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# 1  
Old 09-24-2008
Running an executable file
I've created a c program and compiled it with gcc, in unix.
The file name is abc.c and it is run by typing the command ./abc

I have another program which creates a child process, and I need this abc program to run on that child process. I've tried execvp(), but it doesn't work.

How can I run such a file on a child process?
# 2  
Old 10-09-2008
I'm a bit confused. Which program is wanting to run which? You want "another program" to run "abc", right? What is this "other program"?
# 3  
Old 10-09-2008
Code:
#define PNAME  "/fullpath/to/abc"
#define ARGS NULL
...
int status;.
if (  (child = fork()) == 0) {
     execl(PNAME,basename(PNAME),ARGS);
} else {
     waitpid(child,&status,0);
     /*test for exit status of child process here with the WIF macros if important*/
}

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