| 1 | #!/usr/bin/env python2
|
| 2 | """process_test.py: Tests for process.py."""
|
| 3 |
|
| 4 | import os
|
| 5 | import unittest
|
| 6 |
|
| 7 | from _devbuild.gen.id_kind_asdl import Id
|
| 8 | from _devbuild.gen.runtime_asdl import (RedirValue, redirect_arg, cmd_value,
|
| 9 | trace)
|
| 10 | from _devbuild.gen.syntax_asdl import loc, redir_loc
|
| 11 | from asdl import runtime
|
| 12 | from builtin import read_osh
|
| 13 | from builtin import process_osh
|
| 14 | from builtin import trap_osh
|
| 15 | from core import dev
|
| 16 | from core import process # module under test
|
| 17 | from core import pyos
|
| 18 | from core import sh_init
|
| 19 | from core import state
|
| 20 | from core import test_lib
|
| 21 | from core import util
|
| 22 | from display import ui
|
| 23 | from frontend import flag_def # side effect: flags are defined, for wait builtin
|
| 24 | from mycpp import iolib
|
| 25 | from mycpp import mylib
|
| 26 | from mycpp.mylib import log
|
| 27 |
|
| 28 | import posix_ as posix
|
| 29 |
|
| 30 | _ = flag_def
|
| 31 |
|
| 32 | Process = process.Process
|
| 33 | ExternalThunk = process.ExternalThunk
|
| 34 |
|
| 35 |
|
| 36 | def Banner(msg):
|
| 37 | print('-' * 60)
|
| 38 | print(msg)
|
| 39 |
|
| 40 |
|
| 41 | def _CommandNode(code_str, arena):
|
| 42 | c_parser = test_lib.InitCommandParser(code_str, arena=arena)
|
| 43 | return c_parser.ParseLogicalLine()
|
| 44 |
|
| 45 |
|
| 46 | class FakeJobControl(object):
|
| 47 |
|
| 48 | def __init__(self, enabled):
|
| 49 | self.enabled = enabled
|
| 50 |
|
| 51 | def Enabled(self):
|
| 52 | return self.enabled
|
| 53 |
|
| 54 |
|
| 55 | def _SetupTest(self):
|
| 56 | self.arena = test_lib.MakeArena('process_test.py')
|
| 57 |
|
| 58 | self.mem = test_lib.MakeMem(self.arena)
|
| 59 | parse_opts, exec_opts, mutable_opts = state.MakeOpts(self.mem, {}, None)
|
| 60 | self.mem.exec_opts = exec_opts
|
| 61 |
|
| 62 | #state.InitMem(mem, {}, '0.1')
|
| 63 | sh_init.InitDefaultVars(self.mem, [])
|
| 64 |
|
| 65 | self.job_control = process.JobControl()
|
| 66 | self.job_list = process.JobList()
|
| 67 |
|
| 68 | signal_safe = iolib.InitSignalSafe()
|
| 69 | self.trap_state = trap_osh.TrapState(signal_safe)
|
| 70 |
|
| 71 | fd_state = None
|
| 72 | self.multi_trace = dev.MultiTracer(posix.getpid(), '', '', '', fd_state)
|
| 73 | self.tracer = dev.Tracer(None, exec_opts, mutable_opts, self.mem,
|
| 74 | mylib.Stderr(), self.multi_trace)
|
| 75 | self.waiter = process.Waiter(self.job_list, exec_opts, self.trap_state,
|
| 76 | self.tracer)
|
| 77 | self.errfmt = ui.ErrorFormatter()
|
| 78 | self.fd_state = process.FdState(self.errfmt, self.job_control,
|
| 79 | self.job_list, None, self.tracer, None,
|
| 80 | exec_opts)
|
| 81 | self.ext_prog = process.ExternalProgram('', self.fd_state, self.errfmt,
|
| 82 | util.NullDebugFile())
|
| 83 |
|
| 84 |
|
| 85 | def _MakeThunk(argv, ext_prog):
|
| 86 | arg_vec = cmd_value.Argv(argv, [loc.Missing] * len(argv), False, None,
|
| 87 | None)
|
| 88 | argv0_path = None
|
| 89 | for path_entry in ['/bin', '/usr/bin']:
|
| 90 | full_path = os.path.join(path_entry, argv[0])
|
| 91 | if os.path.exists(full_path):
|
| 92 | argv0_path = full_path
|
| 93 | break
|
| 94 | if not argv0_path:
|
| 95 | argv0_path = argv[0] # fallback that tests failure case
|
| 96 | return ExternalThunk(ext_prog, argv0_path, arg_vec, {})
|
| 97 |
|
| 98 |
|
| 99 | class ProcessTest(unittest.TestCase):
|
| 100 |
|
| 101 | def setUp(self):
|
| 102 | _SetupTest(self)
|
| 103 |
|
| 104 | def _ExtProc(self, argv):
|
| 105 | thunk = _MakeThunk(argv, self.ext_prog)
|
| 106 | return Process(thunk, self.job_control, self.job_list, self.tracer)
|
| 107 |
|
| 108 | def testStdinRedirect(self):
|
| 109 | PATH = '_tmp/one-two.txt'
|
| 110 | # Write two lines
|
| 111 | with open(PATH, 'w') as f:
|
| 112 | f.write('one\ntwo\n')
|
| 113 |
|
| 114 | # Should get the first line twice, because Pop() closes it!
