Linux heracles.o2switch.net 4.18.0-553.62.1.lve.el8.x86_64 #1 SMP Mon Jul 21 17:50:35 UTC 2025 x86_64

//usr/include/bits/types/sig_atomic_t.h

 #ifndef __sig_atomic_t_defined
#define __sig_atomic_t_defined 1

#include <bits/types.h>

/* An integral type that can be modified atomically, without the
   possibility of a signal arriving in the middle of the operation.  */
typedef __sig_atomic_t sig_atomic_t;

#endif