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
|
# Test accuracy of sleep within a thread.
import time
import _thread
def sleep(t, valid_range):
t0 = time.time_ns()
time.sleep(t)
dt_ms = (time.time_ns() - t0) // 1_000_000
if dt_ms in valid_range:
print("dt in range", t)
else:
print("dt not in range:", dt_ms)
def thread_entry():
lock.acquire()
print("thread start")
sleep(0.2, range(180, 400))
print("thread end")
lock = _thread.allocate_lock()
lock.acquire()
_thread.start_new_thread(thread_entry, ())
print("main start")
lock.release()
sleep(0.5, range(480, 800))
print("main end")
|
