* ruby.c (fill_standard_fds): use fstat() instead of fcntl(F_GETFD)

  for MinGW.  reported by Luis Lavena.  [ruby-core:40526] [Bug #5516]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33573 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 9 insertions, 3 deletions

diff --git a/ChangeLog b/ChangeLog
index 57182b8e50..980e5e8631 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun Oct 30 22:32:44 2011  Tanaka Akira  <akr@fsij.org>
+
+	* ruby.c (fill_standard_fds): use fstat() instead of fcntl(F_GETFD)
+	  for MinGW.  reported by Luis Lavena.  [ruby-core:40526] [Bug #5516]
+
 Sun Oct 30 21:12:47 2011  Tanaka Akira  <akr@fsij.org>
 
 	* include/ruby/intern.h (rb_cloexec_pipe): declared.
diff --git a/ruby.c b/ruby.c
index 3371772671..944f214560 100644
--- a/ruby.c
+++ b/ruby.c
@@ -1819,9 +1819,10 @@ static void
 fill_standard_fds(void)
 {
     int f0, f1, f2, fds[2];
-    f0 = fcntl(0, F_GETFD) == -1 && errno == EBADF;
-    f1 = fcntl(1, F_GETFD) == -1 && errno == EBADF;
-    f2 = fcntl(2, F_GETFD) == -1 && errno == EBADF;
+    struct stat buf;
+    f0 = fstat(0, &buf) == -1 && errno == EBADF;
+    f1 = fstat(1, &buf) == -1 && errno == EBADF;
+    f2 = fstat(2, &buf) == -1 && errno == EBADF;
     if (f0) {
         if (pipe(fds) == 0) {
             close(fds[1]);