| 1 | ## compare_shells: dash bash mksh zsh
|
| 2 | ## oils_failures_allowed: 4
|
| 3 | ## oils_cpp_failures_allowed: 5
|
| 4 | # case #24 with ulimit -f 1 is different under C++ for some reason - could be due to the python2
|
| 5 | # intepreter and SIGXFSZ
|
| 6 |
|
| 7 | #### exec builtin
|
| 8 | exec echo hi
|
| 9 | ## stdout: hi
|
| 10 |
|
| 11 | #### exec builtin with redirects
|
| 12 | exec 1>&2
|
| 13 | echo 'to stderr'
|
| 14 | ## stdout-json: ""
|
| 15 | ## stderr: to stderr
|
| 16 |
|
| 17 | #### exec builtin with here doc
|
| 18 | # This has in a separate file because both code and data can be read from
|
| 19 | # stdin.
|
| 20 | $SH $REPO_ROOT/spec/bin/builtins-exec-here-doc-helper.sh
|
| 21 | ## STDOUT:
|
| 22 | x=one
|
| 23 | y=two
|
| 24 | DONE
|
| 25 | ## END
|
| 26 |
|
| 27 | #### exec builtin accepts --
|
| 28 | exec -- echo hi
|
| 29 | ## STDOUT:
|
| 30 | hi
|
| 31 | ## END
|
| 32 | ## BUG dash status: 127
|
| 33 | ## BUG dash stdout-json: ""
|
| 34 |
|
| 35 | #### exec -- 2>&1
|
| 36 | exec -- 3>&1
|
| 37 | echo stdout 1>&3
|
| 38 | ## STDOUT:
|
| 39 | stdout
|
| 40 | ## END
|
| 41 | ## BUG dash status: 127
|
| 42 | ## BUG dash stdout-json: ""
|
| 43 | ## BUG mksh status: -11
|
| 44 | ## BUG mksh stdout-json: ""
|
| 45 |
|
| 46 | #### Exit out of function
|
| 47 | f() { exit 3; }
|
| 48 | f
|
| 49 | exit 4
|
| 50 | ## status: 3
|
| 51 |
|
| 52 | #### Exit builtin with invalid arg
|
| 53 | exit invalid
|
| 54 | # Rationale: runtime errors are 1
|
| 55 | ## status: 1
|
| 56 | ## OK dash/bash status: 2
|
| 57 | ## BUG zsh status: 0
|
| 58 |
|
| 59 | #### Exit builtin with too many args
|
| 60 | # This is a parse error in OSH.
|
| 61 | exit 7 8 9
|
| 62 | echo status=$?
|
| 63 | ## status: 2
|
| 64 | ## stdout-json: ""
|
| 65 | ## BUG bash/zsh status: 0
|
| 66 | ## BUG bash/zsh stdout: status=1
|
| 67 | ## BUG dash status: 7
|
| 68 | ## BUG dash stdout-json: ""
|
| 69 | ## OK mksh status: 1
|
| 70 | ## OK mksh stdout-json: ""
|
| 71 |
|
| 72 | #### time with brace group argument
|
| 73 |
|
| 74 | err=time-$(basename $SH).txt
|
| 75 | {
|
| 76 | time {
|
| 77 | sleep 0.01
|
| 78 | sleep 0.02
|
| 79 | }
|
| 80 | } 2> $err
|
| 81 |
|
| 82 | grep --only-matching user $err
|
| 83 | echo result=$?
|
| 84 |
|
| 85 | # Regression: check fractional seconds
|
| 86 | gawk '
|
| 87 | BEGIN { ok = 0 }
|
| 88 | match( $0, /\.([0-9]+)/, m) {
|
| 89 | if (m[1] > 0) { # check fractional seconds
|
| 90 | ok = 1
|
| 91 | }
|
| 92 | }
|
| 93 | END { if (ok) { print "non-zero" } }
|
| 94 | ' $err
|
| 95 |
|
| 96 | ## status: 0
|
| 97 | ## STDOUT:
|
| 98 | user
|
| 99 | result=0
|
| 100 | non-zero
|
| 101 | ## END
|
| 102 |
|
| 103 | # time doesn't accept a block?
