Atomic Reference

Functions

void ctrAtomicAdd(uint32_t *ea, const uint32_t value)

Atomically add a value to a variable.

Parameters

• ea -

  Address of the value to atomically update.

• value -

  Value to add to the variable.

void ctrAtomicSub(uint32_t *ea, const uint32_t value)

Atomically subtract a value from a variable.

Parameters

• ea -

  Address of the value to atomically update.

• value -

  Value to subtract from the variable.

void ctrAtomicAnd(uint32_t *ea, const uint32_t value)

Atomically perform an AND operation on a variable.

Parameters

• ea -

  Address of the value to atomically update.

• value -

  Value to AND with the variable.

void ctrAtomicOr(uint32_t *ea, const uint32_t value)

Atomically perform an OR operation on a variable.

Parameters

• ea -

  Address of the value to atomically update.

• value -

  Value to OR with the variable.

void ctrAtomicStore(uint32_t *ea, const uint32_t value)

Atomically set the value of a variable.

Parameters

• ea -

  Address of the value to atomically update.

• value -

  Value to OR with the variable.

void ctrAtomicIncrement(uint32_t *ea)

Atomically increment a variable.

Parameters

• ea -

  Address of the value to atomically update.

void ctrAtomicDecrement(uint32_t *ea)

Atomically decrement a variable.

Parameters

• ea -

  Address of the value to atomically update.

void ctrAtomicCompareAndSwap(uint32_t *ea, uint32_t compare, uint32_t value)

Atomically replace the value of a variable, if it matches a certain value.

Parameters

• ea -

  Address of the value to atomically update.

• compare -

  Value to compare against.

• value -

  Replacement value, if the variable is a match.

uint32_t ctrAtomicRead(uint32_t *ea)

Atomically read an integer value.

Return

Current value of the atomic variable.

Parameters

• ea -

  Address of the variable to atomically read.