Work around RLIMIT_NOFILE-to-big problem

[nfs-utils.git] / utils / mountd / mountd.c

diff --git a/utils/mountd/mountd.c b/utils/mountd/mountd.c
index 0b34617dbb41261b2f5920c80df7858699942da0..0d4ddb43970a762e4a5547ec0f6f61d2cd825cb4 100644 (file)
--- a/utils/mountd/mountd.c
+++ b/utils/mountd/mountd.c
@@ -504,18 +504,21 @@ main(int argc, char **argv)
                exit(1);
        }
 
-       if (descriptors) {
-               if (getrlimit (RLIMIT_NOFILE, &rlim) != 0) {
-                       fprintf(stderr, "%s: getrlimit (RLIMIT_NOFILE) failed: %s\n",
+       if (getrlimit (RLIMIT_NOFILE, &rlim) != 0)
+               fprintf(stderr, "%s: getrlimit (RLIMIT_NOFILE) failed: %s\n",
                                argv [0], strerror(errno));
-                       exit(1);
-               }
-
-               rlim.rlim_cur = descriptors;
-               if (setrlimit (RLIMIT_NOFILE, &rlim) != 0) {
-                       fprintf(stderr, "%s: setrlimit (RLIMIT_NOFILE) failed: %s\n",
-                               argv [0], strerror(errno));
-                       exit(1);
+       else {
+               /* glibc sunrpc code dies if getdtablesize > FD_SETSIZE */
+               if (descriptors == 0 && rlim.rlim_cur > FD_SETSIZE)
+                       descriptors = FD_SETSIZE;
+               if (descriptors) {
+
+                       rlim.rlim_cur = descriptors;
+                       if (setrlimit (RLIMIT_NOFILE, &rlim) != 0) {
+                               fprintf(stderr, "%s: setrlimit (RLIMIT_NOFILE) failed: %s\n",
+                                       argv [0], strerror(errno));
+                               exit(1);
+                       }
                }
        }
        /* Initialize logging. */