exec2.c

UNIX编程高级环境（第二版）的进程部分的程序源码

#include    <sys/types.h>
#include    <sys/wait.h>
#include    "ourhdr.h"
int
main(void)
{
    pid_t    pid;

    if ( (pid = fork()) < 0)
        err_sys("fork error");
    else if (pid == 0) {            /* child */
        if (execl("/home/hop/bin/testinterp",
                  "testinterp", "myarg1", "MY ARG2", (char *) 0) < 0)
            err_sys("execl error");
    }

    if (waitpid(pid, NULL, 0) < 0)    /* parent */
        err_sys("waitpid error");
    exit(0);
}