exit status of ./a.out (c compiled code) on running it

Question

I have a c compiled code.
I am using

exec('./a.out 2>&1',$out,$ret);

in my php script to get return type where I want to know first whether it ran fine or what went wrong a segmentation fault or infinite loop or something like that.
basically i want to know the exit status 0,1 and 2 and there significance.
if any other exit status exist please tell those also..

Actually, an infinite loop would not return anything, as the program would keep running. — julienc, May 29 '14 at 19:13
http://stackoverflow.com/questions/1101957/are-there-any-standard-exit-status-codes-in-linux — mclaassen, May 29 '14 at 19:15

score 0 · Answer 1 · answered May 29 '14 at 19:37

0

PHP puts the exit status of the exec()ed program to the $ret variable. The program has exited successfully iff $ret becomes 0 after exec() returns.

answered May 29 '14 at 19:37

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exit status of ./a.out (c compiled code) on running it

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