|
| 104 | ## BUG zsh STDOUT:
|
| 105 | result=1
|
| 106 | ## END
|
| 107 |
|
| 108 | # dash doesn't have time keyword
|
| 109 | ## N-I dash status: 2
|
| 110 | ## N-I dash stdout-json: ""
|
| 111 |
|
| 112 |
|
| 113 | #### get umask
|
| 114 | umask | grep '[0-9]\+' # check for digits
|
| 115 | ## status: 0
|
| 116 |
|
| 117 | #### set umask in octal
|
| 118 | rm -f $TMP/umask-one $TMP/umask-two
|
| 119 | umask 0002
|
| 120 | echo one > $TMP/umask-one
|
| 121 | umask 0022
|
| 122 | echo two > $TMP/umask-two
|
| 123 | stat -c '%a' $TMP/umask-one $TMP/umask-two
|
| 124 | ## status: 0
|
| 125 | ## STDOUT:
|
| 126 | 664
|
| 127 | 644
|
| 128 | ## END
|
| 129 | ## stderr-json: ""
|
| 130 |
|
| 131 | #### set umask symbolically
|
| 132 | umask 0002 # begin in a known state for the test
|
| 133 | rm -f $TMP/umask-one $TMP/umask-two
|
| 134 | # open()s 'umask-one' with mask 0666, then subtracts 0002 -> 0664
|
| 135 | echo one > $TMP/umask-one
|
| 136 | umask g-w,o-w
|
| 137 | echo two > $TMP/umask-two
|
| 138 | stat -c '%a' $TMP/umask-one $TMP/umask-two
|
| 139 | ## status: 0
|
| 140 | ## STDOUT:
|
| 141 | 664
|
| 142 | 644
|
| 143 | ## END
|
| 144 | ## stderr-json: ""
|
| 145 |
|
| 146 | #### umask -p
|
| 147 | umask -p | grep 'umask [0-9][0-9][0-9][0-9]'
|
| 148 | ## status: 0
|
| 149 | ## N-I dash/mksh/zsh status: 1
|
| 150 |
|
| 151 | #### umask -S
|
| 152 | # current mask as symbolic
|
| 153 | umask -S | grep 'u=[rwx]*,g=[rwx]*,o=[rwx]*'
|
| 154 | ## status: 0
|
| 155 |
|
| 156 | #### umask symbolic parsing
|
| 157 |
|
| 158 | umask 0000
|
| 159 | umask u-rw
|
| 160 | echo status0=$?
|
| 161 | umask | tail -c 4
|
| 162 |
|
| 163 | umask 0700
|
| 164 | umask u=r
|
| 165 | echo status1=$?
|
| 166 | umask | tail -c 4
|
| 167 |
|
| 168 | umask 0000
|
| 169 | umask u=r,g=w,o=x
|
| 170 | echo status2=$?
|
| 171 | umask | tail -c 4
|
| 172 |
|
| 173 | umask 0777
|
| 174 | umask u+r,g+w,o+x
|
| 175 | echo status3=$?
|
| 176 | umask | tail -c 4
|
| 177 |
|
| 178 | umask 0000
|
| 179 | umask u-r,g-w,o-x
|
| 180 | echo status4=$?
|
| 181 | umask | tail -c 4
|
| 182 |
|
| 183 | umask 0137
|
| 184 | umask u=,g+,o-
|
| 185 | echo status5=$?
|
| 186 | umask | tail -c 4
|
| 187 |
|
| 188 | ## status: 0
|
| 189 | ## STDOUT:
|
| 190 | status0=0
|
| 191 | 600
|
| 192 | status1=0
|
| 193 | 300
|
| 194 | status2=0
|
| 195 | 356
|
| 196 | status3=0
|
| 197 | 356
|
| 198 | status4=0
|
| 199 | 421
|
| 200 | status5=0
|
| 201 | 737
|
| 202 | ## END
|
| 203 |
|
| 204 | #### umask symbolic parsing with spaces
|
| 205 | umask 0111
|
| 206 | # spaces are an error in bash
|
| 207 | # dash & mksh only interpret the first one
|
| 208 | umask u=, g+, o-
|
| 209 | echo status=$?
|
| 210 | umask | tail -c 4
|
| 211 | ## status: 0
|
| 212 | ## STDOUT:
|
| 213 | status=2
|
| 214 | 111
|
| 215 | ## END
|
| 216 | ## OK bash/zsh STDOUT:
|
| 217 | status=1
|
| 218 | 111
|
| 219 | ## END
|
| 220 | ## BUG dash/mksh STDOUT:
|
| 221 | status=0
|
| 222 | 711
|
| 223 | ## END
|
| 224 |
|
| 225 | #### umask bad symbolic input
|
| 226 | umask b=rwx
|
| 227 | ## status: 1
|
| 228 | ## OK dash status: 2
|
| 229 |
|
| 230 | #### umask octal number out of range
|
| 231 | umask 0022
|
| 232 | umask 1234567
|
| 233 | # osh currently treats 0o1234567 as 0o0567
|
| 234 | echo status=$?
