Why not provide semaphores directly in CPP11?

Why not provide semaphores directly in

RT,CPP11? Instead, it can be implemented jointly with mutexes and conditional variables, for what consideration?


semaphore is a system function

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b2c3b4-2bb0b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b2c3b4-2bb0b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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