From: Ben Gras <ben@minix3.org>
Date: Thu, 11 Dec 2008 14:43:25 +0000 (+0000)
Subject: Open stdin, stdout and stderr only after /etc/rc has executed. (/etc/rc
X-Git-Tag: v3.1.4~194
X-Git-Url: http://zhaoyanbai.com/repos/README?a=commitdiff_plain;h=e9f0c576a31f8ca8052d5a63d08d4059934e1df0;p=minix.git

Open stdin, stdout and stderr only after /etc/rc has executed. (/etc/rc
executes it itself.) This avoids keeping /dev nodes on the temporary
root filesystem (initial mfs) in use unnecessarily.
---

diff --git a/servers/init/init.c b/servers/init/init.c
index 7d32818da..5fd15fd3e 100644
--- a/servers/init/init.c
+++ b/servers/init/init.c
@@ -74,11 +74,12 @@ int main(void)
   struct sigaction sa;
   struct stat stb;
 
-  if (fstat(0, &stb) < 0) {
-	/* Open standard input, output & error. */
-	(void) open("/dev/null", O_RDONLY);
-	(void) open("/dev/log", O_WRONLY);
-	dup(1);
+#define OPENFDS						\
+  if (fstat(0, &stb) < 0) {				\
+	/* Open standard input, output & error. */	\
+	(void) open("/dev/null", O_RDONLY);		\
+	(void) open("/dev/log", O_WRONLY);		\
+	dup(1);						\
   }
 
   sigemptyset(&sa.sa_mask);
@@ -123,6 +124,8 @@ int main(void)
 	_exit(1);	/* impossible, we hope */
   }
 
+  OPENFDS;
+
   /* Clear /etc/utmp if it exists. */
   if ((fd = open(PATH_UTMP, O_WRONLY | O_TRUNC)) >= 0) close(fd);