|
| 115 |
|
| 116 | r = RedirValue(Id.Redir_Less, runtime.NO_SPID, redir_loc.Fd(0),
|
| 117 | redirect_arg.Path(PATH))
|
| 118 |
|
| 119 | class CommandEvaluator(object):
|
| 120 |
|
| 121 | def RunPendingTraps(self):
|
| 122 | pass
|
| 123 |
|
| 124 | cmd_ev = CommandEvaluator()
|
| 125 |
|
| 126 | err_out = []
|
| 127 | self.fd_state.Push([r], err_out)
|
| 128 | line1, _ = read_osh._ReadPortion(pyos.NEWLINE_CH, -1, cmd_ev)
|
| 129 | self.fd_state.Pop(err_out)
|
| 130 |
|
| 131 | self.fd_state.Push([r], err_out)
|
| 132 | line2, _ = read_osh._ReadPortion(pyos.NEWLINE_CH, -1, cmd_ev)
|
| 133 | self.fd_state.Pop(err_out)
|
| 134 |
|
| 135 | # sys.stdin.readline() would erroneously return 'two' because of buffering.
|
| 136 | self.assertEqual('one', line1)
|
| 137 | self.assertEqual('one', line2)
|
| 138 |
|
| 139 | def testProcess(self):
|
| 140 | # 3 fds. Does Python open it? Shell seems to have it too. Maybe it
|
| 141 | # inherits from the shell.
|
| 142 | print('FDS BEFORE', os.listdir('/dev/fd'))
|
| 143 |
|
| 144 | Banner('date')
|
| 145 | argv = ['date']
|
| 146 | p = self._ExtProc(argv)
|
| 147 | why = trace.External(argv)
|
| 148 | status = p.RunProcess(self.waiter, why)
|
| 149 | log('date returned %d', status)
|
| 150 | self.assertEqual(0, status)
|
| 151 |
|
| 152 | Banner('does-not-exist')
|
| 153 | p = self._ExtProc(['does-not-exist'])
|
| 154 | print(p.RunProcess(self.waiter, why))
|
| 155 |
|
| 156 | # 12 file descriptors open!
|
| 157 | print('FDS AFTER', os.listdir('/dev/fd'))
|
| 158 |
|
| 159 | def testPipeline(self):
|
| 160 | node = _CommandNode('uniq -c', self.arena)
|
| 161 | cmd_ev = test_lib.InitCommandEvaluator(arena=self.arena,
|
| 162 | ext_prog=self.ext_prog)
|
| 163 | print('BEFORE', os.listdir('/dev/fd'))
|
| 164 |
|
| 165 | p = process.Pipeline(False, self.job_control, self.job_list,
|
| 166 | self.tracer)
|
| 167 | p.Add(self._ExtProc(['ls']))
|
| 168 | p.Add(self._ExtProc(['cut', '-d', '.', '-f', '2']))
|
| 169 | p.Add(self._ExtProc(['sort']))
|
| 170 |
|
| 171 | p.AddLast((cmd_ev, node))
|
| 172 |
|
| 173 | p.StartPipeline(self.waiter)
|
| 174 | pipe_status = p.RunLastPart(self.waiter, self.fd_state)
|
| 175 | log('pipe_status: %s', pipe_status)
|
| 176 |
|
| 177 | print('AFTER', os.listdir('/dev/fd'))
|
| 178 |
|
| 179 | def testPipeline2(self):
|
| 180 | cmd_ev = test_lib.InitCommandEvaluator(arena=self.arena,
|
| 181 | ext_prog=self.ext_prog)
|
| 182 |
|
| 183 | Banner('ls | cut -d . -f 1 | head')
|
| 184 | p = process.Pipeline(False, self.job_control, self.job_list,
|
| 185 | self.tracer)
|
| 186 | p.Add(self._ExtProc(['ls']))
|
| 187 | p.Add(self._ExtProc(['cut', '-d', '.', '-f', '1']))
|
| 188 |
|
| 189 | node = _CommandNode('head', self.arena)
|
| 190 | p.AddLast((cmd_ev, node))
|
| 191 |
|
| 192 | p.StartPipeline(self.waiter)
|
| 193 | print(p.RunLastPart(self.waiter, self.fd_state))
|
| 194 |
|
| 195 | # Simulating subshell for each command
|
| 196 | node1 = _CommandNode('ls', self.arena)
|
| 197 | node2 = _CommandNode('head', self.arena)
