5c35d69fb6
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>
47 lines
826 B
C
47 lines
826 B
C
#include <newt.h>
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#include <signal.h>
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#include <stdbool.h>
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#include "../cache.h"
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#include "../debug.h"
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#include "browser.h"
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#include "helpline.h"
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#include "ui.h"
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pthread_mutex_t ui__lock = PTHREAD_MUTEX_INITIALIZER;
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static void newt_suspend(void *d __used)
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{
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newtSuspend();
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raise(SIGTSTP);
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newtResume();
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}
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void setup_browser(bool fallback_to_pager)
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{
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if (!isatty(1) || !use_browser || dump_trace) {
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use_browser = 0;
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if (fallback_to_pager)
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setup_pager();
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return;
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}
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use_browser = 1;
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newtInit();
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newtCls();
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newtSetSuspendCallback(newt_suspend, NULL);
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ui_helpline__init();
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ui_browser__init();
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}
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void exit_browser(bool wait_for_ok)
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{
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if (use_browser > 0) {
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if (wait_for_ok) {
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char title[] = "Fatal Error", ok[] = "Ok";
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newtWinMessage(title, ok, ui_helpline__last_msg);
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}
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newtFinished();
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}
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}
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