tests/fcntl-common.c - platform/external/strace.git - Git at Google

 /*
  * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
  * Copyright (c) 2015-2018 The strace developers.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. The name of the author may not be used to endorse or promote products
  *    derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 #include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 #include <assert.h>
 #include "flock.h"

 #define FILE_LEN 4096

 #define TEST_FLOCK_EINVAL(cmd) test_flock_einval(cmd, #cmd)
 #define TEST_FLOCK64_EINVAL(cmd) test_flock64_einval(cmd, #cmd)

 #ifdef HAVE_TYPEOF
 # define TYPEOF_FLOCK_OFF_T typeof(((struct_kernel_flock *) NULL)->l_len)
 #else
 # define TYPEOF_FLOCK_OFF_T off_t
 #endif

 static const char *errstr;

 static long
 invoke_test_syscall(const unsigned int fd, const unsigned int cmd, void *const p)
 {
 	const kernel_ulong_t kfd = F8ILL_KULONG_MASK | fd;
 	const kernel_ulong_t op = F8ILL_KULONG_MASK | cmd;

 	long rc = syscall(TEST_SYSCALL_NR, kfd, op, (uintptr_t) p);
 	errstr = sprintrc(rc);
 	return rc;
 }

 static void
 test_flock_einval(const int cmd, const char *name)
 {
 	TAIL_ALLOC_OBJECT_CONST_PTR(struct_kernel_flock, fl);
 	memset(fl, 0, sizeof(*fl));
 	fl->l_type = F_RDLCK;
 	fl->l_start = (TYPEOF_FLOCK_OFF_T) 0xdefaced1facefeedULL;
 	fl->l_len = (TYPEOF_FLOCK_OFF_T) 0xdefaced2cafef00dULL;

 	invoke_test_syscall(0, cmd, fl);
 	printf("%s(0, %s, {l_type=F_RDLCK, l_whence=SEEK_SET"
 	       ", l_start=%jd, l_len=%jd}) = %s\n", TEST_SYSCALL_STR, name,
 	       (intmax_t) fl->l_start, (intmax_t) fl->l_len, errstr);

 	void *const bad_addr = (void *) fl + 1;
 	invoke_test_syscall(0, cmd, bad_addr);
 	printf("%s(0, %s, %p) = %s\n",
 	       TEST_SYSCALL_STR, name, bad_addr, errstr);
 }

 /*
  * This function is not declared static to avoid potential
  * "defined but not used" warning when included by fcntl.c
  */
 void
 test_flock64_einval(const int cmd, const char *name)
 {
 	TAIL_ALLOC_OBJECT_CONST_PTR(struct_kernel_flock64, fl);
 	memset(fl, 0, sizeof(*fl));
 	fl->l_type = F_RDLCK;
 	fl->l_start = (TYPEOF_FLOCK_OFF_T) 0xdefaced1facefeedULL;
 	fl->l_len = (TYPEOF_FLOCK_OFF_T) 0xdefaced2cafef00dULL;

 	invoke_test_syscall(0, cmd, fl);
 	printf("%s(0, %s, {l_type=F_RDLCK, l_whence=SEEK_SET"
 	       ", l_start=%jd, l_len=%jd}) = %s\n", TEST_SYSCALL_STR, name,
 	       (intmax_t) fl->l_start, (intmax_t) fl->l_len, errstr);

 	void *const bad_addr = (void *) fl + 1;
 	invoke_test_syscall(0, cmd, bad_addr);
 	printf("%s(0, %s, %p) = %s\n",
 	       TEST_SYSCALL_STR, name, bad_addr, errstr);
 }

 static void
 test_flock(void)
 {
 	TEST_FLOCK_EINVAL(F_SETLK);
 	TEST_FLOCK_EINVAL(F_SETLKW);

