust_large_object() freed %d\n",
+ bytes_freed));
+ }
generations[from_space].bytes_allocated -= bytes_freed;
bytes_allocated -= bytes_freed;
*
* This involves locating the page it points to, then backing up to
* the first page that has its first object start at offset 0, and
- * then marking all pages dont_move from the first until a page that ends
- * by being full, or having free gen.
+ * then marking all pages dont_move from the first until a page that
+ * ends by being full, or having free gen.
*
* This ensures that objects spanning pages are not broken.
*
* It is assumed that all the page static flags have been cleared at
* the start of a GC.
*
- * It is also assumed that the current gc_alloc region has been flushed and
- * the tables updated. */
+ * It is also assumed that the current gc_alloc() region has been
+ * flushed and the tables updated. */
static void
preserve_pointer(void *addr)
{
gc_assert(page_table[first_page].allocated == region_allocation);
}
- /* Adjust any large objects before promotion as they won't be copied
- * after promotion. */
+ /* Adjust any large objects before promotion as they won't be
+ * copied after promotion. */
if (page_table[first_page].large_object) {
maybe_adjust_large_object(page_address(first_page));
- /* If a large object has shrunk then addr may now point to a free
- * area in which case it's ignored here. Note it gets through the
- * valid pointer test above because the tail looks like conses. */
+ /* If a large object has shrunk then addr may now point to a
+ * free area in which case it's ignored here. Note it gets
+ * through the valid pointer test above because the tail looks
+ * like conses. */
if ((page_table[addr_page_index].allocated == FREE_PAGE)
|| (page_table[addr_page_index].bytes_used == 0)
/* Check the offset within the page. */
/* Mark the page static. */
page_table[i].dont_move = 1;
- /* Move the page to the new_space. XX I'd rather not do this but
- * the GC logic is not quite able to copy with the static pages
- * remaining in the from space. This also requires the generation
- * bytes_allocated counters be updated. */
+ /* Move the page to the new_space. XX I'd rather not do this
+ * but the GC logic is not quite able to copy with the static
+ * pages remaining in the from space. This also requires the
+ * generation bytes_allocated counters be updated. */
page_table[i].gen = new_space;
generations[new_space].bytes_allocated += page_table[i].bytes_used;
generations[from_space].bytes_allocated -= page_table[i].bytes_used;
- /* It is essential that the pages are not write protected as they
- * may have pointers into the old-space which need scavenging. They
- * shouldn't be write protected at this stage. */
+ /* It is essential that the pages are not write protected as
+ * they may have pointers into the old-space which need
+ * scavenging. They shouldn't be write protected at this
+ * stage. */
gc_assert(!page_table[i].write_protected);
/* Check whether this is the last page in this contiguous block.. */
/* Check that the page is now static. */
gc_assert(page_table[addr_page_index].dont_move != 0);
-
- return;
}
-
-#ifdef CONTROL_STACKS
-/* Scavenge the thread stack conservative roots. */
-static void
-scavenge_thread_stacks(void)
-{
- lispobj thread_stacks = SymbolValue(CONTROL_STACKS);
- int type = TypeOf(thread_stacks);
-
- if (LowtagOf(thread_stacks) == type_OtherPointer) {
- struct vector *vector = (struct vector *) PTR(thread_stacks);
- int length, i;
- if (TypeOf(vector->header) != type_SimpleVector)
- return;
- length = fixnum_value(vector->length);
- for (i = 0; i < length; i++) {
- lispobj stack_obj = vector->data[i];
- if (LowtagOf(stack_obj) == type_OtherPointer) {
- struct vector *stack = (struct vector *) PTR(stack_obj);
- int vector_length;
- if (TypeOf(stack->header) !=
- type_SimpleArrayUnsignedByte32) {
- return;
- }
- vector_length = fixnum_value(stack->length);
- if ((gencgc_verbose > 1) && (vector_length <= 0))
- FSHOW((stderr,
- "/weird? control stack vector length %d\n",
- vector_length));
- if (vector_length > 0) {
- lispobj *stack_pointer = (lispobj*)stack->data[0];
- if ((stack_pointer < (lispobj *)CONTROL_STACK_START) ||
- (stack_pointer > (lispobj *)CONTROL_STACK_END))
- lose("invalid stack pointer %x",
- (unsigned)stack_pointer);
- if ((stack_pointer > (lispobj *)CONTROL_STACK_START) &&
- (stack_pointer < (lispobj *)CONTROL_STACK_END)) {
- /* FIXME: Ick!
- * (1) hardwired word length = 4; and as usual,
- * when fixing this, check for other places
- * with the same problem
- * (2) calling it 'length' suggests bytes;
- * perhaps 'size' instead? */
- unsigned int length = ((unsigned)CONTROL_STACK_END -
- (unsigned)stack_pointer) / 4;
- int j;
- if (length >= vector_length) {
- lose("invalid stack size %d >= vector length %d",
- length,
- vector_length);
- }
- if (gencgc_verbose > 1) {
- FSHOW((stderr,
- "scavenging %d words of control stack %d of length %d words.\n",
- length, i, vector_length));
- }
- for (j = 0; j < length; j++) {
- preserve_pointer((void *)stack->data[1+j]);
- }
- }
- }
- }
- }
- }
-}
-#endif
-
\f
/* If the given page is not write-protected, then scan it for pointers
* to younger generations or the top temp. generation, if no
* suspicious pointers are found then the page is write-protected.
