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[rpcsx-os/orbis-kernel] random bugfixes

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ipmi: fixed respond sync, get message, try get message, try send message
event: detach event emitter from file
signals: basic implementation
linker: fixed zero symbol relocation, fixed exec relocation
shared_cv/mutex: implement eintr response support
shared_cv: fixed possible loop instead of wait
ipmi: implement invoke async, respond async, get result, get client app id, client get name
rpcsx-os: add safemode flag
This commit is contained in:
DH 2024-01-13 20:57:02 +03:00
parent 8791312d4f
commit 65e653f5ef
81 changed files with 2586 additions and 761 deletions
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18
orbis-kernel/src/utils/SharedCV.cpp
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@ -5,7 +5,7 @@
#include <unistd.h>
namespace orbis::utils {
void shared_cv::impl_wait(shared_mutex &mutex, unsigned _val,
int shared_cv::impl_wait(shared_mutex &mutex, unsigned _val,
std::uint64_t usec_timeout) noexcept {
// Not supposed to fail
if (!_val) {
@ -17,8 +17,10 @@ void shared_cv::impl_wait(shared_mutex &mutex, unsigned _val,
timeout.tv_nsec = (usec_timeout % 1000'000) * 1000;
timeout.tv_sec = (usec_timeout / 1000'000);
int result = 0;
while (true) {
auto result = syscall(SYS_futex, &m_value, FUTEX_WAIT, _val,
result = syscall(SYS_futex, &m_value, FUTEX_WAIT, _val,
usec_timeout + 1 ? &timeout : nullptr, 0, 0);
if (result < 0) {
result = errno;
@ -27,7 +29,7 @@ void shared_cv::impl_wait(shared_mutex &mutex, unsigned _val,
// Cleanup
const auto old = atomic_fetch_op(m_value, [&](unsigned &value) {
// Remove waiter if no signals
if (!(value & ~c_waiter_mask) && result != EAGAIN && result != EINTR) {
if (!(value & ~c_waiter_mask) && result != EAGAIN) {
value -= 1;
}
@ -43,22 +45,24 @@ void shared_cv::impl_wait(shared_mutex &mutex, unsigned _val,
// Lock is already acquired
if (old & c_locked_mask) {
return;
return 0;
}
// Wait directly (waiter has been added)
if (old & c_signal_mask) {
mutex.impl_wait();
return;
return mutex.impl_wait();
}
// Possibly spurious wakeup
if (result != EAGAIN && result != EINTR) {
if (result != EAGAIN) {
break;
}
_val = old;
}
mutex.lock();
return result;
}
void shared_cv::impl_wake(shared_mutex &mutex, int _count) noexcept {