C++ (Cpp) compat_sigaltstack примеры использования

Пример #1

Файл: kern_sig_13.c Проект: Tommmster/netbsd-avr32

int
compat_13_sys_sigaltstack(struct lwp *l, const struct compat_13_sys_sigaltstack_args *uap, register_t *retval)
{
	/* {
		syscallarg(const struct sigaltstack13 *) nss;
		syscallarg(struct sigaltstack13 *) oss;
	} */
	compat_sigaltstack(uap, sigaltstack13, SS_ONSTACK, SS_DISABLE);
}

Пример #2

Файл: netbsd32_signal.c Проект: ryo/netbsd-src

int
netbsd32___sigaltstack14(struct lwp *l, const struct netbsd32___sigaltstack14_args *uap, register_t *retval)
{
	/* {
		syscallarg(const netbsd32_sigaltstackp_t) nss;
		syscallarg(netbsd32_sigaltstackp_t) oss;
	} */
	compat_sigaltstack(uap, netbsd32_sigaltstack, SS_ONSTACK, SS_DISABLE);
}

Пример #3

Файл: restore.c Проект: virthub/virthub

int ckpt_restore_signals(ckpt_desc_t desc)
{
    int i;
    int ret;
    stack_t sigstack;
    sigset_t sigblocked;

    log_restore_signals("restoring sigstack ...");
    if (ckpt_read(desc, &sigstack, sizeof(stack_t)) != sizeof(stack_t)) {
        log_err("failed to get sigstack");
        return -EIO;
    }

    ret = compat_sigaltstack(current, &sigstack, NULL, 0);
    if (ret) {
        log_err("failed to restore sigstack (ret=%d)", ret);
        return ret;
    }

    log_restore_signals("restoring sigblocked ...");
    if (ckpt_read(desc, &sigblocked, sizeof(sigset_t)) != sizeof(sigset_t)) {
        log_err("failed to restore sigstack");
        return -EIO;
    }

    sigdelsetmask(&sigblocked, sigmask(SIGKILL) | sigmask(SIGSTOP));
    spin_lock_irq(&current->sighand->siglock);
    current->blocked = sigblocked;
    recalc_sigpending();
    spin_unlock_irq(&current->sighand->siglock);

    log_restore_signals("restoring pending ...");
    ret = ckpt_restore_sigpending(&current->pending, 0, desc);
    if (ret) {
        log_err("failed to restore pending");
        return ret;
    }

    ret = ckpt_restore_sigpending(&current->signal->shared_pending, 1, desc);
    if (ret) {
        log_err("failed to restore shared_pending");
        return ret;
    }

    log_restore_signals("restoring sigaction ...");
    for (i = 0; i < _NSIG; i++) {
        struct k_sigaction sigaction;

        if (ckpt_read(desc, &sigaction, sizeof(struct k_sigaction)) != sizeof(struct k_sigaction)) {
            log_err("failed to get sigaction");
            return -EIO;
        }

        if ((i != SIGKILL - 1) && (i != SIGSTOP - 1)) {
            ret = do_sigaction(i + 1, &sigaction, 0);
            if (ret) {
                log_err("failed to restore sigaction (ret=%d)", ret);
                return ret;
            }
        }
    }
    log_restore_pos(desc);
    return 0;
}

Пример #4

Файл: netbsd32_compat_13.c Проект: Tommmster/netbsd-avr32

int
compat_13_netbsd32_sigaltstack13(struct lwp *l, const struct compat_13_netbsd32_sigaltstack13_args *uap, register_t *retval)
{
	compat_sigaltstack(uap, netbsd32_sigaltstack13, SS_ONSTACK, SS_DISABLE);
}