Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 49 insertions, 0 deletions

diff --git a/tests/tcg/cris/libc/check_openpf3.c b/tests/tcg/cris/libc/check_openpf3.c
new file mode 100644
index 000000000..557adee92
--- /dev/null
+++ b/tests/tcg/cris/libc/check_openpf3.c
@@ -0,0 +1,49 @@
+/* Basic file operations (rename, unlink); once without sysroot.  We
+   also test that the simulator has chdir:ed to PREFIX, when defined.  */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#ifndef PREFIX
+#define PREFIX
+#endif
+
+void err (const char *s)
+{
+  perror (s);
+  abort ();
+}
+
+int main (int argc, char *argv[])
+{
+  FILE *f;
+  struct stat buf;
+
+  unlink (PREFIX "testfoo2.tmp");
+
+  f = fopen ("testfoo1.tmp", "w");
+  if (f == NULL)
+    err ("open");
+  fclose (f);
+
+  if (rename (PREFIX "testfoo1.tmp", PREFIX "testfoo2.tmp") != 0)
+    err ("rename");
+
+  if (stat (PREFIX "testfoo2.tmp", &buf) != 0
+      || !S_ISREG (buf.st_mode))
+    err ("stat 1");
+
+  if (stat ("testfoo2.tmp", &buf) != 0
+      || !S_ISREG (buf.st_mode))
+    err ("stat 2");
+
+  if (unlink (PREFIX "testfoo2.tmp") != 0)
+    err ("unlink");
+
+  printf ("pass\n");
+  return 0;
+}