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perf newt: Properly restore the screen when error exiting

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Show an OK message box with the last message sent via pr_err,
etc.

Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1269274229-20442-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arnaldo Carvalho de Melo 2010-03-22 13:10:25 -03:00 • committed by Ingo Molnar
parent 301fde27c7
commit f3a1f0ea94
3 changed files with 17 additions and 10 deletions
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4
tools/perf/perf.c
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@ -264,11 +264,11 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
set_debugfs_path();
status = p->fn(argc, argv, prefix);
exit_browser(status);
if (status)
return status & 0xff;
exit_browser();
/* Somebody closed stdout? */
if (fstat(fileno(stdout), &st))
return 0;