From 93bbfce02b4ad3f51cef9b057a3959f4e091529f Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Mon, 5 Oct 1998 01:57:03 +0000
Subject: added a function set_maxfiles() to set our file rlimit to the max
 possible and return the max. (This used to be commit
 7a7b5ee1689b6be57752d176c7b77a2f1b453486)

---
 source3/include/proto.h   |  1 +
 source3/lib/util.c        | 23 +++++++++++++++++++++++
 source3/smbd/files.c      | 35 ++++++++---------------------------
 source3/smbwrapper/smbw.c |  2 ++
 4 files changed, 34 insertions(+), 27 deletions(-)

(limited to 'source3')

diff --git a/source3/include/proto.h b/source3/include/proto.h
index f89b7a7ff5..0736e3f5bd 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -347,6 +347,7 @@ char *sid_to_string(pstring sidstr_out, DOM_SID *sid);
 BOOL string_to_sid(DOM_SID *sidout, char *sidstr);
 int str_checksum(const char *s);
 void zero_free(void *p, size_t size);
+int set_maxfiles(void);
 
 /*The following definitions come from  libsmb/clientgen.c  */
 
diff --git a/source3/lib/util.c b/source3/lib/util.c
index 38cde624d4..d079f86988 100644
--- a/source3/lib/util.c
+++ b/source3/lib/util.c
@@ -4845,3 +4845,26 @@ void zero_free(void *p, size_t size)
 	free(p);
 }
 
+
+/*****************************************************************
+set our open file limit to the max and return the limit
+*****************************************************************/  
+int set_maxfiles(void)
+{
+#if (defined(HAVE_GETRLIMIT) && defined(RLIMIT_NOFILE))
+	struct rlimit rlp;
+	getrlimit(RLIMIT_NOFILE, &rlp);
+	/* Set the fd limit to be real_max_open_files + MAX_OPEN_FUDGEFACTOR to
+	 * account for the extra fd we need 
+	 * as well as the log files and standard
+	 * handles etc.  */
+	rlp.rlim_cur = rlp.rlim_max;
+	setrlimit(RLIMIT_NOFILE, &rlp);
+	getrlimit(RLIMIT_NOFILE, &rlp);
+	return rlp.rlim_cur;
+#else
+	/* just guess ... */
+	return 1024;
+#endif
+}
+
diff --git a/source3/smbd/files.c b/source3/smbd/files.c
index 4000439db0..6afa059753 100644
--- a/source3/smbd/files.c
+++ b/source3/smbd/files.c
@@ -202,38 +202,19 @@ initialise file structures
 
 void file_init(void)
 {
-    real_max_open_files = lp_max_open_files();
-
-#if (defined(HAVE_GETRLIMIT) && defined(RLIMIT_NOFILE))
-	{
-		struct rlimit rlp;
-		getrlimit(RLIMIT_NOFILE, &rlp);
-		/* Set the fd limit to be real_max_open_files + MAX_OPEN_FUDGEFACTOR to
-		 * account for the extra fd we need 
-		 * as well as the log files and standard
-		 * handles etc.  */
-		rlp.rlim_cur = (real_max_open_files+MAX_OPEN_FUDGEFACTOR>rlp.rlim_max)? 
-			rlp.rlim_max:real_max_open_files+MAX_OPEN_FUDGEFACTOR;
-		setrlimit(RLIMIT_NOFILE, &rlp);
-		getrlimit(RLIMIT_NOFILE, &rlp);
-        if(rlp.rlim_cur != (real_max_open_files + MAX_OPEN_FUDGEFACTOR))
-          DEBUG(0,("file_init: Maximum number of open files requested per session \
-was %d, actual files available  per session = %d\n", 
-                real_max_open_files, (int)rlp.rlim_cur - MAX_OPEN_FUDGEFACTOR ));
-
-        DEBUG(2,("Maximum number of open files per session is %d\n", 
-              (int)rlp.rlim_cur - MAX_OPEN_FUDGEFACTOR));
-
-        real_max_open_files = (int)rlp.rlim_cur - MAX_OPEN_FUDGEFACTOR;
-	}
-#endif
+	int real_max_open_files, lim;
 
-	file_bmap = bitmap_allocate(real_max_open_files);
+	lim = set_maxfiles();
+	lim = MIN(lim, lp_max_open_files());
 
+	real_max_open_files = lim - MAX_OPEN_FUDGEFACTOR;
+	
+	file_bmap = bitmap_allocate(real_max_open_files);
+	
 	if (!file_bmap) {
 		exit_server("out of memory in file_init");
 	}
-
+	
 	/*
 	 * Ensure that pipe_handle_oppset is set correctly.
 	 */
diff --git a/source3/smbwrapper/smbw.c b/source3/smbwrapper/smbw.c
index e76b42692e..633e63ef8d 100644
--- a/source3/smbwrapper/smbw.c
+++ b/source3/smbwrapper/smbw.c
@@ -87,6 +87,8 @@ void smbw_init(void)
 		DEBUG(4,("Initial cwd from getwd is %s\n", smb_cwd));
 	}
 	smbw_busy--;
+
+	set_maxfiles();
 }
 
 /***************************************************** 
-- 
cgit