child-process_开发者

Node.js Piping-how to write?

I need to figure out how I can give exec permissions to write. var exec = require(\'child_process\').exec;[详细]

2023-03-27 07:25 分类：问答

How to implement a shared buffer?

I\'ve got one program which creates 3 worker programs. The preferable method of communication in my situation would be through a memory buffer which all four programs may access.[详细]

2023-03-25 22:19 分类：问答

bash restart sub-process using trap SIGCHLD?

I\'ve seen monitoring programs either in scripts that check process status using \'ps\' or \'service status(on Linux)\' periodically, or in C/C++ that forks and wait on the process...[详细]

2023-03-21 16:08 分类：问答

Why can't I write to a child process's socket during a SIGQUIT?

I have a master process that communicates with children processes via UNIX sockets. I am unable to write to the children\'s sockets when the master process receives a SIGQUIT. I would like the child p[详细]

2023-03-19 16:55 分类：问答

Do I have to close inherited handle later owned by child process?

Microsoft played safe here. In their article, \"Creating a Child Process with Redirected Input and Output\", they are saying:[详细]

2023-03-17 14:16 分类：问答

Too many open files when using NodeJS child_processes.spawn to run scripts

Scenario: Using a master script to spawn a variable number of child processes a variable number of times in order to perform load testing against a server.[详细]

2023-03-06 19:22 分类：问答

How to prevent console from being displayed when using VLC's dummy interface

I\'m trying to launch VLC in \"dummy\" mode from a Node.js server script, however using child_process.spawn(\'vlc\',[\'-I dummy\']) produces a new console window for VLC\'s output when using Windows.[详细]

2023-03-06 02:17 分类：问答

Writing to file descriptor

In the following snippet i am redirecting the output of the ls command to input of wc -l which works perfectly .Now i also want to redirect the output of ls command to a file named \"beejoutput.txt\"[详细]

2023-03-05 14:23 分类：问答

Writing to child process file descriptor

I have a program \"Sample\" which takes input both from stdin and a non-standard file descriptor (3 or 4) as shown below[详细]

2023-03-05 08:36 分类：问答

Redirecting input and output of a child process in C

I want to write a c program in which i create multiple child processes and redirect their inputs and outputs to different file descriptors .I goo开发者_开发知识库gled a lot but couldn\'t find relevant[详细]

2023-03-04 19:42 分类：问答