ADD file via upload

include/signal.h

@@ -0,0 +1,68 @@
+#ifndef _SIGNAL_H
+#define _SIGNAL_H
+
+#include <sys/types.h>
+
+typedef int sig_atomic_t;
+typedef unsigned int sigset_t;		/* 32 bits */
+
+#define _NSIG             32
+#define NSIG		_NSIG
+
+#define SIGHUP		 1
+#define SIGINT		 2
+#define SIGQUIT		 3
+#define SIGILL		 4
+#define SIGTRAP		 5
+#define SIGABRT		 6
+#define SIGIOT		 6
+#define SIGUNUSED	 7
+#define SIGFPE		 8
+#define SIGKILL		 9
+#define SIGUSR1		10
+#define SIGSEGV		11
+#define SIGUSR2		12
+#define SIGPIPE		13
+#define SIGALRM		14
+#define SIGTERM		15
+#define SIGSTKFLT	16
+#define SIGCHLD		17
+#define SIGCONT		18
+#define SIGSTOP		19
+#define SIGTSTP		20
+#define SIGTTIN		21
+#define SIGTTOU		22
+
+/* Ok, I haven't implemented sigactions, but trying to keep headers POSIX */
+#define SA_NOCLDSTOP	1
+#define SA_NOMASK	0x40000000
+#define SA_ONESHOT	0x80000000
+
+#define SIG_BLOCK          0	/* for blocking signals */
+#define SIG_UNBLOCK        1	/* for unblocking signals */
+#define SIG_SETMASK        2	/* for setting the signal mask */
+
+#define SIG_DFL		((void (*)(int))0)	/* default signal handling */
+#define SIG_IGN		((void (*)(int))1)	/* ignore signal */
+
+struct sigaction {
+	void (*sa_handler)(int);
+	sigset_t sa_mask;
+	int sa_flags;
+	void (*sa_restorer)(void);
+};
+
+void (*signal(int _sig, void (*_func)(int)))(int);
+int raise(int sig);
+int kill(pid_t pid, int sig);
+int sigaddset(sigset_t *mask, int signo);
+int sigdelset(sigset_t *mask, int signo);
+int sigemptyset(sigset_t *mask);
+int sigfillset(sigset_t *mask);
+int sigismember(sigset_t *mask, int signo); /* 1 - is, 0 - not, -1 error */
+int sigpending(sigset_t *set);
+int sigprocmask(int how, sigset_t *set, sigset_t *oldset);
+int sigsuspend(sigset_t *sigmask);
+int sigaction(int sig, struct sigaction *act, struct sigaction *oldact);
+
+#endif /* _SIGNAL_H */