|
| 235 | umask | tail -c 4
|
| 236 | ## status: 0
|
| 237 | ## STDOUT:
|
| 238 | status=1
|
| 239 | 022
|
| 240 | ## END
|
| 241 | ## BUG mksh/zsh/dash STDOUT:
|
| 242 | status=0
|
| 243 | 567
|
| 244 | ## END
|
| 245 |
|
| 246 | #### umask allow overwriting and duplicates
|
| 247 | umask 0111
|
| 248 | umask u=rwx,u=rw,u=r,u=,g=rwx
|
| 249 | umask | tail -c 4
|
| 250 | ## status: 0
|
| 251 | ## STDOUT:
|
| 252 | 701
|
| 253 | ## END
|
| 254 |
|
| 255 | #### umask a is valid who
|
| 256 | umask 0732
|
| 257 | umask a=rwx
|
| 258 | umask | tail -c 4
|
| 259 |
|
| 260 | umask 0124
|
| 261 | umask a+r
|
| 262 | umask | tail -c 4
|
| 263 |
|
| 264 | umask 0124
|
| 265 | umask a-r
|
| 266 | umask | tail -c 4
|
| 267 | ## status: 0
|
| 268 | ## STDOUT:
|
| 269 | 000
|
| 270 | 120
|
| 271 | 564
|
| 272 | ## END
|
| 273 |
|
| 274 | #### umask X perm
|
| 275 | umask 0124
|
| 276 | umask a=X
|
| 277 | echo ret0 = $?
|
| 278 | umask | tail -c 4
|
| 279 |
|
| 280 | umask 0246
|
| 281 | umask a=X
|
| 282 | echo ret1 = $?
|
| 283 | umask | tail -c 4
|
| 284 |
|
| 285 | umask 0246
|
| 286 | umask a-X
|
| 287 | echo ret2 = $?
|
| 288 | umask | tail -c 4
|
| 289 | ## status: 0
|
| 290 | ## STDOUT:
|
| 291 | ret0 = 0
|
| 292 | 666
|
| 293 | ret1 = 0
|
| 294 | 777
|
| 295 | ret2 = 0
|
| 296 | 246
|
| 297 | ## END
|
| 298 | ## BUG dash/mksh STDOUT:
|
| 299 | ret0 = 0
|
| 300 | 666
|
| 301 | ret1 = 0
|
| 302 | 666
|
| 303 | ret2 = 0
|
| 304 | 357
|
| 305 | ## END
|
| 306 | ## N-I bash/zsh STDOUT:
|
| 307 | ret0 = 1
|
| 308 | 124
|
| 309 | ret1 = 1
|
| 310 | 246
|
| 311 | ret2 = 1
|
| 312 | 246
|
| 313 | ## END
|
| 314 |
|
| 315 | #### umask s perm
|
| 316 | umask 0124
|
| 317 | umask a-s
|
| 318 | echo ret0 = $?
|
| 319 | umask | tail -c 4
|
| 320 |
|
| 321 | umask 0124
|
| 322 | umask a+s
|
| 323 | echo ret1 = $?
|
| 324 | umask | tail -c 4
|
| 325 |
|
| 326 | umask 0124
|
| 327 | umask a=s
|
| 328 | echo ret2 = $?
|
| 329 | umask | tail -c 4
|
| 330 | ## status: 0
|
| 331 | ## STDOUT:
|
| 332 | ret0 = 0
|
| 333 | 124
|
| 334 | ret1 = 0
|
| 335 | 124
|
| 336 | ret2 = 0
|
| 337 | 777
|
| 338 | ## END
|
| 339 | ## N-I bash/zsh STDOUT:
|
| 340 | ret0 = 1
|
| 341 | 124
|
| 342 | ret1 = 1
|
| 343 | 124
|
| 344 | ret2 = 1
|
| 345 | 124
|
| 346 | ## END
|
| 347 |
|
| 348 | #### umask t perm
|
| 349 | umask 0124
|
| 350 | umask a-t
|
| 351 | echo ret0 = $?
|
| 352 | umask | tail -c 4
|
| 353 |
|
| 354 | umask 0124
|
| 355 | umask a+t
|
| 356 | echo ret1 = $?
|
| 357 | umask | tail -c 4
|
| 358 |
|
| 359 | umask 0124
|
| 360 | umask a=t
|
| 361 | echo ret2 = $?
