Zeng Linggang | 91d6742 | 2014-04-25 10:46:32 +0800 | [diff] [blame] | 1 | #define _GNU_SOURCE |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 2 | #include <sys/types.h> |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 3 | #include <sys/mman.h> |
Caspar Zhang | 817c782 | 2011-06-30 01:50:33 +0800 | [diff] [blame] | 4 | #include <sys/resource.h> |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 5 | #include <sys/stat.h> |
Cyril Hrubis | f3e448f | 2014-04-24 14:24:49 +0200 | [diff] [blame] | 6 | #include <sys/wait.h> |
Vinson Lee | 9af0bd7 | 2012-02-09 15:05:50 -0800 | [diff] [blame] | 7 | #include <errno.h> |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 8 | #include <fcntl.h> |
| 9 | #include <libgen.h> |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 10 | #include <limits.h> |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 11 | #include <pwd.h> |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 12 | #include <stdarg.h> |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 13 | #include <stdlib.h> |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 14 | #include <unistd.h> |
Zeng Linggang | 5ff25ef | 2014-05-06 15:49:42 +0800 | [diff] [blame] | 15 | #include <malloc.h> |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 16 | #include "test.h" |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 17 | #include "safe_macros.h" |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 18 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 19 | char *safe_basename(const char *file, const int lineno, |
| 20 | void (*cleanup_fn) (void), char *path) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 21 | { |
| 22 | char *rval; |
| 23 | |
| 24 | rval = basename(path); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 25 | if (rval == NULL) { |
| 26 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 27 | "%s:%d: basename(%s) failed", |
| 28 | file, lineno, path); |
| 29 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 30 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 31 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 32 | } |
| 33 | |
| 34 | int |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 35 | safe_chdir(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 36 | const char *path) |
Garrett Cooper | 4a3c658 | 2010-12-21 07:07:01 -0800 | [diff] [blame] | 37 | { |
| 38 | int rval; |
| 39 | |
| 40 | rval = chdir(path); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 41 | if (rval == -1) { |
| 42 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 43 | "%s:%d: chdir(%s) failed", |
| 44 | file, lineno, path); |
| 45 | } |
Garrett Cooper | 4a3c658 | 2010-12-21 07:07:01 -0800 | [diff] [blame] | 46 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 47 | return rval; |
Garrett Cooper | 4a3c658 | 2010-12-21 07:07:01 -0800 | [diff] [blame] | 48 | } |
| 49 | |
| 50 | int |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 51 | safe_close(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 52 | int fildes) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 53 | { |
| 54 | int rval; |
| 55 | |
| 56 | rval = close(fildes); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 57 | if (rval == -1) { |
| 58 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 59 | "%s:%d: close(%d) failed", |
| 60 | file, lineno, fildes); |
| 61 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 62 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 63 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 64 | } |
| 65 | |
| 66 | int |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 67 | safe_creat(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 68 | char *pathname, mode_t mode) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 69 | { |
| 70 | int rval; |
| 71 | |
| 72 | rval = creat(pathname, mode); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 73 | if (rval == -1) { |
| 74 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 75 | "%s:%d: creat(%s,0%o) failed", |
| 76 | file, lineno, pathname, mode); |
