typedef void (*sighandler_t)(int);
+//! Atomic integer type
+typedef volatile int sig_atomic_t;
+
#define SIG_IGN ((void*)1)
#define SIG_DFL ((void*)0)
#define SIG_ERR ((void*)-1)
+#define SIGINT 2 // C99
+#define SIGILL 4 // C99
+#define SIGABRT 6 // C99
+#define SIGFPE 8 // C99
+#define SIGSEGV 11 // C99
+#define SIGTERM 15 // C99
+
+extern sighandler_t signal(int signum, sighandler_t handler);
+
+extern int raise(int sig);
+
+// POSIX Signals
#define SIGHUP 1
-#define SIGINT 2
#define SIGQUIT 3
-#define SIGILL 4
-#define SIGABRT 6
-#define SIGFPE 8
#define SIGKILL 9
-#define SIGSEGV 11
-//#define SIGPIPE 13
#define SIGALRM 14
-#define SIGTERM 15
#define SIGUSR1 16
#define SIGUSR2 17
-#define SIGPIPE 1001
-#define SIGCHLD 1002
+#define SIGSTOP 30 // Stop process
+#define SIGTSTP 31 // ? ^Z
+#define SIGTTIN 32 // Background process read TTY
+#define SIGTTOU 33 // Background process write TTY
+#define SIGPIPE 34
+#define SIGCHLD 35
+#define SIGWINCH 36
-extern sighandler_t signal(int signum, sighandler_t handler);
+#include <sys/types.h> // libposix
-extern int raise(int sig);
+typedef long long unsigned int sigset_t;
+extern int sigemptyset(sigset_t *set);
+extern int sigfillset(sigset_t *set);
+
+typedef struct siginfo_s siginfo_t;
+
+struct siginfo_s
+{
+ int si_signo;
+ int si_errno;
+ int si_code;
+ int si_trapno;
+ pid_t si_pid;
+ uid_t si_uid;
+ int si_status;
+ // TODO: There's others
+};
+
+struct sigaction
+{
+ sighandler_t sa_handler;
+ //void (*sa_sigaction)(int, siginfo_t *, void *);
+ sigset_t sa_mask;
+ int sa_flags;
+};
+
+#define SA_NOCLDSTOP 0x001
+
+extern int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact);
#endif