1 files changed, 75 insertions, 0 deletions
diff --git a/ruby_1_9_3/ext/-test-/old_thread_select/old_thread_select.c b/ruby_1_9_3/ext/-test-/old_thread_select/old_thread_select.c
new file mode 100644
index 0000000000..e374f02355
--- /dev/null
+++ b/ruby_1_9_3/ext/-test-/old_thread_select/old_thread_select.c
@@ -0,0 +1,75 @@
+/* test case for deprecated C API */
+#include "ruby/ruby.h"
+#include "ruby/io.h"
+
+static fd_set * array2fdset(fd_set *fds, VALUE ary, int *max)
+{
+    long i;
+
+    if (NIL_P(ary))
+	return NULL;
+
+    FD_ZERO(fds);
+    Check_Type(ary, T_ARRAY);
+    for (i = 0; i < RARRAY_LEN(ary); i++) {
+	VALUE val = RARRAY_PTR(ary)[i];
+	int fd;
+
+	Check_Type(val, T_FIXNUM);
+	fd = FIX2INT(val);
+	if (fd >= *max)
+	    *max = fd + 1;
+	FD_SET(fd, fds);
+    }
+
+    return fds;
+}
+
+static void fdset2array(VALUE dst, fd_set *fds, int max)
+{
+    int i;
+
+    rb_ary_clear(dst);
+
+    for (i = 0; i < max; i++) {
+	if (FD_ISSET(i, fds))
+	    rb_ary_push(dst, INT2NUM(i));
+    }
+}
+
+static VALUE
+old_thread_select(VALUE klass, VALUE r, VALUE w, VALUE e, VALUE timeout)
+{
+    struct timeval tv;
+    struct timeval *tvp = NULL;
+    fd_set rfds, wfds, efds;
+    fd_set *rp, *wp, *ep;
+    int rc;
+    int max = 0;
+
+    if (!NIL_P(timeout)) {
+	tv = rb_time_timeval(timeout);
+	tvp = &tv;
+    }
+    rp = array2fdset(&rfds, r, &max);
+    wp = array2fdset(&wfds, w, &max);
+    ep = array2fdset(&efds, e, &max);
+    rc = rb_thread_select(max, rp, wp, ep, tvp);
+    if (rc == -1)
+	rb_sys_fail("rb_wait_for_single_fd");
+
+    if (rp)
+	fdset2array(r, &rfds, max);
+    if (wp)
+	fdset2array(w, &wfds, max);
+    if (ep)
+	fdset2array(e, &efds, max);
+    return INT2NUM(rc);
+}
+
+void
+Init_old_thread_select(void)
+{
+    rb_define_singleton_method(rb_cIO, "old_thread_select",
+                               old_thread_select, 4);
+}