| 77 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 78 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 79 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 80 | } |
| 81 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 82 | char *safe_dirname(const char *file, const int lineno, |
| 83 | void (*cleanup_fn) (void), char *path) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 84 | { |
| 85 | char *rval; |
| 86 | |
| 87 | rval = dirname(path); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 88 | if (rval == NULL) { |
| 89 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 90 | "%s:%d: dirname(%s) failed", |
| 91 | file, lineno, path); |
| 92 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 93 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 94 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 95 | } |
| 96 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 97 | char *safe_getcwd(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 98 | char *buf, size_t size) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 99 | { |
| 100 | char *rval; |
| 101 | |
| 102 | rval = getcwd(buf, size); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 103 | if (rval == NULL) { |
| 104 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 105 | "%s:%d: getcwd(%p,%zu) failed", |
| 106 | file, lineno, buf, size); |
| 107 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 108 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 109 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 110 | } |
| 111 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 112 | struct passwd *safe_getpwnam(const char *file, const int lineno, |
| 113 | void (*cleanup_fn) (void), const char *name) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 114 | { |
| 115 | struct passwd *rval; |
| 116 | |
| 117 | rval = getpwnam(name); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 118 | if (rval == NULL) { |
| 119 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 120 | "%s:%d: getpwnam(%s) failed", |
| 121 | file, lineno, name); |
| 122 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 123 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 124 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 125 | } |
| 126 | |
Caspar Zhang | 817c782 | 2011-06-30 01:50:33 +0800 | [diff] [blame] | 127 | int |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 128 | safe_getrusage(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 129 | int who, struct rusage *usage) |
Caspar Zhang | 817c782 | 2011-06-30 01:50:33 +0800 | [diff] [blame] | 130 | { |
| 131 | int rval; |
| 132 | |
| 133 | rval = getrusage(who, usage); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 134 | if (rval == -1) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 135 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 136 | "%s:%d: getrusage(%d,%p) failed", |
| 137 | file, lineno, who, usage); |
| 138 | } |
Caspar Zhang | 817c782 | 2011-06-30 01:50:33 +0800 | [diff] [blame] | 139 | |
| 140 | return rval; |
| 141 | } |
| 142 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 143 | void *safe_malloc(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 144 | size_t size) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 145 | { |
| 146 | void *rval; |
| 147 | |
| 148 | rval = malloc(size); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 149 | if (rval == NULL) { |
| 150 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 151 | "%s:%d: malloc(%zu) failed", |
| 152 | file, lineno, size); |
| 153 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 154 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 155 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 156 | } |
| 157 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 158 | int safe_mkdir(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 159 | const char *pathname, mode_t mode) |
Garrett Cooper | 4a3c658 | 2010-12-21 07:07:01 -0800 | [diff] [blame] | 160 | { |
| 161 | int rval; |
| 162 | |
| 163 | rval = mkdir(pathname, mode); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 164 | if (rval == -1) { |