|
| 198 | node3 = _CommandNode('sort --reverse', self.arena)
|
| 199 |
|
| 200 | thunk1 = process.SubProgramThunk(cmd_ev, node1, self.trap_state,
|
| 201 | self.multi_trace, True, False)
|
| 202 | thunk2 = process.SubProgramThunk(cmd_ev, node2, self.trap_state,
|
| 203 | self.multi_trace, True, False)
|
| 204 | thunk3 = process.SubProgramThunk(cmd_ev, node3, self.trap_state,
|
| 205 | self.multi_trace, True, False)
|
| 206 |
|
| 207 | p = process.Pipeline(False, self.job_control, self.job_list,
|
| 208 | self.tracer)
|
| 209 | p.Add(Process(thunk1, self.job_control, self.job_list, self.tracer))
|
| 210 | p.Add(Process(thunk2, self.job_control, self.job_list, self.tracer))
|
| 211 | p.Add(Process(thunk3, self.job_control, self.job_list, self.tracer))
|
| 212 |
|
| 213 | last_thunk = (cmd_ev, _CommandNode('cat', self.arena))
|
| 214 | p.AddLast(last_thunk)
|
| 215 |
|
| 216 | p.StartPipeline(self.waiter)
|
| 217 | print(p.RunLastPart(self.waiter, self.fd_state))
|
| 218 |
|
| 219 | # TODO: Combine pipelines for other things:
|
| 220 |
|
| 221 | # echo foo 1>&2 | tee stdout.txt
|
| 222 | #
|
| 223 | # foo=$(ls | head)
|
| 224 | #
|
| 225 | # foo=$(<<EOF ls | head)
|
| 226 | # stdin
|
| 227 | # EOF
|
| 228 | #
|
| 229 | # ls | head &
|
| 230 |
|
| 231 | # Or technically we could fork the whole interpreter for foo|bar|baz and
|
| 232 | # capture stdout of that interpreter.
|
| 233 |
|
| 234 | def makeTestPipeline(self, jc):
|
| 235 | cmd_ev = test_lib.InitCommandEvaluator(arena=self.arena,
|
| 236 | ext_prog=self.ext_prog)
|
| 237 |
|
| 238 | pi = process.Pipeline(False, jc, self.job_list, self.tracer)
|
| 239 |
|
| 240 | node1 = _CommandNode('/bin/echo testpipeline', self.arena)
|
| 241 | node2 = _CommandNode('cat', self.arena)
|
| 242 |
|
| 243 | thunk1 = process.SubProgramThunk(cmd_ev, node1, self.trap_state,
|
| 244 | self.multi_trace, True, False)
|
| 245 | thunk2 = process.SubProgramThunk(cmd_ev, node2, self.trap_state,
|
| 246 | self.multi_trace, True, False)
|
| 247 |
|
| 248 | pi.Add(Process(thunk1, jc, self.job_list, self.tracer))
|
| 249 | pi.Add(Process(thunk2, jc, self.job_list, self.tracer))
|
| 250 |
|
| 251 | return pi
|
| 252 |
|
| 253 | def testPipelinePgidField(self):
|
| 254 | jc = FakeJobControl(False)
|
| 255 |
|
| 256 | pi = self.makeTestPipeline(jc)
|
| 257 | self.assertEqual(process.INVALID_PGID, pi.ProcessGroupId())
|
| 258 |
|
| 259 | pi.StartPipeline(self.waiter)
|
| 260 | # No pgid
|
| 261 | self.assertEqual(process.INVALID_PGID, pi.ProcessGroupId())
|
| 262 |
|
| 263 | jc = FakeJobControl(True)
|
| 264 |
|
| 265 | pi = self.makeTestPipeline(jc)
|
| 266 | self.assertEqual(process.INVALID_PGID, pi.ProcessGroupId())
|
| 267 |
|
| 268 | pi.StartPipeline(self.waiter)
|
| 269 | # first process is the process group leader
|
| 270 | self.assertEqual(pi.pids[0], pi.ProcessGroupId())
|
| 271 |
|
| 272 | def testOpen(self):
|
| 273 | # Disabled because mycpp translation can't handle it. We do this at a
|
| 274 | # higher layer.
