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authortenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2009-11-01 01:46:27 +0000
committertenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2009-11-01 01:46:27 +0000
commit5f3d0f523328be8197fd3d410a1b3bd3febfcbc2 (patch)
tree783639ffe9661183276c8dc50c8135c5a03e8805 /ext/dl/dl.c
parent0243c024f8c3e0d229f160ad6fa0db96a70cb8ab (diff)
* test/dl/test_dl2.rb (**) testing malloc and realloc
* ext/dl/dl.c (**) adding documentation git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25605 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/dl/dl.c')
-rw-r--r--ext/dl/dl.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/ext/dl/dl.c b/ext/dl/dl.c
index 6bef7bb3260..beaed843933 100644
--- a/ext/dl/dl.c
+++ b/ext/dl/dl.c
@@ -16,6 +16,12 @@ rb_dl_dlopen(int argc, VALUE argv[], VALUE self)
return rb_class_new_instance(argc, argv, rb_cDLHandle);
}
+/*
+ * call-seq: DL.malloc
+ *
+ * Allocate +size+ bytes of memory and return the integer memory address
+ * for the allocated memory.
+ */
VALUE
rb_dl_malloc(VALUE self, VALUE size)
{
@@ -26,6 +32,13 @@ rb_dl_malloc(VALUE self, VALUE size)
return PTR2NUM(ptr);
}
+/*
+ * call-seq: DL.realloc(addr, size)
+ *
+ * Change the size of the memory allocated at the memory location +addr+ to
+ * +size+ bytes. Returns the memory address of the reallocated memory, which
+ * may be different than the address passed in.
+ */
VALUE
rb_dl_realloc(VALUE self, VALUE addr, VALUE size)
{