| 165 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 166 | "%s:%d: mkdir(%s,0%o) failed", |
| 167 | file, lineno, pathname, mode); |
| 168 | } |
Garrett Cooper | 4a3c658 | 2010-12-21 07:07:01 -0800 | [diff] [blame] | 169 | |
| 170 | return (rval); |
| 171 | } |
| 172 | |
Cyril Hrubis | 97499c2 | 2014-05-07 14:54:22 +0200 | [diff] [blame] | 173 | int safe_rmdir(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 174 | const char *pathname) |
| 175 | { |
| 176 | int rval; |
| 177 | |
| 178 | rval = rmdir(pathname); |
| 179 | if (rval == -1) { |
| 180 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 181 | "%s:%d: rmdir(%s) failed", |
| 182 | file, lineno, pathname); |
| 183 | } |
| 184 | |
| 185 | return (rval); |
| 186 | } |
| 187 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 188 | void *safe_mmap(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 189 | void *addr, size_t length, int prot, int flags, int fd, |
| 190 | off_t offset) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 191 | { |
| 192 | void *rval; |
| 193 | |
| 194 | rval = mmap(addr, length, prot, flags, fd, offset); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 195 | if (rval == MAP_FAILED) { |
| 196 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 197 | "%s:%d: mmap(%p,%zu,%d,%d,%d,%ld) failed", |
| 198 | file, lineno, addr, length, prot, flags, fd, |
| 199 | (long) offset); |
| 200 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 201 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 202 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 203 | } |
| 204 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 205 | int safe_munmap(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 206 | void *addr, size_t length) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 207 | { |
| 208 | int rval; |
| 209 | |
| 210 | rval = munmap(addr, length); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 211 | if (rval == -1) { |
| 212 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 213 | "%s:%d: munmap(%p,%zu) failed", |
| 214 | file, lineno, addr, length); |
| 215 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 216 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 217 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 218 | } |
| 219 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 220 | int safe_open(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 221 | const char *pathname, int oflags, ...) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 222 | { |
| 223 | va_list ap; |
| 224 | int rval; |
| 225 | mode_t mode; |
| 226 | |
| 227 | va_start(ap, oflags); |
| 228 | mode = va_arg(ap, mode_t); |
| 229 | va_end(ap); |
| 230 | |
| 231 | rval = open(pathname, oflags, mode); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 232 | if (rval == -1) { |
| 233 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 234 | "%s:%d: open(%s,%d,0%o) failed", |
| 235 | file, lineno, pathname, oflags, mode); |
| 236 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 237 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 238 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 239 | } |
| 240 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 241 | int safe_pipe(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 242 | int fildes[2]) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 243 | { |
| 244 | int rval; |
| 245 | |
| 246 | rval = pipe(fildes); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 247 | if (rval == -1) { |
| 248 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 249 | "%s:%d: pipe({%d,%d}) failed", |
| 250 | file, lineno, fildes[0], fildes[1]); |
| 251 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 252 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 253 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 254 | } |
| 255 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 256 | ssize_t safe_read(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 257 | char len_strict, int fildes, void *buf, size_t nbyte) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 258 | { |
| 259 | ssize_t rval; |
| 260 | |
