diff options
Diffstat (limited to 'usr.sbin/smtpd/smtpd.c')
| -rw-r--r-- | usr.sbin/smtpd/smtpd.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/usr.sbin/smtpd/smtpd.c b/usr.sbin/smtpd/smtpd.c index 6f13c500d39..4dbfcaa5c0c 100644 --- a/usr.sbin/smtpd/smtpd.c +++ b/usr.sbin/smtpd/smtpd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: smtpd.c,v 1.28 2009/01/30 10:03:29 form Exp $ */ +/* $OpenBSD: smtpd.c,v 1.29 2009/01/30 17:34:58 gilles Exp $ */ /* * Copyright (c) 2008 Gilles Chehade <gilles@openbsd.org> @@ -25,6 +25,7 @@ #include <sys/wait.h> #include <sys/stat.h> #include <sys/uio.h> +#include <sys/resource.h> #include <bsd_auth.h> #include <err.h> @@ -591,6 +592,7 @@ main(int argc, char *argv[]) struct event ev_sigchld; struct event ev_sighup; struct timeval tv; + struct rlimit rl; struct peer peers[] = { { PROC_CONTROL, parent_dispatch_control }, { PROC_LKA, parent_dispatch_lka }, @@ -659,6 +661,22 @@ main(int argc, char *argv[]) log_info("startup%s", (debug > 1)?" [debug mode]":""); + if (getrlimit(RLIMIT_NOFILE, &rl) == -1) + fatal("smtpd: failed to get resource limit"); + + log_debug("smtpd: max open files %lld", rl.rlim_max); + + /* + * Allow the maximum number of open file descriptors for this + * login class (which should be the class "daemon" by default). + */ + rl.rlim_cur = rl.rlim_max; + if (setrlimit(RLIMIT_NOFILE, &rl) == -1) + fatal("smtpd: failed to set resource limit"); + + env.sc_maxconn = (rl.rlim_cur / 4) * 3; + log_debug("smtpd: will accept at most %d clients", env.sc_maxconn); + init_peers(&env); /* start subprocesses */ |