don't swap out a file if we are under the RESERVED_FD limit

diff --git a/src/store.cc b/src/store.cc
index f0f2a374f1a77c19473bbfc9a5efe5debec5151c..34003333bcd391a1cd510285b7e2b53f196b16d1 100644 (file)
--- a/src/store.cc
+++ b/src/store.cc
@@ -1,6 +1,6 @@
 
 /*
- * $Id: store.cc,v 1.472 1998/11/13 22:06:36 rousskov Exp $
+ * $Id: store.cc,v 1.473 1998/11/21 02:13:30 wessels Exp $
  *
  * DEBUG: section 20    Storage Manager
  * AUTHOR: Harvest Derived
@@ -465,6 +465,7 @@ struct _store_check_cachable_hist {
        int too_big;
        int private_key;
        int too_many_open_files;
+       int too_many_open_fds;
        int lru_age_too_low;
     } no;
     struct {
@@ -513,6 +514,9 @@ storeCheckCachable(StoreEntry * e)
     } else if (storeTooManyDiskFilesOpen()) {
        debug(20, 2) ("storeCheckCachable: NO: too many disk files open\n");
        store_check_cachable_hist.no.too_many_open_files++;
+    } else if (fdNFree() < RESERVED_FD) {
+       debug(20, 2) ("storeCheckCachable: NO: too FD's open\n");
+       store_check_cachable_hist.no.too_many_open_fds++;
     } else if (storeExpiredReferenceAge() < 300) {
        debug(20, 2) ("storeCheckCachable: NO: LRU Age = %d\n",
            storeExpiredReferenceAge());
@@ -547,6 +551,8 @@ storeCheckCachableStats(StoreEntry * sentry)
        store_check_cachable_hist.no.private_key);
     storeAppendPrintf(sentry, "no.too_many_open_files\t%d\n",
        store_check_cachable_hist.no.too_many_open_files);
+    storeAppendPrintf(sentry, "no.too_many_open_fds\t%d\n",
+       store_check_cachable_hist.no.too_many_open_fds);
     storeAppendPrintf(sentry, "no.lru_age_too_low\t%d\n",
        store_check_cachable_hist.no.lru_age_too_low);
     storeAppendPrintf(sentry, "yes.default\t%d\n",