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Diff for /gforth/engine/signals.c between versions 1.16 and 1.21

version 1.16, 2002/10/26 12:48:25 version 1.21, 2003/01/19 23:35:34
Line 1 Line 1
 /* signal handling  /* signal handling
   
   Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc.    Copyright (C) 1995-2003 Free Software Foundation, Inc.
   
   This file is part of Gforth.    This file is part of Gforth.
   
Line 21 Line 21
 */  */
   
   
 #define _GNU_SOURCE  #include "config.h"
   #include "forth.h"
 #include <stdio.h>  #include <stdio.h>
 #include <setjmp.h>  #include <setjmp.h>
 #include <string.h>  #include <string.h>
Line 31 Line 31
 #include <sys/ioctl.h>  #include <sys/ioctl.h>
 #endif  #endif
 /* #include <asm/signal.h> */  /* #include <asm/signal.h> */
   #include <sys/types.h>
 #include <signal.h>  #include <signal.h>
 #include "config.h"  
 #include "forth.h"  
 #include "io.h"  #include "io.h"
   
   #ifndef HAVE_STACK_T
   /* Darwin uses "struct sigaltstack" instead of "stack_t" */
   typedef struct sigaltstack stack_t;
   #endif
   
 #define DEFAULTCOLS 80  #define DEFAULTCOLS 80
 #if defined(MSDOS) || defined (_WIN32)  #if defined(MSDOS) || defined (_WIN32)
Line 52  UCell rows=DEFAULTROWS; Line 55  UCell rows=DEFAULTROWS;
 /* systems that don't have SA_NODEFER hopefully don't block anyway */  /* systems that don't have SA_NODEFER hopefully don't block anyway */
 #endif  #endif
   
   #ifndef SA_ONSTACK
   #define SA_ONSTACK 0
   #endif
   
 #ifdef SA_SIGINFO  #ifdef SA_SIGINFO
 void install_signal_handler(int sig, void (*handler)(int, siginfo_t *, void *))  void install_signal_handler(int sig, void (*handler)(int, siginfo_t *, void *))
      /* installs three-argument signal handler for sig */       /* installs three-argument signal handler for sig */
Line 73  Sigfunc *bsd_signal(int signo, Sigfunc * Line 80  Sigfunc *bsd_signal(int signo, Sigfunc *
   
   act.sa_handler=func;    act.sa_handler=func;
   sigemptyset(&act.sa_mask);    sigemptyset(&act.sa_mask);
   act.sa_flags=SA_NODEFER|SA_ONSTACK;    act.sa_flags=SA_NODEFER; /* SA_ONSTACK does not work for graceful_exit */
   if (sigaction(signo,&act,&oact) < 0)    if (sigaction(signo,&act,&oact) < 0)
     return SIG_ERR;      return SIG_ERR;
   else    else
Line 362  void install_signal_handlers(void) Line 369  void install_signal_handlers(void)
   };    };
   int i;    int i;
   void (*throw_handler)() = die_on_signal ? graceful_exit : signal_throw;    void (*throw_handler)() = die_on_signal ? graceful_exit : signal_throw;
   #ifdef SIGSTKSZ 
   stack_t sigstack;    stack_t sigstack;
   int sas_retval=-1;    int sas_retval=-1;
   
Line 372  void install_signal_handlers(void) Line 380  void install_signal_handlers(void)
   }    }
   if (debug)    if (debug)
     fprintf(stderr,"sigaltstack: %s\n",strerror(sas_retval));      fprintf(stderr,"sigaltstack: %s\n",strerror(sas_retval));
   #endif
   
 #define DIM(X)          (sizeof (X) / sizeof *(X))  #define DIM(X)          (sizeof (X) / sizeof *(X))
 /*  /*
Removed from v.1.16  
changed lines
  Added in v.1.21

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