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Questions - execv

c pipe ls returned strings to parent

I'm currently trying to run an ls command in my C code and then pipe the outputted strings to the parent process via a fd. The problem I'm currently facing is, that I execv the ls command but I don't ...
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SourceCodeEngineer

c

pipe

execv

Votes: 0

Answers: 1

Latest Answer

To start, must call pipe on an int [2] to create a pipe. You have not done this. In the parent process: This read call read(fd2[0], "", 100); does not make sense. "" is a read-on...
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Oka

Fork() and execv() not running in parallel, why?

I'm trying to run a series of commands through execv() and forking a new process in C to run each one, and yet for some reason they aren't running in parallel. The following code is run for each proce...
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Fathom820

c

fork

wait

waitpid

execv

Votes: 0

Answers: 1

Latest Answer

If you don't want to wait for each child process, don't call waitpid immediately; as written, you fork a child, then immediately stop all processing in the parent until the child process exits, preven...
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ShadowRanger

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