Import sources from 2011-03-30 iso image - sys/include

1 files changed, 95 insertions, 0 deletions

diff --git a/sys/include/ape/signal.h b/sys/include/ape/signal.h
new file mode 100755
index 000000000..81884bddf
--- /dev/null
+++ b/sys/include/ape/signal.h
@@ -0,0 +1,95 @@
+#ifndef __SIGNAL_H
+#define __SIGNAL_H
+#pragma lib "/$M/lib/ape/libap.a"
+
+typedef int sig_atomic_t;
+
+/*
+ * We don't give arg types for signal handlers, in spite of ANSI requirement
+ * that it be 'int' (the signal number), because some programs need an
+ * additional context argument.  So the real type of signal handlers is
+ *      void handler(int sig, char *, struct Ureg *)
+ * where the char * is the Plan 9 message and Ureg is defined in <ureg.h>
+ */
+#define SIG_DFL ((void (*)())0)
+#define SIG_ERR ((void (*)())-1)
+#define SIG_IGN ((void (*)())1)
+
+#define	SIGHUP	1	/* hangup */
+#define	SIGINT	2	/* interrupt */
+#define	SIGQUIT	3	/* quit */
+#define	SIGILL	4	/* illegal instruction (not reset when caught)*/
+#define SIGABRT 5	/* used by abort */
+#define	SIGFPE	6	/* floating point exception */
+#define	SIGKILL	7	/* kill (cannot be caught or ignored) */
+#define	SIGSEGV	8	/* segmentation violation */
+#define	SIGPIPE	9	/* write on a pipe with no one to read it */
+#define	SIGALRM	10	/* alarm clock */
+#define	SIGTERM	11	/* software termination signal from kill */
+#define	SIGUSR1	12	/* user defined signal 1 */
+#define	SIGUSR2	13	/* user defined signal 2 */
+#define	SIGBUS	14	/* bus error */
+
+/* The following symbols must be defined, but the signals needn't be supported */
+#define SIGCHLD	15	/* child process terminated or stopped */
+#define SIGCONT 16	/* continue if stopped */
+#define SIGSTOP 17	/* stop */
+#define SIGTSTP	18	/* interactive stop */
+#define SIGTTIN	19	/* read from ctl tty by member of background */
+#define SIGTTOU	20	/* write to ctl tty by member of background */
+
+#ifdef _BSD_EXTENSION
+#define NSIG 21
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern void (*signal(int, void (*)()))();
+extern int raise(int);
+
+#ifdef __cplusplus
+}
+#endif
+
+#ifdef _POSIX_SOURCE
+
+typedef long sigset_t;
+struct sigaction {
+	void		(*sa_handler)();
+	sigset_t	sa_mask;
+	int		sa_flags;
+};
+/* values for sa_flags */
+#define SA_NOCLDSTOP	1
+
+/* first argument to sigprocmask */
+#define SIG_BLOCK	1
+#define SIG_UNBLOCK	2
+#define SIG_SETMASK	3
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __TYPES_H
+extern int kill(pid_t, int);
+#endif
+extern int sigemptyset(sigset_t *);
+extern int sigfillset(sigset_t *);
+extern int sigaddset(sigset_t *, int);
+extern int sigdelset(sigset_t *, int);
+extern int sigismember(const sigset_t *, int);
+extern int sigaction(int, const struct sigaction *, struct sigaction *);
+extern int sigprocmask(int, sigset_t *, sigset_t *);
+extern int sigpending(sigset_t *);
+extern int sigsuspend(const sigset_t *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _POSIX_SOURCE */
+
+#endif /* __SIGNAL_H */