waitpid wnohang

while (PID = Waitpid ( -1, &stat, Wnohang)) > 0)Need to write to the signal processing function, if there are 10 sub-processesAs long as the parent process is able to receive the last signal, the resulting zombie process from the previous loss can

If the child process ends before the parent process, the parent process calls the wait () function and does not call the wait () function to produce two different results: -- if the parent process does not call wait () and waitpid () function, the

From: http://hi.baidu.com/wlzqi/blog/item/208cebc4b1c02dab8326ac79.html The wait function is prototype:　　# Include/* define the pid_t type */# IncludePid_t wait (int * Status)　　　Once a process calls wait, it immediately blocks itself. Wait

If a child process is preceded by a parent process, the wait () function is invoked by the parent process and the wait () function is not invoked to produce two different results:--> If the parent process does not invoke the wait () and the Waitpid (

The function prototype for wait is: #include #include pid_t Wait (int *status) Once the process has called wait, immediately block yourself, by wait to automatically analyze whether a subprocess of the current process has exited, if it finds such

the function prototypes for wait are:#include #include  pid_t Wait (int *status)Once the process has called wait, it immediately blocks itself, and the wait automatically parses if a child process of the current process has exited, and if it finds

Man Wait: NameWait, waitpid, waitid-wait for process to change state Synopsis# Include # Include Pid_t wait (int * status ); Pid_t waitpid (pid_t PID, int * status, int options ); Int waitid (idtype_t idtype, id_t ID, siginfo_t * INFOP, int options

Discovery process-related programming problem contains the amount of knowledge is really too large, this is about wait and waitpid difference, previously just roughly know their differences, this is the comparison of the Internet to see the

1.8 wait 1.8.1 Overview The wait function is prototype: # Include /* define the pid_t type */# Include Pid_t wait (int * Status) Once a process calls wait, it immediately blocks itself. Wait automatically analyzes

Author: LxmuyuLinks: Wait, waitpidWait1.1 IntroductionThe wait function requires a header file:#include #include Wait function prototype:pid_t Wait (int *status);Once the process has called wait, it immediately blocks itself, and the wait