|
| 362 | umask | tail -c 4
|
| 363 | ## status: 0
|
| 364 | ## STDOUT:
|
| 365 | ret0 = 0
|
| 366 | 124
|
| 367 | ret1 = 0
|
| 368 | 124
|
| 369 | ret2 = 0
|
| 370 | 777
|
| 371 | ## END
|
| 372 | ## N-I bash/zsh/mksh STDOUT:
|
| 373 | ret0 = 1
|
| 374 | 124
|
| 375 | ret1 = 1
|
| 376 | 124
|
| 377 | ret2 = 1
|
| 378 | 124
|
| 379 | ## END
|
| 380 | ## N-I dash STDOUT:
|
| 381 | ret0 = 2
|
| 382 | 124
|
| 383 | ret1 = 2
|
| 384 | 124
|
| 385 | ret2 = 2
|
| 386 | 124
|
| 387 | ## END
|
| 388 |
|
| 389 | #### umask default who
|
| 390 | umask 0124
|
| 391 | umask =
|
| 392 | umask | tail -c 4
|
| 393 |
|
| 394 | umask 0124
|
| 395 | umask =rx
|
| 396 | echo ret = $?
|
| 397 | umask | tail -c 4
|
| 398 |
|
| 399 | umask 0124
|
| 400 | umask +
|
| 401 | umask | tail -c 4
|
| 402 |
|
| 403 | umask 0124
|
| 404 | # zsh ALSO treats this as just `umask`
|
| 405 | umask - >/dev/null
|
| 406 | umask | tail -c 4
|
| 407 | ## status: 0
|
| 408 | ## BUG zsh status: 1
|
| 409 | ## STDOUT:
|
| 410 | 777
|
| 411 | ret = 0
|
| 412 | 222
|
| 413 | 124
|
| 414 | 124
|
| 415 | ## END
|
| 416 | ## BUG zsh STDOUT:
|
| 417 | 777
|
| 418 | ## END
|
| 419 |
|
| 420 | #### umask bare op
|
| 421 | umask 0124
|
| 422 | umask =+=
|
| 423 | umask | tail -c 4
|
| 424 |
|
| 425 | umask 0124
|
| 426 | umask +=
|
| 427 | umask | tail -c 4
|
| 428 |
|
| 429 | umask 0124
|
| 430 | umask =+rwx+rx
|
| 431 | umask | tail -c 4
|
| 432 | ## status: 0
|
| 433 | ## BUG zsh status: 1
|
| 434 | ## STDOUT:
|
| 435 | 777
|
| 436 | 777
|
| 437 | 000
|
| 438 | ## END
|
| 439 | ## N-I bash STDOUT:
|
| 440 | 124
|
| 441 | 124
|
| 442 | 124
|
| 443 | ## END
|
| 444 | ## BUG zsh STDOUT:
|
| 445 | ## END
|
| 446 |
|
| 447 | #### umask bare op -
|
| 448 | umask 0124
|
| 449 | umask -rwx
|
| 450 | umask | tail -c 4
|
| 451 |
|
| 452 | umask 0124
|
| 453 | umask -wx
|
| 454 | umask | tail -c 4
|
| 455 |
|
| 456 | umask 0124
|
| 457 | umask -=+
|
| 458 | umask | tail -c 4
|
| 459 | ## status: 0
|
| 460 | ## STDOUT:
|
| 461 | 777
|
| 462 | 337
|
| 463 | 777
|
| 464 | ## END
|
| 465 | ## N-I dash/bash/mksh/zsh STDOUT:
|
| 466 | 124
|
| 467 | 124
|
| 468 | 124
|
| 469 | ## END
|
| 470 |
|
| 471 | #### umask permcopy
|
| 472 | umask 0124
|
| 473 | umask a=u
|
| 474 | umask | tail -c 4
|
| 475 |
|
| 476 | umask 0365
|
| 477 | umask a=g
|
| 478 | umask | tail -c 4
|
| 479 |
|
| 480 | umask 0124
|
| 481 | umask a=o
|
| 482 | umask | tail -c 4
|
| 483 | ## status: 0
|
| 484 | ## STDOUT:
|
| 485 | 111
|
| 486 | 666
|
| 487 | 444
|
| 488 | ## END
|
| 489 | ## N-I bash/zsh STDOUT:
|
| 490 | 124
|
| 491 | 365
|
| 492 | 124
|
| 493 | ## END
|
| 494 |
|
| 495 | #### umask permcopy running value
|
| 496 | umask 0124
|
| 497 | umask a=,a=u
|
| 498 | umask | tail -c 4
|
| 499 |
|
| 500 | umask 0124
|
| 501 | umask a=
|
| 502 | umask a=u
|
| 503 | umask | tail -c 4
|
| 504 | ## status: 0
|
| 505 | ## STDOUT:
|
| 506 | 111
|
| 507 | 777
|
| 508 | ## END
|
| 509 | ## N-I bash/zsh STDOUT:
