Use SIG_IGN rather than an empty handler to ignore SIG_TSTP.

2 files changed, 1 insertions, 9 deletions

diff --git a/libopie/odevice.cpp b/libopie/odevice.cpp
index 6572fb6..1da8862 100644
--- a/libopie/odevice.cpp
+++ b/libopie/odevice.cpp
@@ -122,43 +122,37 @@ void ODevice::init ( )
 
 ODevice::~ODevice ( )
 {
         delete d;
 }
 
 //#include <linux/apm_bios.h>
 
 //#define APM_IOC_SUSPEND        _IO('A',2)
 
 #define APM_IOC_SUSPEND          (( 0<<30 ) | ( 'A'<<8 ) | ( 2 ) | ( 0<<16 ))
 
-
-void ODevice::tstp_sighandler ( int )
-{
-}
-
-
 bool ODevice::suspend ( )
 {
         if ( d-> m_model == OMODEL_Unknown ) // better don't suspend in qvfb / on unkown devices
                 return false;
 
         int fd;
         bool res = false;
         
         if ((( fd = ::open ( "/dev/apm_bios", O_RDWR )) >= 0 ) ||
                     (( fd = ::open ( "/dev/misc/apm_bios",O_RDWR )) >= 0 )) {
                 struct timeval tvs, tvn;
 
-                        ::signal ( SIGTSTP, tstp_sighandler );// we don't want to be stopped
+                        ::signal ( SIGTSTP, SIG_IGN );// we don't want to be stopped
                 ::gettimeofday ( &tvs, 0 );
         
                 res = ( ::ioctl ( fd, APM_IOC_SUSPEND ) == 0 ); // tell the kernel to "start" suspending
                 ::close ( fd );
 
                         if ( res ) {
                         ::kill ( -::getpid ( ), SIGTSTP ); // stop everthing in out process group
 
                         do { // wait at most 1.5 sec: either suspend didn't work or the device resumed
                                 ::usleep ( 200 * 1000 );
                                         ::gettimeofday ( &tvn, 0 );                     
                         } while ((( tvn. tv_sec - tvs. tv_sec ) * 1000 + ( tvn. tv_usec - tvs. tv_usec ) / 1000 ) < 1500 );
diff --git a/libopie/odevice.h b/libopie/odevice.h
index cda504a..5009b91 100644
--- a/libopie/odevice.h
+++ b/libopie/odevice.h
@@ -93,19 +93,17 @@ public:
         virtual bool setLed ( uint which, OLedState st );
 
         virtual ~ODevice ( );
 
 protected:
         ODevice ( );
         virtual void init ( );
 
         ODeviceData *d;
 
 private:
         ODevice ( const ODevice & );
-
-        static void tstp_sighandler ( int );
 };
 
 #endif