| 261 | rval = read(fildes, buf, nbyte); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 262 | if (rval == -1 || (len_strict && (size_t)rval != nbyte)) { |
| 263 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 264 | "%s:%d: read(%d,%p,%zu) failed, returned %zd", |
| 265 | file, lineno, fildes, buf, nbyte, rval); |
| 266 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 267 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 268 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 269 | } |
| 270 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 271 | int safe_setegid(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 272 | gid_t egid) |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 273 | { |
| 274 | int rval; |
| 275 | |
| 276 | rval = setegid(egid); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 277 | if (rval == -1) { |
| 278 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 279 | "%s:%d: setegid(%u) failed", |
| 280 | file, lineno, (unsigned) egid); |
| 281 | } |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 282 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 283 | return rval; |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 284 | } |
| 285 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 286 | int safe_seteuid(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 287 | uid_t euid) |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 288 | { |
| 289 | int rval; |
| 290 | |
| 291 | rval = seteuid(euid); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 292 | if (rval == -1) { |
| 293 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 294 | "%s:%d: seteuid(%u) failed", |
| 295 | file, lineno, (unsigned) euid); |
| 296 | } |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 297 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 298 | return rval; |
Garrett Cooper | 400c836 | 2010-12-20 20:02:01 -0800 | [diff] [blame] | 299 | } |
| 300 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 301 | int safe_setgid(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 302 | gid_t gid) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 303 | { |
| 304 | int rval; |
| 305 | |
| 306 | rval = setgid(gid); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 307 | if (rval == -1) { |
| 308 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 309 | "%s:%d: setgid(%u) failed", |
| 310 | file, lineno, (unsigned) gid); |
| 311 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 312 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 313 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 314 | } |
| 315 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 316 | int safe_setuid(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 317 | uid_t uid) |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 318 | { |
| 319 | int rval; |
| 320 | |
| 321 | rval = setuid(uid); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 322 | if (rval == -1) { |
| 323 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 324 | "%s:%d: setuid(%u) failed", |
| 325 | file, lineno, (unsigned) uid); |
| 326 | } |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 327 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 328 | return rval; |
Garrett Cooper | ca43592 | 2010-12-20 12:26:32 -0800 | [diff] [blame] | 329 | } |
| 330 | |
Zeng Linggang | 91d6742 | 2014-04-25 10:46:32 +0800 | [diff] [blame] | 331 | int safe_getresuid(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 332 | uid_t *ruid, uid_t *euid, uid_t *suid) |
| 333 | { |
| 334 | int rval; |
| 335 | |
| 336 | rval = getresuid(ruid, euid, suid); |
| 337 | if (rval == -1) { |
| 338 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 339 | "%s:%d: getresuid(%p, %p, %p) failed", |
| 340 | file, lineno, ruid, euid, suid); |
| 341 | } |
| 342 | |
| 343 | return rval; |
| 344 | } |
| 345 | |
| 346 | int safe_getresgid(const char *file, const int lineno, void (*cleanup_fn)(void), |
| 347 | gid_t *rgid, gid_t *egid, gid_t *sgid) |
| 348 | { |
| 349 | int rval; |
| 350 | |
| 351 | rval = getresgid(rgid, egid, sgid); |
| 352 | if (rval == -1) { |
