/usr/share/checkbox/scripts/process_wait is in checkbox 0.13.7.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | #!/usr/bin/python
import os
import sys
import time
from optparse import OptionParser
from subprocess import Popen, PIPE
COMMAND_FORMAT = "pgrep -f %(options)s %(process)s"
def process_pids(process, *options):
options_string = " ".join(options)
command = COMMAND_FORMAT % {"options": options_string, "process": process}
# Exclude this process and the pgrep process
subprocess = Popen(command, stdout=PIPE, shell=True)
exclude_pids = [os.getpid(), os.getppid(), subprocess.pid]
pids_string = subprocess.communicate()[0]
pids = [int(pid) for pid in pids_string.split()]
result = set(pids).difference(exclude_pids)
return list(result)
def process_count(*args):
return len(process_pids(*args))
def main(args):
default_sleep = 1
usage = "Usage: %prog PROCESS [PROCESS...]"
parser = OptionParser(usage=usage)
parser.add_option("-s", "--sleep",
type="int",
default=default_sleep,
help="Number of seconds to sleep between checks.")
parser.add_option("-t", "--timeout",
type="int",
help="Number of seconds to timeout from sleeping.")
parser.add_option("-u", "--uid",
help="Effective user name or id of the running processes")
(options, processes) = parser.parse_args(args)
process_args = []
if options.uid is not None:
process_args.extend(["-u", options.uid])
while True:
for process in processes:
if process_count(process, *process_args):
break
else:
break
if options.timeout is not None:
if options.timeout <= 0:
return 1
else:
options.timeout -= options.sleep
time.sleep(options.sleep)
return 0
if __name__ == "__main__":
sys.exit(main(sys.argv[1:]))
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