Add qemu 2.4.0

[kvmfornfv.git] / qemu / tests / tcg / cris / check_openpf5.c

diff --git a/qemu/tests/tcg/cris/check_openpf5.c b/qemu/tests/tcg/cris/check_openpf5.c
new file mode 100644 (file)
index 0000000..1f86ea2
--- /dev/null
+++ b/qemu/tests/tcg/cris/check_openpf5.c
@@ -0,0 +1,56 @@
+/* Check that TRT happens when error on too many opened files.
+#notarget: cris*-*-elf
+#sim: --sysroot=@exedir@
+*/
+#include <stddef.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <limits.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+
+int main (int argc, char *argv[])
+{
+  int i;
+  int filemax;
+
+#ifdef OPEN_MAX
+  filemax = OPEN_MAX;
+#else
+  filemax = sysconf (_SC_OPEN_MAX);
+#endif
+
+  char *fn = malloc (strlen (argv[0]) + 2);
+  if (fn == NULL)
+    abort ();
+  strcpy (fn, "/");
+  strcat (fn, argv[0]);
+
+  for (i = 0; i < filemax + 1; i++)
+    {
+      if (open (fn, O_RDONLY) < 0)
+       {
+         /* Shouldn't happen too early.  */
+         if (i < filemax - 3 - 1)
+           {
+             fprintf (stderr, "i: %d\n", i);
+             abort ();
+           }
+         if (errno != EMFILE)
+           {
+             perror ("open");
+             abort ();
+           }
+         goto ok;
+       }
+    }
+  abort ();
+
+ok:
+  printf ("pass\n");
+  exit (0);
+}