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make more readable

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This commit is contained in:
J. Nick Koston 2025-07-19 10:38:28 -10:00
parent a5f5af9596
commit 58696961bd
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1 changed files with 97 additions and 104 deletions
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11
esphome/core/scheduler.cpp
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@ -511,15 +511,10 @@ uint64_t Scheduler::millis_64_(uint32_t now) {
#ifdef ESPHOME_SINGLE_CORE #ifdef ESPHOME_SINGLE_CORE
// This is the single core implementation. // This is the single core implementation.
// //
// The implementation handles the 32-bit rollover (every 49.7 days) by: // Single-core platforms have no concurrency, so this is a simple implementation
// 1. Using a lock when detecting rollover to ensure atomic update // that just tracks 32-bit rollover (every 49.7 days) without any locking or atomics.
// 2. Restricting normal updates to forward movement within the same epoch
// This prevents race conditions at the rollover boundary without requiring
// 64-bit atomics or locking on every call.
uint16_t major = this->millis_major_; uint16_t major = this->millis_major_;
// Single-core platforms: No atomics needed
uint32_t last = this->last_millis_; uint32_t last = this->last_millis_;
// Check for rollover // Check for rollover
@ -538,7 +533,6 @@ uint64_t Scheduler::millis_64_(uint32_t now) {
// Combine major (high 32 bits) and now (low 32 bits) into 64-bit time // Combine major (high 32 bits) and now (low 32 bits) into 64-bit time
return now + (static_cast<uint64_t>(major) << 32); return now + (static_cast<uint64_t>(major) << 32);
}
#endif // ESPHOME_SINGLE_CORE #endif // ESPHOME_SINGLE_CORE
#ifdef ESPHOME_MULTI_CORE_NO_ATOMICS #ifdef ESPHOME_MULTI_CORE_NO_ATOMICS
@ -652,7 +646,6 @@ for (;;) {
return now + (static_cast<uint64_t>(major) << 32); return now + (static_cast<uint64_t>(major) << 32);
} }
#endif // ESPHOME_MULTI_CORE_ATOMICS #endif // ESPHOME_MULTI_CORE_ATOMICS
} }
bool HOT Scheduler::SchedulerItem::cmp(const std::unique_ptr<SchedulerItem> &a, bool HOT Scheduler::SchedulerItem::cmp(const std::unique_ptr<SchedulerItem> &a,