diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2010-03-22 19:10:25 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-03-22 20:47:34 +0300 |
| commit | f3a1f0ea9432ec395cd112f42201e8e523c07bc5 (patch) | |
| tree | dcf78714e7531f35c008de90de55e11c512310ef | |
| parent | 301fde27c7fcd0380b02b175d547e894ff65d78a (diff) | |
| download | linux-f3a1f0ea9432ec395cd112f42201e8e523c07bc5.tar.xz | |
perf newt: Properly restore the screen when error exiting
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>
| -rw-r--r-- | tools/perf/perf.c | 4 | ||||
| -rw-r--r-- | tools/perf/util/cache.h | 4 | ||||
| -rw-r--r-- | tools/perf/util/newt.c | 19 |
3 files changed, 17 insertions, 10 deletions
diff --git a/tools/perf/perf.c b/tools/perf/perf.c index d2de8393a33c..2826e702986e 100644 --- a/tools/perf/perf.c +++ b/tools/perf/perf.c @@ -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; diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h index 47b12a3d11bf..4b9aab7f0405 100644 --- a/tools/perf/util/cache.h +++ b/tools/perf/util/cache.h @@ -77,10 +77,10 @@ static inline void setup_browser(void) { setup_pager(); } -static inline void exit_browser(void) {} +static inline void exit_browser(bool wait_for_ok __used) {} #else void setup_browser(void); -void exit_browser(void); +void exit_browser(bool wait_for_ok); #endif extern const char *editor_program; diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c index 2d19e7a3e6e8..3c2ef95d940a 100644 --- a/tools/perf/util/newt.c +++ b/tools/perf/util/newt.c @@ -170,18 +170,20 @@ void perf_session__browse_hists(struct rb_root *hists, u64 session_total, newtFormDestroy(form); } +static char browser__last_msg[1024]; + int browser__show_help(const char *format, va_list ap) { int ret; static int backlog; - static char msg[1024]; - ret = vsnprintf(msg + backlog, sizeof(msg) - backlog, format, ap); + ret = vsnprintf(browser__last_msg + backlog, + sizeof(browser__last_msg) - backlog, format, ap); backlog += ret; - if (msg[backlog - 1] == '\n') { + if (browser__last_msg[backlog - 1] == '\n') { newtPopHelpLine(); - newtPushHelpLine(msg); + newtPushHelpLine(browser__last_msg); newtRefresh(); backlog = 0; } @@ -200,8 +202,13 @@ void setup_browser(void) newtPushHelpLine(" "); } -void exit_browser(void) +void exit_browser(bool wait_for_ok) { - if (use_browser) + if (use_browser) { + if (wait_for_ok) { + char title[] = "Fatal Error", ok[] = "Ok"; + newtWinMessage(title, ok, browser__last_msg); + } newtFinished(); + } } |