e$B:XF#$H?=$7$^$9!#e(B
GC.stresse$B$re(B1.8e$B%V%i%s%A$K9g$&$h$&!"%Q%C%A$r:n$j$^$7$?!#e(B
1.8e$B7ONs$N3+H/$K$bM-MQ$G$"$k$N$OJQ$o$j$J$$$H;W$&$N$G!"e(B1.8.7e$B$K8~$1$FDI2C$re(B
e$B9M$([email protected]$1$k$H$&$l$7$$$G$9!#e(B
Index: signal.c
— signal.c (revision 15162)
+++ signal.c (working copy)
@@ -622,6 +622,8 @@
}
#endif
- extern int ruby_gc_stress;
- ruby_gc_stress = 0;
rb_bug(“Segmentation fault”);
}
#endif
Index: gc.c
===================================================================
— gc.c (revision 15162)
+++ gc.c (working copy)
@@ -87,6 +87,39 @@
rb_exc_raise(nomem_error);
}
+/*
-
- call-seq:
-
- GC.stress => true or false
-
-
- returns current status of GC stress mode.
- */
+static VALUE
+gc_stress_get(VALUE self)
+{
- return ruby_gc_stress ? Qtrue : Qfalse;
+}
+/*
-
- call-seq:
-
- GC.stress = bool => bool
-
-
- updates GC stress mode.
-
-
- When GC.stress = true, GC is invoked for all GC opportunity:
-
- all memory and object allocation.
-
-
- Since it makes Ruby very slow, it is only for debugging.
- */
+static VALUE
+gc_stress_set(VALUE self, VALUE bool)
+{
- rb_secure(2);
- ruby_gc_stress = RTEST(bool);
- return bool;
+}
void *
ruby_xmalloc(size)
long size;
@@ -99,7 +132,7 @@
if (size == 0) size = 1;
malloc_increase += size;
- if (malloc_increase > malloc_limit) {
- if (ruby_gc_stress || malloc_increase > malloc_limit) {
garbage_collect();
}
RUBY_CRITICAL(mem = malloc(size));
@@ -139,6 +172,7 @@
if (!ptr) return xmalloc(size);
if (size == 0) size = 1;
malloc_increase += size; - if (ruby_gc_stress) garbage_collect();
RUBY_CRITICAL(mem = realloc(ptr, size));
if (!mem) {
garbage_collect();
@@ -378,7 +412,7 @@
{
VALUE obj;
- if (!freelist) garbage_collect();
-
if (ruby_gc_stress || !freelist) garbage_collect();
obj = (VALUE)freelist;
freelist = freelist->as.free.next;
@@ -413,6 +447,8 @@
VALUE *rb_gc_register_stack_start = 0;
#endif
+int ruby_gc_stress = 0;
+
#ifdef DJGPP
/* set stack size (http://www.delorie.com/djgpp/v2faq/faq15_9.html) /
unsigned int _stklen = 0x180000; / 1.5 kB */
@@ -2032,6 +2068,8 @@
rb_define_singleton_method(rb_mGC, “start”, rb_gc_start, 0);
rb_define_singleton_method(rb_mGC, “enable”, rb_gc_enable, 0);
rb_define_singleton_method(rb_mGC, “disable”, rb_gc_disable, 0);
-
rb_define_singleton_method(rb_mGC, “stress”, gc_stress_get, 0);
-
rb_define_singleton_method(rb_mGC, “stress=”, gc_stress_set, 1);
rb_define_method(rb_mGC, “garbage_collect”, rb_gc_start, 0);rb_mObSpace = rb_define_module(“ObjectSpace”);