* io.c: IO.copy_stream implemented. [ruby-dev:33843]

* thread.c (rb_fd_select): new function.

* configure.in (sys/sendfile.h): check the header file.
  (sendfile): check the function.
  (pread): check the function.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15858 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 19 insertions, 0 deletions

diff --git a/thread.c b/thread.c
index 8fc6dd9245..bdf1d4acc8 100644
--- a/thread.c
+++ b/thread.c
@@ -1702,6 +1702,25 @@ rb_fd_copy(rb_fdset_t *dst, const fd_set *src, int max)
     memcpy(dst->fdset, src, size);
 }
 
+int
+rb_fd_select(int n, rb_fdset_t *readfds, rb_fdset_t *writefds, rb_fdset_t *exceptfds, struct timeval *timeout)
+{
+    fd_set *r = NULL, *w = NULL, *e = NULL;
+    if (readfds) {
+        rb_fd_resize(n - 1, readfds);
+        r = rb_fd_ptr(readfds);
+    }
+    if (writefds) {
+        rb_fd_resize(n - 1, writefds);
+        w = rb_fd_ptr(writefds);
+    }
+    if (exceptfds) {
+        rb_fd_resize(n - 1, exceptfds);
+        e = rb_fd_ptr(exceptfds);
+    }
+    return select(n, r, w, e, timeout);
+}
+
 #undef FD_ZERO
 #undef FD_SET
 #undef FD_CLR