def _sem_timedwait_save(sem, deadline):
delay = 0
void = lltype.nullptr(rffi.VOIDP.TO)
with lltype.scoped_alloc(TIMEVALP.TO, 1) as tvdeadline:
while True:
# poll
if _sem_trywait(sem) == 0:
return 0
elif rposix.get_saved_errno() != errno.EAGAIN:
return -1
now = gettimeofday()
c_tv_sec = rffi.getintfield(deadline[0], 'c_tv_sec')
c_tv_nsec = rffi.getintfield(deadline[0], 'c_tv_nsec')
if (c_tv_sec < now[0]
or (c_tv_sec == now[0] and c_tv_nsec <= now[1])):
rposix.set_saved_errno(errno.ETIMEDOUT)
return -1
# calculate how much time is left
difference = ((c_tv_sec - now[0]) * 1000000 +
(c_tv_nsec - now[1]))
# check delay not too long -- maximum is 20 msecs
if delay > 20000:
delay = 20000
if delay > difference:
delay = difference
delay += 1000
# sleep
rffi.setintfield(tvdeadline[0], 'c_tv_sec', delay / 1000000)
rffi.setintfield(tvdeadline[0], 'c_tv_usec', delay % 1000000)
if _select(0, void, void, void, tvdeadline) < 0:
return -1
def f(n, x, *args):
rposix.set_saved_errno(24)
result1 = c_test()
result2 = rposix.get_saved_errno()
assert result1 == 24
assert result2 == 42
n -= 1
return (n, x) + args
def f(n, x, *args):
rposix.set_saved_errno(24)
result1 = c_test()
result2 = rposix.get_saved_errno()
assert result1 == 24
assert result2 == 42
n -= 1
return (n, x) + args
def readdir(dirp):
rposix.set_saved_errno(0)
direntp = os_readdir(dirp)
if not direntp:
if rposix.get_saved_errno() == 0:
return None
else:
raise OSError(rposix.get_saved_errno(), "error in readdir")
namep = rffi.cast(rffi.CCHARP, direntp.c_d_name)
return rffi.charp2str(namep)
def readdir(dirp):
rposix.set_saved_errno(0)
direntp = os_readdir(dirp)
if not direntp:
if rposix.get_saved_errno() == 0:
return None
else:
raise OSError(rposix.get_saved_errno(), "error in readdir")
namep = rffi.cast(rffi.CCHARP, direntp.c_d_name)
return rffi.charp2str(namep)
def _sem_timedwait_save(sem, deadline):
delay = 0
void = lltype.nullptr(rffi.VOIDP.TO)
with lltype.scoped_alloc(TIMEVALP.TO, 1) as tvdeadline:
while True:
# poll
if _sem_trywait(sem) == 0:
return 0
elif rposix.get_saved_errno() != errno.EAGAIN:
return -1
now = gettimeofday()
c_tv_sec = rffi.getintfield(deadline[0], 'c_tv_sec')
c_tv_nsec = rffi.getintfield(deadline[0], 'c_tv_nsec')
if (c_tv_sec < now[0] or
(c_tv_sec == now[0] and c_tv_nsec <= now[1])):
rposix.set_saved_errno(errno.ETIMEDOUT)
return -1
# calculate how much time is left
difference = ((c_tv_sec - now[0]) * 1000000 +
(c_tv_nsec - now[1]))
# check delay not too long -- maximum is 20 msecs
if delay > 20000:
delay = 20000
if delay > difference:
delay = difference
delay += 1000
# sleep
rffi.setintfield(tvdeadline[0], 'c_tv_sec', delay / 1000000)
rffi.setintfield(tvdeadline[0], 'c_tv_usec', delay % 1000000)
if _select(0, void, void, void, tvdeadline) < 0:
return -1
def f():
set_saved_errno(12)
return get_saved_errno()
def check_errno(value):
rposix.set_saved_errno(value)
for i in range(10000000):
pass
assert rposix.get_saved_errno() == value
def f():
set_saved_errno(12)
return get_saved_errno()
def set_errno(space, w_errno):
rposix.set_saved_errno(space.int_w(w_errno))
def check_errno(value):
rposix.set_saved_errno(value)
for i in range(10000000):
pass
assert rposix.get_saved_errno() == value
def set_errno(space, errno):
rposix.set_saved_errno(errno)
def set_errno(space, w_errno):
rposix.set_saved_errno(space.int_w(w_errno))
