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| author | Leah Neukirchen <leah@vuxu.org> | 2018-02-11 19:39:42 +0100 |
|---|---|---|
| committer | Leah Neukirchen <leah@vuxu.org> | 2018-02-11 19:39:42 +0100 |
| commit | f85466578d77ccb99fe1f00f41f95756175a82aa (patch) | |
| tree | 8ff0da2124e75803da6ac69687505c28715526e8 | |
| parent | 80204a5e0a2cacdaac2b2f78c2609aa56c067ec0 (diff) | |
| download | extrace-f85466578d77ccb99fe1f00f41f95756175a82aa.tar.gz extrace-f85466578d77ccb99fe1f00f41f95756175a82aa.tar.xz extrace-f85466578d77ccb99fe1f00f41f95756175a82aa.zip | |
extrace: print errors when we lost data
Proposed by "Chris West (Faux)" <git@goeswhere.com>.
| -rw-r--r-- | extrace.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/extrace.c b/extrace.c index 47146b6..bf1ce52 100644 --- a/extrace.c +++ b/extrace.c @@ -284,7 +284,9 @@ handle_msg(struct cn_msg *cn_hdr) int i = 0; int proc_dir_fd = open_proc_dir(pid); if (proc_dir_fd < 0) { - /* TODO: warn we dropped something? */ + fprintf(stderr, + "extrace: process vanished before notification: pid %d\n", + pid); return; } @@ -308,6 +310,15 @@ handle_msg(struct cn_msg *cn_hdr) d = pid_depth(pid); if (d < 0) { + if (*cmdline) { + fprintf(stderr, + "extrace: process vanished before we found its parent: pid %d: %s\n", + pid, cmdline); + } else { + fprintf(stderr, + "extrace: process vanished without a name: pid %d\n", + pid); + } close(proc_dir_fd); return; } @@ -317,7 +328,7 @@ handle_msg(struct cn_msg *cn_hdr) if (pid_db[i].pid == 0) break; if (i == PID_DB_SIZE - 1) - fprintf(stderr, "extrace: warning pid_db of " + fprintf(stderr, "extrace: warning: pid_db of " "size %d overflowed\n", PID_DB_SIZE); pid_db[i].pid = pid; |