Land 1331 - user crt _open/_close in win32 socketpair sentinel test

1 files changed, 6 insertions, 2 deletions

diff --git a/tests/compat/pipe2.c b/tests/compat/pipe2.c
index d7b4062..9d93a55 100644
--- a/tests/compat/pipe2.c
+++ b/tests/compat/pipe2.c
@@ -38,16 +38,20 @@ static int setfl(int fd, int flag)
 /*
  * Have open() temporarily use up file descriptors until reaching beyond the
  * allocated sockets, then leak the ones conflicting with any of the latter.
+ *
+ * open()/close() are redefined to posix_open()/posix_close() in this file,
+ * which tag descriptors with the 0x80000000 bit. Use the raw CRT _open/_close
+ * so the values compare against the socket handles in the same namespace.
  */
 static void create_issue_1069_sentinels(int socket_vector[2])
 {
-        int fd = open("CONIN$", O_RDONLY);
+        int fd = _open("CONIN$", O_RDONLY);
         if (fd == -1 || (fd > socket_vector[0] && fd > socket_vector[1])) {
                 return;
         }
         create_issue_1069_sentinels(socket_vector);
         if (fd != socket_vector[0] && fd != socket_vector[1]) {
-                close(fd);
+                _close(fd);
         }
 }