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lib, ospfclient, tests, vtysh: Allow for a minimum fd poll size

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There exists cases where just honoring the FD_LIMIT size
as given to us by the operating system makes no sense.
Let's just make a switch to allow for this for things
like vtysh and ospfclient which will never have 1k files
open at any given time.

Fixes: #15315
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
This commit is contained in:
Donald Sharp 2024-02-07 10:38:02 -05:00
parent 7fe05d6185
commit 729dd6f626
1 changed files with 6 additions and 3 deletions
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9
lib/event.c
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@ -570,9 +570,12 @@ struct event_loop *event_master_create(const char *name)
rv->fd_limit = (int)limit.rlim_cur;
}
if (rv->fd_limit > STUPIDLY_LARGE_FD_SIZE)
zlog_warn("FD Limit set: %u is stupidly large. Is this what you intended? Consider using --limit-fds",
rv->fd_limit);
if (rv->fd_limit > STUPIDLY_LARGE_FD_SIZE) {
zlog_warn("FD Limit set: %u is stupidly large. Is this what you intended? Consider using --limit-fds also limiting size to %u",
rv->fd_limit, STUPIDLY_LARGE_FD_SIZE);
rv->fd_limit = STUPIDLY_LARGE_FD_SIZE;
}
rv->read = XCALLOC(MTYPE_EVENT_POLL,
sizeof(struct event *) * rv->fd_limit);