|
| 510 | 124
|
| 511 | 777
|
| 512 | ## END
|
| 513 |
|
| 514 | #### umask sequential actions
|
| 515 | umask 0124
|
| 516 | umask u+r+w+x
|
| 517 | umask | tail -c 4
|
| 518 |
|
| 519 | umask 0124
|
| 520 | umask a+r+w+x,o-w
|
| 521 | umask | tail -c 4
|
| 522 |
|
| 523 | umask 0124
|
| 524 | umask a+x+wr-r
|
| 525 | umask | tail -c 4
|
| 526 | ## status: 0
|
| 527 | ## STDOUT:
|
| 528 | 024
|
| 529 | 002
|
| 530 | 444
|
| 531 | ## END
|
| 532 | ## N-I bash/zsh STDOUT:
|
| 533 | 124
|
| 534 | 124
|
| 535 | 124
|
| 536 | ## END
|
| 537 |
|
| 538 |
|
| 539 | #### ulimit with no flags is like -f
|
| 540 |
|
| 541 | ulimit > no-flags.txt
|
| 542 | echo status=$?
|
| 543 |
|
| 544 | ulimit -f > f.txt
|
| 545 | echo status=$?
|
| 546 |
|
| 547 | diff -u no-flags.txt f.txt
|
| 548 | echo diff=$?
|
| 549 |
|
| 550 | # Print everything
|
| 551 | # ulimit -a
|
| 552 |
|
| 553 | ## STDOUT:
|
| 554 | status=0
|
| 555 | status=0
|
| 556 | diff=0
|
| 557 | ## END
|
| 558 |
|
| 559 |
|
| 560 | #### ulimit too many args
|
| 561 |
|
| 562 | ulimit 1 2
|
| 563 | if test $? -ne 0; then
|
| 564 | echo pass
|
| 565 | else
|
| 566 | echo fail
|
| 567 | fi
|
| 568 |
|
| 569 | #ulimit -f
|
| 570 |
|
| 571 | ## STDOUT:
|
| 572 | pass
|
| 573 | ## END
|
| 574 |
|
| 575 | ## BUG bash/zsh STDOUT:
|
| 576 | fail
|
| 577 | ## END
|
| 578 |
|
| 579 |
|
| 580 | #### ulimit negative flag
|
| 581 |
|
| 582 | ulimit -f
|
| 583 |
|
| 584 | # interpreted as a flag
|
| 585 | ulimit -f -42
|
| 586 | if test $? -ne 0; then
|
| 587 | echo pass
|
| 588 | else
|
| 589 | echo fail
|
| 590 | fi
|
| 591 |
|
| 592 | ## STDOUT:
|
| 593 | unlimited
|
| 594 | pass
|
| 595 | ## END
|
| 596 |
|
| 597 | #### ulimit negative arg
|
| 598 |
|
| 599 | ulimit -f
|
| 600 |
|
| 601 | # an arg
|
| 602 | ulimit -f -- -42
|
| 603 | if test $? -ne 0; then
|
| 604 | echo pass
|
| 605 | else
|
| 606 | echo fail
|
| 607 | fi
|
| 608 |
|
| 609 | ## STDOUT:
|
| 610 | unlimited
|
| 611 | pass
|
| 612 | ## END
|
| 613 |
|
| 614 | ## BUG mksh STDOUT:
|
| 615 | unlimited
|
| 616 | fail
|
| 617 | ## END
|
| 618 |
|
| 619 |
|
| 620 | #### ulimit -a doesn't take arg
|
| 621 | case $SH in bash) exit ;; esac
|
| 622 |
|
| 623 | ulimit -a 42
|
| 624 | if test $? -ne 0; then
|
| 625 | echo 'failure that was expected'
|
| 626 | fi
|
| 627 |
|
| 628 | ## STDOUT:
|
| 629 | failure that was expected
|
| 630 | ## END
|
| 631 | ## BUG bash STDOUT:
|
| 632 | ## END
|
| 633 |
|
| 634 |
|
| 635 | #### ulimit doesn't accept multiple flags - reduce confusion between shells
|
| 636 |
|
| 637 | # - bash, zsh, busybox ash accept multiple "commands", which requires custom
|
| 638 | # flag parsing, like
|
| 639 |
|
| 640 | # ulimit -f 999 -n
|
| 641 | # ulimit -f 999 -n 888
|
| 642 | #
|
| 643 | # - dash and mksh accept a single ARG
|
| 644 | #
|
| 645 | # we want to make it clear we're like the latter
|
| 646 |
|
| 647 | # can't print all and -f
|
| 648 | ulimit -f -a >/dev/null
|
| 649 | echo status=$?
