diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2019-10-07 14:53:34 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-10-10 12:58:45 -0300 |
| commit | 84227cb11ff4d9815b9b1daf0c1a2bd7e9274c58 (patch) | |
| tree | c08bacbf45565766dd79e7a727329a288ea9d7da /tools/perf/lib/evlist.c | |
| parent | 696f27c994ed056fd176ce9dc51c7988e148e4b0 (diff) | |
libperf: Adopt perf_evlist__filter_pollfd() from tools/perf
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>
Diffstat (limited to 'tools/perf/lib/evlist.c')
| -rw-r--r-- | tools/perf/lib/evlist.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c index 9534ad9a572f..65045614c938 100644 --- a/tools/perf/lib/evlist.c +++ b/tools/perf/lib/evlist.c @@ -313,6 +313,21 @@ int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd, return pos; } +static void perf_evlist__munmap_filtered(struct fdarray *fda, int fd, + void *arg __maybe_unused) +{ + struct perf_mmap *map = fda->priv[fd].ptr; + + if (map) + perf_mmap__put(map); +} + +int perf_evlist__filter_pollfd(struct perf_evlist *evlist, short revents_and_mask) +{ + return fdarray__filter(&evlist->pollfd, revents_and_mask, + perf_evlist__munmap_filtered, NULL); +} + int perf_evlist__poll(struct perf_evlist *evlist, int timeout) { return fdarray__poll(&evlist->pollfd, timeout); |