 	TAIL_ALLOC_OBJECT_CONST_PTR(struct_kernel_flock, fl);
 	memset(fl, 0, sizeof(*fl));
 	fl->l_type = F_RDLCK;
 	fl->l_len = FILE_LEN;

 	long rc = invoke_test_syscall(0, F_SETLK, fl);
 	printf("%s(0, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET"
 	       ", l_start=0, l_len=%d}) = %s\n",
 	       TEST_SYSCALL_STR, FILE_LEN, errstr);
 	if (rc)
 		return;

 	invoke_test_syscall(0, F_GETLK, fl);
 	printf("%s(0, F_GETLK, {l_type=F_UNLCK, l_whence=SEEK_SET"
 	       ", l_start=0, l_len=%d, l_pid=0}) = 0\n",
 	       TEST_SYSCALL_STR, FILE_LEN);

 	invoke_test_syscall(0, F_SETLKW, fl);
 	printf("%s(0, F_SETLKW, {l_type=F_UNLCK, l_whence=SEEK_SET"
 	       ", l_start=0, l_len=%d}) = 0\n",
 	       TEST_SYSCALL_STR, FILE_LEN);
 }

 static void
 test_flock64_ofd(void)
 {
 #if defined F_OFD_GETLK && defined F_OFD_SETLK && defined F_OFD_SETLKW
 	TEST_FLOCK64_EINVAL(F_OFD_SETLK);
 	TEST_FLOCK64_EINVAL(F_OFD_SETLKW);

 	TAIL_ALLOC_OBJECT_CONST_PTR(struct_kernel_flock64, fl);
 	memset(fl, 0, sizeof(*fl));
 	fl->l_type = F_RDLCK;
 	fl->l_len = FILE_LEN;

 	long rc = invoke_test_syscall(0, F_OFD_SETLK, fl);
 	printf("%s(0, F_OFD_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET"
 	       ", l_start=0, l_len=%d}) = %s\n",
 	       TEST_SYSCALL_STR, FILE_LEN, errstr);
 	if (rc)
 		return;

 	invoke_test_syscall(0, F_OFD_GETLK, fl);
 	printf("%s(0, F_OFD_GETLK, {l_type=F_UNLCK, l_whence=SEEK_SET"
 	       ", l_start=0, l_len=%d, l_pid=0}) = 0\n",
 	       TEST_SYSCALL_STR, FILE_LEN);

 	invoke_test_syscall(0, F_OFD_SETLKW, fl);
 	printf("%s(0, F_OFD_SETLKW, {l_type=F_UNLCK, l_whence=SEEK_SET"
 	       ", l_start=0, l_len=%d}) = 0\n",
 	       TEST_SYSCALL_STR, FILE_LEN);
 #endif /* F_OFD_GETLK && F_OFD_SETLK && F_OFD_SETLKW */
 }

 static void test_flock64_lk64(void);

 static void
 test_flock64(void)
 {
 	test_flock64_ofd();
 	test_flock64_lk64();
 }

 /*
  * F_[GS]ETOWN_EX had conflicting values with F_[SG]ETLK64
  * in kernel revisions v2.6.32-rc1~96..v2.6.32-rc7~23.
  */
 #undef TEST_F_OWNER_EX
 #if defined F_GETOWN_EX && defined F_SETOWN_EX \
  && (F_GETOWN_EX != F_SETLK64) && (F_SETOWN_EX != F_GETLK64)
 # define TEST_F_OWNER_EX
 #endif

 #ifdef TEST_F_OWNER_EX
 # include "f_owner_ex.h"

 static long
 test_f_owner_ex_type_pid(const int cmd, const char *const cmd_name,
 			 const int type, const char *const type_name,
 			 pid_t pid)
 {
 	TAIL_ALLOC_OBJECT_CONST_PTR(struct_kernel_f_owner_ex, fo);

 	fo->type = type;
 	fo->pid = pid;
 	long rc = invoke_test_syscall(0, cmd, fo);
 	printf("%s(0, %s, {type=%s, pid=%d}) = %s\n",
 	       TEST_SYSCALL_STR, cmd_name, type_name, fo->pid, errstr);

 	void *bad_addr = (void *) fo + 1;
 	invoke_test_syscall(0, cmd, bad_addr);
 	printf("%s(0, %s, %p) = %s\n",
 	       TEST_SYSCALL_STR, cmd_name, bad_addr, errstr);

 	return rc;
 }

 static void
 test_f_owner_ex_umove_or_printaddr(const int type, const char *const type_name,
 				   pid_t pid)
 {
 	long rc = test_f_owner_ex_type_pid(ARG_STR(F_SETOWN_EX),
 					   type, type_name, pid);
 	if (!rc)
 		test_f_owner_ex_type_pid(ARG_STR(F_GETOWN_EX),
 					 type, type_name, pid);
 }

