ff2b29d0ea
Summary: One cannot use mknod or mkfifo on user Android devices. This commit changes the use of pipe to a file to synchronize between the inferior and the test. Test Plan: dotest.py -P TestAttachDenied Reviewers: ovyalov, chaoren Reviewed By: chaoren Subscribers: tberghammer, lldb-commits Differential Revision: http://reviews.llvm.org/D9768 llvm-svn: 237328
65 lines
2.2 KiB
Python
65 lines
2.2 KiB
Python
"""
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Test denied process attach.
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"""
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import os
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import time
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import unittest2
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import lldb
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from lldbtest import *
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exe_name = 'AttachDenied' # Must match Makefile
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class AttachDeniedTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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def run_platform_command(self, cmd):
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platform = self.dbg.GetSelectedPlatform()
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shell_command = lldb.SBPlatformShellCommand(cmd)
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err = platform.Run(shell_command)
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return (err, shell_command.GetStatus(), shell_command.GetOutput())
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@skipIfWindows
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def test_attach_to_process_by_id_denied(self):
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"""Test attach by process id denied"""
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self.buildDefault()
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exe = os.path.join(os.getcwd(), exe_name)
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# Use a file as a synchronization point between test and inferior.
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pid_file_path = os.path.join(self.get_process_working_directory(),
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"pid_file_%d" % (int(time.time())))
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self.addTearDownHook(lambda: self.run_platform_command("rm %s" % (pid_file_path)))
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# Spawn a new process
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popen = self.spawnSubprocess(exe, [pid_file_path])
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self.addTearDownHook(self.cleanupSubprocesses)
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max_attempts = 5
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for i in range(max_attempts):
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err, retcode, msg = self.run_platform_command("ls %s" % pid_file_path)
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if err.Success() and retcode == 0:
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break
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else:
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print msg
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if i < max_attempts:
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# Exponential backoff!
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time.sleep(pow(2, i) * 0.25)
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else:
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self.fail("Child PID file %s not found even after %d attempts." % (pid_file_path, max_attempts))
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err, retcode, pid = self.run_platform_command("cat %s" % (pid_file_path))
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self.assertTrue(err.Success() and retcode == 0,
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"Failed to read file %s: %s, retcode: %d" % (pid_file_path, err.GetCString(), retcode))
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self.expect('process attach -p ' + pid,
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startstr = 'error: attach failed:',
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error = True)
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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