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orbis-kernel: unblock signals only on wait operations

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implement sys_cpuset_getaffinity, sys_cpuset_setaffinity, sys_rtprio_thread
fix hang on sys_select
simplify sys_thr_*_ucontext
This commit is contained in:
DH 2024-11-13 21:53:05 +03:00
parent c19c70eb77
commit 9fbe1846c0
21 changed files with 675 additions and 236 deletions
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12
orbis-kernel/include/orbis/utils/SharedAtomic.hpp
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@ -23,6 +23,8 @@ static constexpr auto kRelaxSpinCount = 12;
static constexpr auto kSpinCount = 16;
inline namespace utils {
inline thread_local void (*g_scopedUnblock)(bool) = nullptr;
bool try_spin_wait(auto &&pred) {
for (std::size_t i = 0; i < kSpinCount; ++i) {
if (pred()) {
@ -58,8 +60,8 @@ struct shared_atomic32 : std::atomic<std::uint32_t> {
using atomic::operator=;
template <typename Clock, typename Dur>
[[nodiscard]] std::errc wait(std::uint32_t oldValue,
std::chrono::time_point<Clock, Dur> timeout) {
std::errc wait(std::uint32_t oldValue,
std::chrono::time_point<Clock, Dur> timeout) {
if (try_spin_wait(
[&] { return load(std::memory_order::acquire) != oldValue; })) {
return {};
@ -76,12 +78,12 @@ struct shared_atomic32 : std::atomic<std::uint32_t> {
std::chrono::duration_cast<std::chrono::microseconds>(timeout - now));
}
[[nodiscard]] std::errc wait(std::uint32_t oldValue,
std::chrono::microseconds usec_timeout) {
std::errc wait(std::uint32_t oldValue,
std::chrono::microseconds usec_timeout) {
return wait_impl(oldValue, usec_timeout);
}
[[nodiscard]] std::errc wait(std::uint32_t oldValue) {
std::errc wait(std::uint32_t oldValue) {
if (try_spin_wait(
[&] { return load(std::memory_order::acquire) != oldValue; })) {
return {};