[thirdparty/glibc.git] / rt / tst-aio64.c

/* Tests for 64bit AIO in librt.
   Copyright (C) 1998-2019 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.

   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
   <https://www.gnu.org/licenses/>.  */

#define _LARGEFILE_SOURCE 1
#include <aio.h>
#include <errno.h>
#include <error.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>


/* Prototype for our test function.  */
extern void do_prepare (int argc, char *argv[]);
extern int do_test (int argc, char *argv[]);

/* We have a preparation function.  */
#define PREPARE do_prepare

/* This defines the `main' function and some more.  */
#include <test-skeleton.c>


/* These are for the temporary file we generate.  */
char *name;
int fd;

void
do_prepare (int argc, char *argv[])
{
  size_t name_len;

  name_len = strlen (test_dir);
  name = xmalloc (name_len + sizeof ("/aioXXXXXX"));
  mempcpy (mempcpy (name, test_dir, name_len),
	   "/aioXXXXXX", sizeof ("/aioXXXXXX"));

  /* Open our test file.   */
  fd = mkstemp (name);
  if (fd == -1)
    error (EXIT_FAILURE, errno, "cannot open test file `%s'", name);
  add_temp_file (name);
}


static int
test_file (const void *buf, size_t size, int fd, const char *msg)
{
  struct stat st;
  char tmp[size];

  errno = 0;
  if (fstat (fd, &st) < 0)
    {
      error (0, errno, "%s: failed stat", msg);
      return 1;
    }

  if (st.st_size != (off_t) size)
    {
      error (0, errno, "%s: wrong size: %lu, should be %lu",
	     msg, (unsigned long int) st.st_size, (unsigned long int) size);
      return 1;
    }

  if (pread (fd, tmp, size, 0) != (ssize_t) size)
    {
      error (0, errno, "%s: failed pread", msg);
      return 1;
    }

  if (memcmp (buf, tmp, size) != 0)
    {
      error (0, errno, "%s: failed comparison", msg);
      return 1;
    }

  printf ("%s test ok\n", msg);

  return 0;
}


static int
do_wait (struct aiocb64 **cbp, size_t nent, int allowed_err)
{
  int go_on;
  size_t cnt;
  int result = 0;

  do
    {
      aio_suspend64 ((const struct aiocb64 *const *) cbp, nent, NULL);
      go_on = 0;
      for (cnt = 0; cnt < nent; ++cnt)
	if (cbp[cnt] != NULL)
	  {
	    if (aio_error64 (cbp[cnt]) == EINPROGRESS)
	      go_on = 1;
	    else
	      {
		if (aio_return64 (cbp[cnt]) == -1
		    && (allowed_err == 0
			|| aio_error64 (cbp[cnt]) != allowed_err))
		  {
		    error (0, aio_error64 (cbp[cnt]), "Operation failed\n");
		    result = 1;
		  }
		cbp[cnt] = NULL;
	      }
	  }
    }
  while (go_on);

  return result;
}


int
do_test (int argc, char *argv[])
{
  struct aiocb64 cbs[10];
  struct aiocb64 cbs_fsync;
  struct aiocb64 *cbp[10];
  struct aiocb64 *cbp_fsync[1];
  char buf[1000];
  size_t cnt;
  int result = 0;

  /* Preparation.  */
  for (cnt = 0; cnt < 10; ++cnt)
    {
      cbs[cnt].aio_fildes = fd;
      cbs[cnt].aio_reqprio = 0;
      cbs[cnt].aio_buf = memset (&buf[cnt * 100], '0' + cnt, 100);
      cbs[cnt].aio_nbytes = 100;
      cbs[cnt].aio_offset = cnt * 100;
      cbs[cnt].aio_sigevent.sigev_notify = SIGEV_NONE;

      cbp[cnt] = &cbs[cnt];
    }

  /* First a simple test.  */
  for (cnt = 10; cnt > 0; )
    if (aio_write64 (cbp[--cnt]) < 0 && errno == ENOSYS)
      {
	error (0, 0, "no aio support in this configuration");
	return 0;
      }
  /* Wait 'til the results are there.  */
  result |= do_wait (cbp, 10, 0);
  /* Test this.  */
  result |= test_file (buf, sizeof (buf), fd, "aio_write");

  /* Read now as we've written it.  */
  memset (buf, '\0', sizeof (buf));
  /* Issue the commands.  */
  for (cnt = 10; cnt > 0; )
    {
      --cnt;
      cbp[cnt] = &cbs[cnt];
      aio_read64 (cbp[cnt]);
    }
  /* Wait 'til the results are there.  */
  result |= do_wait (cbp, 10, 0);
  /* Test this.  */
  for (cnt = 0; cnt < 1000; ++cnt)
    if (buf[cnt] != '0' + (cnt / 100))
      {
	result = 1;
	error (0, 0, "comparison failed for aio_read test");
	break;
      }

  if (cnt == 1000)
    puts ("aio_read test ok");

