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

/* Tests for 64bit AIO in librt.
   Copyright (C) 1998-2017 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
   <http://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

/* We might need a bit longer timeout.  */
#define TIMEOUT 20 /* sec */

/* 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.
bfff8b1b	2	Copyright (C) 1998-2017 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 PE	17	License along with the GNU C Library; if not, see
59ba27a6 PE	18	<http://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
	38	/* We might need a bit longer timeout. */
	39	#define TIMEOUT 20 /* sec */
	40
	41	/* This defines the `main' function and some more. */
	42	#include <test-skeleton.c>
	43
	44
	45	/* These are for the temporary file we generate. */
	46	char *name;
	47	int fd;
	48
	49	void
	50	do_prepare (int argc, char *argv[])
	51	{
30aa5785	52	size_t name_len;
b85697f6 UD	53
b85697f6 UD	54	name_len = strlen (test_dir);
0677af20	55	name = xmalloc (name_len + sizeof ("/aioXXXXXX"));
b85697f6 UD	56	mempcpy (mempcpy (name, test_dir, name_len),
b85697f6 UD	57	"/aioXXXXXX", sizeof ("/aioXXXXXX"));
b85697f6 UD	58
	59	/* Open our test file. */
	60	fd = mkstemp (name);
	61	if (fd == -1)
	62	error (EXIT_FAILURE, errno, "cannot open test file `%s'", name);
cf145565	63	add_temp_file (name);
b85697f6 UD	64	}
	65
	66
f71bc3ba	67	static int
b85697f6 UD	68	test_file (const void buf, size_t size, int fd, const char msg)
	69	{
	70	struct stat st;
	71	char tmp[size];
	72
	73	errno = 0;
	74	if (fstat (fd, &st) < 0)
	75	{
	76	error (0, errno, "%s: failed stat", msg);
	77	return 1;
	78	}
	79
57b36a0a	80	if (st.st_size != (off_t) size)
b85697f6 UD	81	{
	82	error (0, errno, "%s: wrong size: %lu, should be %lu",
	83	msg, (unsigned long int) st.st_size, (unsigned long int) size);
	84	return 1;
	85	}
	86
57b36a0a	87	if (pread (fd, tmp, size, 0) != (ssize_t) size)
b85697f6	88	{
9881cbf8	89	error (0, errno, "%s: failed pread", msg);
b85697f6 UD	90	return 1;
	91	}
	92
	93	if (memcmp (buf, tmp, size) != 0)
	94	{
	95	error (0, errno, "%s: failed comparison", msg);
	96	return 1;
	97	}
	98
	99	printf ("%s test ok\n", msg);
	100
	101	return 0;
	102	}
	103
	104
f71bc3ba	105	static int
46bdb694	106	do_wait (struct aiocb64 **cbp, size_t nent, int allowed_err)
b85697f6 UD	107	{
b85697f6 UD	108	int go_on;
46bdb694 AJ	109	size_t cnt;
	110	int result = 0;
	111
b85697f6 UD	112	do
b85697f6 UD	113	{
b85697f6 UD	114	aio_suspend64 ((const struct aiocb64 const ) cbp, nent, NULL);
	115	go_on = 0;
	116	for (cnt = 0; cnt < nent; ++cnt)
46bdb694 AJ	117	if (cbp[cnt] != NULL)
	118	{
	119	if (aio_error64 (cbp[cnt]) == EINPROGRESS)
	120	go_on = 1;
	121	else
	122	{
	123	if (aio_return64 (cbp[cnt]) == -1
	124	&& (allowed_err == 0
	125	\|\| aio_error64 (cbp[cnt]) != allowed_err))
	126	{
	127	error (0, aio_error64 (cbp[cnt]), "Operation failed\n");
	128	result = 1;
	129	}
	130	cbp[cnt] = NULL;
	131	}
	132	}
b85697f6 UD	133	}
b85697f6 UD	134	while (go_on);
46bdb694 AJ	135
46bdb694 AJ	136	return result;
b85697f6 UD	137	}
	138
	139
	140	int
	141	do_test (int argc, char *argv[])
	142	{
	143	struct aiocb64 cbs[10];
46bdb694	144	struct aiocb64 cbs_fsync;
b85697f6	145	struct aiocb64 *cbp[10];
46bdb694	146	struct aiocb64 *cbp_fsync[1];
b85697f6 UD	147	char buf[1000];
	148	size_t cnt;
	149	int result = 0;
	150
	151	/* Preparation. */
	152	for (cnt = 0; cnt < 10; ++cnt)
	153	{
	154	cbs[cnt].aio_fildes = fd;
	155	cbs[cnt].aio_reqprio = 0;
	156	cbs[cnt].aio_buf = memset (&buf[cnt * 100], '0' + cnt, 100);
	157	cbs[cnt].aio_nbytes = 100;
	158	cbs[cnt].aio_offset = cnt * 100;
