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| author | David Lamparter <equinox@diac24.net> | 2019-12-02 16:20:00 +0100 |
|---|---|---|
| committer | David Lamparter <equinox@diac24.net> | 2020-04-01 06:53:26 +0200 |
| commit | 767439c55858d65bf6f5776b7fcd36cc1132565c (patch) | |
| tree | d6eb0daa9975f6ff20eca5b69955af23a7db97ad /lib/zlog_targets.c | |
| parent | lib: rewrite zlog lock-free & TLS-buffered (diff) | |
| download | frr-767439c55858d65bf6f5776b7fcd36cc1132565c.tar.xz frr-767439c55858d65bf6f5776b7fcd36cc1132565c.zip | |
lib: mark some allocations as "active at exit"
In some cases we really don't want to clean up things even when exiting
(i.e. to keep the logging subsystem going.) This adds a flag on MGROUPs
to indicate that.
[v2: add "(active at exit)" marker text to debug memstats-at-exit]
Signed-off-by: David Lamparter <equinox@diac24.net>
Diffstat (limited to 'lib/zlog_targets.c')
| -rw-r--r-- | lib/zlog_targets.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/lib/zlog_targets.c b/lib/zlog_targets.c index ff9cd1e5f..85991b0dd 100644 --- a/lib/zlog_targets.c +++ b/lib/zlog_targets.c @@ -26,10 +26,18 @@ #include "zlog.h" #include "zlog_targets.h" -DEFINE_MTYPE_STATIC(LIB, LOG_FD, "log file target") -DEFINE_MTYPE_STATIC(LIB, LOG_FD_NAME, "log file name") -DEFINE_MTYPE_STATIC(LIB, LOG_FD_ROTATE, "log file rotate helper") -DEFINE_MTYPE_STATIC(LIB, LOG_SYSL, "syslog target") +/* these allocations are intentionally left active even when doing full exit + * cleanup, in order to keep the logging subsystem fully functional until the + * absolute end. + */ + +DECLARE_MGROUP(LOG) +DEFINE_MGROUP_ACTIVEATEXIT(LOG, "logging subsystem") + +DEFINE_MTYPE_STATIC(LOG, LOG_FD, "log file target") +DEFINE_MTYPE_STATIC(LOG, LOG_FD_NAME, "log file name") +DEFINE_MTYPE_STATIC(LOG, LOG_FD_ROTATE, "log file rotate helper") +DEFINE_MTYPE_STATIC(LOG, LOG_SYSL, "syslog target") struct zlt_fd { struct zlog_target zt; |