Include dependency graph for ncbi_once.h:
This graph shows which files directly or indirectly include this file:
Go to the source code of this file.
Go to the SVN repository for this file.
Macros | |
| #define | CORE_Once(once) (!NCBI_SwapPointers((once), (void*) 1)) |
| Return non-zero (true) if "*once" had a value of NULL, and set the value to non-NULL regardless (best effort: atomically). More... | |
Macro Definition Documentation
◆ CORE_Once
| #define CORE_Once | ( | once | ) | (!NCBI_SwapPointers((once), (void*) 1)) |
Return non-zero (true) if "*once" had a value of NULL, and set the value to non-NULL regardless (best effort: atomically).
Return 0 (false) otherwise.
Definition at line 47 of file ncbi_once.h.
