kopia lustrzana https://github.com/Hamlib/Hamlib
Remove gratuitous sleeps before function exits
Add sleep in tight wait loop to reduce CPU loading.Hamlib-3.0
rodzic
82b8649030
commit
aa3fd7ba28
|
@ -1397,9 +1397,10 @@ int win32_serial_read( int fd, void *vb, int size )
|
|||
if (stat.cbInQue < index->ttyset->c_cc[VMIN])
|
||||
{
|
||||
/*
|
||||
usleep(1000);
|
||||
usleep(50);
|
||||
*/
|
||||
usleep(100); /* don't hog the CPU while waiting */
|
||||
|
||||
/* we should use -1 instead of 0 for disabled timeout */
|
||||
now = GetTickCount();
|
||||
if (index->ttyset->c_cc[VTIME] &&
|
||||
|
@ -3258,7 +3259,7 @@ int win32_serial_select( int n, fd_set *readfds, fd_set *writefds,
|
|||
this does happen. loops ~twice on a 350 Mzh with
|
||||
usleep(1000000)
|
||||
*/
|
||||
usleep(10000);
|
||||
/* usleep(10000); */
|
||||
LEAVE( "serial_uselect" );
|
||||
return(0);
|
||||
}
|
||||
|
@ -3334,7 +3335,7 @@ int win32_serial_select( int n, fd_set *readfds, fd_set *writefds,
|
|||
}
|
||||
end:
|
||||
/* You may want to chop this out for lower latency */
|
||||
usleep(1000);
|
||||
/* usleep(1000); */
|
||||
LEAVE( "serial_select" );
|
||||
return( 1 );
|
||||
timeout:
|
||||
|
@ -3361,7 +3362,7 @@ int win32_serial_select( int n, fd_set *readfds, fd_set *writefds,
|
|||
ENTER( "serial_select" );
|
||||
if ( fd <= 0 )
|
||||
{
|
||||
usleep(1000);
|
||||
/* usleep(1000); */
|
||||
return 1;
|
||||
}
|
||||
index = find_port( fd );
|
||||
|
@ -3376,7 +3377,7 @@ int win32_serial_select( int n, fd_set *readfds, fd_set *writefds,
|
|||
}
|
||||
while(!index->event_flag )
|
||||
{
|
||||
usleep(1000);
|
||||
/* usleep(1000); */
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
|
Ładowanie…
Reference in New Issue