From 8021fca5412b5b1664e806556205d5cede365974 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Thu, 7 Sep 2006 10:36:13 +0000 Subject: Forward port of rtkaio. --- rtkaio/tst-aiod5.c | 152 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 152 insertions(+) create mode 100644 rtkaio/tst-aiod5.c (limited to 'rtkaio/tst-aiod5.c') diff --git a/rtkaio/tst-aiod5.c b/rtkaio/tst-aiod5.c new file mode 100644 index 0000000000..780f1b6028 --- /dev/null +++ b/rtkaio/tst-aiod5.c @@ -0,0 +1,152 @@ +/* Test for completion thread handling. + Copyright (C) 2000, 2002, 2006 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include +#include +#include +#include +#include +#include "tst-aiod.h" + +/* We might need a bit longer timeout. */ +#define TIMEOUT 10 /* sec */ + +#define MY_SIVAL 27 + +volatile sig_atomic_t flag; + + +static void +callback (sigval_t s) +{ + flag = s.sival_int; +} + +static int +wait_flag (void) +{ + while (flag == 0) + { + puts ("Sleeping..."); + sleep (1); + } + + if (flag != MY_SIVAL) + { + printf ("signal handler received wrong signal, flag is %d\n", flag); + return 1; + } + + return 0; +} + + +static int +do_test (int argc, char *argv[]) +{ + char name[] = "/tmp/aio5.XXXXXX"; + int fd; + struct aiocb *arr[1]; + struct aiocb cb; + static const char buf[] = "Hello World\n"; + struct sigevent ev; + + fd = mkstemp (name); + if (fd == -1) + { + printf ("cannot open temp name: %m\n"); + return 1; + } + + unlink (name); + + arr[0] = &cb; + + void *p; + int sz = set_o_direct (fd); + if (sz != -1) + { + int err = posix_memalign (&p, sz, sz); + if (err) + { + errno = err; + printf ("cannot allocate memory: %m\n"); + return 1; + } + memcpy (p, buf, sizeof (buf) - 1); + memset (p + sizeof (buf) - 1, ' ', sz - sizeof (buf) + 1); + printf ("Using O_DIRECT with block size %d\n", sz); + } + else + { + p = (void *) buf; + sz = sizeof (buf) - 1; + } + + cb.aio_fildes = fd; + cb.aio_lio_opcode = LIO_WRITE; + cb.aio_reqprio = 0; + cb.aio_buf = p; + cb.aio_nbytes = sz; + cb.aio_offset = 0; + cb.aio_sigevent.sigev_notify = SIGEV_THREAD; + cb.aio_sigevent.sigev_notify_function = callback; + cb.aio_sigevent.sigev_notify_attributes = NULL; + cb.aio_sigevent.sigev_value.sival_int = MY_SIVAL; + + ev.sigev_notify = SIGEV_THREAD; + ev.sigev_notify_function = callback; + ev.sigev_notify_attributes = NULL; + ev.sigev_value.sival_int = MY_SIVAL; + + /* First use aio_write. */ + if (aio_write (arr[0]) < 0) + { + if (errno == ENOSYS) + { + puts ("no aio support in this configuration"); + return 0; + } + printf ("aio_write failed: %m\n"); + return 1; + } + + if (wait_flag ()) + return 1; + + puts ("aio_write OK"); + + flag = 0; + /* Again with lio_listio. */ + if (lio_listio (LIO_NOWAIT, arr, 1, &ev) < 0) + { + printf ("lio_listio failed: %m\n"); + return 1; + } + + if (wait_flag ()) + return 1; + + puts ("all OK"); + + return 0; +} + +#include "../test-skeleton.c" -- cgit v1.2.3