os_getpid
if (tcsetpgrp(pty_fd, os_getpid()) < 0) {
sprintf(pid_buf, "%d", os_getpid());
extern int os_getpid(void);
EXPORT_SYMBOL(os_getpid);
(fcntl(fd, F_SETOWN, os_getpid()) < 0)) {
(fcntl(master, F_SETOWN, os_getpid()) < 0))
kill(os_getpid(), SIGIO);
os_getpid());
int pid = os_getpid(), ppid = getppid();
sc_result = os_getpid();