 static void
 test_f_owner_ex(void)
 {
 	static const struct {
 		int type;
 		const char *type_name;
 		pid_t pid[2];
 	} a[] = {
 		{ ARG_STR(F_OWNER_TID), { 1234567890, 20 } },
 		{ ARG_STR(F_OWNER_PID), { 1298126790, 30 } },
 		{ ARG_STR(F_OWNER_PGRP), { 1294567890, 40 } }
 	};

 	for (unsigned int i = 0; i < ARRAY_SIZE(a); i++) {
 		for (unsigned int j = 0; j < ARRAY_SIZE(a[0].pid); j++) {
 			test_f_owner_ex_umove_or_printaddr(a[i].type,
 							   a[i].type_name,
 							   a[i].pid[j]);
 		}
 	}
 }
 #endif /* TEST_F_OWNER_EX */

 struct fcntl_cmd_check {
 	int fd;
 	int cmd;
 	const char *cmd_str;
 	long arg;
 	const char *arg_str;
 	void (*print_flags)(long rc);
 };

 static void
 print_retval_flags(const struct fcntl_cmd_check *check, long rc)
 {
 	if (check->print_flags) {
 		check->print_flags(rc);
 	} else {
 		printf("%s", errstr);
 	}
 	printf("\n");
 }

 static void
 test_other_set_cmd(const struct fcntl_cmd_check *check)
 {
 	invoke_test_syscall(check->fd, check->cmd, (void *) check->arg);
 	printf("%s(%d, %s, %s) = %s\n",
 	       TEST_SYSCALL_STR, check->fd,
 	       check->cmd_str, check->arg_str, errstr);

 	/* bad file fd */
 	invoke_test_syscall(-1, check->cmd, (void *) check->arg);
 	printf("%s(-1, %s, %s) = %s\n",
 	       TEST_SYSCALL_STR, check->cmd_str,
 	       check->arg_str, errstr);
 }

 static void
 test_other_get_cmd(const struct fcntl_cmd_check *check)
 {
 	long rc = invoke_test_syscall(check->fd, check->cmd, NULL);
 	printf("%s(%d, %s) = ",
 	       TEST_SYSCALL_STR, check->fd, check->cmd_str);
 	print_retval_flags(check, rc);

 	/* bad file fd */
 	invoke_test_syscall(-1, check->cmd, NULL);
 	printf("%s(-1, %s) = %s\n",
 	       TEST_SYSCALL_STR, check->cmd_str, errstr);
 }

 static void
 print_flags_getfd(long rc)
 {
 	assert(rc >= 0);
 	printf("%#lx%s", rc, rc & 1 ? " (flags FD_CLOEXEC)" : "");
 }

 static void
 print_flags_getsig(long rc)
 {
 	assert(rc >= 0);

 	if (!rc) {
 		printf("%ld", rc);
 	} else {
 		printf("%ld (%s)", rc, signal2name((int) rc));
 	}
 }

 static void
 print_flags_getlease(long rc)
 {
 	assert(rc >= 0);
 	const char *text;

 	switch (rc) {
 	case F_RDLCK:
 		text = "F_RDLCK";
 		break;
 	case F_WRLCK:
 		text = "F_WRLCK";
 		break;
 	case F_UNLCK:
 		text = "F_UNLCK";
 		break;
 	default:
 		error_msg_and_fail("fcntl returned %#lx, does the"
 				   " test have to be updated?", rc);
 	}
 	printf("%#lx (%s)", rc, text);
 }

