SDL_CondWait -- Wait on a condition variable
#include "SDL.h" #include "SDL_thread.h" int SDL_CondWait(SDL_cond *cond, SDL_mutex *mut);
Unlock the provided mutex and wait for another thread to call SDL_CondSignal or SDL_CondBroadcast on the condition variable cond, then re-lock the mutex and return. The mutex must be locked before entering this function. Returns 0 when it is signalled, or -1 on an error.