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// Copyright 2019 The Fuchsia Authors
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file or at
#include <platform.h>
#include <zircon/boot/crash-reason.h>
// Gracefully halt and perform |action|.
// This function attempts to acquire the halt token. If successful, it will perform |action| or
// panic if the system cannot be successfully halted before |panic_deadline| is reached.
// If the halt token cannot be acquired, this function will block forever.
void platform_graceful_halt_helper(platform_halt_action action, zircon_crash_reason_t,
zx_time_t panic_deadline);
// Gracefully halt secondary (non-boot) CPUs.
// While the mechanism used is platform dependent, this function attempts to shut them down
// gracefully so that secondary CPUs aren't holding any kernel locks.
// Returns an error if all secondary CPU could not be not successfully shutdown before |deadline| is
// reached.
// This function must be called from the primary (boot) CPU.
zx_status_t platform_halt_secondary_cpus(zx_time_t deadline);