alex/genode
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

nitlog: use Mutex

Browse Source 
Issue #3804
This commit is contained in:
Alexander Boettcher
2020-07-06 12:50:14 +02:00
committed by Norman Feske
parent 3d634df34d
commit 973fbc98be
1 changed files with 11 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
repos/demo/src/server/nitlog/main.cc
View File

@@ -185,15 +185,15 @@ class Log_window
{ {
private: private:
Canvas_base &_canvas; Canvas_base &_canvas;
Font const &_font; Font const &_font;
Log_entry _entries[LOG_H]; /* log entries */ Log_entry _entries[LOG_H]; /* log entries */
int _dst_entry = 0; /* destination entry for next write */ int _dst_entry = 0; /* destination entry for next write */
int _view_pos = 0; /* current view port on the entry array */ int _view_pos = 0; /* current view port on the entry array */
bool _scroll = false; /* scroll mode (when text hits bottom) */ bool _scroll = false; /* scroll mode (when text hits bottom) */
char _attr[LOG_W]; /* character attribute buffer */ char _attr[LOG_W]; /* character attribute buffer */
bool _dirty = true; /* schedules the log window for a redraw */ bool _dirty = true; /* schedules the log window for a redraw */
Genode::Lock _dirty_lock { }; Genode::Mutex _dirty_mutex { };
public: public:
@@ -226,7 +226,7 @@ class Log_window
_scroll = true; _scroll = true;
/* schedule log window for redraw */ /* schedule log window for redraw */
Genode::Lock::Guard lock_guard(_dirty_lock); Genode::Mutex::Guard guard(_dirty_mutex);
_dirty |= 1; _dirty |= 1;
} }
@@ -238,7 +238,7 @@ class Log_window
bool draw() bool draw()
{ {
{ {
Genode::Lock::Guard lock_guard(_dirty_lock); Genode::Mutex::Guard guard(_dirty_mutex);
if (!_dirty) return false; if (!_dirty) return false;
_dirty = false; _dirty = false;
} }