| 353 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 354 | "%s:%d: getresgid(%p, %p, %p) failed", |
| 355 | file, lineno, rgid, egid, sgid); |
| 356 | } |
| 357 | |
| 358 | return rval; |
| 359 | } |
| 360 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 361 | int safe_unlink(const char *file, const int lineno, void (*cleanup_fn) (void), |
| 362 | const char *pathname) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 363 | { |
| 364 | int rval; |
| 365 | |
| 366 | rval = unlink(pathname); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 367 | if (rval == -1) { |
| 368 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 369 | "%s:%d: unlink(%s) failed", |
| 370 | file, lineno, pathname); |
| 371 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 372 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 373 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 374 | } |
| 375 | |
Cyril Hrubis | aede40b | 2013-04-15 19:33:23 +0200 | [diff] [blame] | 376 | |
| 377 | int safe_link(const char *file, const int lineno, |
| 378 | void (cleanup_fn)(void), const char *oldpath, |
| 379 | const char *newpath) |
| 380 | { |
| 381 | int rval; |
| 382 | |
| 383 | rval = link(oldpath, newpath); |
| 384 | |
| 385 | if (rval == -1) { |
| 386 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 387 | "%s:%d: link(%s,%s) failed", |
| 388 | file, lineno, oldpath, newpath); |
Cyril Hrubis | aede40b | 2013-04-15 19:33:23 +0200 | [diff] [blame] | 389 | } |
| 390 | |
| 391 | return rval; |
| 392 | } |
| 393 | |
Cyril Hrubis | f095ccb | 2013-11-27 19:55:59 +0100 | [diff] [blame] | 394 | off_t safe_lseek(const char *file, const int lineno, |
| 395 | void (cleanup_fn)(void), int fd, |
| 396 | off_t offset, int whence) |
| 397 | { |
| 398 | off_t rval; |
| 399 | |
| 400 | rval = lseek(fd, offset, whence); |
| 401 | |
| 402 | if (rval == (off_t) -1) { |
| 403 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 404 | "%s:%d: lseek(%d,%ld,%d) failed", |
| 405 | file, lineno, fd, (long)offset, whence); |
Cyril Hrubis | f095ccb | 2013-11-27 19:55:59 +0100 | [diff] [blame] | 406 | } |
| 407 | |
| 408 | return rval; |
| 409 | } |
| 410 | |
Cyril Hrubis | aede40b | 2013-04-15 19:33:23 +0200 | [diff] [blame] | 411 | int safe_symlink(const char *file, const int lineno, |
| 412 | void (cleanup_fn)(void), const char *oldpath, |
| 413 | const char *newpath) |
| 414 | { |
| 415 | int rval; |
| 416 | |
| 417 | rval = symlink(oldpath, newpath); |
| 418 | |
| 419 | if (rval == -1) { |
| 420 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 421 | "%s:%d: symlink(%s,%s) failed", |
| 422 | file, lineno, oldpath, newpath); |
Cyril Hrubis | aede40b | 2013-04-15 19:33:23 +0200 | [diff] [blame] | 423 | } |
| 424 | |
| 425 | return rval; |
| 426 | } |
| 427 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 428 | ssize_t safe_write(const char *file, const int lineno, void (cleanup_fn) (void), |
| 429 | char len_strict, int fildes, const void *buf, size_t nbyte) |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 430 | { |
| 431 | ssize_t rval; |
| 432 | |
| 433 | rval = write(fildes, buf, nbyte); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 434 | if ((len_strict == 0 && rval == -1) || (size_t)rval != nbyte) { |
| 435 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 436 | "%s:%d: write(%d,%p,%zu) failed", |
| 437 | file, lineno, fildes, buf, rval); |
| 438 | } |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 439 | |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 440 | return rval; |
Garrett Cooper | dd3f47e | 2010-12-20 05:40:52 -0800 | [diff] [blame] | 441 | } |
Cyril Hrubis | 3f75fe4 | 2011-12-28 15:33:12 +0100 | [diff] [blame] | 442 | |
| 443 | int safe_ftruncate(const char *file, const int lineno, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 444 | void (cleanup_fn) (void), int fd, off_t length) |
Cyril Hrubis | 3f75fe4 | 2011-12-28 15:33:12 +0100 | [diff] [blame] | 445 | { |
| 446 | int rval; |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 447 | |
Cyril Hrubis | 3f75fe4 | 2011-12-28 15:33:12 +0100 | [diff] [blame] | 448 | rval = ftruncate(fd, length); |
