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NCBI C++ ToolKit: include/util/lock_vector.hpp Source File

<

TLockVect>

timeout_ms);

timeout_ms);

<

TLockVect>

: m_LockVector(&lvect),

m_Timeout(timeout_ms),

<

TLockVect>

: m_LockVector(&lvect),

m_Timeout(timeout_ms),

<

TLockVect>

(exception& ex)

<

TLockVect>

(

= 0;

< m_Spins; ++

) {

m_LockSet = m_LockVector->TryLock(m_Id);

sleep_ms = 10;

time_spent = 0;

m_LockSet = m_LockVector->TryLock(m_Id);

time_spent += sleep_ms;

(time_spent > m_Timeout) {

=

<

TLockVect>

<

TLockVect>

unlocked = m_LockVector->Unlock(m_Id);

m_LockVector =

.m_LockVector; m_Id =

.m_Id;

(m_IdVector.any()) {

);

is_set = m_IdVector.set_bit_conditional(

,

,

);

is_set = m_IdVector.set_bit_conditional(

,

,

);

(m_IdVector[

] ==

);

m_IdVector.optimize(0, TBitVector::opt_free_0);

m_IdVector[id];

Lock guard for the CLockVector.

Class implements bit-vector based lock storage registering millions of int numbered objects.

#define ERR_POST_XX(error_name, err_subcode, message)

Error posting with error code having given name and with given error subcode.

#define NCBI_THROW(exception_class, err_code, message)

Generic macro to throw an exception, given the exception class, error code and message string.

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

static string UIntToString(unsigned int value, TNumToStringFlags flags=0, int base=10)

Convert UInt to string.

TLockVector * m_LockVector

bool TryLock(unsigned id)

Try to acquire lock of specified id.

void TakeFrom(CLockVectorGuard &lg)

Transfer lock ownership from another lock.

CLockVectorGuard(TLockVector &lvect, unsigned id, unsigned timeout_ms)

Construct and lock.

void Release()

Forger lock.

TBitVector m_IdVector

vector of locked objs

unsigned GetTimeout() const

void FreeUnusedMem()

Reclaim unused memory.

void Lock(unsigned id)

Acquire lock.

CLockVectorGuard< TLockVect > & operator=(const CLockVectorGuard< TLockVect > &)

unsigned GetId() const

Get BLOB id.

CFastMutex m_IdVector_Lock

lock for m_LockVector

TLockVector & GetLockVector() const

CLockVectorGuard(TLockVector &lvect, unsigned timeout_ms)

Construct without locking.

bool IsLocked(unsigned id) const

Check if id is locked or not.

void Unlock()

Unlocks the lock.

CLockVectorGuard(const CLockVectorGuard< TLockVect > &)

bool Unlock(unsigned id)

Unlock object.

void SetId(unsigned id)

Assign Id (no locking)

void DoLock()

Lock acquisition.

CLockVector & operator=(const CLockVector< BV > &)

CLockVector(const CLockVector< BV > &)

@ BM_GAP

GAP compression is ON.

Definition of all error codes used in util (xutil.lib).

Compressed bitset (entry point to bm.h)

void SleepMilliSec(unsigned long ml_sec, EInterruptOnSignal onsignal=eRestartOnSignal)

Miscellaneous common-use basic types and functionality.

Multi-threading – mutexes; rw-locks; semaphore.

static SLJIT_INLINE sljit_ins lg(sljit_gpr r, sljit_s32 d, sljit_gpr x, sljit_gpr b)

static SLJIT_INLINE sljit_ins msg(sljit_gpr r, sljit_s32 d, sljit_gpr x, sljit_gpr b)

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