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19 lines
497 B
19 lines
497 B
#include "selfdrive/common/watchdog.h"
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#include <unistd.h>
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#include <cstdint>
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#include <string>
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#include "selfdrive/common/timing.h"
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#include "selfdrive/common/util.h"
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const std::string watchdog_fn_prefix = "/dev/shm/wd_"; // + <pid>
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bool watchdog_kick() {
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std::string fn = watchdog_fn_prefix + std::to_string(getpid());
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std::string cur_t = std::to_string(nanos_since_boot());
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int r = util::write_file(fn.c_str(), cur_t.data(), cur_t.length(), O_WRONLY | O_CREAT);
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return r == 0;
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}
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