dovecot-2.1: Added restrict_get_fd_limit()

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.1/rev/0644361ca409
changeset: 13755:0644361ca409
user:      Timo Sirainen <tss at iki.fi>
date:      Wed Nov 23 19:51:01 2011 +0200
description:
Added restrict_get_fd_limit()

diffstat:

 src/lib/restrict-process-size.c |  12 ++++++++++++
 src/lib/restrict-process-size.h |   2 ++
 2 files changed, 14 insertions(+), 0 deletions(-)

diffs (30 lines):

diff -r deaebb4dc98c -r 0644361ca409 src/lib/restrict-process-size.c
--- a/src/lib/restrict-process-size.c	Wed Nov 23 19:19:19 2011 +0200
+++ b/src/lib/restrict-process-size.c	Wed Nov 23 19:51:01 2011 +0200
@@ -80,3 +80,15 @@
 	return -1;
 #endif
 }
+
+int restrict_get_fd_limit(rlim_t *limit_r)
+{
+	struct rlimit rlim;
+
+	if (getrlimit(RLIMIT_NOFILE, &rlim) < 0) {
+		i_error("getrlimit(RLIMIT_NOFILE) failed: %m");
+		return -1;
+	}
+	*limit_r = rlim.rlim_cur;
+	return 0;
+}
diff -r deaebb4dc98c -r 0644361ca409 src/lib/restrict-process-size.h
--- a/src/lib/restrict-process-size.h	Wed Nov 23 19:19:19 2011 +0200
+++ b/src/lib/restrict-process-size.h	Wed Nov 23 19:51:01 2011 +0200
@@ -17,5 +17,7 @@
 int restrict_get_core_limit(rlim_t *limit_r);
 /* Get the process count limit. Returns 0 if ok, -1 if lookup failed. */
 int restrict_get_process_limit(rlim_t *limit_r);
+/* Get the fd limit. Returns 0 if ok, -1 if lookup failed. */
+int restrict_get_fd_limit(rlim_t *limit_r);
 
 #endif