Preliminary signal handling.

[pdclib] / includes / signal.h

diff --git a/includes/signal.h b/includes/signal.h
new file mode 100644 (file)
index 0000000..7123b4a
--- /dev/null
+++ b/includes/signal.h
@@ -0,0 +1,39 @@
+/* $Id$ */
+
+/* Signal handling <string.h>
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#ifndef _PDCLIB_SIGNAL_H
+#define _PDCLIB_SIGNAL_H _PDCLIB_SIGNAL_H
+
+#ifndef _PDCLIB_CONFIG_H
+#define _PDCLIB_CONFIG_H _PDCLIB_CONFIG_H
+#include <_PDCLIB_config.h>
+#endif
+
+typedef _PDCLIB_sig_atomic sig_atomic_t;
+
+#define SIG_DFL _PDCLIB_SIG_DFL
+#define SIG_ERR _PDCLIB_SIG_ERR
+#define SIG_IGN _PDCLIB_SIG_IGN
+
+#define SIGABRT _PDCLIB_SIGABRT
+#define SIGFPE  _PDCLIB_SIGFPE
+#define SIGILL  _PDCLIB_SIGILL
+#define SIGINT  _PDCLIB_SIGINT
+#define SIGSEGV _PDCLIB_SIGSEGV
+#define SIGTERM _PDCLIB_SIGTERM
+
+/* Returns the value of func for the most recent successful call to signal()
+   for the signal sig. Returns SIG_ERR and sets errno to a positive value
+   otherwise.
+*/
+void (*signal( int sig, void (*func)( int ) ) )( int );
+
+/* Returns zero if successful, nonzero otherwise. */
+int raise( int sig );
+
+#endif