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Diffstat (limited to 'qemu/tests/tcg/cris/check_openpf5.c')
-rw-r--r--qemu/tests/tcg/cris/check_openpf5.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/qemu/tests/tcg/cris/check_openpf5.c b/qemu/tests/tcg/cris/check_openpf5.c
new file mode 100644
index 000000000..1f86ea283
--- /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);
+}