caRepeater.cpp File Reference

#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "epicsAssert.h"
#include "osiUnistd.h"
#include "epicsGetopt.h"
#include "udpiiu.h"

Include dependency graph for caRepeater.cpp:

Go to the source code of this file.

Macros
#define	epicsAssertAuthor   "Jeff Hill johill@lanl.gov"
#define	CAN_DETACH_STDINOUT

Functions
int	main (int argc, char *argv[])

Macro Definition Documentation

#define CAN_DETACH_STDINOUT

Definition at line 39 of file caRepeater.cpp.

#define epicsAssertAuthor   "Jeff Hill johill@lanl.gov"

Definition at line 31 of file caRepeater.cpp.

Function Documentation

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 56 of file caRepeater.cpp.

{
    bool detachinout = true;

    int opt;
    while ((opt = getopt(argc, argv, "hv")) != -1) {
        switch (opt) {
        default:
            usage(argv);
            fprintf(stderr, "\nUnknown argument '%c'\n", opt);
            return 1;
        case 'h':
            usage(argv);
            return 0;
        case 'v':
            detachinout = false;
            break;
        }
    }

#ifdef CAN_DETACH_STDINOUT
    if(detachinout) {
        int readfd  = open("/dev/null", O_RDONLY);
        int writefd = open("/dev/null", O_WRONLY);

        dup2(readfd, 0);
        dup2(writefd, 1);
        dup2(writefd, 2);

        close(readfd);
        close(writefd);
    }
#else
    (void)detachinout;
#endif

    chdir ( "/" );
    ca_repeater ();
    return ( 0 );
}