def __init__(self, space, image=None, trace_important=False,
trace=False, evented=True, interrupts=True):
# === Initialize immutable variables
self.space = space
self.image = image
if image:
self.startup_time = image.startup_time
else:
self.startup_time = constants.CompileTime
self.evented = evented
self.interrupts = interrupts
self.trace_important = trace_important
try:
self.interrupt_counter_size = int(os.environ["SPY_ICS"])
except KeyError:
self.interrupt_counter_size = constants.INTERRUPT_COUNTER_SIZE
self.last_check = self.time_now()
self.trace = trace
# === Initialize mutable variables
self.interrupt_check_counter = self.interrupt_counter_size
self.next_wakeup_tick = 0
self.stack_depth = 0
self.process_switch_count = 0
self.forced_interrupt_checks_count = 0
self.stack_overflow_count = 0
if not objectmodel.we_are_translated():
if USE_SIGUSR1:
rsignal.pypysig_setflag(rsignal.SIGUSR1)
def __init__(self, space, image=None, trace_important=False,
trace=False, evented=True, interrupts=True):
# === Initialize immutable variables
self.space = space
self.image = image
if image:
self.startup_time = image.startup_time
else:
self.startup_time = constants.CompileTime
self.evented = evented
self.interrupts = interrupts
self.trace_important = trace_important
try:
self.interrupt_counter_size = int(os.environ["SPY_ICS"])
except KeyError:
self.interrupt_counter_size = constants.INTERRUPT_COUNTER_SIZE
self.trace = trace
# === Initialize mutable variables
self.interrupt_check_counter = self.interrupt_counter_size
self.next_wakeup_tick = 0
self.trace_proxy = objspace.ConstantFlag()
self.stack_depth = 0
self.process_switch_count = 0
self.forced_interrupt_checks_count = 0
self.stack_overflow_count = 0
if not objectmodel.we_are_translated():
if USE_SIGUSR1:
rsignal.pypysig_setflag(rsignal.SIGUSR1)
def does_stuff():
rsignal.pypysig_setflag(signal.SIGUSR1)
os.kill(os.getpid(), signal.SIGUSR1)
rsignal.pypysig_ignore(signal.SIGUSR1)
while True:
n = rsignal.pypysig_poll()
if n < 0 or n == signal.SIGUSR1:
break
return n
def does_stuff():
rsignal.pypysig_setflag(signal.SIGUSR1)
os.kill(os.getpid(), signal.SIGUSR1)
rsignal.pypysig_ignore(signal.SIGUSR1)
while True:
n = rsignal.pypysig_poll()
if n < 0 or n == signal.SIGUSR1:
break
return n
def does_stuff():
os.setpgid(0, 0) # become its own separated process group
rsignal.pypysig_setflag(signal.SIGUSR1)
os.killpg(os.getpgrp(), signal.SIGUSR1)
rsignal.pypysig_ignore(signal.SIGUSR1)
while True:
n = rsignal.pypysig_poll()
if n < 0 or n == signal.SIGUSR1:
break
return n
def does_stuff():
os.setpgid(0, 0) # become its own separated process group
rsignal.pypysig_setflag(signal.SIGUSR1)
os.killpg(os.getpgrp(), signal.SIGUSR1)
rsignal.pypysig_ignore(signal.SIGUSR1)
while True:
n = rsignal.pypysig_poll()
if n < 0 or n == signal.SIGUSR1:
break
return n
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)
def f():
l = allocate_lock()
l.acquire(True)
#
rsignal.pypysig_setflag(rsignal.SIGALRM)
rsignal.c_alarm(1)
#
t1 = time.time()
ok = l.acquire_timed(2500000)
t2 = time.time()
delay = t2 - t1
if ok == 0: # RPY_LOCK_FAILURE
return -delay
elif ok == 2: # RPY_LOCK_INTR
return delay
else: # RPY_LOCK_ACQUIRED
return 0.0
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_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_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 entry_point(argv):
rsignal.pypysig_setflag(rsignal.SIGINT)
rsocket.rsocket_startup()
constructor = bytecode.constructor.BytecodeConstructor()
if len(argv) < 3:
print_usage(argv[0])
return 1
trace_fd = None
mode = argv[1]
if mode == 'exec':
program = argv[2]
argv = argv[2:]
sys_caller = sys_calls.Perform(program)
elif mode == 'trace' and len(argv) >= 4:
program = argv[3]
trace_fd = open(argv[2], 'w')
argv = argv[3:]
sys_caller = sys_calls.TraceProxy(sys_calls.Perform(program), trace_fd)
elif mode == 'replay' and len(argv) >= 4:
program = argv[3]
argv = argv[3:]
trace_fd = open(argv[2], 'r')
sys_caller = sys_calls.Replay(trace_fd)
else:
print_usage(argv[0])
return 1
with open(program, 'r') as fd:
bytecode.read.read_bytecode(fd, constructor)
arguments = [operators.list.DList([data.ByteString(arg) for arg in argv])]
try:
ex = executor.execute(sys_caller, constructor.get_program(), arguments)
finally:
if trace_fd:
trace_fd.close()
return 0
def init_signals(self):
if self.initialized:
return
self.initialized = True
rsignal.pypysig_setflag(signal.SIGINT)
def init_signals(self):
if self.initialized:
return
self.initialized = True
rsignal.pypysig_setflag(signal.SIGINT)