  /* Remove the test file contents.  */
  if (ftruncate64 (fd, 0) < 0)
    {
      error (0, errno, "ftruncate failed\n");
      result = 1;
    }

  /* Test lio_listio.  */
  for (cnt = 0; cnt < 10; ++cnt)
    {
      cbs[cnt].aio_lio_opcode = LIO_WRITE;
      cbp[cnt] = &cbs[cnt];
    }
  /* Issue the command.  */
  lio_listio64 (LIO_WAIT, cbp, 10, NULL);
  /* ...and immediately test it since we started it in wait mode.  */
  result |= test_file (buf, sizeof (buf), fd, "lio_listio (write)");

  /* Test aio_fsync.  */
  cbs_fsync.aio_fildes = fd;
  cbs_fsync.aio_sigevent.sigev_notify = SIGEV_NONE;
  cbp_fsync[0] = &cbs_fsync;

  /* Remove the test file contents first.  */
  if (ftruncate64 (fd, 0) < 0)
    {
      error (0, errno, "ftruncate failed\n");
      result = 1;
    }

  /* Write again.  */
  for (cnt = 10; cnt > 0; )
    aio_write64 (cbp[--cnt]);

  if (aio_fsync64 (O_SYNC, &cbs_fsync) < 0)
    {
      error (0, errno, "aio_fsync failed\n");
      result = 1;
    }
  result |= do_wait (cbp_fsync, 1, 0);

  /* ...and test since all data should be on disk now.  */
  result |= test_file (buf, sizeof (buf), fd, "aio_fsync (aio_write)");

  /* Test aio_cancel.  */
  /* Remove the test file contents first.  */
  if (ftruncate64 (fd, 0) < 0)
    {
      error (0, errno, "ftruncate failed\n");
      result = 1;
    }

  /* Write again.  */
  for (cnt = 10; cnt > 0; )
    aio_write64 (cbp[--cnt]);

  /* Cancel all requests.  */
  if (aio_cancel64 (fd, NULL) == -1)
    printf ("aio_cancel64 (fd, NULL) cannot cancel anything\n");

  result |= do_wait (cbp, 10, ECANCELED);

  /* Another test for aio_cancel.  */
  /* Remove the test file contents first.  */
  if (ftruncate64 (fd, 0) < 0)
    {
      error (0, errno, "ftruncate failed\n");
      result = 1;
    }

  /* Write again.  */
  for (cnt = 10; cnt > 0; )
    {
      --cnt;
      cbp[cnt] = &cbs[cnt];
      aio_write64 (cbp[cnt]);
    }
  puts ("finished3");

  /* Cancel all requests.  */
  for (cnt = 10; cnt > 0; )
    if (aio_cancel64 (fd, cbp[--cnt]) == -1)
      /* This is not an error.  The request can simply be finished.  */
      printf ("aio_cancel64 (fd, cbp[%Zd]) cannot be canceled\n", cnt);
  puts ("finished2");

  result |= do_wait (cbp, 10, ECANCELED);

  puts ("finished");

