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import os, py, errno
from rpython.translator.c.test.test_genc import compile
from rpython.rlib import rsignal
def setup_module(mod):
if not hasattr(os, 'kill') or not hasattr(os, 'getpid'):
py.test.skip("requires os.kill() and os.getpid()")
if not hasattr(rsignal, 'SIGUSR1'):
py.test.skip("requires SIGUSR1 in signal")
def check(expected):
res = rsignal.pypysig_poll()
os.write(1, "poll() => %d, expected %d\n" % (res, expected))
assert res == expected
def test_simple():
import os
check(-1)
check(-1)
for i in range(3):
rsignal.pypysig_setflag(rsignal.SIGUSR1)
os.kill(os.getpid(), rsignal.SIGUSR1)
check(rsignal.SIGUSR1)
check(-1)
check(-1)
rsignal.pypysig_ignore(rsignal.SIGUSR1)
os.kill(os.getpid(), rsignal.SIGUSR1)
check(-1)
check(-1)
rsignal.pypysig_default(rsignal.SIGUSR1)
check(-1)
def test_compile():
fn = compile(test_simple, [])
fn()
def test_compile_wakeup_fd():
def fn():
rd, wr = os.pipe()
rsignal.pypysig_set_wakeup_fd(wr, False)
for i in range(3):
rsignal.pypysig_setflag(rsignal.SIGUSR1)
os.kill(os.getpid(), rsignal.SIGUSR1)
check(rsignal.SIGUSR1)
check(-1)
check(-1)
x = os.read(rd, 10)
assert x == chr(rsignal.SIGUSR1) * 3
#
rsignal.pypysig_set_wakeup_fd(rd, False) # can't write there
os.kill(os.getpid(), rsignal.SIGUSR1)
fn = compile(fn, [], return_stderr=True)
stderr = fn()
assert stderr.endswith('Exception ignored when trying to write to the '
'signal wakeup fd: Errno %d\n' % errno.EBADF)
def test_raise():
import os
check(-1)
check(-1)
for i in range(3):
rsignal.pypysig_setflag(rsignal.SIGUSR1)
rsignal.c_raise(rsignal.SIGUSR1)
check(rsignal.SIGUSR1)
check(-1)
check(-1)
rsignal.pypysig_ignore(rsignal.SIGUSR1)
rsignal.c_raise(rsignal.SIGUSR1)
check(-1)
check(-1)
rsignal.pypysig_default(rsignal.SIGUSR1)
check(-1)
def test_strsignal():
assert rsignal.strsignal(rsignal.SIGSEGV).startswith("Segmentation fault")
def test_have_debugger_fields():
s = rsignal.pypysig_getaddr_occurred_fullstruct()
assert s.c_debugger_pending_call == 0
for index in range(8):
assert s.c_cookie[index] == "pypysigs"[index]
assert hasattr(s, 'c_debugger_script_path')
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