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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from ctypes import sizeof, windll, addressof, c_wchar, create_unicode_buffer
from ctypes.wintypes import DWORD, HANDLE
PROCESS_TERMINATE = 0x0001
PROCESS_QUERY_INFORMATION = 0x0400
PROCESS_VM_READ = 0x0010
def get_pids(process_name):
BIG_ARRAY = DWORD * 4096
processes = BIG_ARRAY()
needed = DWORD()
pids = []
result = windll.psapi.EnumProcesses(processes,
sizeof(processes),
addressof(needed))
if not result:
return pids
num_results = needed.value / sizeof(DWORD)
for i in range(num_results):
pid = processes[i]
process = windll.kernel32.OpenProcess(PROCESS_QUERY_INFORMATION |
PROCESS_VM_READ,
0, pid)
if process:
module = HANDLE()
result = windll.psapi.EnumProcessModules(process,
addressof(module),
sizeof(module),
addressof(needed))
if result:
name = create_unicode_buffer(1024)
result = windll.psapi.GetModuleBaseNameW(process, module,
name, len(name))
# TODO: This might not be the best way to
# match a process name; maybe use a regexp instead.
if name.value.startswith(process_name):
pids.append(pid)
windll.kernel32.CloseHandle(module)
windll.kernel32.CloseHandle(process)
return pids
def kill_pid(pid):
process = windll.kernel32.OpenProcess(PROCESS_TERMINATE, 0, pid)
if process:
windll.kernel32.TerminateProcess(process, 0)
windll.kernel32.CloseHandle(process)
if __name__ == '__main__':
import subprocess
import time
# This test just opens a new notepad instance and kills it.
name = 'notepad'
old_pids = set(get_pids(name))
subprocess.Popen([name])
time.sleep(0.25)
new_pids = set(get_pids(name)).difference(old_pids)
if len(new_pids) != 1:
raise Exception('%s was not opened or get_pids() is '
'malfunctioning' % name)
kill_pid(tuple(new_pids)[0])
newest_pids = set(get_pids(name)).difference(old_pids)
if len(newest_pids) != 0:
raise Exception('kill_pid() is malfunctioning')
print "Test passed."
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