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package kernel
import (
"reflect"
"gvisor.dev/gvisor/pkg/sync"
"gvisor.dev/gvisor/pkg/sync/locking"
)
// Mutex is sync.Mutex with the correctness validator.
type cpuClockMutex struct {
mu sync.Mutex
}
var cpuClockprefixIndex *locking.MutexClass
// lockNames is a list of user-friendly lock names.
// Populated in init.
var cpuClocklockNames []string
// lockNameIndex is used as an index passed to NestedLock and NestedUnlock,
// refering to an index within lockNames.
// Values are specified using the "consts" field of go_template_instance.
type cpuClocklockNameIndex int
// DO NOT REMOVE: The following function automatically replaced with lock index constants.
// LOCK_NAME_INDEX_CONSTANTS
const ()
// Lock locks m.
// +checklocksignore
func (m *cpuClockMutex) Lock() {
locking.AddGLock(cpuClockprefixIndex, -1)
m.mu.Lock()
}
// NestedLock locks m knowing that another lock of the same type is held.
// +checklocksignore
func (m *cpuClockMutex) NestedLock(i cpuClocklockNameIndex) {
locking.AddGLock(cpuClockprefixIndex, int(i))
m.mu.Lock()
}
// Unlock unlocks m.
// +checklocksignore
func (m *cpuClockMutex) Unlock() {
locking.DelGLock(cpuClockprefixIndex, -1)
m.mu.Unlock()
}
// NestedUnlock unlocks m knowing that another lock of the same type is held.
// +checklocksignore
func (m *cpuClockMutex) NestedUnlock(i cpuClocklockNameIndex) {
locking.DelGLock(cpuClockprefixIndex, int(i))
m.mu.Unlock()
}
// DO NOT REMOVE: The following function is automatically replaced.
func cpuClockinitLockNames() {}
func init() {
cpuClockinitLockNames()
cpuClockprefixIndex = locking.NewMutexClass(reflect.TypeOf(cpuClockMutex{}), cpuClocklockNames)
}
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