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-rw-r--r--nptl/tst-cancel4-common.h97
1 files changed, 0 insertions, 97 deletions
diff --git a/nptl/tst-cancel4-common.h b/nptl/tst-cancel4-common.h
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--- a/nptl/tst-cancel4-common.h
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-/* Common definition for tst-cancel4_* tests.
-
- Copyright (C) 2016-2017 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 <pthread.h>
-
-#include <support/check.h>
-#include <support/xthread.h>
-#include <support/xunistd.h>
-
-/* Pipe descriptors. */
-static int fds[2];
-
-/* Temporary file descriptor, to be closed after each round. */
-static int tempfd = -1;
-static int tempfd2 = -1;
-/* Name of temporary file to be removed after each round. */
-static char *tempfname;
-/* Temporary message queue. */
-static int tempmsg = -1;
-
-/* Often used barrier for two threads. */
-static pthread_barrier_t b2;
-
-/* The WRITE_BUFFER_SIZE value needs to be chosen such that if we set
- the socket send buffer size to '1', a write of this size on that
- socket will block.
-
- The Linux kernel imposes a minimum send socket buffer size which
- has changed over the years. As of Linux 3.10 the value is:
-
- 2 * (2048 + SKB_DATA_ALIGN(sizeof(struct sk_buff)))
-
- which is attempting to make sure that with standard MTUs,
- TCP can always queue up at least 2 full sized packets.
-
- Furthermore, there is logic in the socket send paths that
- will allow one more packet (of any size) to be queued up as
- long as some socket buffer space remains. Blocking only
- occurs when we try to queue up a new packet and the send
- buffer space has already been fully consumed.
-
- Therefore we must set this value to the largest possible value of
- the formula above (and since it depends upon the size of "struct
- sk_buff", it is dependent upon machine word size etc.) plus some
- slack space. */
-
-#define WRITE_BUFFER_SIZE 16384
-
-/* Cleanup handling test. */
-static int cl_called;
-
-static void
-cl (void *arg)
-{
- ++cl_called;
-}
-
-/* Named pipe used to check for blocking open. It should be closed
- after the cancellation handling. */
-static char fifoname[] = "/tmp/tst-cancel4-fifo-XXXXXX";
-static int fifofd;
-
-static void
-__attribute__ ((used))
-cl_fifo (void *arg)
-{
- ++cl_called;
-
- unlink (fifoname);
- close (fifofd);
- fifofd = -1;
-}
-
-struct cancel_tests
-{
- const char *name;
- void *(*tf) (void *);
- int nb;
- int only_early;
-};
-#define ADD_TEST(name, nbar, early) { #name, tf_##name, nbar, early }