Re: [Mingw-users] sigaction

[<mi...@ca...>]

There is nothing like signals in win32.
But there are events, which uses CreateEvent, SetEvent and ResetEvent.
An event can also have a name, which makes it possible for one application to send an event to another.
It two applications have an event with the same name, a collision occurs.
Another common way of sending "signals" to win32 processes is to use window messages.
(Which you send with SendMessage or PostMessage).

/Anders Lindén

----- Original Message -----
From: "Bill Page" <bil...@sy...>
To: <Min...@li...>
Sent: Monday, June 23, 2003 6:21 PM
Subject: [Mingw-users] sigaction


> What is the right way to port an application that uses
> sigaction?
>
> Compiling the following code fragment:
>
> --------
>
> #include "useproto.h"
> #include "bsdsignal.h"
>
> #include <signal.h>
> #include "bsdsignal.H1"
>
> SignalHandlerFunc
> #ifdef _NO_PROTO
> bsdSignal(sig,action,restartSystemCall)
>      int sig;
>      SignalHandlerFunc action;
>      int restartSystemCall;
> #else
> bsdSignal(int sig,SignalHandlerFunc action,int restartSystemCall)
> #endif
> {
>   struct sigaction in,out;
>   in.sa_handler = action;
>   /* handler is reinstalled - calls are restarted if restartSystemCall
> */
> #if defined(LINUXplatform) || defined (ALPHAplatform)||
> defined(RIOSplatform) ||
>  defined(SUN4OS5platform) ||defined(SGIplatform) ||defined(HP10platform)
>   if(restartSystemCall) in.sa_flags = SA_RESTART;
>   else in.sa_flags = 0;
> #elif defined(SUNplatform)
>   if (restartSystemCall) in.sa_flags = 0;
>   else in.sa_flags = SA_INTERRUPT;
> #elif defined(HP9platform)
>   in.sa_flags = 0;
> #else
>   in.sa_flags = 0;
> #endif
>
>   return (sigaction(sig, &in, &out) ? (SignalHandlerFunc) -1 :
>           (SignalHandlerFunc) out.sa_handler);
> }
>
> ----------
>
> Produces the following error messages:
>
> C:/msys/1.0/home/axiomgnu/new/int/lib/bsdsignal.c: In function
> `bsdSignal':
> C:/msys/1.0/home/axiomgnu/new/int/lib/bsdsignal.c:20: storage size of
> `in' isn't known
> C:/msys/1.0/home/axiomgnu/new/int/lib/bsdsignal.c:20: storage size of
> `out' isn't known
>
> ---------
>
> In MinGW signal.h does not contain a structure called
> sigaction.
>
> Do I need to re-write this for Windows?
>
> Regards,
> Bill Page.
>
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by: INetU
> Attention Web Developers & Consultants: Become An INetU Hosting Partner.
> Refer Dedicated Servers. We Manage Them. You Get 10% Monthly Commission!
> INetU Dedicated Managed Hosting http://www.inetu.net/partner/index.php
> _______________________________________________
> MinGW-users mailing list
> Min...@li...
>
> You may change your MinGW Account Options or unsubscribe at:
> https://lists.sourceforge.net/lists/listinfo/mingw-users