 static void
 test_fcntl_others(void)
 {
 	static const struct fcntl_cmd_check set_checks[] = {
 		{ 0, ARG_STR(F_SETFD), ARG_STR(FD_CLOEXEC) },
 		{ 0, ARG_STR(F_SETOWN), ARG_STR(20) },
 #ifdef F_SETPIPE_SZ
 		{ 0, ARG_STR(F_SETPIPE_SZ), ARG_STR(4097) },
 #endif
 		{ 0, ARG_STR(F_DUPFD), ARG_STR(0) },
 #ifdef F_DUPFD_CLOEXEC
 		{ 0, ARG_STR(F_DUPFD_CLOEXEC), ARG_STR(0) },
 #endif
 		{ 0, ARG_STR(F_SETFL), ARG_STR(O_RDWR|O_LARGEFILE) },
 		{ 0, ARG_STR(F_NOTIFY), ARG_STR(DN_ACCESS) },
 		{ 1, ARG_STR(F_SETLEASE), ARG_STR(F_RDLCK) },
 		{ 0, ARG_STR(F_SETSIG), 0, "SIG_0" },
 		{ 1, ARG_STR(F_SETSIG), 1, "SIGHUP" }
 	};
 	for (unsigned int i = 0; i < ARRAY_SIZE(set_checks); i++) {
 		test_other_set_cmd(set_checks + i);
 	}

 	static const struct fcntl_cmd_check get_checks[] = {
 		{ 0, ARG_STR(F_GETFD), .print_flags = print_flags_getfd },
 		{ 1, ARG_STR(F_GETFD), .print_flags = print_flags_getfd },
 		{ 0, ARG_STR(F_GETOWN) },
 #ifdef F_GETPIPE_SZ
 		{ 0, ARG_STR(F_GETPIPE_SZ) },
 #endif
 		{ 1, ARG_STR(F_GETLEASE), .print_flags = print_flags_getlease },
 		{ 0, ARG_STR(F_GETSIG), .print_flags = print_flags_getsig },
 		{ 1, ARG_STR(F_GETSIG), .print_flags = print_flags_getsig }
 	};
 	for (unsigned int j = 0; j < ARRAY_SIZE(get_checks); j++) {
 		test_other_get_cmd(get_checks + j);
 	}
 }

 static void
 create_sample(void)
 {
 	char fname[] = TEST_SYSCALL_STR "_XXXXXX";

 	(void) close(0);
 	if (mkstemp(fname))
 		perror_msg_and_fail("mkstemp: %s", fname);
 	if (unlink(fname))
 		perror_msg_and_fail("unlink: %s", fname);
 	if (ftruncate(0, FILE_LEN))
 		perror_msg_and_fail("ftruncate");
 }

 int
 main(void)
 {
 	create_sample();
 	test_flock();
 	test_flock64();
 #ifdef TEST_F_OWNER_EX
 	test_f_owner_ex();
 #endif
 	test_fcntl_others();

 	puts("+++ exited with 0 +++");
 	return 0;
 }
	/*
	* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
	* Copyright (c) 2015-2018 The strace developers.
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	* 3. The name of the author may not be used to endorse or promote products
	* derived from this software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#include <stdio.h>
	#include <stdint.h>
	#include <stdlib.h>
	#include <string.h>
	#include <unistd.h>
	#include <assert.h>
	#include "flock.h"

	#define FILE_LEN 4096

	#define TEST_FLOCK_EINVAL(cmd) test_flock_einval(cmd, #cmd)
	#define TEST_FLOCK64_EINVAL(cmd) test_flock64_einval(cmd, #cmd)

	#ifdef HAVE_TYPEOF
	# define TYPEOF_FLOCK_OFF_T typeof(((struct_kernel_flock *) NULL)->l_len)
	#else
	# define TYPEOF_FLOCK_OFF_T off_t
	#endif

	static const char *errstr;

	static long
	invoke_test_syscall(const unsigned int fd, const unsigned int cmd, void *const p)
	{
	const kernel_ulong_t kfd = F8ILL_KULONG_MASK \| fd;
	const kernel_ulong_t op = F8ILL_KULONG_MASK \| cmd;

	long rc = syscall(TEST_SYSCALL_NR, kfd, op, (uintptr_t) p);
	errstr = sprintrc(rc);
	return rc;
	}

	static void
	test_flock_einval(const int cmd, const char *name)
	{
	TAIL_ALLOC_OBJECT_CONST_PTR(struct_kernel_flock, fl);
	memset(fl, 0, sizeof(*fl));
	fl->l_type = F_RDLCK;
	fl->l_start = (TYPEOF_FLOCK_OFF_T) 0xdefaced1facefeedULL;
	fl->l_len = (TYPEOF_FLOCK_OFF_T) 0xdefaced2cafef00dULL;

	invoke_test_syscall(0, cmd, fl);
	printf("%s(0, %s, {l_type=F_RDLCK, l_whence=SEEK_SET"
	", l_start=%jd, l_len=%jd}) = %s\n", TEST_SYSCALL_STR, name,
	(intmax_t) fl->l_start, (intmax_t) fl->l_len, errstr);

	void const bad_addr = (void ) fl + 1;
	invoke_test_syscall(0, cmd, bad_addr);
	printf("%s(0, %s, %p) = %s\n",
	TEST_SYSCALL_STR, name, bad_addr, errstr);
	}

