diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-03-23 17:42:21 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-03-23 17:42:21 -0300 |
| commit | 76267147f233f347dbd8f4f8c05492e5ea0a7dce (patch) | |
| tree | 7886f29147adb660f578c4a9d7d1cd66a8218f1b /tools/perf | |
| parent | 78478269d2c9be315164d15c14e6e222a06d2f40 (diff) | |
| download | lwn-76267147f233f347dbd8f4f8c05492e5ea0a7dce.tar.gz lwn-76267147f233f347dbd8f4f8c05492e5ea0a7dce.zip | |
perf llvm: Use strerror_r instead of the thread unsafe strerror one
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-5njrq9dltckgm624omw9ljgu@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/llvm-utils.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/tools/perf/util/llvm-utils.c b/tools/perf/util/llvm-utils.c index aab855f491ca..33071d6159bc 100644 --- a/tools/perf/util/llvm-utils.c +++ b/tools/perf/util/llvm-utils.c @@ -98,11 +98,12 @@ read_from_pipe(const char *cmd, void **p_buf, size_t *p_read_sz) void *buf = NULL; FILE *file = NULL; size_t read_sz = 0, buf_sz = 0; + char serr[STRERR_BUFSIZE]; file = popen(cmd, "r"); if (!file) { pr_err("ERROR: unable to popen cmd: %s\n", - strerror(errno)); + strerror_r(errno, serr, sizeof(serr))); return -EINVAL; } @@ -136,7 +137,7 @@ read_from_pipe(const char *cmd, void **p_buf, size_t *p_read_sz) if (ferror(file)) { pr_err("ERROR: error occurred when reading from pipe: %s\n", - strerror(errno)); + strerror_r(errno, serr, sizeof(serr))); err = -EIO; goto errout; } @@ -370,7 +371,7 @@ int llvm__compile_bpf(const char *path, void **p_obj_buf, if (nr_cpus_avail <= 0) { pr_err( "WARNING:\tunable to get available CPUs in this system: %s\n" -" \tUse 128 instead.\n", strerror(errno)); +" \tUse 128 instead.\n", strerror_r(errno, serr, sizeof(serr))); nr_cpus_avail = 128; } snprintf(nr_cpus_avail_str, sizeof(nr_cpus_avail_str), "%d", |