+ pid_t ret;
+ if (libc.fork_handler) libc.fork_handler(-1);
+ ret = syscall(SYS_fork);
+ if (libc.lock && !ret) {
+ pthread_t self = __pthread_self();
+ self->tid = self->pid = syscall(SYS_getpid);
+ libc.threads_minus_1 = 0;
+ }
+ if (libc.fork_handler) libc.fork_handler(!ret);
+ return ret;