|
| 650 |
|
| 651 | ulimit -f -n >/dev/null
|
| 652 | echo status=$?
|
| 653 |
|
| 654 | ulimit -f -n 999 >/dev/null
|
| 655 | echo status=$?
|
| 656 |
|
| 657 | ## STDOUT:
|
| 658 | status=2
|
| 659 | status=2
|
| 660 | status=2
|
| 661 | ## END
|
| 662 |
|
| 663 | ## BUG dash/bash/mksh STDOUT:
|
| 664 | status=0
|
| 665 | status=0
|
| 666 | status=0
|
| 667 | ## END
|
| 668 |
|
| 669 | # zsh is better - it checks that -a and -f are exclusive
|
| 670 |
|
| 671 | ## BUG zsh STDOUT:
|
| 672 | status=1
|
| 673 | status=0
|
| 674 | status=0
|
| 675 | ## END
|
| 676 |
|
| 677 |
|
| 678 | #### YSH readability: ulimit --all the same as ulimit -a
|
| 679 |
|
| 680 | case $SH in bash|dash|mksh|zsh) exit ;; esac
|
| 681 |
|
| 682 | ulimit -a > short.txt
|
| 683 | ulimit --all > long.txt
|
| 684 |
|
| 685 | wc -l short.txt long.txt
|
| 686 |
|
| 687 | diff -u short.txt long.txt
|
| 688 | echo status=$?
|
| 689 |
|
| 690 | ## STDOUT:
|
| 691 | 8 short.txt
|
| 692 | 8 long.txt
|
| 693 | 16 total
|
| 694 | status=0
|
| 695 | ## END
|
| 696 |
|
| 697 | ## N-I bash/dash/mksh/zsh STDOUT:
|
| 698 | ## END
|
| 699 |
|
| 700 | #### ulimit accepts 'unlimited'
|
| 701 |
|
| 702 | for arg in zz unlimited; do
|
| 703 | echo " arg $arg"
|
| 704 | ulimit -f
|
| 705 | echo status=$?
|
| 706 | ulimit -f $arg
|
| 707 | if test $? -ne 0; then
|
| 708 | echo 'FAILED'
|
| 709 | fi
|
| 710 | echo
|
| 711 | done
|
| 712 | ## STDOUT:
|
| 713 | arg zz
|
| 714 | unlimited
|
| 715 | status=0
|
| 716 | FAILED
|
| 717 |
|
| 718 | arg unlimited
|
| 719 | unlimited
|
| 720 | status=0
|
| 721 |
|
| 722 | ## END
|
| 723 |
|
| 724 |
|
| 725 | #### ulimit of 2**32, 2**31 (int overflow)
|
| 726 |
|
| 727 | echo -n 'one '; ulimit -f
|
| 728 |
|
| 729 |
|
| 730 | ulimit -f $(( 1 << 32 ))
|
| 731 |
|
| 732 | echo -n 'two '; ulimit -f
|
| 733 |
|
| 734 |
|
| 735 | # mksh fails because it overflows signed int, turning into negative number
|
| 736 | ulimit -f $(( 1 << 31 ))
|
| 737 |
|
| 738 | echo -n 'three '; ulimit -f
|
| 739 |
|
| 740 | ## STDOUT:
|
| 741 | one unlimited
|
| 742 | two 4294967296
|
| 743 | three 2147483648
|
| 744 | ## END
|
| 745 | ## BUG mksh STDOUT:
|
| 746 | one unlimited
|
| 747 | two 1
|
| 748 | three 1
|
| 749 | ## END
|
| 750 |
|
| 751 |
|
| 752 | #### ulimit that is 64 bits
|
| 753 |
|
| 754 | # no 64-bit integers
|
| 755 | case $SH in mksh) exit ;; esac
|
| 756 |
|
| 757 | echo -n 'before '; ulimit -f
|
| 758 |
|
| 759 | # 1 << 63 overflows signed int
|
| 760 |
|
| 761 | # 512 is 1 << 9, so make it 62-9 = 53 bits
|
| 762 |
|
| 763 | lim=$(( 1 << 53 ))
|
| 764 | #echo $lim
|
| 765 |
|
| 766 | # bash says this is out of range
|
| 767 | ulimit -f $lim
|
| 768 |
|
| 769 | echo -n 'after '; ulimit -f
|
| 770 |
