diff options
author | Lennart Poettering <lennart@poettering.net> | 2017-12-24 18:50:17 +0100 |
---|---|---|
committer | Sven Eden <yamakuzure@gmx.net> | 2018-05-30 07:49:45 +0200 |
commit | 453bb6df25ef3999e6782b6ed846e0c78a1b49a5 (patch) | |
tree | f8ca4dd7d79eab2cf7a610a42c53413065098dfb /src | |
parent | 30a3ebbb0b6094fca91baa056d1904a564c5d981 (diff) |
process-util: debug log if PR_SET_NAME fails.
Diffstat (limited to 'src')
-rw-r--r-- | src/basic/process-util.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/basic/process-util.c b/src/basic/process-util.c index 5a00fca83..cb92bab0f 100644 --- a/src/basic/process-util.c +++ b/src/basic/process-util.c @@ -305,8 +305,10 @@ int rename_process(const char name[]) { l = strlen(name); - /* First step, change the comm field. */ - (void) prctl(PR_SET_NAME, name); + /* First step, change the comm field. The main thread's comm is identical to the process comm. This means we + * can use PR_SET_NAME, which sets the thread name for the calling thread. */ + if (prctl(PR_SET_NAME, name) < 0) + log_debug_errno(errno, "PR_SET_NAME failed: %m"); if (l > 15) /* Linux process names can be 15 chars at max */ truncated = true; |