  return result;
}
Commit	Line	Data
b85697f6	1	/* Tests for 64bit AIO in librt.
04277e02	2	Copyright (C) 1998-2019 Free Software Foundation, Inc.
41bdb6e2	3	This file is part of the GNU C Library.
b85697f6 UD	4	Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
	5
	6	The GNU C Library is free software; you can redistribute it and/or
41bdb6e2 AJ	7	modify it under the terms of the GNU Lesser General Public
	8	License as published by the Free Software Foundation; either
	9	version 2.1 of the License, or (at your option) any later version.
b85697f6 UD	10
	11	The GNU C Library is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41bdb6e2	14	Lesser General Public License for more details.
b85697f6	15
41bdb6e2	16	You should have received a copy of the GNU Lesser General Public
59ba27a6	17	License along with the GNU C Library; if not, see
5a82c748	18	<https://www.gnu.org/licenses/>. */
b85697f6 UD	19
	20	#define _LARGEFILE_SOURCE 1
	21	#include <aio.h>
	22	#include <errno.h>
	23	#include <error.h>
84ad622b	24	#include <fcntl.h>
b85697f6 UD	25	#include <stdlib.h>
	26	#include <string.h>
	27	#include <unistd.h>
	28	#include <sys/stat.h>
	29
	30
	31	/* Prototype for our test function. */
	32	extern void do_prepare (int argc, char *argv[]);
	33	extern int do_test (int argc, char *argv[]);
	34
	35	/* We have a preparation function. */
	36	#define PREPARE do_prepare
	37
b85697f6 UD	38	/* This defines the `main' function and some more. */
	39	#include <test-skeleton.c>
	40
	41
	42	/* These are for the temporary file we generate. */
	43	char *name;
	44	int fd;
	45
	46	void
	47	do_prepare (int argc, char *argv[])
	48	{
30aa5785	49	size_t name_len;
b85697f6 UD	50
b85697f6 UD	51	name_len = strlen (test_dir);
0677af20	52	name = xmalloc (name_len + sizeof ("/aioXXXXXX"));
b85697f6 UD	53	mempcpy (mempcpy (name, test_dir, name_len),
b85697f6 UD	54	"/aioXXXXXX", sizeof ("/aioXXXXXX"));
b85697f6 UD	55
	56	/* Open our test file. */
	57	fd = mkstemp (name);
	58	if (fd == -1)
	59	error (EXIT_FAILURE, errno, "cannot open test file `%s'", name);
cf145565	60	add_temp_file (name);
b85697f6 UD	61	}
	62
	63
f71bc3ba	64	static int
b85697f6 UD	65	test_file (const void buf, size_t size, int fd, const char msg)
	66	{
	67	struct stat st;
	68	char tmp[size];
	69
	70	errno = 0;
	71	if (fstat (fd, &st) < 0)
	72	{
	73	error (0, errno, "%s: failed stat", msg);
	74	return 1;
	75	}
	76
57b36a0a	77	if (st.st_size != (off_t) size)
b85697f6 UD	78	{
	79	error (0, errno, "%s: wrong size: %lu, should be %lu",
	80	msg, (unsigned long int) st.st_size, (unsigned long int) size);
	81	return 1;
	82	}
	83
57b36a0a	84	if (pread (fd, tmp, size, 0) != (ssize_t) size)
b85697f6	85	{
9881cbf8	86	error (0, errno, "%s: failed pread", msg);
b85697f6 UD	87	return 1;
	88	}
	89
	90	if (memcmp (buf, tmp, size) != 0)
	91	{
	92	error (0, errno, "%s: failed comparison", msg);
	93	return 1;
	94	}
	95
	96	printf ("%s test ok\n", msg);
	97
	98	return 0;
	99	}
	100
	101
f71bc3ba	102	static int
46bdb694	103	do_wait (struct aiocb64 **cbp, size_t nent, int allowed_err)
b85697f6 UD	104	{
b85697f6 UD	105	int go_on;
46bdb694 AJ	106	size_t cnt;
	107	int result = 0;
	108
b85697f6 UD	109	do
b85697f6 UD	110	{
b85697f6 UD	111	aio_suspend64 ((const struct aiocb64 const ) cbp, nent, NULL);
	112	go_on = 0;
	113	for (cnt = 0; cnt < nent; ++cnt)
46bdb694 AJ	114	if (cbp[cnt] != NULL)
	115	{
	116	if (aio_error64 (cbp[cnt]) == EINPROGRESS)
	117	go_on = 1;
	118	else
	119	{
	120	if (aio_return64 (cbp[cnt]) == -1
	121	&& (allowed_err == 0
	122	\|\| aio_error64 (cbp[cnt]) != allowed_err))
	123	{
	124	error (0, aio_error64 (cbp[cnt]), "Operation failed\n");
	125	result = 1;
	126	}
	127	cbp[cnt] = NULL;
	128	}
	129	}
b85697f6 UD	130	}
b85697f6 UD	131	while (go_on);
46bdb694 AJ	132
46bdb694 AJ	133	return result;
b85697f6 UD	134	}
	135
	136
	137	int
	138	do_test (int argc, char *argv[])
	139	{
	140	struct aiocb64 cbs[10];
46bdb694	141	struct aiocb64 cbs_fsync;
b85697f6	142	struct aiocb64 *cbp[10];
