eesupp/src/sigreg.c

/*
 * $Header: /u/gcmpack/MITgcm/eesupp/src/sigreg.c,v 1.4 2006/05/23 14:55:19 edhill Exp $
 * $Name:  $

//BOP
// !ROUTINE: sigreg
// !INTERFACE:
   sigreg()

// !DESCRIPTION:
// Register a signal handler

//EOP

*/

/*  Here, we get the definition of the FC_NAMEMANGLE() macro. */
#include "FC_NAMEMANGLE.h"

/* #define FC_NAMEMANGLE(X) X ## _ */

#ifdef HAVE_SIGREG
#include <stdlib.h>
#include <stdio.h>
#include <signal.h>
#include <errno.h>
#include <ucontext.h>

int * ip;

static void killhandler(
    unsigned int sn, siginfo_t  si, struct ucontext *sc )
{
    *ip = *ip + 1;
    return;
}
#endif

/* int main( int argc, char ** argv ) */
void FC_NAMEMANGLE(sigreg) (int * aip)
{
#ifdef HAVE_SIGREG
    struct sigaction s;
    ip = aip;
    s.sa_flags = SA_SIGINFO;
    s.sa_sigaction = (void *)killhandler;
    if(sigaction (SIGTERM,&s,(struct sigaction *)NULL)) {
        printf("Sigaction returned error = %d\n", errno);
        exit(0);
    }
#endif
    return;
}


1	edhill	1.1	/*
2	edhill	1.5	* $Header: /u/gcmpack/MITgcm/eesupp/src/sigreg.c,v 1.4 2006/05/23 14:55:19 edhill Exp $
3	edhill	1.1	* $Name: $
4
5			//BOP
6			// !ROUTINE: sigreg
7			// !INTERFACE:
8			sigreg()
9
10			// !DESCRIPTION:
11			// Register a signal handler
12
13			//EOP
14
15			*/
16
17			/* Here, we get the definition of the FC_NAMEMANGLE() macro. */
18			#include "FC_NAMEMANGLE.h"
19
20			/* #define FC_NAMEMANGLE(X) X ## _ */
21
22	edhill	1.3	#ifdef HAVE_SIGREG
23	edhill	1.1	#include <stdlib.h>
24			#include <stdio.h>
25			#include <signal.h>
26			#include <errno.h>
27			#include <ucontext.h>
28
29			int * ip;
30
31			static void killhandler(
32			unsigned int sn, siginfo_t si, struct ucontext *sc )
33			{
34			ip = ip + 1;
35			return;
36			}
37	edhill	1.3	#endif
38	edhill	1.1
39			/* int main( int argc, char ** argv ) */
40			void FC_NAMEMANGLE(sigreg) (int * aip)
41			{
42	edhill	1.3	#ifdef HAVE_SIGREG
43	edhill	1.2	struct sigaction s;
44	edhill	1.4	ip = aip;
45	edhill	1.1	s.sa_flags = SA_SIGINFO;
46			s.sa_sigaction = (void *)killhandler;
47			if(sigaction (SIGTERM,&s,(struct sigaction *)NULL)) {
48			printf("Sigaction returned error = %d\n", errno);
49			exit(0);
50			}
51	edhill	1.3	#endif
52	edhill	1.1	return;
53			}
54
55