C - How can i get return value of command passed to execl?

Posted by Skuja on Stack Overflow See other posts from Stack Overflow or by Skuja
Published on 2010-04-19T11:52:46Z Indexed on 2010/04/19 12:03 UTC
Read the original article Hit count: 255

Filed under:

c

|

exec

I know that it is possible to read commands output with a pipe? But what about getting return value ? For example i want to execute:

execl("/bin/ping", "/bin/ping" , "-c", "1", "-t", "1", ip_addr, NULL);

How can i get returned value of ping command to find out if it returned 0 or 1?

Related posts about exec

Error during maven/ant build: "[java] Timestamp response not valid"

as seen on Stack Overflow - Search for 'Stack Overflow'
My maven build started failing randomly, and it got the following error which I cannot make sense of, and googling it doesn't give me anything useful: [echo] Creating a full package... [java] Timestamp response not valid [INFO] ------------------------------------------------------------------------ [ERROR]… >>> More
CCNet and .Net 4.0

as seen on Stack Overflow - Search for 'Stack Overflow'
Could not load file or assembly 'System.Data' or one of its dependencies. An attempt was made to load a program with an incorrect format We have just upgraded one of our projects to .Net 4.0 and have re-configured our build server (Cruise Control .Net). Anyone help with the above error?… >>> More
in x64 Windows is there a way to run a Runtime.exec() process avoiding 'Registry redirection'

as seen on Stack Overflow - Search for 'Stack Overflow'
Our app runs in jvm 32 bit, even when in windows x64. Now, at some point, I need to access some registry values, for example HKEY_LOCAL_MACHINE/SOFTWARE/mycomp. I do this by executing cmd /C reg query HKEY_LOCAL_MACHINE\SOFTWARE\mycop from Runtime.exec() and parsing the output. This works fine… >>> More
Uploading a file through exec, hanging script

as seen on Stack Overflow - Search for 'Stack Overflow'
Basically in a nutshell is I am using exec() to run WinSCP, which is causing the script to hold until the file is uploaded. Is there anyway to make it so that the script continues, and the upload runs in the background? Running PHP 5.3.1 on Win7. >>> More
PHP exec() on windows not working

as seen on Stack Overflow - Search for 'Stack Overflow'
Hey, I'm trying to execute a program on windows through PHP, the command is posted below. This doesn't seem to be running through the script at all, even though it works when the command is manually entered into the command prompt. exec('C:\\ffmpeg -i ' . $movedfile . ' -acodec aac -ab 128k -vcodec… >>> More

Developer IT

C - How can i get return value of command passed to execl? - Developer IT

C - How can i get return value of command passed to execl?

c

exec

Related posts about c

Related posts about exec

Error during maven/ant build: "[java] Timestamp response not valid"

CCNet and .Net 4.0

in x64 Windows is there a way to run a Runtime.exec() process avoiding 'Registry redirection'

Uploading a file through exec, hanging script

PHP exec() on windows not working

Categories cloud