1 files changed, 90 insertions, 0 deletions
diff --git a/sim/testsuite/sim/cris/c/clone1.c b/sim/testsuite/sim/cris/c/clone1.c
new file mode 100644
index 00000000000..163b18647a8
--- /dev/null
+++ b/sim/testsuite/sim/cris/c/clone1.c
@@ -0,0 +1,90 @@
+/*
+#notarget: cris*-*-elf
+#output: got: a\nthen: bc\nexit: 0\n
+*/
+
+/* This is a very limited subset of what ex1.c does; we just check that
+   thread creation (clone syscall) and pipe writes and reads work. */
+
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sched.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+int pip[2];
+
+int
+process (void *arg)
+{
+  char *s = arg;
+  if (write (pip[1], s+2, 1) != 1) abort ();
+  if (write (pip[1], s+1, 1) != 1) abort ();
+  if (write (pip[1], s, 1) != 1) abort ();
+  return 0;
+}
+
+int
+main (void)
+{
+  int retcode;
+  int pid;
+  int st;
+  long stack[16384];
+  char buf[10] = {0};
+
+  retcode = pipe (pip);
+
+  if (retcode != 0)
+    {
+      fprintf (stderr, "Bad pipe %d\n", retcode);
+      abort ();
+    }
+
+  pid = clone (process, (char *) stack + sizeof (stack) - 64,
+	       (CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND)
+	       | SIGCHLD, "cba");
+  if (pid <= 0)
+    {
+      fprintf (stderr, "Bad clone %d\n", pid);
+      abort ();
+    }
+
+  if ((retcode = read (pip[0], buf, 1)) != 1)
+    {
+      fprintf (stderr, "Bad read 1: %d\n", retcode);
+      abort ();
+    }
+  printf ("got: %c\n", buf[0]);
+  retcode = read (pip[0], buf, 2);
+  if (retcode == 1)
+    {
+      retcode = read (pip[0], buf+1, 1);
+      if (retcode != 1)
+	{
+	  fprintf (stderr, "Bad read 1.5: %d\n", retcode);
+	  abort ();
+	}
+      retcode = 2;
+    }
+  if (retcode != 2)
+    {
+      fprintf (stderr, "Bad read 2: %d\n", retcode);
+      abort ();
+    }
+
+  printf ("then: %s\n", buf);
+  retcode = wait4 (-1, &st, WNOHANG | __WCLONE, NULL);
+
+  if (retcode != pid || !WIFEXITED (st))
+    {
+      fprintf (stderr, "Bad wait %d %x\n", retcode, st);
+      abort ();
+    }
+
+  printf ("exit: %d\n", WEXITSTATUS (st));
+  return 0;
+}