What is atomic_flag_clear_explicit in C?

What it does

atomic_flag_clear_explicit is defined in the stdatomic.h header file and serves to change the value of an atomic flag to false. What makes atomic_flag_clear_explicit different from atomic_flag_clear is that the former also requires the user to specify the synchronization mode to use.

Syntax

The syntax for the function declaration is as follows:

Parameters

atomic_flag_clear takes a two, mandatory parameter:

• flg: A pointer to an atomic_flag object.

• sync_mode: The value for the memory synchronization mode. This is of type memory_order.

Return value

atomic_flag_clear_explicit does not return anything.