Hi,

ShellExecute is used to call one application (a file.exe) in Windows. But I want to call the application in a same manner but in Linux. Is there any command available ?

Can I use fork() with execv() together? I have tried this method but I am facing problem in this. Can anybody please tell anyway to do this ?

I got this following code from the net.

#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>

int foo(char *adr[])
{
pid_t pid;
//printf ("%s\t", adr[0]);
//printf ("%s", **adr);
pid=fork();
if (pid==0)
{
if (execv("/home/vlc",adr)<0)
return -1;
else
return 1;
}
else if(pid>0)
return 2;
else
return 0;
}

int main(int argc,char *argv[])
{
if (foo(argv)<=0)
perror("foo");
return 0;
}

This is very exactly working to call the application. But I need to give this in as a command line argument.

Actually I want to work in the following way with fork() and execv().


#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <signal.h>


int foo1(char *adr[])
{
execv("/home/client_server/vlc",adr);
// pid_t pid;
//printf ("%s\t", adr[0]);
//printf ("%s", **adr);
// pid=fork();
}

int foo2(char *adr[])
{ // if (pid==0)
//{


execv("/home/vlc",adr);


//return -1;
//else
//return 1;
//}
//else if(pid>0)
// return 2;
//else
// return 0;
}


void forkfun()
{

int x = 1;
pid_t pid = fork();
if (pid == 0) {
foo1(argv);
printf("Child has x = %d\n", ++x);
// foo1(argv);
} else {
printf("Parent has x = %d\n", --x);
foo2(argv);
}
printf("Bye from process %d with x = %d\n", getpid(), x);
}


int main(int argc, char *argv[])
{
forkfun();
int option = 0;
// if (argc > 1)
// option = atoi(argv[1]);
foo1(argv);
foo2(argv);

//perror("foo");
return 0;
}

This gives the error. Actually as far as to my application, I can only one time supply arguments in command line. If I call execv to run the application then I need to go with fork. But the above situation is needed one. But I am getting error.Once the program is started, I cannot come back and my application name in command line argument. So kindly tell me the way to do it.

Thanks & Regards,

Mohamed Mydeeen A

Please use code tags to ease readability.

You should try the far simpler "system" function.