|
| 275 | return
|
| 276 |
|
| 277 | # This function used to raise BOTH OSError and IOError because Python 2 is
|
| 278 | # inconsistent.
|
| 279 | # We follow Python 3 in preferring OSError.
|
| 280 | # https://stackoverflow.com/questions/29347790/difference-between-ioerror-and-oserror
|
| 281 | self.assertRaises(OSError, self.fd_state.Open, '_nonexistent_')
|
| 282 | self.assertRaises(OSError, self.fd_state.Open, 'metrics/')
|
| 283 |
|
| 284 |
|
| 285 | class JobListTest(unittest.TestCase):
|
| 286 | """
|
| 287 | Test invariant that the 'wait' builtin removes the (pid -> status)
|
| 288 | mappings (NOT the Waiter)
|
| 289 |
|
| 290 | There are 4 styles of invoking it:
|
| 291 |
|
| 292 | wait # for all
|
| 293 | wait -n # for next
|
| 294 | wait $pid1 $pid2 # for specific jobs -- problem: are pipelines included?
|
| 295 | wait %j1 %j2 # job specs -- jobs are either pielines or processes
|
| 296 |
|
| 297 | Bonus:
|
| 298 |
|
| 299 | jobs -l can show exit status
|
| 300 | """
|
| 301 |
|
| 302 | def setUp(self):
|
| 303 | _SetupTest(self)
|
| 304 |
|
| 305 | self.wait_builtin = process_osh.Wait(self.waiter, self.job_list,
|
| 306 | self.mem, self.tracer,
|
| 307 | self.errfmt)
|
| 308 |
|
| 309 | def _ExtProc(self, argv):
|
| 310 | thunk = _MakeThunk(argv, self.ext_prog)
|
| 311 | return Process(thunk, self.job_control, self.job_list, self.tracer)
|
| 312 |
|
| 313 | def _RunBackgroundJob(self, argv):
|
| 314 | p = self._ExtProc(argv)
|
| 315 |
|
| 316 | # Similar to Executor::StartBackgroundJob()
|
| 317 | p.SetBackground()
|
| 318 | pid = p.StartProcess(trace.Fork)
|
| 319 |
|
| 320 | #self.mem.last_bg_pid = pid # for $!
|
| 321 |
|
| 322 | job_id = self.job_list.AddJob(p) # show in 'jobs' list
|
| 323 | return pid, job_id
|
| 324 |
|
| 325 | def _StartProcesses(self, n):
|
| 326 | pids = []
|
| 327 | job_ids = []
|
| 328 |
|
| 329 | assert n < 10, n
|
| 330 | for i in xrange(1, n + 1):
|
| 331 | j = 10 - i # count down
|
| 332 | argv = ['sh', '-c', 'sleep 0.0%d; echo i=%d; exit %d' % (j, j, j)]
|
| 333 | pid, job_id = self._RunBackgroundJob(argv)
|
| 334 | pids.append(pid)
|
| 335 | job_ids.append(job_id)
|
| 336 |
|
| 337 | log('pids %s', pids)
|
| 338 | log('job_ids %s', job_ids)
|
| 339 |
|
| 340 | return pids, job_ids
|
| 341 |
|
| 342 | def assertJobListLength(self, length):
|
| 343 | self.assertEqual(length, len(self.job_list.child_procs))
|
| 344 | self.assertEqual(length, len(self.job_list.jobs))
|
| 345 | self.assertEqual(length, len(self.job_list.pid_to_job))
|
| 346 |
|
| 347 | def testWaitAll(self):
|
| 348 | """ wait """
|
| 349 | # Jobs list starts out empty
|
| 350 | self.assertJobListLength(0)
|
| 351 |
|
| 352 | # Fork 2 processes with &
|
| 353 | pids, job_ids = self._StartProcesses(2)
|
| 354 |
|
| 355 | # Now we have 2 jobs
|
| 356 | self.assertJobListLength(2)
|
| 357 |
|
| 358 | # Invoke the 'wait' builtin
|
| 359 |
|
| 360 | cmd_val = test_lib.MakeBuiltinArgv(['wait'])
|
| 361 | status = self.wait_builtin.Run(cmd_val)
