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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-08-06 01:56:37 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-08-06 01:56:37 +0000 |
commit | 95c84eac49064986bfd877ccf4d7e91e9929e833 (patch) | |
tree | 90ceb969840381ae0fdf3bf16eabd9b5b0cc879b /gc.c | |
parent | 8b6a0f732597e2edd274d5634b464a344821ee9b (diff) | |
download | ruby-95c84eac49064986bfd877ccf4d7e91e9929e833.tar.gz |
gc.c: move tmp buffer functions
* gc.c (rb_alloc_tmp_buffer, rb_free_tmp_buffer): move from
node.c.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51500 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'gc.c')
-rw-r--r-- | gc.c | 30 |
1 files changed, 30 insertions, 0 deletions
@@ -7766,6 +7766,36 @@ ruby_mimfree(void *ptr) free(mem); } +void * +rb_alloc_tmp_buffer(volatile VALUE *store, long len) +{ + NODE *s; + long cnt; + void *ptr; + + if (len < 0 || (cnt = (long)roomof(len, sizeof(VALUE))) < 0) { + rb_raise(rb_eArgError, "negative buffer size (or size too big)"); + } + + s = rb_node_newnode(NODE_ALLOCA, 0, 0, 0); + ptr = ruby_xmalloc(cnt * sizeof(VALUE)); + s->u1.value = (VALUE)ptr; + s->u3.cnt = cnt; + *store = (VALUE)s; + return ptr; +} + +void +rb_free_tmp_buffer(volatile VALUE *store) +{ + VALUE s = ATOMIC_VALUE_EXCHANGE(*store, 0); + if (s) { + void *ptr = ATOMIC_PTR_EXCHANGE(RNODE(s)->u1.node, 0); + RNODE(s)->u3.cnt = 0; + ruby_xfree(ptr); + } +} + #if MALLOC_ALLOCATED_SIZE /* * call-seq: |