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/libfrr.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/libfrr.c')
| -rw-r--r-- | lib/libfrr.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/lib/libfrr.c b/lib/libfrr.c index 800596c563..8e7777a1a9 100644 --- a/lib/libfrr.c +++ b/lib/libfrr.c @@ -99,6 +99,7 @@ static void opt_extend(const struct optspec *os) #define OPTION_TCLI 1005 #define OPTION_DB_FILE 1006 #define OPTION_LOGGING 1007 +#define OPTION_LIMIT_FDS 1008 static const struct option lo_always[] = { {"help", no_argument, NULL, 'h'}, @@ -113,6 +114,7 @@ static const struct option lo_always[] = { {"log-level", required_argument, NULL, OPTION_LOGLEVEL}, {"tcli", no_argument, NULL, OPTION_TCLI}, {"command-log-always", no_argument, NULL, OPTION_LOGGING}, + {"limit-fds", required_argument, NULL, OPTION_LIMIT_FDS}, {NULL}}; static const struct optspec os_always = { "hvdM:F:N:", @@ -126,7 +128,8 @@ static const struct optspec os_always = { " --moduledir Override modules directory\n" " --log Set Logging to stdout, syslog, or file:<name>\n" " --log-level Set Logging Level to use, debug, info, warn, etc\n" - " --tcli Use transaction-based CLI\n", + " --tcli Use transaction-based CLI\n" + " --limit-fds Limit number of fds supported\n", lo_always}; @@ -552,6 +555,9 @@ static int frr_opt(int opt) case OPTION_LOGGING: di->log_always = true; break; + case OPTION_LIMIT_FDS: + di->limit_fds = strtoul(optarg, &err, 0); + break; default: return 1; } @@ -739,6 +745,11 @@ enum frr_cli_mode frr_get_cli_mode(void) return di ? di->cli_mode : FRR_CLI_CLASSIC; } +uint32_t frr_get_fd_limit(void) +{ + return di ? di->limit_fds : 0; +} + static int rcvd_signal = 0; static void rcv_signal(int signum) |