bash - Difference between wait and sleep - Stack Overflow
2012年11月8日 · wait is a BASH built-in command. From man bash: wait [n ...] Wait for each specified process and return its termination sta- tus. Each n may be a process ID or a job specification; if a job spec is given, all processes in that job's pipeline are waited for.
c# - await vs Task.Wait - Deadlock? - Stack Overflow
2012年10月30日 · To wait for a single task to complete, you can call its Task.Wait method. A call to the Wait method blocks the calling thread until the single class instance has completed execution. The parameterless Wait() method is used to wait unconditionally until a task completes.
Difference between "wait ()" vs "sleep ()" in Java - Stack Overflow
2016年7月10日 · wait(): when synchronized multiple threads access same Object one by one. sleep(): when synchronized multiple threads wait for sleep over of sleeping thread. Hold lock: wait(): release the lock for other objects to have chance to execute. sleep(): keep lock for at least t times if timeout specified or somebody interrupt. Wake-up condition:
bash - What does wait $! mean - Stack Overflow
To add to this answer: Executing the command (su ...) in the background and immediately waiting for it can be useful when using set -e and writing conditions whose code should still have set -e in place (code that occurs in conditions is usually exempt from set -e).
System Verilog- Wait statements - Stack Overflow
2017年2月26日 · I'm confused about the exact meaning of the wait statement. What happens in this case: forever begin wait (vif.xn_valid == 1'b1); @(posedge vif.clk); end Is the wait statement blocking? Is the @(posedge vif.clk) executed every time inside the loop, regardless of the evaluation of the wait expression? And in this case:
how to use wait in C - Stack Overflow
2014年5月17日 · Also note that it's important to wait for all child processes before the parent process ends. Child processes that you don't wait for will be in a so-called zombie state while the parent process is still running, and once the parent process exits the child processes will be orphaned and made children of process 1.
c - Implicit declaration of function ‘wait’ - Stack Overflow
2017年1月26日 · @MichaelM But including necessary types should be handled by sys/wait.h itself rather than requiring users to include them. POSIX doesn't require sys/types.h either. In summary, sys/types.h isn't required for using wait! –
wait (null) and wait (&status) C language and Status
With wait(&status) you wait for a child to terminate but you want to know some information about it's termination. You can know if the child terminate normally with WIFEXITED(status) for example. status contains information about processes that you can check with some already defined MACRO.
Wait .5 seconds before continuing code VB.net - Stack Overflow
2013年4月7日 · Private Sub Wait(ByVal Seconds As Double, Optional ByRef BreakCondition As Boolean = False) Dim l_WaitUntil As Date l_WaitUntil = Now.AddSeconds(Seconds) Do Until Now > l_WaitUntil If BreakCondition Then Exit Do DoEvents() Loop End Sub
wait - How do I make a delay in Java? - Stack Overflow
If you want to pause then use java.util.concurrent.TimeUnit:. TimeUnit.SECONDS.sleep(1); To sleep for one second or