In addition to implementing the POSIX API for threads, the GNU C Library provides additional functions and interfaces to provide functionality not specified in the standard.
|• Default Thread Attributes||Setting default attributes for threads in a process.|
|• Initial Thread Signal Mask||Setting the initial mask of threads.|
|• Waiting with Explicit Clocks||Functions for waiting with an explicit clock specification.|
|• Single-Threaded||Detecting single-threaded execution.|