Patrick Williams | d8c66bc | 2016-06-20 12:57:21 -0500 | [diff] [blame] | 1 | From 87e6b230fff800eb768b68b2e5173ebbe83fd3ef Mon Sep 17 00:00:00 2001 |
| 2 | From: "Dmitry V. Levin" <ldv@altlinux.org> |
| 3 | Date: Sat, 2 Jan 2016 12:05:14 +0000 |
| 4 | Subject: [PATCH] tests: introduce libtests |
| 5 | |
| 6 | Introduce tests/libtests.a with common functions for use in tests. |
| 7 | |
| 8 | * tests/tests.h: New file. |
| 9 | * tests/error_msg.c: Likewise. |
| 10 | * tests/tail_alloc.c: Likewise. |
| 11 | * tests/get_page_size.c: Likewise. |
| 12 | * tests/Makefile.am (libtests_a_SOURCES, libtests_a_CPPFLAGS, |
| 13 | check_LIBRARIES, LDADD): New variables. |
| 14 | (clock_xettime_LDADD, filter_unavailable_LDADD, mq_LDADD, |
| 15 | pc_LDADD, times_LDADD): Add $(LDADD). |
| 16 | * tests/.gitignore: Add libtests.a. |
| 17 | --- |
| 18 | Signed-off-by: Khem Raj <raj.khem@gmail.com> |
| 19 | Upstream-Status: Backport |
| 20 | |
| 21 | tests/.gitignore | 1 + |
| 22 | tests/Makefile.am | 20 ++++++++++---- |
| 23 | tests/error_msg.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 24 | tests/get_page_size.c | 13 +++++++++ |
| 25 | tests/tail_alloc.c | 52 ++++++++++++++++++++++++++++++++++++ |
| 26 | tests/tests.h | 62 ++++++++++++++++++++++++++++++++++++++++++ |
| 27 | 6 files changed, 217 insertions(+), 5 deletions(-) |
| 28 | create mode 100644 tests/error_msg.c |
| 29 | create mode 100644 tests/get_page_size.c |
| 30 | create mode 100644 tests/tail_alloc.c |
| 31 | create mode 100644 tests/tests.h |
| 32 | |
| 33 | diff --git a/tests/Makefile.am b/tests/Makefile.am |
| 34 | index 386a2c2..62d0e56 100644 |
| 35 | --- a/tests/Makefile.am |
| 36 | +++ b/tests/Makefile.am |
| 37 | @@ -40,6 +40,16 @@ AM_CPPFLAGS = $(ARCH_MFLAGS) \ |
| 38 | -I$(top_srcdir) |
| 39 | AM_LDFLAGS = $(ARCH_MFLAGS) |
| 40 | |
| 41 | +libtests_a_SOURCES = \ |
| 42 | + get_page_size.c \ |
| 43 | + error_msg.c \ |
| 44 | + tail_alloc.c \ |
| 45 | + tests.h \ |
| 46 | + # end of libtests_a_SOURCES |
| 47 | +libtests_a_CPPFLAGS = $(AM_CPPFLAGS) -D_FILE_OFFSET_BITS=64 |
| 48 | +check_LIBRARIES = libtests.a |
| 49 | +LDADD = libtests.a |
| 50 | + |
| 51 | check_PROGRAMS = \ |
| 52 | _newselect \ |
| 53 | adjtimex \ |
| 54 | @@ -146,19 +156,19 @@ check_PROGRAMS = \ |
| 55 | xettimeofday \ |
| 56 | # end of check_PROGRAMS |
| 57 | |
| 58 | -clock_xettime_LDADD = -lrt |
| 59 | -filter_unavailable_LDADD = -lpthread |
| 60 | +clock_xettime_LDADD = -lrt $(LDADD) |
| 61 | +filter_unavailable_LDADD = -lpthread $(LDADD) |
| 62 | fstat64_CPPFLAGS = $(AM_CPPFLAGS) -D_FILE_OFFSET_BITS=64 |
| 63 | fstatat64_CPPFLAGS = $(AM_CPPFLAGS) -D_FILE_OFFSET_BITS=64 |
| 64 | ftruncate64_CPPFLAGS = $(AM_CPPFLAGS) -D_FILE_OFFSET_BITS=64 |
| 65 | lstat64_CPPFLAGS = $(AM_CPPFLAGS) -D_FILE_OFFSET_BITS=64 |
| 66 | mmap64_CPPFLAGS = $(AM_CPPFLAGS) -D_FILE_OFFSET_BITS=64 |
| 67 | -mq_LDADD = -lrt |
| 68 | +mq_LDADD = -lrt $(LDADD) |
| 69 | newfstatat_CPPFLAGS = $(AM_CPPFLAGS) -D_FILE_OFFSET_BITS=64 |
| 70 | -pc_LDADD = $(dl_LIBS) |
| 71 | +pc_LDADD = $(dl_LIBS) $(LDADD) |
| 72 | stat64_CPPFLAGS = $(AM_CPPFLAGS) -D_FILE_OFFSET_BITS=64 |
| 73 | statfs_CPPFLAGS = $(AM_CPPFLAGS) -D_FILE_OFFSET_BITS=64 |
| 74 | -times_LDADD = -lrt |
| 75 | +times_LDADD = -lrt $(LDADD) |
| 76 | truncate64_CPPFLAGS = $(AM_CPPFLAGS) -D_FILE_OFFSET_BITS=64 |
| 77 | uio_CPPFLAGS = $(AM_CPPFLAGS) -D_FILE_OFFSET_BITS=64 |
| 78 | stack_fcall_SOURCES = stack-fcall.c \ |
| 79 | diff --git a/tests/error_msg.c b/tests/error_msg.c |
| 80 | new file mode 100644 |
| 81 | index 0000000..3fd3411 |
| 82 | --- /dev/null |
| 83 | +++ b/tests/error_msg.c |
| 84 | @@ -0,0 +1,74 @@ |
| 85 | +/* |
| 86 | + * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org> |
| 87 | + * All rights reserved. |
| 88 | + * |
| 89 | + * Redistribution and use in source and binary forms, with or without |
| 90 | + * modification, are permitted provided that the following conditions |
| 91 | + * are met: |
| 92 | + * 1. Redistributions of source code must retain the above copyright |
| 93 | + * notice, this list of conditions and the following disclaimer. |
| 94 | + * 2. Redistributions in binary form must reproduce the above copyright |
| 95 | + * notice, this list of conditions and the following disclaimer in the |
