linux-stable/tools/perf/util/ui/ui.h

#ifndef _PERF_UI_H_
#define _PERF_UI_H_ 1

#include <pthread.h>

extern pthread_mutex_t ui__lock;

#endif /* _PERF_UI_H_ */
perf ui: Serialize screen updates The ui operations so far were used by just one thread, but 'perf top --tui' now has two threads updating the screen, so we need to use a mutex to avoid garbling the screen. Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> 2011-02-09 13:38:43 +00:00			`#ifndef _PERF_UI_H_`
			`#define _PERF_UI_H_ 1`

			`#include <pthread.h>`

			`extern pthread_mutex_t ui__lock;`

			`#endif /* _PERF_UI_H_ */`