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

/* Tests for 64bit AIO in librt.
   Copyright (C) 1998, 1999, 2000 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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#define _LARGEFILE_SOURCE 1
#include <aio.h>
#include <errno.h>
#include <error.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[])
{
  char name_len;

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

  /* Open our test file.   */
  fd = mkstemp (name);
  if (fd == -1)
    error (EXIT_FAILURE, errno, "cannot open test file `%s'", 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 != 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) != 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; )
    aio_write64 (cbp[--cnt]);
  /* 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.
9881cbf8	2	Copyright (C) 1998, 1999, 2000 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 AJ	16	You should have received a copy of the GNU Lesser General Public
	17	License along with the GNU C Library; if not, write to the Free
	18	Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
	19	02111-1307 USA. */
b85697f6 UD	20
	21	#define _LARGEFILE_SOURCE 1
	22	#include <aio.h>
	23	#include <errno.h>
	24	#include <error.h>
	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	{
	52	char name_len;
	53
	54	name_len = strlen (test_dir);
	55	name = malloc (name_len + sizeof ("/aioXXXXXX"));
	56	mempcpy (mempcpy (name, test_dir, name_len),
	57	"/aioXXXXXX", sizeof ("/aioXXXXXX"));
	58	add_temp_file (name);
	59
	60	/* Open our test file. */
	61	fd = mkstemp (name);
	62	if (fd == -1)
	63	error (EXIT_FAILURE, errno, "cannot open test file `%s'", name);
	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
	80	if (st.st_size != size)
	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
	87	if (pread (fd, tmp, size, 0) != size)
	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; )
	166	aio_write64 (cbp[--cnt]);
	167	/* Wait 'til the results are there. */
46bdb694	168	result \|= do_wait (cbp, 10, 0);
b85697f6 UD	169	/* Test this. */
	170	result \|= test_file (buf, sizeof (buf), fd, "aio_write");
	171
	172	/* Read now as we've written it. */
	173	memset (buf, '\0', sizeof (buf));
	174	/* Issue the commands. */
	175	for (cnt = 10; cnt > 0; )
	176	{
	177	--cnt;
	178	cbp[cnt] = &cbs[cnt];
	179	aio_read64 (cbp[cnt]);
	180	}
	181	/* Wait 'til the results are there. */
46bdb694	182	result \|= do_wait (cbp, 10, 0);
b85697f6 UD	183	/* Test this. */
	184	for (cnt = 0; cnt < 1000; ++cnt)
	185	if (buf[cnt] != '0' + (cnt / 100))
	186	{
	187	result = 1;
	188	error (0, 0, "comparison failed for aio_read test");
	189	break;
	190	}
	191
	192	if (cnt == 1000)
	193	puts ("aio_read test ok");
	194
	195	/* Remove the test file contents. */
	196	if (ftruncate64 (fd, 0) < 0)
	197	{
	198	error (0, errno, "ftruncate failed\n");
	199	result = 1;
	200	}
	201
	202	/* Test lio_listio. */
	203	for (cnt = 0; cnt < 10; ++cnt)
	204	{
	205	cbs[cnt].aio_lio_opcode = LIO_WRITE;
	206	cbp[cnt] = &cbs[cnt];
	207	}
	208	/* Issue the command. */
	209	lio_listio64 (LIO_WAIT, cbp, 10, NULL);
	210	/* ...and immediately test it since we started it in wait mode. */
	211	result \|= test_file (buf, sizeof (buf), fd, "lio_listio (write)");
	212
46bdb694 AJ	213	/* Test aio_fsync. */
	214	cbs_fsync.aio_fildes = fd;
	215	cbs_fsync.aio_sigevent.sigev_notify = SIGEV_NONE;
	216	cbp_fsync[0] = &cbs_fsync;
	217
	218	/* Remove the test file contents first. */
	219	if (ftruncate64 (fd, 0) < 0)
	220	{
	221	error (0, errno, "ftruncate failed\n");
	222	result = 1;
	223	}
	224
	225	/* Write again. */
	226	for (cnt = 10; cnt > 0; )
	227	aio_write64 (cbp[--cnt]);
	228
	229	if (aio_fsync64 (O_SYNC, &cbs_fsync) < 0)
	230	{
	231	error (0, errno, "aio_fsync failed\n");
	232	result = 1;
	233	}
	234	result \|= do_wait (cbp_fsync, 1, 0);
	235
	236	/* ...and test since all data should be on disk now. */
	237	result \|= test_file (buf, sizeof (buf), fd, "aio_fsync (aio_write)");
	238
	239	/* Test aio_cancel. */
	240	/* Remove the test file contents first. */
	241	if (ftruncate64 (fd, 0) < 0)
	242	{
	243	error (0, errno, "ftruncate failed\n");
	244	result = 1;
	245	}
	246
	247	/* Write again. */
	248	for (cnt = 10; cnt > 0; )
	249	aio_write64 (cbp[--cnt]);
	250
	251	/* Cancel all requests. */
	252	if (aio_cancel64 (fd, NULL) == -1)
	253	printf ("aio_cancel64 (fd, NULL) cannot cancel anything\n");
	254
	255	result \|= do_wait (cbp, 10, ECANCELED);
	256
	257	/* Another test for aio_cancel. */
	258	/* Remove the test file contents first. */
	259	if (ftruncate64 (fd, 0) < 0)
	260	{
	261	error (0, errno, "ftruncate failed\n");
	262	result = 1;
	263	}
	264
	265	/* Write again. */
	266	for (cnt = 10; cnt > 0; )
	267	{
	268	--cnt;
	269	cbp[cnt] = &cbs[cnt];
	270	aio_write64 (cbp[cnt]);
	271	}
	272	puts ("finished3");
	273
	274	/* Cancel all requests. */
	275	for (cnt = 10; cnt > 0; )
	276	if (aio_cancel64 (fd, cbp[--cnt]) == -1)
277	/* This is not an error. The request can simply be finished. */
278	printf ("aio_cancel64 (fd, cbp[%Zd]) cannot be canceled\n", cnt);
279	puts ("finished2");
280
281	result \|= do_wait (cbp, 10, ECANCELED);
282
283	puts ("finished");
284
b85697f6 UD	285	return result;
b85697f6 UD	286	}