| 96 | + * documentation and/or other materials provided with the distribution. |
| 97 | + * 3. The name of the author may not be used to endorse or promote products |
| 98 | + * derived from this software without specific prior written permission. |
| 99 | + * |
| 100 | + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 101 | + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 102 | + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 103 | + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 104 | + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 105 | + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 106 | + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 107 | + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 108 | + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 109 | + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 110 | + */ |
| 111 | + |
| 112 | +#include "tests.h" |
| 113 | +#include <errno.h> |
| 114 | +#include <stdarg.h> |
| 115 | +#include <stdio.h> |
| 116 | +#include <stdlib.h> |
| 117 | +#include <string.h> |
| 118 | + |
| 119 | +void |
| 120 | +perror_msg_and_fail(const char *fmt, ...) |
| 121 | +{ |
| 122 | + int err_no = errno; |
| 123 | + va_list p; |
| 124 | + |
| 125 | + va_start(p, fmt); |
| 126 | + vfprintf(stderr, fmt, p); |
| 127 | + if (err_no) |
| 128 | + fprintf(stderr, ": %s\n", strerror(err_no)); |
| 129 | + else |
| 130 | + putc('\n', stderr); |
| 131 | + exit(1); |
| 132 | +} |
| 133 | + |
| 134 | +void |
| 135 | +error_msg_and_skip(const char *fmt, ...) |
| 136 | +{ |
| 137 | + va_list p; |
| 138 | + |
| 139 | + va_start(p, fmt); |
| 140 | + vfprintf(stderr, fmt, p); |
| 141 | + putc('\n', stderr); |
| 142 | + exit(77); |
| 143 | +} |
| 144 | + |
| 145 | +void |
| 146 | +perror_msg_and_skip(const char *fmt, ...) |
| 147 | +{ |
| 148 | + int err_no = errno; |
| 149 | + va_list p; |
| 150 | + |
| 151 | + va_start(p, fmt); |
| 152 | + vfprintf(stderr, fmt, p); |
| 153 | + if (err_no) |
| 154 | + fprintf(stderr, ": %s\n", strerror(err_no)); |
| 155 | + else |
| 156 | + putc('\n', stderr); |
| 157 | + exit(77); |
| 158 | +} |
| 159 | diff --git a/tests/get_page_size.c b/tests/get_page_size.c |
| 160 | new file mode 100644 |
| 161 | index 0000000..aeea861 |
| 162 | --- /dev/null |
| 163 | +++ b/tests/get_page_size.c |
| 164 | @@ -0,0 +1,13 @@ |
| 165 | +#include "tests.h" |
| 166 | +#include <unistd.h> |
| 167 | + |
| 168 | +size_t |
| 169 | +get_page_size(void) |
| 170 | +{ |
| 171 | + static size_t page_size; |
| 172 | + |
| 173 | + if (!page_size) |
| 174 | + page_size = sysconf(_SC_PAGESIZE); |
| 175 | + |
| 176 | + return page_size; |
| 177 | +} |
| 178 | diff --git a/tests/tail_alloc.c b/tests/tail_alloc.c |
| 179 | new file mode 100644 |
| 180 | index 0000000..2b8b14e |
| 181 | --- /dev/null |
| 182 | +++ b/tests/tail_alloc.c |
| 183 | @@ -0,0 +1,52 @@ |
| 184 | +/* |
| 185 | + * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org> |
| 186 | + * All rights reserved. |
| 187 | + * |
| 188 | + * Redistribution and use in source and binary forms, with or without |
| 189 | + * modification, are permitted provided that the following conditions |
| 190 | + * are met: |
| 191 | + * 1. Redistributions of source code must retain the above copyright |
| 192 | + * notice, this list of conditions and the following disclaimer. |
| 193 | + * 2. Redistributions in binary form must reproduce the above copyright |
| 194 | + * notice, this list of conditions and the following disclaimer in the |
| 195 | + * documentation and/or other materials provided with the distribution. |
| 196 | + * 3. The name of the author may not be used to endorse or promote products |
| 197 | + * derived from this software without specific prior written permission. |
| 198 | + * |
| 199 | + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 200 | + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 201 | + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 202 | + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 203 | + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 204 | + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 205 | + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 206 | + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 207 | + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 208 | + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 209 | + */ |
