diff options
| author | Ian Rogers <irogers@google.com> | 2025-10-03 10:56:12 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2025-10-03 15:28:04 -0300 |
| commit | 062d02a96d810d55afdc594ceeb52223d8b36b5c (patch) | |
| tree | 852ef25bd9bc30cbee48e7cd733a40eb52e3fd3a /tools/perf/util/namespaces.c | |
| parent | 2836ed1748ccc567fddd51d4544a35f1e0f43136 (diff) | |
perf namespaces: Avoid get_current_dir_name dependency
get_current_dir_name is a GNU extension not supported on, for example,
Android. There is only one use of it so let's just switch to getcwd to
avoid build and other complexity.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/namespaces.c')
| -rw-r--r-- | tools/perf/util/namespaces.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/tools/perf/util/namespaces.c b/tools/perf/util/namespaces.c index 68f5de2d79c7..01502570b32d 100644 --- a/tools/perf/util/namespaces.c +++ b/tools/perf/util/namespaces.c @@ -6,7 +6,6 @@ #include "namespaces.h" #include "event.h" -#include "get_current_dir_name.h" #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> @@ -293,14 +292,14 @@ void nsinfo__mountns_enter(struct nsinfo *nsi, if (!nsi || !nsinfo__need_setns(nsi)) return; - if (snprintf(curpath, PATH_MAX, "/proc/self/ns/mnt") >= PATH_MAX) + if (!getcwd(curpath, sizeof(curpath))) return; - oldcwd = get_current_dir_name(); + oldcwd = strdup(curpath); if (!oldcwd) return; - oldns = open(curpath, O_RDONLY); + oldns = open("/proc/self/ns/mnt", O_RDONLY); if (oldns < 0) goto errout; |