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import os
from errno import EINTR
from resource import ffi, lib, _make_struct_rusage
__all__ = ["wait3", "wait4"]
def wait3(options):
status = ffi.new("int *")
ru = ffi.new("struct rusage *")
while True:
pid = lib.wait3(status, options, ru)
if pid != -1:
break
errno = ffi.errno
if errno != EINTR:
raise OSError(errno, os.strerror(errno))
rusage = _make_struct_rusage(ru)
return pid, status[0], rusage
def wait4(pid, options):
status = ffi.new("int *")
ru = ffi.new("struct rusage *")
while True:
pid = lib.wait4(pid, status, options, ru)
if pid != -1:
break
errno = ffi.errno
if errno != EINTR:
raise OSError(errno, os.strerror(errno))
rusage = _make_struct_rusage(ru)
return pid, status[0], rusage
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