| 449 | if (rval == -1) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 450 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 451 | "%s:%d: ftruncate(%d,%ld) failed", |
| 452 | file, lineno, fd, (long)length); |
Cyril Hrubis | 3f75fe4 | 2011-12-28 15:33:12 +0100 | [diff] [blame] | 453 | } |
| 454 | |
| 455 | return rval; |
| 456 | } |
| 457 | |
| 458 | int safe_truncate(const char *file, const int lineno, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 459 | void (cleanup_fn) (void), const char *path, off_t length) |
Cyril Hrubis | 3f75fe4 | 2011-12-28 15:33:12 +0100 | [diff] [blame] | 460 | { |
| 461 | int rval; |
| 462 | |
| 463 | rval = truncate(path, length); |
| 464 | if (rval == -1) { |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 465 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 466 | "%s:%d: truncate(%s,%ld) failed", |
| 467 | file, lineno, path, (long)length); |
Cyril Hrubis | 3f75fe4 | 2011-12-28 15:33:12 +0100 | [diff] [blame] | 468 | } |
| 469 | |
| 470 | return rval; |
| 471 | } |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 472 | |
| 473 | long safe_strtol(const char *file, const int lineno, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 474 | void (cleanup_fn) (void), char *str, long min, long max) |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 475 | { |
| 476 | long rval; |
| 477 | char *endptr; |
| 478 | |
| 479 | errno = 0; |
| 480 | rval = strtol(str, &endptr, 10); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 481 | |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 482 | if ((errno == ERANGE && (rval == LONG_MAX || rval == LONG_MIN)) |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 483 | || (errno != 0 && rval == 0)) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 484 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 485 | "%s:%d: strtol(%s) failed", file, lineno, str); |
| 486 | } |
| 487 | |
| 488 | if (endptr == str || (*endptr != '\0' && *endptr != '\n')) { |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 489 | tst_brkm(TBROK, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 490 | "%s:%d: strtol(%s): Invalid value", file, lineno, str); |
| 491 | } |
| 492 | |
| 493 | if (rval > max || rval < min) { |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 494 | tst_brkm(TBROK, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 495 | "%s:%d: strtol(%s): %ld is out of range %ld - %ld", |
| 496 | file, lineno, str, rval, min, max); |
| 497 | } |
Caspar Zhang | d6a1f25 | 2012-02-09 15:58:28 +0800 | [diff] [blame] | 498 | |
| 499 | return rval; |
| 500 | } |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame] | 501 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 502 | unsigned long safe_strtoul(const char *file, const int lineno, |
| 503 | void (cleanup_fn) (void), char *str, |
| 504 | unsigned long min, unsigned long max) |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame] | 505 | { |
| 506 | unsigned long rval; |
| 507 | char *endptr; |
| 508 | |
| 509 | errno = 0; |
| 510 | rval = strtoul(str, &endptr, 10); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 511 | |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame] | 512 | if ((errno == ERANGE && rval == ULONG_MAX) |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 513 | || (errno != 0 && rval == 0)) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 514 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 515 | "%s:%d: strtoul(%s) failed", file, lineno, str); |
| 516 | } |
| 517 | |
| 518 | if (rval > max || rval < min) { |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame] | 519 | tst_brkm(TBROK, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 520 | "%s:%d: strtoul(%s): %lu is out of range %lu - %lu", |
| 521 | file, lineno, str, rval, min, max); |
| 522 | } |
| 523 | |
| 524 | if (endptr == str || (*endptr != '\0' && *endptr != '\n')) { |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame] | 525 | tst_brkm(TBROK, cleanup_fn, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 526 | "Invalid value: '%s' at %s:%d", str, file, lineno); |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 527 | } |