| 210 | + |
| 211 | +#include "tests.h" |
| 212 | +#include <string.h> |
| 213 | +#include <sys/mman.h> |
| 214 | + |
| 215 | +void * |
| 216 | +tail_alloc(const size_t size) |
| 217 | +{ |
| 218 | + const size_t page_size = get_page_size(); |
| 219 | + const size_t len = (size + page_size - 1) & -page_size; |
| 220 | + const size_t alloc_size = len + 2 * page_size; |
| 221 | + |
| 222 | + void *p = mmap(NULL, alloc_size, PROT_READ | PROT_WRITE, |
| 223 | + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
| 224 | + if (MAP_FAILED == p) |
| 225 | + perror_msg_and_fail("mmap(%zu)", alloc_size); |
| 226 | + |
| 227 | + void *start_work = p + page_size; |
| 228 | + void *tail_guard = start_work + len; |
| 229 | + |
| 230 | + if (munmap(p, page_size) || munmap(tail_guard, page_size)) |
| 231 | + perror_msg_and_fail("munmap"); |
| 232 | + |
| 233 | + memset(start_work, 0xff, len); |
| 234 | + return tail_guard - size; |
| 235 | +} |
| 236 | diff --git a/tests/tests.h b/tests/tests.h |
| 237 | new file mode 100644 |
| 238 | index 0000000..91fa24e |
| 239 | --- /dev/null |
| 240 | +++ b/tests/tests.h |
| 241 | @@ -0,0 +1,62 @@ |
| 242 | +/* |
| 243 | + * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org> |
| 244 | + * All rights reserved. |
| 245 | + * |
| 246 | + * Redistribution and use in source and binary forms, with or without |
| 247 | + * modification, are permitted provided that the following conditions |
| 248 | + * are met: |
| 249 | + * 1. Redistributions of source code must retain the above copyright |
| 250 | + * notice, this list of conditions and the following disclaimer. |
| 251 | + * 2. Redistributions in binary form must reproduce the above copyright |
| 252 | + * notice, this list of conditions and the following disclaimer in the |
| 253 | + * documentation and/or other materials provided with the distribution. |
| 254 | + * 3. The name of the author may not be used to endorse or promote products |
| 255 | + * derived from this software without specific prior written permission. |
| 256 | + * |
| 257 | + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 258 | + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 259 | + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 260 | + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 261 | + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 262 | + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 263 | + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 264 | + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 265 | + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 266 | + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 267 | + */ |
| 268 | + |
| 269 | +#ifndef TESTS_H_ |
| 270 | +# define TESTS_H_ |
| 271 | + |
| 272 | +# ifdef HAVE_CONFIG_H |
| 273 | +# include "config.h" |
| 274 | +# endif |
| 275 | + |
| 276 | +# include <sys/types.h> |
| 277 | +# include "gcc_compat.h" |
| 278 | + |
| 279 | +/* Cached sysconf(_SC_PAGESIZE). */ |
| 280 | +size_t get_page_size(void); |
| 281 | + |
| 282 | +/* Print message and strerror(errno) to stderr, then exit(1). */ |
| 283 | +void perror_msg_and_fail(const char *, ...) |
| 284 | + ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN; |
| 285 | +/* Print message to stderr, then exit(77). */ |
| 286 | +void error_msg_and_skip(const char *, ...) |
| 287 | + ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN; |
| 288 | +/* Print message and strerror(errno) to stderr, then exit(77). */ |
| 289 | +void perror_msg_and_skip(const char *, ...) |
| 290 | + ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN; |
| 291 | + |
| 292 | +/* |
| 293 | + * Allocate memory that ends on the page boundary. |
| 294 | + * Pages allocated by this call are preceeded by an unmapped page |
| 295 | + * and followed also by an unmapped page. |
| 296 | + */ |
| 297 | +void *tail_alloc(const size_t) |
| 298 | + ATTRIBUTE_MALLOC ATTRIBUTE_ALLOC_SIZE((1)); |
| 299 | + |
| 300 | +# define SKIP_MAIN_UNDEFINED(arg) \ |
| 301 | + int main(void) { error_msg_and_skip("undefined: %s", arg); } |
| 302 | + |
| 303 | +#endif |
| 304 | -- |
| 305 | 1.9.1 |
| 306 | |