*
- * Care is taken to check for pointers to the current gc_alloc region
- * if it is a younger generation or the temp. generation. This frees
- * the caller from doing a gc_alloc_update_page_tables. Actually the
- * gc_alloc_generation does not need to be checked as this is only
- * called from scavenge_generation when the gc_alloc generation is
+ * Care is taken to check for pointers to the current gc_alloc()
+ * region if it is a younger generation or the temp. generation. This
+ * frees the caller from doing a gc_alloc_update_page_tables(). Actually
+ * the gc_alloc_generation does not need to be checked as this is only
+ * called from scavenge_generation() when the gc_alloc generation is
* younger, so it just checks if there is a pointer to the current
* region.
*
- * We return 1 if the page was write-protected, else 0.
- */
+ * We return 1 if the page was write-protected, else 0. */
static int
update_page_write_prot(int page)
{
&& ((page_table[index].gen < gen)
|| (page_table[index].gen == NUM_GENERATIONS)))
- /* Or does it point within a current gc_alloc region? */
+ /* Or does it point within a current gc_alloc() region? */
|| ((boxed_region.start_addr <= ptr)
&& (ptr <= boxed_region.free_pointer))
|| ((unboxed_region.start_addr <= ptr)
/* Now work forward until the end of this contiguous area
* is found. A small area is preferred as there is a
* better chance of its pages being write-protected. */
- for (last_page = i; ;last_page++)
+ for (last_page = i; ; last_page++)
/* Check whether this is the last page in this contiguous
* block. */
if ((page_table[last_page].bytes_used < 4096)
&& (page_table[i].bytes_used != 0)
&& (page_table[i].gen == generation)
&& (page_table[i].write_protected_cleared != 0)) {
- FSHOW((stderr, "/scavenge_generation %d\n", generation));
+ FSHOW((stderr, "/scavenge_generation() %d\n", generation));
FSHOW((stderr,
"/page bytes_used=%d first_object_offset=%d dont_move=%d\n",
page_table[i].bytes_used,
page_table[i].first_object_offset,
page_table[i].dont_move));
- lose("write-protected page %d written to in scavenge_generation",
- i);
+ lose("write to protected page %d in scavenge_generation()", i);
}
}
#endif
* newspace generation.
*
* To help improve the efficiency, areas written are recorded by
- * gc_alloc and only these scavenged. Sometimes a little more will be
+ * gc_alloc() and only these scavenged. Sometimes a little more will be
* scavenged, but this causes no harm. An easy check is done that the
* scavenged bytes equals the number allocated in the previous
* scavenge.
*
* Write-protected pages could potentially be written by alloc however
* to avoid having to handle re-scavenging of write-protected pages
- * gc_alloc does not write to write-protected pages.
+ * gc_alloc() does not write to write-protected pages.
*
* New areas of objects allocated are recorded alternatively in the two
* new_areas arrays below. */
{
int i;
- /* the new_areas array currently being written to by gc_alloc */
+ /* the new_areas array currently being written to by gc_alloc() */
struct new_area (*current_new_areas)[] = &new_areas_1;
int current_new_areas_index;
gc_alloc_update_page_tables(0, &boxed_region);
gc_alloc_update_page_tables(1, &unboxed_region);
- /* Turn on the recording of new areas by gc_alloc. */
+ /* Turn on the recording of new areas by gc_alloc(). */
new_areas = current_new_areas;
new_areas_index = 0;
else
current_new_areas = &new_areas_1;
- /* Set up for gc_alloc. */
+ /* Set up for gc_alloc(). */
new_areas = current_new_areas;
new_areas_index = 0;
current_new_areas_index));*/
}
- /* Turn off recording of areas allocated by gc_alloc. */
+ /* Turn off recording of areas allocated by gc_alloc(). */
record_new_objects = 0;
#if SC_NS_GEN_CK
}
}
-/* Check the all the free space is zero filled. */
+/* Check that all the free space is zero filled. */
static void
verify_zero_fill(void)
{
preserve_pointer(*ptr);
}
}
-#ifdef CONTROL_STACKS
- scavenge_thread_stacks();
-#endif
if (gencgc_verbose > 1) {
int num_dont_move_pages = count_dont_move_pages();
/* Scavenge all the rest of the roots. */
/* Scavenge the Lisp functions of the interrupt handlers, taking
- * care to avoid SIG_DFL, SIG_IGN. */
+ * care to avoid SIG_DFL and SIG_IGN. */
for (i = 0; i < NSIG; i++) {
union interrupt_handler handler = interrupt_handlers[i];
if (!ARE_SAME_HANDLER(handler.c, SIG_IGN) &&
