SkMutex.h File Reference

#include "include/private/base/SkAssert.h"
#include "include/private/base/SkDebug.h"
#include "include/private/base/SkSemaphore.h"
#include "include/private/base/SkThreadAnnotations.h"
#include "include/private/base/SkThreadID.h"

Go to the source code of this file.

Classes
class	SkAutoMutexExclusive

Functions
class	SK_CAPABILITY ("mutex") SkMutex

Function Documentation

SK_CAPABILITY()

class SK_CAPABILITY

(

"mutex"

)

Definition at line 1 of file SkMutex.h.

                                     {
public:
    constexpr SkMutex() = default;
 
    ~SkMutex() {
        this->assertNotHeld();
    }
 
    void acquire() SK_ACQUIRE() {
        fSemaphore.wait();
        SkDEBUGCODE(fOwner = SkGetThreadID();)
    }
 
    void release() SK_RELEASE_CAPABILITY() {
        this->assertHeld();
        SkDEBUGCODE(fOwner = kIllegalThreadID;)
        fSemaphore.signal();
    }
 
    void assertHeld() SK_ASSERT_CAPABILITY(this) {
        SkASSERT(fOwner == SkGetThreadID());
    }
 
    void assertNotHeld() {
        SkASSERT(fOwner == kIllegalThreadID);
    }
 
private:
    SkSemaphore fSemaphore{1};
    SkDEBUGCODE(SkThreadID fOwner{kIllegalThreadID};)
};