|
| 362 | self.assertEqual(0, status)
|
| 363 |
|
| 364 | # Jobs list is now empty
|
| 365 | self.assertJobListLength(0)
|
| 366 |
|
| 367 | def testWaitNext(self):
|
| 368 | """ wait -n """
|
| 369 | # Jobs list starts out empty
|
| 370 | self.assertJobListLength(0)
|
| 371 |
|
| 372 | # Fork 2 processes with &
|
| 373 | pids, job_ids = self._StartProcesses(2)
|
| 374 |
|
| 375 | # Now we have 2 jobs
|
| 376 | self.assertJobListLength(2)
|
| 377 |
|
| 378 | ### 'wait -n'
|
| 379 | cmd_val = test_lib.MakeBuiltinArgv(['wait', '-n'])
|
| 380 | status = self.wait_builtin.Run(cmd_val)
|
| 381 | self.assertEqual(8, status)
|
| 382 |
|
| 383 | # Jobs list now has 1 fewer job
|
| 384 | self.assertJobListLength(1)
|
| 385 |
|
| 386 | ### 'wait -n' again
|
| 387 | cmd_val = test_lib.MakeBuiltinArgv(['wait', '-n'])
|
| 388 | status = self.wait_builtin.Run(cmd_val)
|
| 389 | self.assertEqual(9, status)
|
| 390 |
|
| 391 | # Now zero
|
| 392 | self.assertJobListLength(0)
|
| 393 |
|
| 394 | ### 'wait -n' again
|
| 395 | cmd_val = test_lib.MakeBuiltinArgv(['wait', '-n'])
|
| 396 | status = self.wait_builtin.Run(cmd_val)
|
| 397 | self.assertEqual(127, status)
|
| 398 |
|
| 399 | # Still zero
|
| 400 | self.assertJobListLength(0)
|
| 401 |
|
| 402 | def testWaitPid(self):
|
| 403 | """ wait $pid2 """
|
| 404 | # Jobs list starts out empty
|
| 405 | self.assertJobListLength(0)
|
| 406 |
|
| 407 | # Fork 3 processes with &
|
| 408 | pids, job_ids = self._StartProcesses(3)
|
| 409 |
|
| 410 | # Now we have 3 jobs
|
| 411 | self.assertJobListLength(3)
|
| 412 |
|
| 413 | # wait $pid2
|
| 414 | cmd_val = test_lib.MakeBuiltinArgv(['wait', str(pids[1])])
|
| 415 | status = self.wait_builtin.Run(cmd_val)
|
| 416 | self.assertEqual(8, status)
|
| 417 |
|
| 418 | # Jobs list now has 1 fewer job
|
| 419 | self.assertJobListLength(2)
|
| 420 |
|
| 421 | # wait $pid3
|
| 422 | cmd_val = test_lib.MakeBuiltinArgv(['wait', str(pids[2])])
|
| 423 | status = self.wait_builtin.Run(cmd_val)
|
| 424 | self.assertEqual(7, status)
|
| 425 |
|
| 426 | self.assertJobListLength(1)
|
| 427 |
|
| 428 | # wait $pid1
|
| 429 | cmd_val = test_lib.MakeBuiltinArgv(['wait', str(pids[0])])
|
| 430 | status = self.wait_builtin.Run(cmd_val)
|
| 431 | self.assertEqual(9, status)
|
| 432 |
|
| 433 | self.assertJobListLength(0)
|
| 434 |
|
| 435 | def testWaitJob(self):
|
| 436 | """ wait %j2 """
|
| 437 |
|
| 438 | # Jobs list starts out empty
|
| 439 | self.assertJobListLength(0)
|
| 440 |
|
| 441 | # Fork 3 processes with &
|
| 442 | pids, job_ids = self._StartProcesses(3)
|
| 443 |
|
| 444 | # Now we have 3 jobs
|
| 445 | self.assertJobListLength(3)
|
| 446 |
|
| 447 | # wait %j2
|
| 448 | cmd_val = test_lib.MakeBuiltinArgv(['wait', '%' + str(job_ids[1])])
|
| 449 | status = self.wait_builtin.Run(cmd_val)
|
| 450 | self.assertEqual(8, status)
|
| 451 |
|
| 452 | self.assertJobListLength(2)
|
| 453 |
|
| 454 | # wait %j3
|
| 455 | cmd_val = test_lib.MakeBuiltinArgv(['wait', '%' + str(job_ids[2])])