|
| 771 | ## STDOUT:
|
| 772 | before unlimited
|
| 773 | after 9007199254740992
|
| 774 | ## END
|
| 775 |
|
| 776 | ## BUG mksh STDOUT:
|
| 777 | ## END
|
| 778 |
|
| 779 |
|
| 780 | #### arg that would overflow 64 bits is detected
|
| 781 |
|
| 782 | # no 64-bit integers
|
| 783 | case $SH in mksh) exit ;; esac
|
| 784 |
|
| 785 | echo -n 'before '; ulimit -f
|
| 786 |
|
| 787 | # 1 << 63 overflows signed int
|
| 788 |
|
| 789 | lim=$(( (1 << 62) + 1 ))
|
| 790 | #echo lim=$lim
|
| 791 |
|
| 792 | # bash detects that this is out of range
|
| 793 | # so does osh-cpp, but not osh-cpython
|
| 794 |
|
| 795 | ulimit -f $lim
|
| 796 | echo -n 'after '; ulimit -f
|
| 797 |
|
| 798 | ## STDOUT:
|
| 799 | before unlimited
|
| 800 | after unlimited
|
| 801 | ## END
|
| 802 |
|
| 803 | ## BUG dash/zsh STDOUT:
|
| 804 | before unlimited
|
| 805 | after 1
|
| 806 | ## END
|
| 807 |
|
| 808 | ## BUG mksh STDOUT:
|
| 809 | ## END
|
| 810 |
|
| 811 |
|
| 812 | #### ulimit -f 1 prevents files larger 512 bytes
|
| 813 | trap - XFSZ # don't handle this
|
| 814 |
|
| 815 | rm -f err.txt
|
| 816 | touch err.txt
|
| 817 |
|
| 818 | bytes() {
|
| 819 | local n=$1
|
| 820 | local st=0
|
| 821 | for i in $(seq $n); do
|
| 822 | echo -n x
|
| 823 | st=$?
|
| 824 | if test $st -ne 0; then
|
| 825 | echo "ERROR: echo failed with status $st" >> err.txt
|
| 826 | fi
|
| 827 | done
|
| 828 | }
|
| 829 |
|
| 830 | ulimit -f 1
|
| 831 |
|
| 832 | bytes 512 > ok.txt
|
| 833 | echo 512 status=$?
|
| 834 |
|
| 835 | bytes 513 > too-big.txt
|
| 836 | echo 513 status=$?
|
| 837 | echo
|
| 838 |
|
| 839 | wc --bytes ok.txt too-big.txt
|
| 840 | echo
|
| 841 |
|
| 842 | cat err.txt
|
| 843 |
|
| 844 | ## status: -25
|
| 845 | ## STDOUT:
|
| 846 | 512 status=0
|
| 847 | ## END
|
| 848 |
|
| 849 | ## OK disabledosh status: 0
|
| 850 | ## OK disabledosh STDOUT:
|
| 851 | 512 status=0
|
| 852 | 513 status=0
|
| 853 |
|
| 854 | 512 ok.txt
|
| 855 | 512 too-big.txt
|
| 856 | 1024 total
|
| 857 |
|
| 858 | ERROR: echo failed with status 1
|
| 859 | ## END
|
| 860 |
|
| 861 | ## BUG bash status: 0
|
| 862 | ## BUG bash STDOUT:
|
| 863 | 512 status=0
|
| 864 | 513 status=0
|
| 865 |
|
| 866 | 512 ok.txt
|
| 867 | 513 too-big.txt
|
| 868 | 1025 total
|
| 869 |
|
| 870 | ## END
|
| 871 |
|
| 872 | #### write big file with ulimit
|
| 873 |
|
| 874 | # I think this will test write() errors, rather than the final flush() error
|
| 875 | # (which is currently skipped by C++
|
| 876 |
|
| 877 | { echo 'ulimit -f 1'
|
| 878 | # More than 8 KiB may cause a flush()
|
| 879 | python2 -c 'print("echo " + "X"*9000 + " >out.txt")'
|
| 880 | echo 'echo inner=$?'
|
| 881 | } > big.sh
|
| 882 |
|
| 883 | $SH big.sh
|
| 884 | echo outer=$?
