Prepare for radical source tree reorganization. zack/build-layout-experiment

All top-level files and directories are moved into a temporary storage
directory, REORG.TODO, except for files that will certainly still
exist in their current form at top level when we're done (COPYING,
COPYING.LIB, LICENSES, NEWS, README), all old ChangeLog files (which
are moved to the new directory OldChangeLogs, instead), and the
generated file INSTALL (which is just deleted; in the new order, there
will be no generated files checked into version control).

1 files changed, 0 insertions, 184 deletions

diff --git a/nptl/tst-robust-fork.c b/nptl/tst-robust-fork.c
deleted file mode 100644
index 4a12ff000d..0000000000
--- a/nptl/tst-robust-fork.c
+++ /dev/null
@@ -1,184 +0,0 @@
-/* Test the interaction of fork and robust mutexes.
-   Copyright (C) 2017 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <errno.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <support/check.h>
-#include <support/test-driver.h>
-#include <support/xthread.h>
-#include <support/xunistd.h>
-#include <sys/mman.h>
-
-/* Data shared between processes. */
-struct shared
-{
-  pthread_mutex_t parent_mutex;
-  pthread_mutex_t child_mutex;
-};
-
-/* These flags control which mutex settings are enabled in the parent
-   and child (separately).  */
-enum mutex_bits
-  {
-    mutex_pshared = 1,
-    mutex_robust = 2,
-    mutex_pi = 4,
-    mutex_check = 8,
-
-    /* All bits combined.  */
-    mutex_all_bits = 15,
-  };
-
-static void
-mutex_init (pthread_mutex_t *mutex, int bits)
-{
-  pthread_mutexattr_t attr;
-  xpthread_mutexattr_init (&attr);
-  if (bits & mutex_pshared)
-    xpthread_mutexattr_setpshared (&attr, PTHREAD_PROCESS_SHARED);
-  if (bits & mutex_robust)
-    xpthread_mutexattr_setrobust (&attr, PTHREAD_MUTEX_ROBUST);
-  if (bits & mutex_pi)
-    xpthread_mutexattr_setprotocol (&attr, PTHREAD_PRIO_INHERIT);
-  if (bits & mutex_check)
-    xpthread_mutexattr_settype (&attr, PTHREAD_MUTEX_ERRORCHECK);
-  xpthread_mutex_init (mutex, &attr);
-  xpthread_mutexattr_destroy (&attr);
-}
-
-static void
-one_test (int parent_bits, int child_bits, int nonshared_bits,
-          bool lock_nonshared, bool lock_child)
-{
-
-  struct shared *shared = xmmap (NULL, sizeof (*shared),
-                                 PROT_READ | PROT_WRITE,
-                                 MAP_ANONYMOUS | MAP_SHARED, -1);
-  mutex_init (&shared->parent_mutex, parent_bits);
-  mutex_init (&shared->child_mutex, child_bits);
-
-  /* Acquire the parent mutex in the parent.  */
-  xpthread_mutex_lock (&shared->parent_mutex);
-
-  pthread_mutex_t nonshared_mutex;
-  mutex_init (&nonshared_mutex, nonshared_bits);
-  if (lock_nonshared)
-    xpthread_mutex_lock (&nonshared_mutex);
-
-  pid_t pid = xfork ();
-  if (pid == 0)
-    {
-      /* Child process.  */
-      if (lock_child)
-        xpthread_mutex_lock (&shared->child_mutex);
-      else
-        xmunmap (shared, sizeof (*shared));
-      if (lock_nonshared)
-        /* Reinitialize the non-shared mutex if it was locked in the
-           parent.  */
-        mutex_init (&nonshared_mutex, nonshared_bits);
-      xpthread_mutex_lock (&nonshared_mutex);
-      /* For robust mutexes, the _exit call will perform the unlock
-         instead.  */
-      if (lock_child && !(child_bits & mutex_robust))
-        xpthread_mutex_unlock (&shared->child_mutex);
-      _exit (0);
-    }
-  /* Parent process. */
-  {
-    int status;
-    xwaitpid (pid, &status, 0);
-    TEST_VERIFY (status == 0);
-  }
-
-  if (parent_bits & mutex_check)
-    /* Test for expected self-deadlock.  This is only possible to
-       detect if the mutex is error-checking.  */
-    TEST_VERIFY_EXIT (pthread_mutex_lock (&shared->parent_mutex) == EDEADLK);
-
-  pid = xfork ();
-  if (pid == 0)
-    {
-      /* Child process.  We can perform some checks only if we are
-         dealing with process-shared mutexes.  */
-      if (parent_bits & mutex_pshared)
-        /* It must not be possible to acquire the parent mutex.
-
-           NB: This check touches a mutex which has been acquired in
-           the parent at fork time, so it might be deemed undefined
-           behavior, pending the resolution of Austin Groups issue
-           1112.  */
-        TEST_VERIFY_EXIT (pthread_mutex_trylock (&shared->parent_mutex)
-                          == EBUSY);
-      if (lock_child && (child_bits & mutex_robust))
-        {
-          if (!(child_bits & mutex_pshared))
-            /* No further tests possible.  */
-            _exit (0);
-          TEST_VERIFY_EXIT (pthread_mutex_lock (&shared->child_mutex)
-                            == EOWNERDEAD);
-          xpthread_mutex_consistent (&shared->child_mutex);
-        }
-      else
-        /* We did not acquire the lock in the first child process, or
-           we unlocked the mutex again because the mutex is not a
-           robust mutex.  */
-        xpthread_mutex_lock (&shared->child_mutex);
-      xpthread_mutex_unlock (&shared->child_mutex);
-      _exit (0);
-    }
-  /* Parent process. */
-  {
-    int status;
-    xwaitpid (pid, &status, 0);
-    TEST_VERIFY (status == 0);
-  }
-
-  if (lock_nonshared)
-    xpthread_mutex_unlock (&nonshared_mutex);
-  xpthread_mutex_unlock (&shared->parent_mutex);
-  xpthread_mutex_destroy (&shared->parent_mutex);
-  xpthread_mutex_destroy (&shared->child_mutex);
-  xpthread_mutex_destroy (&nonshared_mutex);
-  xmunmap (shared, sizeof (*shared));
-}
-
-static int
-do_test (void)
-{
-  for (int parent_bits = 0; parent_bits <= mutex_all_bits; ++parent_bits)
-    for (int child_bits = 0; child_bits <= mutex_all_bits; ++child_bits)
-      for (int nonshared_bits = 0; nonshared_bits <= mutex_all_bits;
-           ++nonshared_bits)
-        for (int lock_nonshared = 0; lock_nonshared < 2; ++lock_nonshared)
-          for (int lock_child = 0; lock_child < 2; ++lock_child)
-            {
-              if (test_verbose)
-                printf ("info: parent_bits=0x%x child_bits=0x%x"
-                        " nonshared_bits=0x%x%s%s\n",
-                        parent_bits, child_bits, nonshared_bits,
-                        lock_nonshared ? " lock_nonshared" : "",
-                        lock_child ? " lock_child" : "");
-              one_test (parent_bits, child_bits, nonshared_bits,
-                        lock_nonshared, lock_child);
-            }
-  return 0;
-}
-
-#include <support/test-driver.c>