|
| 456 |
|
| 457 | status = self.wait_builtin.Run(cmd_val)
|
| 458 | self.assertEqual(7, status)
|
| 459 |
|
| 460 | self.assertJobListLength(1)
|
| 461 |
|
| 462 | # wait %j1
|
| 463 | cmd_val = test_lib.MakeBuiltinArgv(['wait', '%' + str(job_ids[0])])
|
| 464 | status = self.wait_builtin.Run(cmd_val)
|
| 465 | self.assertEqual(9, status)
|
| 466 |
|
| 467 | self.assertJobListLength(0)
|
| 468 |
|
| 469 | def testForegroundProcessCleansUpChildProcessDict(self):
|
| 470 | self.assertJobListLength(0)
|
| 471 |
|
| 472 | argv = ['sleep', '0.01']
|
| 473 | p = self._ExtProc(argv)
|
| 474 | why = trace.External(argv)
|
| 475 | p.RunProcess(self.waiter, why)
|
| 476 |
|
| 477 | self.assertJobListLength(0)
|
| 478 |
|
| 479 | def testGrandchildOutlivesChild(self):
|
| 480 | """ The new parent is the init process """
|
| 481 |
|
| 482 | # Jobs list starts out empty
|
| 483 | self.assertEqual(0, len(self.job_list.child_procs))
|
| 484 |
|
| 485 | # the sleep process should outlive the sh process
|
| 486 | argv = ['sh', '-c', 'sleep 0.1 & exit 99']
|
| 487 | pid, job_id = self._RunBackgroundJob(argv)
|
| 488 |
|
| 489 | cmd_val = test_lib.MakeBuiltinArgv(['wait', '-n'])
|
| 490 | status = self.wait_builtin.Run(cmd_val)
|
| 491 | log('status = %d', status)
|
| 492 | self.assertEqual(99, status)
|
| 493 |
|
| 494 | cmd_val = test_lib.MakeBuiltinArgv(['wait', '-n'])
|
| 495 | status = self.wait_builtin.Run(cmd_val)
|
| 496 | log('status = %d', status)
|
| 497 | self.assertEqual(127, status)
|
| 498 |
|
| 499 | # More tests:
|
| 500 | #
|
| 501 | # wait $pipeline_pid - with pipeline leader, and other PID
|
| 502 | # wait %pipeline_job
|
| 503 | # wait -n on pipeline? Does it return PIPESTATUS?
|
| 504 | # wait with pipeline - should be OK
|
| 505 | #
|
| 506 | # Stopped jobs: does it print something interactively?
|
| 507 |
|
| 508 |
|
| 509 | class PipelineJobListTest(unittest.TestCase):
|
| 510 | """
|
| 511 | Like the above, but starts pipelines instead of individual processes.
|
| 512 | """
|
| 513 |
|
| 514 | def setUp(self):
|
| 515 | _SetupTest(self)
|
| 516 |
|
| 517 | self.wait_builtin = process_osh.Wait(self.waiter, self.job_list,
|
| 518 | self.mem, self.tracer,
|
| 519 | self.errfmt)
|
| 520 |
|
| 521 | def _ExtProc(self, argv):
|
| 522 | thunk = _MakeThunk(argv, self.ext_prog)
|
| 523 | return Process(thunk, self.job_control, self.job_list, self.tracer)
|
| 524 |
|
| 525 | def _RunBackgroundJob(self, argv):
|
| 526 | p = self._ExtProc(argv)
|
| 527 |
|
| 528 | # Similar to Executor::StartBackgroundJob()
|
| 529 | p.SetBackground()
|
| 530 | pid = p.StartProcess(trace.Fork)
|
| 531 |
|
| 532 | #self.mem.last_bg_pid = pid # for $!
|
| 533 |
|
| 534 | job_id = self.job_list.AddJob(p) # show in 'jobs' list
|
| 535 | return pid, job_id
|
| 536 |
|
| 537 | # TODO: Add all the same tests
|
| 538 |
|
| 539 |
|
| 540 | if __name__ == '__main__':
|
| 541 | unittest.main()
|
| 542 |
|
| 543 | # vim: sw=4
|