gcc/libf2c/libF77/setsig.c

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/* Set up the signal behavior. */
#include <stdio.h>
#include "signal1.h"
#ifndef SIGIOT
#ifdef SIGABRT
#define SIGIOT SIGABRT
#endif
#endif
#include <stdlib.h>
extern void sig_die (char *, int);
static void
sigfdie (Sigarg)
{
Use_Sigarg;
sig_die ("Floating Exception", 1);
}
static void
sigidie (Sigarg)
{
Use_Sigarg;
sig_die ("IOT Trap", 1);
}
#ifdef SIGQUIT
static void
sigqdie (Sigarg)
{
Use_Sigarg;
sig_die ("Quit signal", 1);
}
#endif
static void
sigindie (Sigarg)
{
Use_Sigarg;
sig_die ("Interrupt", 0);
}
static void
sigtdie (Sigarg)
{
Use_Sigarg;
sig_die ("Killed", 0);
}
#ifdef SIGTRAP
static void
sigtrdie (Sigarg)
{
Use_Sigarg;
sig_die ("Trace trap", 1);
}
#endif
void
f_setsig ()
{
signal1 (SIGFPE, sigfdie); /* ignore underflow, enable overflow */
#ifdef SIGIOT
signal1 (SIGIOT, sigidie);
#endif
#ifdef SIGTRAP
signal1 (SIGTRAP, sigtrdie);
#endif
#ifdef SIGQUIT
if (signal1 (SIGQUIT, sigqdie) == SIG_IGN)
signal1 (SIGQUIT, SIG_IGN);
#endif
if (signal1 (SIGINT, sigindie) == SIG_IGN)
signal1 (SIGINT, SIG_IGN);
signal1 (SIGTERM, sigtdie);
#ifdef pdp11
ldfps (01200); /* detect overflow as an exception */
#endif
}