github.com/afumu/libc@v0.0.6/musl/src/stdio/ofl.c (about)

     1  #include "stdio_impl.h"
     2  #include "lock.h"
     3  
     4  static FILE *ofl_head;
     5  static volatile int ofl_lock[1];
     6  
     7  FILE **__ofl_lock()
     8  {
     9  	LOCK(ofl_lock);
    10  	return &ofl_head;
    11  }
    12  
    13  void __ofl_unlock()
    14  {
    15  	UNLOCK(ofl_lock);
    16  }