From: Sebastian Reichel <s...@ring0.de>
* Add rewind option
* watch PRI in addition to IN
This is needed to watch some sysfs files on the N900,
for example this one:
/sys/devices/platform/gpio-switch/proximity/state
Signed-off-by: Sebastian Reichel <s...@ring0.de>
---
libfsobasics/fsobasics/utilities.vala | 10 +++++++---
1 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/libfsobasics/fsobasics/utilities.vala
b/libfsobasics/fsobasics/utilities.vala
index 1a2008b..21bbcab 100644
--- a/libfsobasics/fsobasics/utilities.vala
+++ b/libfsobasics/fsobasics/utilities.vala
@@ -523,14 +523,16 @@ namespace FsoFramework { namespace Async {
private GLib.IOChannel channel;
private ActionFunc actionfunc;
private char[] buffer;
+ private bool rewind;
- public ReactorChannel( int fd, owned ActionFunc actionfunc, size_t
bufferlength = 512 )
+ public ReactorChannel( int fd, owned ActionFunc actionfunc, size_t
bufferlength = 512, bool rewind = false )
{
assert( fd > -1 );
channel = new GLib.IOChannel.unix_new( fd );
- watch = channel.add_watch( GLib.IOCondition.IN |
GLib.IOCondition.HUP, onActionFromChannel );
+ watch = channel.add_watch( GLib.IOCondition.IN |
GLib.IOCondition.PRI | GLib.IOCondition.HUP, onActionFromChannel );
this.fd = fd;
this.actionfunc = actionfunc;
+ this.rewind = rewind;
buffer = new char[ bufferlength ];
}
@@ -559,10 +561,12 @@ namespace FsoFramework { namespace Async {
return false;
}
- if ( ( condition & IOCondition.IN ) == IOCondition.IN )
+ if ( ( ( condition & IOCondition.IN ) == IOCondition.IN ) ||
+ ( ( condition & IOCondition.PRI ) == IOCondition.PRI ) )
{
assert( fd != -1 );
assert( buffer != null );
+ if( rewind ) Posix.lseek(fd, 0, Posix.SEEK_SET);
ssize_t bytesread = Posix.read( fd, buffer, buffer.length );
actionfunc( buffer, bytesread );
return true;
--
1.7.1
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