143 lines
3.5 KiB
C
143 lines
3.5 KiB
C
/* Tests for AIO in librt.
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Copyright (C) 1998 Free Software Foundation, Inc.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <aio.h>
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#include <errno.h>
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#include <error.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/stat.h>
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/* prototype for our test function. */
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extern int do_test (int argc, char *argv[]);
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/* We might need a bit longer timeout. */
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#define TIMEOUT 20 /* sec */
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/* This defines the `main' function and some more. */
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#include <test-skeleton.c>
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int
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test_file (const void *buf, size_t size, int fd, const char *msg)
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{
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struct stat st;
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char tmp[size];
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errno = 0;
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if (fstat (fd, &st) < 0)
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{
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error (0, errno, "%s: failed stat", msg);
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return 1;
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}
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if (st.st_size != size)
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{
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error (0, errno, "%s: wrong size: %lu, should be %lu",
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msg, (unsigned long int) st.st_size, (unsigned long int) size);
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return 1;
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}
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if (pread (fd, tmp, size, 0) != size)
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{
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error (0, errno, "%s: failed stat", msg);
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return 1;
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}
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if (memcmp (buf, tmp, size) != 0)
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{
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error (0, errno, "%s: failed comparison", msg);
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return 1;
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}
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if (ftruncate (fd, 0) < 0)
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{
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error (0, errno, "%s: failed truncate", msg);
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return 1;
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}
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return 0;
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}
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int
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do_test (int argc, char *argv[])
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{
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char *name;
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char name_len;
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struct aiocb cbs[10];
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struct aiocb *cbp[10];
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char buf[1000];
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size_t cnt;
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int fd;
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int result = 0;
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int go_on;
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name_len = strlen (test_dir);
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name = malloc (name_len + sizeof ("/aioXXXXXX"));
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mempcpy (mempcpy (name, test_dir, name_len),
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"/aioXXXXXX", sizeof ("/aioXXXXXX"));
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add_temp_file (name);
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/* Open our test file. */
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fd = mkstemp (name);
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if (fd == -1)
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error (EXIT_FAILURE, errno, "cannot open test file `%s'", name);
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/* Preparation. */
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for (cnt = 0; cnt < 10; ++cnt)
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{
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cbs[cnt].aio_fildes = fd;
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cbs[cnt].aio_reqprio = 0;
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cbs[cnt].aio_buf = memset (&buf[cnt * 100], '0' + cnt, 100);
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cbs[cnt].aio_nbytes = 100;
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cbs[cnt].aio_offset = cnt * 100;
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cbs[cnt].aio_sigevent.sigev_notify = SIGEV_NONE;
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cbp[cnt] = &cbs[cnt];
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}
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/* First a simple test. */
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for (cnt = 10; cnt > 0; )
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aio_write (cbp[--cnt]);
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/* Wait 'til the results are there. */
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do
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{
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aio_suspend ((const struct aiocb *const *) cbp, 10, NULL);
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go_on = 0;
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for (cnt = 0; cnt < 10; ++cnt)
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if (cbp[cnt] != NULL && aio_error (cbp[cnt]) == EINPROGRESS)
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go_on = 1;
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else
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{
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if (cbp[cnt] != NULL)
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printf ("request %d finished\n", cnt);
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cbp[cnt] = NULL;
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}
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}
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while (go_on);
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/* Test this. */
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result |= test_file (buf, sizeof (buf), fd, "aio_write");
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return result;
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}
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