大约有 2,300 项符合查询结果（耗时：0.0212秒） [XML]
When should one use a spinlock instead of mutex?
...nd it does not succeed, because the mutex is already locked, it will go to sleep, immediately allowing another thread to run. It will continue to sleep until being woken up, which will be the case once the mutex is being unlocked by whatever thread was holding the lock before. When a thread tries to...
Wait for a process to finish
... @AlexanderMills, if you can tolerate your macOS system not going to sleep as the command executes, caffeinate -w $pid will do the trick.
– zneak
Sep 20 '18 at 1:07
...
What are the differences between the threading and multiprocessing modules?
...lt, self.niters)
class IoThread(threading.Thread):
def __init__(self, sleep):
super().__init__()
self.sleep = sleep
self.result = self.sleep
def run(self):
time.sleep(self.sleep)
class IoProcess(multiprocessing.Process):
def __init__(self, sleep):
...
What's the best way to send a signal to all members of a process group?
...-CONT -"$PGID" # restart a stopped process (above signals do not kill it)
sleep 2 # wait terminate process (more time if required)
kill -KILL -"$PGID" # kill -9 if it does not intercept signals (or buggy)
Limitation
As noticed by davide and Hubert Kario, when kill is invoked by a ...
How to add a progress bar to a shell script?
...es like \r.
Here's a demo:
echo -ne '##### (33%)\r'
sleep 1
echo -ne '############# (66%)\r'
sleep 1
echo -ne '####################### (100%)\r'
echo -ne '\n'
In a comment below, puk mentions this "fails" if you start with a long line and then want to write a s...
MFC 中CImageList的用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...确定取得返回值的图像列表的值，其取值与设置图像列表函数相同。
CImageList Cil1,Cil2; //定义大小图标像列表
CVCLISTApp *pApp=(CVCLISTApp *)AfxGetApp();//取得列表控制程序
Cil1.Create(32,32,TRUE,2,2);//建立32位图像控制
Cil1.Add(pApp->LoadIcon(IDI...
How do you calculate program run time in python? [duplicate]
...t, you can run it under time on a unix-like system.
kotai:~ chmullig$ cat sleep.py
import time
print "presleep"
time.sleep(10)
print "post sleep"
kotai:~ chmullig$ python sleep.py
presleep
post sleep
kotai:~ chmullig$ time python sleep.py
presleep
post sleep
real 0m10.035s
user 0m0.017s
...
VS2005中SetUnhandledExceptionFilter函数应用 - C/C++ - 清泛网 - 专注C/C++及内核技术
VS2005中SetUnhandledExceptionFilter函数应用很多软件通过设置自己的异常捕获函数，捕获未处理的异常，生成报告或者日志（例如生成mini-dump文件），达到Release版本下追踪Bug的目的。...很多软件通过设置自己的异常捕获函数，捕获未...
VC/MFC 临界区域使用方法实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...义一个临界区域对象
*.cpp源文件使用方法：
在类的构造函数内初始化临界区域对象
//该函数必须在任何线程调用EnterCriticalSection函数之前被调用，否则结果将是很难预计的
::InitializeCriticalSection(&m_cs_test);
在类的虚构函数内...
C++构造函数中可不可以调用虚函数？ - C/C++ - 清泛网 - 专注C/C++及内核技术
C++构造函数中可不可以调用虚函数？不可调用，没定义好，不知分配多少空间。不可调用，没定义好，不知分配多少空间。C++ 构造函数 虚函数