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authorEric Wong <normalperson@yhbt.net>2015-01-12 08:27:41 +0000
committerEric Wong <e@80x24.org>2015-01-16 20:05:29 +0000
commit060ec9240134bc759d3966360a79825743e3de16 (patch)
treee3306d1877236d1634b60ab563ba1c24236e5852 /ext/posix_mq/posix_mq.c
parent15a1f2100a09cef45fd17c283e3b784bd8031c9a (diff)
downloadruby_posix_mq-060ec9240134bc759d3966360a79825743e3de16.tar.gz
If a corresponding IO object exists or is created later, propagate
autoclose to the corresponding IO object to avoid simplify autoclose
handling for the user.  This hopefully avoids nasty surprises in case
users disable autoclose but want to keep the IO object around.
Diffstat (limited to 'ext/posix_mq/posix_mq.c')
-rw-r--r--ext/posix_mq/posix_mq.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/ext/posix_mq/posix_mq.c b/ext/posix_mq/posix_mq.c
index 78544c8..5e1b3b8 100644
--- a/ext/posix_mq/posix_mq.c
+++ b/ext/posix_mq/posix_mq.c
@@ -34,6 +34,7 @@
 #  define MQ_IO_SET(mq,val) ((void)(0))
 #  define MQ_IO_CLOSE(mq) ((int)(0))
 #  define MQ_IO_NIL_P(mq) ((int)(1))
+#  define MQ_IO_SET_AUTOCLOSE(mq, boolean) for(;0;)
 #endif
 
 struct posix_mq {
@@ -48,9 +49,17 @@ struct posix_mq {
 };
 
 #ifdef MQD_TO_FD
+static ID id_setautoclose;
 #  define MQ_IO_MARK(mq) rb_gc_mark((mq)->io)
 #  define MQ_IO_SET(mq,val) do { (mq)->io = (val); } while (0)
 #  define MQ_IO_NIL_P(mq) NIL_P((mq)->io)
+
+static void MQ_IO_SET_AUTOCLOSE(struct posix_mq *mq, VALUE boolean)
+{
+        if (!NIL_P(mq->io))
+                rb_funcall(mq->io, id_setautoclose, 1, boolean);
+}
+
 static int MQ_IO_CLOSE(struct posix_mq *mq)
 {
         if (NIL_P(mq->io))
@@ -654,9 +663,13 @@ static VALUE to_io(VALUE self)
         struct posix_mq *mq = get(self, 1);
         int fd = MQD_TO_FD(mq->des);
 
-        if (NIL_P(mq->io))
+        if (NIL_P(mq->io)) {
                 mq->io = rb_funcall(rb_cIO, id_new, 1, INT2NUM(fd));
 
+                if (!mq->autoclose)
+                        rb_funcall(mq->io, id_setautoclose, 1, Qfalse);
+        }
+
         return mq->io;
 }
 #endif
@@ -1078,6 +1091,7 @@ static VALUE setautoclose(VALUE self, VALUE autoclose)
 {
         struct posix_mq *mq = get(self, 1);
 
+        MQ_IO_SET_AUTOCLOSE(mq, autoclose);
         mq->autoclose = RTEST(autoclose) ? 1 : 0;
         return autoclose;
 }
@@ -1195,6 +1209,7 @@ void Init_posix_mq_ext(void)
 
 #ifdef FD_TO_MQD
         rb_define_module_function(cPOSIX_MQ, "for_fd", for_fd, 1);
+        id_setautoclose = rb_intern("autoclose=");
 #endif
 
         id_new = rb_intern("new");