	/*
	* This function is not declared static to avoid potential
	* "defined but not used" warning when included by fcntl.c
	*/
	void
	test_flock64_einval(const int cmd, const char *name)
	{
	TAIL_ALLOC_OBJECT_CONST_PTR(struct_kernel_flock64, fl);
	memset(fl, 0, sizeof(*fl));
	fl->l_type = F_RDLCK;
	fl->l_start = (TYPEOF_FLOCK_OFF_T) 0xdefaced1facefeedULL;
	fl->l_len = (TYPEOF_FLOCK_OFF_T) 0xdefaced2cafef00dULL;

	invoke_test_syscall(0, cmd, fl);
	printf("%s(0, %s, {l_type=F_RDLCK, l_whence=SEEK_SET"
	", l_start=%jd, l_len=%jd}) = %s\n", TEST_SYSCALL_STR, name,
	(intmax_t) fl->l_start, (intmax_t) fl->l_len, errstr);

	void const bad_addr = (void ) fl + 1;
	invoke_test_syscall(0, cmd, bad_addr);
	printf("%s(0, %s, %p) = %s\n",
	TEST_SYSCALL_STR, name, bad_addr, errstr);
	}

	static void
	test_flock(void)
	{
	TEST_FLOCK_EINVAL(F_SETLK);
	TEST_FLOCK_EINVAL(F_SETLKW);

	TAIL_ALLOC_OBJECT_CONST_PTR(struct_kernel_flock, fl);
	memset(fl, 0, sizeof(*fl));
	fl->l_type = F_RDLCK;
	fl->l_len = FILE_LEN;

	long rc = invoke_test_syscall(0, F_SETLK, fl);
	printf("%s(0, F_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET"
	", l_start=0, l_len=%d}) = %s\n",
	TEST_SYSCALL_STR, FILE_LEN, errstr);
	if (rc)
	return;

	invoke_test_syscall(0, F_GETLK, fl);
	printf("%s(0, F_GETLK, {l_type=F_UNLCK, l_whence=SEEK_SET"
	", l_start=0, l_len=%d, l_pid=0}) = 0\n",
	TEST_SYSCALL_STR, FILE_LEN);

	invoke_test_syscall(0, F_SETLKW, fl);
	printf("%s(0, F_SETLKW, {l_type=F_UNLCK, l_whence=SEEK_SET"
	", l_start=0, l_len=%d}) = 0\n",
	TEST_SYSCALL_STR, FILE_LEN);
	}

	static void
	test_flock64_ofd(void)
	{
	#if defined F_OFD_GETLK && defined F_OFD_SETLK && defined F_OFD_SETLKW
	TEST_FLOCK64_EINVAL(F_OFD_SETLK);
	TEST_FLOCK64_EINVAL(F_OFD_SETLKW);

	TAIL_ALLOC_OBJECT_CONST_PTR(struct_kernel_flock64, fl);
	memset(fl, 0, sizeof(*fl));
	fl->l_type = F_RDLCK;
	fl->l_len = FILE_LEN;

	long rc = invoke_test_syscall(0, F_OFD_SETLK, fl);
	printf("%s(0, F_OFD_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET"
	", l_start=0, l_len=%d}) = %s\n",
	TEST_SYSCALL_STR, FILE_LEN, errstr);
	if (rc)
	return;

	invoke_test_syscall(0, F_OFD_GETLK, fl);
	printf("%s(0, F_OFD_GETLK, {l_type=F_UNLCK, l_whence=SEEK_SET"
	", l_start=0, l_len=%d, l_pid=0}) = 0\n",
	TEST_SYSCALL_STR, FILE_LEN);