	159	cbs[cnt].aio_sigevent.sigev_notify = SIGEV_NONE;
	160
	161	cbp[cnt] = &cbs[cnt];
	162	}
	163
	164	/* First a simple test. */
	165	for (cnt = 10; cnt > 0; )
ffa8d2a0 RM	166	if (aio_write64 (cbp[--cnt]) < 0 && errno == ENOSYS)
	167	{
	168	error (0, 0, "no aio support in this configuration");
	169	return 0;
	170	}
b85697f6	171	/* Wait 'til the results are there. */
46bdb694	172	result \|= do_wait (cbp, 10, 0);
b85697f6 UD	173	/* Test this. */
	174	result \|= test_file (buf, sizeof (buf), fd, "aio_write");
	175
	176	/* Read now as we've written it. */
	177	memset (buf, '\0', sizeof (buf));
	178	/* Issue the commands. */
	179	for (cnt = 10; cnt > 0; )
	180	{
	181	--cnt;
	182	cbp[cnt] = &cbs[cnt];
	183	aio_read64 (cbp[cnt]);
	184	}
	185	/* Wait 'til the results are there. */
46bdb694	186	result \|= do_wait (cbp, 10, 0);
b85697f6 UD	187	/* Test this. */
	188	for (cnt = 0; cnt < 1000; ++cnt)
	189	if (buf[cnt] != '0' + (cnt / 100))
	190	{
	191	result = 1;
	192	error (0, 0, "comparison failed for aio_read test");
	193	break;
	194	}
	195
	196	if (cnt == 1000)
	197	puts ("aio_read test ok");
	198
	199	/* Remove the test file contents. */
	200	if (ftruncate64 (fd, 0) < 0)
	201	{
	202	error (0, errno, "ftruncate failed\n");
	203	result = 1;
	204	}
	205
	206	/* Test lio_listio. */
	207	for (cnt = 0; cnt < 10; ++cnt)
	208	{
	209	cbs[cnt].aio_lio_opcode = LIO_WRITE;
	210	cbp[cnt] = &cbs[cnt];
	211	}
	212	/* Issue the command. */
	213	lio_listio64 (LIO_WAIT, cbp, 10, NULL);
	214	/* ...and immediately test it since we started it in wait mode. */
	215	result \|= test_file (buf, sizeof (buf), fd, "lio_listio (write)");
	216
46bdb694 AJ	217	/* Test aio_fsync. */
	218	cbs_fsync.aio_fildes = fd;
	219	cbs_fsync.aio_sigevent.sigev_notify = SIGEV_NONE;
	220	cbp_fsync[0] = &cbs_fsync;
	221
	222	/* Remove the test file contents first. */
	223	if (ftruncate64 (fd, 0) < 0)
	224	{
	225	error (0, errno, "ftruncate failed\n");
	226	result = 1;
	227	}
	228
	229	/* Write again. */
	230	for (cnt = 10; cnt > 0; )
	231	aio_write64 (cbp[--cnt]);
	232
	233	if (aio_fsync64 (O_SYNC, &cbs_fsync) < 0)
	234	{
	235	error (0, errno, "aio_fsync failed\n");
	236	result = 1;
	237	}
	238	result \|= do_wait (cbp_fsync, 1, 0);
	239
	240	/* ...and test since all data should be on disk now. */
	241	result \|= test_file (buf, sizeof (buf), fd, "aio_fsync (aio_write)");
	242
	243	/* Test aio_cancel. */
	244	/* Remove the test file contents first. */
	245	if (ftruncate64 (fd, 0) < 0)
	246	{
	247	error (0, errno, "ftruncate failed\n");
	248	result = 1;
	249	}
	250
	251	/* Write again. */
	252	for (cnt = 10; cnt > 0; )
	253	aio_write64 (cbp[--cnt]);
	254
	255	/* Cancel all requests. */
	256	if (aio_cancel64 (fd, NULL) == -1)
	257	printf ("aio_cancel64 (fd, NULL) cannot cancel anything\n");
	258
	259	result \|= do_wait (cbp, 10, ECANCELED);
	260
	261	/* Another test for aio_cancel. */
	262	/* Remove the test file contents first. */
	263	if (ftruncate64 (fd, 0) < 0)
	264	{
	265	error (0, errno, "ftruncate failed\n");
	266	result = 1;
	267	}
	268
	269	/* Write again. */
	270	for (cnt = 10; cnt > 0; )
	271	{
	272	--cnt;
	273	cbp[cnt] = &cbs[cnt];
	274	aio_write64 (cbp[cnt]);
	275	}
	276	puts ("finished3");
	277
	278	/* Cancel all requests. */
	279	for (cnt = 10; cnt > 0; )
	280	if (aio_cancel64 (fd, cbp[--cnt]) == -1)
281	/* This is not an error. The request can simply be finished. */
282	printf ("aio_cancel64 (fd, cbp[%Zd]) cannot be canceled\n", cnt);
283	puts ("finished2");
284
285	result \|= do_wait (cbp, 10, ECANCELED);
286
287	puts ("finished");
288
b85697f6 UD	289	return result;
b85697f6 UD	290	}