Zhouping Liu | 2b73a15 | 2012-07-07 23:14:39 +0800 | [diff] [blame] | 528 | |
| 529 | return rval; |
| 530 | } |
Wanlong Gao | 3b535a8 | 2012-10-18 16:35:14 +0800 | [diff] [blame] | 531 | |
| 532 | long safe_sysconf(const char *file, const int lineno, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 533 | void (cleanup_fn) (void), int name) |
Wanlong Gao | 3b535a8 | 2012-10-18 16:35:14 +0800 | [diff] [blame] | 534 | { |
| 535 | long rval; |
| 536 | errno = 0; |
| 537 | |
| 538 | rval = sysconf(name); |
| 539 | |
| 540 | if (rval == -1) { |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 541 | if (errno) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 542 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 543 | "%s:%d: sysconf(%d) failed", |
| 544 | file, lineno, name); |
| 545 | } else { |
| 546 | tst_resm(TINFO, "%s:%d: sysconf(%d): " |
| 547 | "queried option is not available" |
| 548 | " or there is no definite limit", |
| 549 | file, lineno, name); |
| 550 | } |
Wanlong Gao | 3b535a8 | 2012-10-18 16:35:14 +0800 | [diff] [blame] | 551 | } |
| 552 | |
| 553 | return rval; |
| 554 | } |
Zeng Linggang | 1030c9d | 2014-01-22 13:58:55 +0800 | [diff] [blame] | 555 | |
Cyril Hrubis | 7ee6327 | 2014-02-25 16:38:24 +0100 | [diff] [blame] | 556 | int safe_stat(const char *file, const int lineno, |
| 557 | void (cleanup_fn)(void), const char *path, struct stat *buf) |
| 558 | { |
| 559 | int rval; |
| 560 | |
| 561 | rval = stat(path, buf); |
| 562 | |
| 563 | if (rval == -1) { |
| 564 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 565 | "%s:%d: stat(%s,%p) failed", file, lineno, path, buf); |
Cyril Hrubis | 7ee6327 | 2014-02-25 16:38:24 +0100 | [diff] [blame] | 566 | } |
| 567 | |
| 568 | return rval; |
| 569 | } |
| 570 | |
Zeng Linggang | 1030c9d | 2014-01-22 13:58:55 +0800 | [diff] [blame] | 571 | int safe_fstat(const char *file, const int lineno, |
| 572 | void (cleanup_fn)(void), int fd, struct stat *buf) |
| 573 | { |
| 574 | int rval; |
| 575 | |
| 576 | rval = fstat(fd, buf); |
| 577 | |
| 578 | if (rval == -1) { |
| 579 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 580 | "%s:%d: fstat(%d,%p) failed", file, lineno, fd, buf); |
Cyril Hrubis | 7ee6327 | 2014-02-25 16:38:24 +0100 | [diff] [blame] | 581 | } |
| 582 | |
| 583 | return rval; |
| 584 | } |
| 585 | |
| 586 | int safe_lstat(const char *file, const int lineno, |
| 587 | void (cleanup_fn)(void), const char *path, struct stat *buf) |
| 588 | { |
| 589 | int rval; |
| 590 | |
| 591 | rval = lstat(path, buf); |
| 592 | |
| 593 | if (rval == -1) { |
| 594 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 595 | "%s:%d: lstat(%s,%p) failed", file, lineno, path, buf); |
Zeng Linggang | 1030c9d | 2014-01-22 13:58:55 +0800 | [diff] [blame] | 596 | } |
| 597 | |
| 598 | return rval; |
| 599 | } |
Zeng Linggang | ef9aac6 | 2014-03-03 19:22:55 +0800 | [diff] [blame] | 600 | |
| 601 | int safe_getrlimit(const char *file, const int lineno, |
| 602 | void (cleanup_fn)(void), int resource, struct rlimit *rlim) |
| 603 | { |
| 604 | int rval; |
| 605 | |
| 606 | rval = getrlimit(resource, rlim); |
| 607 | |
| 608 | if (rval == -1) { |
| 609 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 610 | "%s:%d: getrlimit(%d,%p) failed", |
| 611 | file, lineno, resource, rlim); |
Zeng Linggang | ef9aac6 | 2014-03-03 19:22:55 +0800 | [diff] [blame] | 612 | } |
| 613 | |
| 614 | return rval; |
| 615 | } |
| 616 | |
| 617 | int safe_setrlimit(const char *file, const int lineno, void (cleanup_fn)(void), |
| 618 | int resource, const struct rlimit *rlim) |
| 619 | { |
| 620 | int rval; |
| 621 | |
| 622 | rval = setrlimit(resource, rlim); |
| 623 | |
| 624 | if (rval == -1) { |
| 625 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 626 | "%s:%d: setrlimit(%d,%p) failed", |
| 627 | file, lineno, resource, rlim); |
Zeng Linggang | ef9aac6 | 2014-03-03 19:22:55 +0800 | [diff] [blame] | 628 | } |
| 629 | |
| 630 | return rval; |
| 631 | } |
Cyril Hrubis | c459235 | 2014-03-04 16:41:02 +0100 | [diff] [blame] | 632 | |
