#ifndef _SIGNAL_H
#define _SIGNAL_H

/* A minimal header to allow libstdc++-v3 pre-compiled headers to build.
   We just pretend that there are signal / raise functions, even though
   they are not implemented.  */
typedef void (*sighandler_t)(int);
extern sighandler_t signal(int signum, sighandler_t handler);

#define SIG_DFL  ((sighandler_t)0)
#define SIG_ERR  ((sighandler_t)((void*)signal+1))
#define SIG_HOLD ((sighandler_t)((void*)signal+2))
#define SIG_IGN  ((sighandler_t)((void*)signal+3))

volatile signed char sig_atomic_t;
typedef int sigset_t;

extern int raise(int sig);

#endif /* _SIGNAL_H */