	invoke_test_syscall(0, F_OFD_SETLKW, fl);
	printf("%s(0, F_OFD_SETLKW, {l_type=F_UNLCK, l_whence=SEEK_SET"
	", l_start=0, l_len=%d}) = 0\n",
	TEST_SYSCALL_STR, FILE_LEN);
	#endif /* F_OFD_GETLK && F_OFD_SETLK && F_OFD_SETLKW */
	}

	static void test_flock64_lk64(void);

	static void
	test_flock64(void)
	{
	test_flock64_ofd();
	test_flock64_lk64();
	}

	/*
	* F_[GS]ETOWN_EX had conflicting values with F_[SG]ETLK64
	* in kernel revisions v2.6.32-rc1~96..v2.6.32-rc7~23.
	*/
	#undef TEST_F_OWNER_EX
	#if defined F_GETOWN_EX && defined F_SETOWN_EX \
	&& (F_GETOWN_EX != F_SETLK64) && (F_SETOWN_EX != F_GETLK64)
	# define TEST_F_OWNER_EX
	#endif

	#ifdef TEST_F_OWNER_EX
	# include "f_owner_ex.h"

	static long
	test_f_owner_ex_type_pid(const int cmd, const char *const cmd_name,
	const int type, const char *const type_name,
	pid_t pid)
	{
	TAIL_ALLOC_OBJECT_CONST_PTR(struct_kernel_f_owner_ex, fo);

	fo->type = type;
	fo->pid = pid;
	long rc = invoke_test_syscall(0, cmd, fo);
	printf("%s(0, %s, {type=%s, pid=%d}) = %s\n",
	TEST_SYSCALL_STR, cmd_name, type_name, fo->pid, errstr);

	void bad_addr = (void ) fo + 1;
	invoke_test_syscall(0, cmd, bad_addr);
	printf("%s(0, %s, %p) = %s\n",
	TEST_SYSCALL_STR, cmd_name, bad_addr, errstr);

	return rc;
	}

	static void
	test_f_owner_ex_umove_or_printaddr(const int type, const char *const type_name,
	pid_t pid)
	{
	long rc = test_f_owner_ex_type_pid(ARG_STR(F_SETOWN_EX),
	type, type_name, pid);
	if (!rc)
	test_f_owner_ex_type_pid(ARG_STR(F_GETOWN_EX),
	type, type_name, pid);
	}

	static void
	test_f_owner_ex(void)
	{
	static const struct {
	int type;
	const char *type_name;
	pid_t pid[2];
	} a[] = {
	{ ARG_STR(F_OWNER_TID), { 1234567890, 20 } },
	{ ARG_STR(F_OWNER_PID), { 1298126790, 30 } },
	{ ARG_STR(F_OWNER_PGRP), { 1294567890, 40 } }
	};

	for (unsigned int i = 0; i < ARRAY_SIZE(a); i++) {
	for (unsigned int j = 0; j < ARRAY_SIZE(a[0].pid); j++) {
	test_f_owner_ex_umove_or_printaddr(a[i].type,
	a[i].type_name,
	a[i].pid[j]);
	}
	}
	}
	#endif /* TEST_F_OWNER_EX */

	struct fcntl_cmd_check {
	int fd;
	int cmd;
	const char *cmd_str;
	long arg;
	const char *arg_str;
	void (*print_flags)(long rc);
	};

	static void
	print_retval_flags(const struct fcntl_cmd_check *check, long rc)
	{
	if (check->print_flags) {
	check->print_flags(rc);
	} else {
	printf("%s", errstr);
	}
	printf("\n");
	}

	static void
	test_other_set_cmd(const struct fcntl_cmd_check *check)
	{
	invoke_test_syscall(check->fd, check->cmd, (void *) check->arg);
	printf("%s(%d, %s, %s) = %s\n",
	TEST_SYSCALL_STR, check->fd,
	check->cmd_str, check->arg_str, errstr);

	/* bad file fd */
	invoke_test_syscall(-1, check->cmd, (void *) check->arg);
	printf("%s(-1, %s, %s) = %s\n",
	TEST_SYSCALL_STR, check->cmd_str,
	check->arg_str, errstr);
	}

	static void
	test_other_get_cmd(const struct fcntl_cmd_check *check)
	{
	long rc = invoke_test_syscall(check->fd, check->cmd, NULL);
	printf("%s(%d, %s) = ",
	TEST_SYSCALL_STR, check->fd, check->cmd_str);
	print_retval_flags(check, rc);

