diff options
| author | Mark Stapp <mjs@voltanet.io> | 2020-11-17 13:30:05 -0500 |
|---|---|---|
| committer | Mark Stapp <mjs@voltanet.io> | 2020-11-18 15:34:35 -0500 |
| commit | 1a9f340b6b63cbb9e19fc1372ef01e265d529e45 (patch) | |
| tree | beae6c483a575ad05062c57aba2fa2fa6800eab0 /lib/thread.c | |
| parent | 85dcff6e412e5569dede949899d28f536c95ba98 (diff) | |
lib: add startup option to limit fds
Add a startup-time option to limit the number of fds used
by the thread/event infrastructure. If nothing is configured,
the system ulimit is used.
Signed-off-by: Mark Stapp <mjs@voltanet.io>
Diffstat (limited to 'lib/thread.c')
| -rw-r--r-- | lib/thread.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/lib/thread.c b/lib/thread.c index e71fd74bd9..c886058355 100644 --- a/lib/thread.c +++ b/lib/thread.c @@ -36,6 +36,7 @@ #include "frr_pthread.h" #include "lib_errors.h" #include "libfrr_trace.h" +#include "libfrr.h" DEFINE_MTYPE_STATIC(LIB, THREAD, "Thread") DEFINE_MTYPE_STATIC(LIB, THREAD_MASTER, "Thread master") @@ -442,8 +443,14 @@ struct thread_master *thread_master_create(const char *name) rv->name = XSTRDUP(MTYPE_THREAD_MASTER, name); /* Initialize I/O task data structures */ - getrlimit(RLIMIT_NOFILE, &limit); - rv->fd_limit = (int)limit.rlim_cur; + + /* Use configured limit if present, ulimit otherwise. */ + rv->fd_limit = frr_get_fd_limit(); + if (rv->fd_limit == 0) { + getrlimit(RLIMIT_NOFILE, &limit); + rv->fd_limit = (int)limit.rlim_cur; + } + rv->read = XCALLOC(MTYPE_THREAD_POLL, sizeof(struct thread *) * rv->fd_limit); |