diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-07-18 22:15:29 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-07-19 04:14:08 +0200 |
| commit | 86bcdb5a43997bb02ba25a76482c7bfc652ba45b (patch) | |
| tree | 60737d10e15be7e8dbff4d7da4ba1f80f72ea5e0 /tools/perf/util/setns.c | |
| parent | tools include uapi x86: Add __NR_setns, if missing (diff) | |
| download | linux-86bcdb5a43997bb02ba25a76482c7bfc652ba45b.tar.xz linux-86bcdb5a43997bb02ba25a76482c7bfc652ba45b.zip | |
tools build: Add test for setns()
And provide an alternative implementation to keep perf building on older
distros as we're about to add initial support for namespaces.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Krister Johansen <kjlx@templeofstupid.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-bqdwijunhjlvps1ardykhw1i@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/setns.c')
| -rw-r--r-- | tools/perf/util/setns.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/util/setns.c b/tools/perf/util/setns.c new file mode 100644 index 000000000000..ce8fc290fce8 --- /dev/null +++ b/tools/perf/util/setns.c @@ -0,0 +1,8 @@ +#include "util.h" +#include <unistd.h> +#include <sys/syscall.h> + +int setns(int fd, int nstype) +{ + return syscall(__NR_setns, fd, nstype); +} |