Module | GC |
In: |
gc.c
|
The GC module provides an interface to Ruby‘s mark and sweep garbage collection mechanism. Some of the underlying methods are also available via the ObjectSpace module.
Disables garbage collection, returning true if garbage collection was already disabled.
GC.disable #=> false GC.disable #=> true
/* * call-seq: * GC.disable => true or false * * Disables garbage collection, returning <code>true</code> if garbage * collection was already disabled. * * GC.disable #=> false * GC.disable #=> true * */ VALUE rb_gc_disable() { int old = dont_gc; dont_gc = Qtrue; return old; }
Enables garbage collection, returning true if garbage collection was previously disabled.
GC.disable #=> false GC.enable #=> true GC.enable #=> false
/* * call-seq: * GC.enable => true or false * * Enables garbage collection, returning <code>true</code> if garbage * collection was previously disabled. * * GC.disable #=> false * GC.enable #=> true * GC.enable #=> false * */ VALUE rb_gc_enable() { int old = dont_gc; dont_gc = Qfalse; return old; }
Initiates garbage collection, unless manually disabled.
/* * call-seq: * GC.start => nil * gc.garbage_collect => nil * ObjectSpace.garbage_collect => nil * * Initiates garbage collection, unless manually disabled. * */ VALUE rb_gc_start() { rb_gc(); return Qnil; }
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.
/* * 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(self, bool) VALUE self, bool; { rb_secure(2); ruby_gc_stress = RTEST(bool); return bool; }