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| author |  Adrian Hunter <adrian.hunter@intel.com>
| 2022-05-20 18:56:04 +0300 |
|---|---|---|
| committer |  Arnaldo Carvalho de Melo <acme@redhat.com>
| 2022-05-23 10:11:12 -0300 |
| commit | 618ee7838e409513635320ca9c4c8d52c44f2dd0 (patch) | |
| tree | e6d84ca947db644cbcd7816056989b0de8a8e35f /tools/lib/perf/include | |
| parent | perf header: Add ability to keep feature sections (diff) | |
| download | linux-618ee7838e409513635320ca9c4c8d52c44f2dd0.tar.gz linux-618ee7838e409513635320ca9c4c8d52c44f2dd0.tar.bz2 linux-618ee7838e409513635320ca9c4c8d52c44f2dd0.zip | |
libperf: Add preadn()
Add preadn() to provide pread() and readn() semantics.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/ab8918a4-7ac8-a37e-2e2c-28438c422d87@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib/perf/include')
| -rw-r--r-- | tools/lib/perf/include/internal/lib.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/lib/perf/include/internal/lib.h b/tools/lib/perf/include/internal/lib.h index 5175d491b2d4..85471a4b900f 100644 --- a/tools/lib/perf/include/internal/lib.h +++ b/tools/lib/perf/include/internal/lib.h @@ -9,4 +9,6 @@ extern unsigned int page_size; ssize_t readn(int fd, void *buf, size_t n); ssize_t writen(int fd, const void *buf, size_t n); +ssize_t preadn(int fd, void *buf, size_t n, off_t offs); + #endif /* __LIBPERF_INTERNAL_CPUMAP_H */ |