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libperf: Adopt perf_evlist__filter_pollfd() from tools/perf

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Introduce the perf_evlist__filter_pollfd function and export it in the
perf/evlist.h header, so that libperf users can check if the descriptor
is still alive.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20191007125344.14268-27-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2019-10-07 14:53:34 +02:00
committed by Arnaldo Carvalho de Melo
parent 696f27c994
commit 84227cb11f
4 changed files with 19 additions and 11 deletions
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2
tools/perf/lib/include/perf/evlist.h
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@@ -32,6 +32,8 @@ LIBPERF_API void perf_evlist__set_maps(struct perf_evlist *evlist,
struct perf_cpu_map *cpus,
struct perf_thread_map *threads);
LIBPERF_API int perf_evlist__poll(struct perf_evlist *evlist, int timeout);
LIBPERF_API int perf_evlist__filter_pollfd(struct perf_evlist *evlist,
short revents_and_mask);
LIBPERF_API int perf_evlist__mmap(struct perf_evlist *evlist, int pages);
LIBPERF_API void perf_evlist__munmap(struct perf_evlist *evlist);