}
/* Scavenge the binding stack. */
- scavenge( (lispobj *) BINDING_STACK_START,
+ scavenge((lispobj *) BINDING_STACK_START,
(lispobj *)SymbolValue(BINDING_STACK_POINTER) -
(lispobj *)BINDING_STACK_START);
static_space_size =
(lispobj *)SymbolValue(STATIC_SPACE_FREE_POINTER) -
(lispobj *)STATIC_SPACE_START;
- if (gencgc_verbose > 1)
+ if (gencgc_verbose > 1) {
FSHOW((stderr,
"/scavenge static space: %d bytes\n",
static_space_size * sizeof(lispobj)));
+ }
scavenge( (lispobj *) STATIC_SPACE_START, static_space_size);
/* All generations but the generation being GCed need to be
* scavenged. The new_space generation needs special handling as
* objects may be moved in - it is handled separately below. */
- for (i = 0; i < NUM_GENERATIONS; i++)
- if ((i != generation) && (i != new_space))
+ for (i = 0; i < NUM_GENERATIONS; i++) {
+ if ((i != generation) && (i != new_space)) {
scavenge_generation(i);
+ }
+ }
/* Finally scavenge the new_space generation. Keep going until no
* more objects are moved into the new generation */
write_protect_generation_pages(gen_to_wp);
}
- /* Set gc_alloc back to generation 0. The current regions should
- * be flushed after the above GCs */
+ /* Set gc_alloc() back to generation 0. The current regions should
+ * be flushed after the above GCs. */
gc_assert((boxed_region.free_pointer - boxed_region.start_addr) == 0);
gc_alloc_generation = 0;
update_x86_dynamic_space_free_pointer();
- /* This is now done by Lisp SCRUB-CONTROL-STACK in Lisp SUB-GC, so we
- * needn't do it here: */
+ /* This is now done by Lisp SCRUB-CONTROL-STACK in Lisp SUB-GC, so
+ * we needn't do it here: */
/* zero_stack();*/
current_region_free_pointer = boxed_region.free_pointer;
/* This is called by Lisp PURIFY when it is finished. All live objects
* will have been moved to the RO and Static heaps. The dynamic space
* will need a full re-initialization. We don't bother having Lisp
- * PURIFY flush the current gc_alloc region, as the page_tables are
+ * PURIFY flush the current gc_alloc() region, as the page_tables are
* re-initialized, and every page is zeroed to be sure. */
void
gc_free_heap(void)
if (gencgc_verbose > 1)
print_generation_stats(0);
- /* Initialize gc_alloc */
+ /* Initialize gc_alloc(). */
gc_alloc_generation = 0;
boxed_region.first_page = 0;
boxed_region.last_page = -1;
boxed_region.start_addr = page_address(0);
boxed_region.free_pointer = page_address(0);
boxed_region.end_addr = page_address(0);
-
unboxed_region.first_page = 0;
unboxed_region.last_page = -1;
unboxed_region.start_addr = page_address(0);
bytes_allocated = 0;
- /* Initialize the generations. */
+ /* Initialize the generations.
+ *
+ * FIXME: very similar to code in gc_free_heap(), should be shared */
for (i = 0; i < NUM_GENERATIONS; i++) {
generations[i].alloc_start_page = 0;
generations[i].alloc_unboxed_start_page = 0;
generations[i].min_av_mem_age = 0.75;
}
- /* Initialize gc_alloc. */
+ /* Initialize gc_alloc.
+ *
+ * FIXME: identical with code in gc_free_heap(), should be shared */
gc_alloc_generation = 0;
boxed_region.first_page = 0;
boxed_region.last_page = -1;
boxed_region.start_addr = page_address(0);
boxed_region.free_pointer = page_address(0);
boxed_region.end_addr = page_address(0);
-
unboxed_region.first_page = 0;
unboxed_region.last_page = -1;
unboxed_region.start_addr = page_address(0);
SetSymbolValue(PSEUDO_ATOMIC_ATOMIC, make_fixnum(1));
goto retry1;
}
- /* Call gc_alloc. */
+ /* Call gc_alloc(). */
boxed_region.free_pointer = current_region_free_pointer;
{
void *new_obj = gc_alloc(nbytes);
retry2:
/* At least wrap this allocation in a pseudo atomic to prevent
- * gc_alloc from being re-entered. */
+ * gc_alloc() from being re-entered. */
SetSymbolValue(PSEUDO_ATOMIC_INTERRUPTED, make_fixnum(0));
SetSymbolValue(PSEUDO_ATOMIC_ATOMIC, make_fixnum(1));
goto retry2;
}
- /* Else call gc_alloc. */
+ /* Else call gc_alloc(). */
boxed_region.free_pointer = current_region_free_pointer;
result = gc_alloc(nbytes);
current_region_free_pointer = boxed_region.free_pointer;
alloc_entered--;
SetSymbolValue(PSEUDO_ATOMIC_ATOMIC, make_fixnum(0));
if (SymbolValue(PSEUDO_ATOMIC_INTERRUPTED) != 0) {
- /* Handle any interrupts that occurred during
- * gc_alloc(..). */
+ /* Handle any interrupts that occurred during gc_alloc(..). */
do_pending_interrupt();
goto retry2;
}
projects / sbcl.git / commitdiff