	/* bad file fd */
	invoke_test_syscall(-1, check->cmd, NULL);
	printf("%s(-1, %s) = %s\n",
	TEST_SYSCALL_STR, check->cmd_str, errstr);
	}

	static void
	print_flags_getfd(long rc)
	{
	assert(rc >= 0);
	printf("%#lx%s", rc, rc & 1 ? " (flags FD_CLOEXEC)" : "");
	}

	static void
	print_flags_getsig(long rc)
	{
	assert(rc >= 0);

	if (!rc) {
	printf("%ld", rc);
	} else {
	printf("%ld (%s)", rc, signal2name((int) rc));
	}
	}

	static void
	print_flags_getlease(long rc)
	{
	assert(rc >= 0);
	const char *text;

	switch (rc) {
	case F_RDLCK:
	text = "F_RDLCK";
	break;
	case F_WRLCK:
	text = "F_WRLCK";
	break;
	case F_UNLCK:
	text = "F_UNLCK";
	break;
	default:
	error_msg_and_fail("fcntl returned %#lx, does the"
	" test have to be updated?", rc);
	}
	printf("%#lx (%s)", rc, text);
	}

	static void
	test_fcntl_others(void)
	{
	static const struct fcntl_cmd_check set_checks[] = {
	{ 0, ARG_STR(F_SETFD), ARG_STR(FD_CLOEXEC) },
	{ 0, ARG_STR(F_SETOWN), ARG_STR(20) },
	#ifdef F_SETPIPE_SZ
	{ 0, ARG_STR(F_SETPIPE_SZ), ARG_STR(4097) },
	#endif
	{ 0, ARG_STR(F_DUPFD), ARG_STR(0) },
	#ifdef F_DUPFD_CLOEXEC
	{ 0, ARG_STR(F_DUPFD_CLOEXEC), ARG_STR(0) },
	#endif
	{ 0, ARG_STR(F_SETFL), ARG_STR(O_RDWR\|O_LARGEFILE) },
	{ 0, ARG_STR(F_NOTIFY), ARG_STR(DN_ACCESS) },
	{ 1, ARG_STR(F_SETLEASE), ARG_STR(F_RDLCK) },
	{ 0, ARG_STR(F_SETSIG), 0, "SIG_0" },
	{ 1, ARG_STR(F_SETSIG), 1, "SIGHUP" }
	};
	for (unsigned int i = 0; i < ARRAY_SIZE(set_checks); i++) {
	test_other_set_cmd(set_checks + i);
	}

	static const struct fcntl_cmd_check get_checks[] = {
	{ 0, ARG_STR(F_GETFD), .print_flags = print_flags_getfd },
	{ 1, ARG_STR(F_GETFD), .print_flags = print_flags_getfd },
	{ 0, ARG_STR(F_GETOWN) },
	#ifdef F_GETPIPE_SZ
	{ 0, ARG_STR(F_GETPIPE_SZ) },
	#endif
	{ 1, ARG_STR(F_GETLEASE), .print_flags = print_flags_getlease },
	{ 0, ARG_STR(F_GETSIG), .print_flags = print_flags_getsig },
	{ 1, ARG_STR(F_GETSIG), .print_flags = print_flags_getsig }
	};
	for (unsigned int j = 0; j < ARRAY_SIZE(get_checks); j++) {
	test_other_get_cmd(get_checks + j);
	}
	}

	static void
	create_sample(void)
	{
	char fname[] = TEST_SYSCALL_STR "_XXXXXX";

	(void) close(0);
	if (mkstemp(fname))
	perror_msg_and_fail("mkstemp: %s", fname);
	if (unlink(fname))
	perror_msg_and_fail("unlink: %s", fname);
	if (ftruncate(0, FILE_LEN))
	perror_msg_and_fail("ftruncate");
	}

	int
	main(void)
	{
	create_sample();
	test_flock();
	test_flock64();
	#ifdef TEST_F_OWNER_EX
	test_f_owner_ex();
	#endif
	test_fcntl_others();

	puts("+++ exited with 0 +++");
	return 0;
	}