| 633 | int safe_chmod(const char *file, const int lineno, |
| 634 | void (cleanup_fn)(void), const char *path, mode_t mode) |
| 635 | { |
| 636 | int rval; |
| 637 | |
| 638 | rval = chmod(path, mode); |
| 639 | |
| 640 | if (rval == -1) { |
| 641 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 642 | "%s:%d: chmod(%s,0%o) failed", |
| 643 | file, lineno, path, mode); |
Cyril Hrubis | c459235 | 2014-03-04 16:41:02 +0100 | [diff] [blame] | 644 | } |
| 645 | |
| 646 | return rval; |
| 647 | } |
| 648 | |
| 649 | int safe_fchmod(const char *file, const int lineno, |
| 650 | void (cleanup_fn)(void), int fd, mode_t mode) |
| 651 | { |
| 652 | int rval; |
| 653 | |
| 654 | rval = fchmod(fd, mode); |
| 655 | |
| 656 | if (rval == -1) { |
| 657 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
Mats Liljegren | 49e8615 | 2014-04-16 19:27:58 +0200 | [diff] [blame] | 658 | "%s:%d: fchmod(%d,0%o) failed", |
| 659 | file, lineno, fd, mode); |
Cyril Hrubis | c459235 | 2014-03-04 16:41:02 +0100 | [diff] [blame] | 660 | } |
| 661 | |
| 662 | return rval; |
| 663 | } |
Cyril Hrubis | f3e448f | 2014-04-24 14:24:49 +0200 | [diff] [blame] | 664 | |
Cyril Hrubis | 34ff227 | 2014-06-04 15:58:50 +0200 | [diff] [blame] | 665 | |
| 666 | int safe_fchown(const char *file, const int lineno, void (cleanup_fn)(void), |
| 667 | int fd, uid_t owner, gid_t group) |
| 668 | { |
| 669 | int rval; |
| 670 | |
| 671 | rval = fchown(fd, owner, group); |
| 672 | |
| 673 | if (rval == -1) { |
| 674 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 675 | "%s:%d: fchown(%d,%d,%d) failed", |
| 676 | file, lineno, fd, owner, group); |
| 677 | } |
| 678 | |
| 679 | return rval; |
| 680 | } |
| 681 | |
Cyril Hrubis | f3e448f | 2014-04-24 14:24:49 +0200 | [diff] [blame] | 682 | pid_t safe_wait(const char *file, const int lineno, void (cleanup_fn)(void), |
| 683 | int *status) |
| 684 | { |
| 685 | pid_t rval; |
| 686 | |
| 687 | rval = wait(status); |
| 688 | if (rval == -1) { |
| 689 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 690 | "%s:%d: wait(%p) failed", |
| 691 | file, lineno, status); |
| 692 | } |
| 693 | |
| 694 | return rval; |
| 695 | } |
| 696 | |
| 697 | pid_t safe_waitpid(const char *file, const int lineno, void (cleanup_fn)(void), |
| 698 | pid_t pid, int *status, int opts) |
| 699 | { |
| 700 | pid_t rval; |
| 701 | |
| 702 | rval = waitpid(pid, status, opts); |
| 703 | if (rval == -1) { |
| 704 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 705 | "%s:%d: waitpid(%d,%p,%d) failed", |
| 706 | file, lineno, pid, status, opts); |
| 707 | } |
| 708 | |
| 709 | return rval; |
| 710 | } |
Zeng Linggang | 5ff25ef | 2014-05-06 15:49:42 +0800 | [diff] [blame] | 711 | |
| 712 | void *safe_memalign(const char *file, const int lineno, |
| 713 | void (*cleanup_fn) (void), size_t alignment, size_t size) |
| 714 | { |
| 715 | void *rval; |
| 716 | |
| 717 | rval = memalign(alignment, size); |
| 718 | if (rval == NULL) |
| 719 | tst_brkm(TBROK | TERRNO, cleanup_fn, "memalign failed at %s:%d", |
| 720 | file, lineno); |
| 721 | |
| 722 | return rval; |
| 723 | } |
Xiaoguang Wang | 6deba58 | 2014-05-16 12:52:53 +0800 | [diff] [blame] | 724 | |
| 725 | int safe_kill(const char *file, const int lineno, void (cleanup_fn)(void), |
| 726 | pid_t pid, int sig) |
| 727 | { |
| 728 | int rval; |
| 729 | |
| 730 | rval = kill(pid, sig); |
| 731 | |
| 732 | if (rval == -1) { |
| 733 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 734 | "%s:%d: kill(%d,%s) failed", |
| 735 | file, lineno, pid, tst_strsig(sig)); |
| 736 | } |
| 737 | |
| 738 | return rval; |
| 739 | } |
Cyril Hrubis | 3a150e7 | 2014-06-11 11:55:23 +0200 | [diff] [blame^] | 740 | |
| 741 | int safe_mkfifo(const char *file, const int lineno, |
| 742 | void (*cleanup_fn)(void), const char *pathname, mode_t mode) |
| 743 | { |
| 744 | int rval; |
| 745 | |
| 746 | rval = mkfifo(pathname, mode); |
| 747 | |
| 748 | if (rval == -1) { |
| 749 | tst_brkm(TBROK | TERRNO, cleanup_fn, |
| 750 | "%s:%d: mkfifo(%s, 0%o) failed", |
| 751 | file, lineno, pathname, mode); |
| 752 | } |
| 753 | |
| 754 | return rval; |
| 755 | } |