46bdb694	143	struct aiocb64 *cbp_fsync[1];
b85697f6 UD	144	char buf[1000];
	145	size_t cnt;
	146	int result = 0;
	147
	148	/* Preparation. */
	149	for (cnt = 0; cnt < 10; ++cnt)
	150	{
	151	cbs[cnt].aio_fildes = fd;
	152	cbs[cnt].aio_reqprio = 0;
	153	cbs[cnt].aio_buf = memset (&buf[cnt * 100], '0' + cnt, 100);
	154	cbs[cnt].aio_nbytes = 100;
	155	cbs[cnt].aio_offset = cnt * 100;
	156	cbs[cnt].aio_sigevent.sigev_notify = SIGEV_NONE;
	157
	158	cbp[cnt] = &cbs[cnt];
	159	}
	160
	161	/* First a simple test. */
	162	for (cnt = 10; cnt > 0; )
ffa8d2a0 RM	163	if (aio_write64 (cbp[--cnt]) < 0 && errno == ENOSYS)
	164	{
	165	error (0, 0, "no aio support in this configuration");
	166	return 0;
	167	}
b85697f6	168	/* Wait 'til the results are there. */
46bdb694	169	result \|= do_wait (cbp, 10, 0);
b85697f6 UD	170	/* Test this. */
	171	result \|= test_file (buf, sizeof (buf), fd, "aio_write");
	172
	173	/* Read now as we've written it. */
	174	memset (buf, '\0', sizeof (buf));
	175	/* Issue the commands. */
	176	for (cnt = 10; cnt > 0; )
	177	{
	178	--cnt;
	179	cbp[cnt] = &cbs[cnt];
	180	aio_read64 (cbp[cnt]);
	181	}
	182	/* Wait 'til the results are there. */
46bdb694	183	result \|= do_wait (cbp, 10, 0);
b85697f6 UD	184	/* Test this. */
	185	for (cnt = 0; cnt < 1000; ++cnt)
	186	if (buf[cnt] != '0' + (cnt / 100))
	187	{
	188	result = 1;
	189	error (0, 0, "comparison failed for aio_read test");
	190	break;
	191	}
	192
	193	if (cnt == 1000)
	194	puts ("aio_read test ok");
	195
	196	/* Remove the test file contents. */
	197	if (ftruncate64 (fd, 0) < 0)
	198	{
	199	error (0, errno, "ftruncate failed\n");
	200	result = 1;
	201	}
	202
	203	/* Test lio_listio. */
	204	for (cnt = 0; cnt < 10; ++cnt)
	205	{
	206	cbs[cnt].aio_lio_opcode = LIO_WRITE;
	207	cbp[cnt] = &cbs[cnt];
	208	}
	209	/* Issue the command. */
	210	lio_listio64 (LIO_WAIT, cbp, 10, NULL);
	211	/* ...and immediately test it since we started it in wait mode. */
	212	result \|= test_file (buf, sizeof (buf), fd, "lio_listio (write)");
	213
46bdb694 AJ	214	/* Test aio_fsync. */
	215	cbs_fsync.aio_fildes = fd;
	216	cbs_fsync.aio_sigevent.sigev_notify = SIGEV_NONE;
	217	cbp_fsync[0] = &cbs_fsync;
	218
	219	/* Remove the test file contents first. */
	220	if (ftruncate64 (fd, 0) < 0)
	221	{
	222	error (0, errno, "ftruncate failed\n");
	223	result = 1;
	224	}
	225
	226	/* Write again. */
	227	for (cnt = 10; cnt > 0; )
	228	aio_write64 (cbp[--cnt]);
	229
	230	if (aio_fsync64 (O_SYNC, &cbs_fsync) < 0)
	231	{
	232	error (0, errno, "aio_fsync failed\n");
	233	result = 1;
	234	}
	235	result \|= do_wait (cbp_fsync, 1, 0);
	236
	237	/* ...and test since all data should be on disk now. */
	238	result \|= test_file (buf, sizeof (buf), fd, "aio_fsync (aio_write)");
	239
	240	/* Test aio_cancel. */
	241	/* Remove the test file contents first. */
	242	if (ftruncate64 (fd, 0) < 0)
	243	{
	244	error (0, errno, "ftruncate failed\n");
	245	result = 1;
	246	}
	247
	248	/* Write again. */
	249	for (cnt = 10; cnt > 0; )
	250	aio_write64 (cbp[--cnt]);
	251
	252	/* Cancel all requests. */
	253	if (aio_cancel64 (fd, NULL) == -1)
	254	printf ("aio_cancel64 (fd, NULL) cannot cancel anything\n");
	255
	256	result \|= do_wait (cbp, 10, ECANCELED);
	257
	258	/* Another test for aio_cancel. */
	259	/* Remove the test file contents first. */
	260	if (ftruncate64 (fd, 0) < 0)
	261	{
	262	error (0, errno, "ftruncate failed\n");
	263	result = 1;
	264	}
	265
	266	/* Write again. */
	267	for (cnt = 10; cnt > 0; )
	268	{
	269	--cnt;
	270	cbp[cnt] = &cbs[cnt];
	271	aio_write64 (cbp[cnt]);
	272	}
	273	puts ("finished3");
	274
	275	/* Cancel all requests. */
	276	for (cnt = 10; cnt > 0; )
	277	if (aio_cancel64 (fd, cbp[--cnt]) == -1)
278	/* This is not an error. The request can simply be finished. */
279	printf ("aio_cancel64 (fd, cbp[%Zd]) cannot be canceled\n", cnt);
280	puts ("finished2");
281
282	result \|= do_wait (cbp, 10, ECANCELED);
283
284	puts ("finished");
285
b85697f6 UD	286	return result;
b85697f6 UD	287	}