1.1 --- a/graphlcd-base/glcddrivers/port.c	Mon Mar 30 18:40:54 2009 +0200
     1.2 +++ b/graphlcd-base/glcddrivers/port.c	Thu Apr 23 19:10:12 2009 +0200
     1.3 @@ -16,19 +16,12 @@
     1.4  #include <syslog.h>
     1.5  #include <unistd.h>
     1.6  #include <termios.h>
     1.7 -#include <signal.h>
     1.8  #include <sys/io.h>
     1.9  #include <sys/ioctl.h>
    1.10  #include <linux/ppdev.h>
    1.11  #include <linux/parport.h>
    1.12 -
    1.13 -
    1.14 -
    1.15  #include "port.h"
    1.16  
    1.17 -
    1.18 -
    1.19 -
    1.20  namespace GLCD
    1.21  {
    1.22  
    1.23 @@ -286,34 +279,6 @@
    1.24  {
    1.25  }
    1.26  
    1.27 -int cSerialPort::Open(const char * device, void (*FP)(int))
    1.28 -{
    1.29 -    struct sigaction saio;
    1.30 -
    1.31 -    if (FP == NULL) {
    1.32 -        return -1;
    1.33 -    }
    1.34 -
    1.35 -    if (Open(device) == 0) {
    1.36 -    	// install the signal handler before making the device asynchronous/
    1.37 -    	saio.sa_handler = FP;
    1.38 -    	sigemptyset (&saio.sa_mask);
    1.39 -    	saio.sa_flags = 0;
    1.40 -    	saio.sa_restorer = NULL;
    1.41 -    	sigaction(SIGIO,&saio,NULL);
    1.42 -    
    1.43 -    	// allow the process to receive SIGIO
    1.44 -    	fcntl(fd, F_SETOWN, getpid());
    1.45 -    	// Make the file descriptor asynchronous 
    1.46 -    	fcntl(fd, F_SETFL, FASYNC | O_NONBLOCK);
    1.47 -
    1.48 -    	return(0);
    1.49 -    }
    1.50 -    else {
    1.51 -    	return -1;
    1.52 -    }
    1.53 -}
    1.54 -
    1.55  int cSerialPort::Open(const char * device)
    1.56  {
    1.57      struct termios options;
    1.58 @@ -352,17 +317,9 @@
    1.59  
    1.60  int cSerialPort::Close()
    1.61  {
    1.62 -    struct sigaction saio;
    1.63      if (fd == -1)
    1.64          return -1;
    1.65      close(fd);
    1.66 -    
    1.67 -    saio.sa_handler = NULL;
    1.68 -    sigemptyset (&saio.sa_mask);
    1.69 -    saio.sa_flags = 0;
    1.70 -    saio.sa_restorer = NULL;
    1.71 -    sigaction(SIGIO,&saio,NULL);
    1.72 -
    1.73      return 0;
    1.74  }
    1.75  
    1.76 @@ -383,7 +340,6 @@
    1.77      if (fd == -1)
    1.78          return;
    1.79      write(fd, data, length);
    1.80 -//    for (int x=0; x<length; x++)   printf("0x%x ",data[x]);
    1.81  }
    1.82  
    1.83