|
| 885 |
|
| 886 | ## STDOUT:
|
| 887 | outer=153
|
| 888 | ## END
|
| 889 |
|
| 890 | # not sure why this is different
|
| 891 | ## OK osh STDOUT:
|
| 892 | inner=1
|
| 893 | outer=0
|
| 894 | ## END
|
| 895 |
|
| 896 |
|
| 897 | #### ulimit -S for soft limit (default), -H for hard limit
|
| 898 | case $SH in dash|zsh) exit ;; esac
|
| 899 |
|
| 900 | # Note: ulimit -n -S 1111 is OK in osh/dash/mksh, but not bash/zsh
|
| 901 | # Mus be ulimit -S -n 1111
|
| 902 |
|
| 903 | show_state() {
|
| 904 | local msg=$1
|
| 905 | echo "$msg"
|
| 906 | echo -n ' '; ulimit -S -t
|
| 907 | echo -n ' '; ulimit -H -t
|
| 908 | echo
|
| 909 | }
|
| 910 |
|
| 911 | show_state 'init'
|
| 912 |
|
| 913 | ulimit -S -t 123456
|
| 914 | show_state '-S'
|
| 915 |
|
| 916 | ulimit -H -t 123457
|
| 917 | show_state '-H'
|
| 918 |
|
| 919 | ulimit -t 123455
|
| 920 | show_state 'no flag'
|
| 921 |
|
| 922 | echo 'GET'
|
| 923 |
|
| 924 | ulimit -S -t 123454
|
| 925 | echo -n ' '; ulimit -t
|
| 926 | echo -n ' '; ulimit -S -t
|
| 927 | echo -n ' '; ulimit -H -t
|
| 928 |
|
| 929 | ## STDOUT:
|
| 930 | init
|
| 931 | unlimited
|
| 932 | unlimited
|
| 933 |
|
| 934 | -S
|
| 935 | 123456
|
| 936 | unlimited
|
| 937 |
|
| 938 | -H
|
| 939 | 123456
|
| 940 | 123457
|
| 941 |
|
| 942 | no flag
|
| 943 | 123455
|
| 944 | 123455
|
| 945 |
|
| 946 | GET
|
| 947 | 123454
|
| 948 | 123454
|
| 949 | 123455
|
| 950 | ## END
|
| 951 |
|
| 952 | ## BUG dash/zsh STDOUT:
|
| 953 | ## END
|
| 954 |
|
| 955 | #### Changing resource limit is denied
|
| 956 |
|
| 957 | # Not sure why these don't work
|
| 958 | case $SH in dash|mksh) exit ;; esac
|
| 959 |
|
| 960 |
|
| 961 | flag=-t
|
| 962 |
|
| 963 | ulimit -S -H $flag 100
|
| 964 | echo both=$?
|
| 965 |
|
| 966 | ulimit -S $flag 90
|
| 967 | echo soft=$?
|
| 968 |
|
| 969 | ulimit -S $flag 95
|
| 970 | echo soft=$?
|
| 971 |
|
| 972 | ulimit -S $flag 105
|
| 973 | if test $? -ne 0; then
|
| 974 | echo soft OK
|
| 975 | else
|
| 976 | echo soft fail
|
| 977 | fi
|
| 978 |
|
| 979 | ulimit -H $flag 200
|
| 980 | if test $? -ne 0; then
|
| 981 | echo hard OK
|
| 982 | else
|
| 983 | echo hard fail
|
| 984 | fi
|
| 985 |
|
| 986 | ## STDOUT:
|
| 987 | both=0
|
| 988 | soft=0
|
| 989 | soft=0
|
| 990 | soft OK
|
| 991 | hard OK
|
| 992 | ## END
|
| 993 |
|
| 994 | ## BUG dash/mksh STDOUT:
|
| 995 | ## END
|
| 996 |
|
| 997 | #### ulimit -n limits file descriptors
|
| 998 |
|
| 999 | # OSH bug
|
| 1000 | # https://oilshell.zulipchat.com/#narrow/channel/502349-osh/topic/alpine.20build.20failures.20-.20make.20-.20ulimit.20-n.2064/with/519691301
|
| 1001 |
|
| 1002 | $SH -c 'ulimit -n 64; echo hi >out'
|
| 1003 | echo status=$?
|
| 1004 |
|
| 1005 | $SH -c 'ulimit -n 0; echo hi >out'
|
| 1006 | echo status=$?
|
| 1007 |
|
| 1008 | ## STDOUT:
|
| 1009 | status=0
|
| 1010 | status=1
|
| 1011 | ## END
|
| 1012 |
|
| 1013 | ## OK dash STDOUT:
|
| 1014 | status=0
|
| 1015 | status=2
|
| 1016 | ## END
|