minit

commit cd01e2bd37d3b4f72caecf7dc65e4b2eee01c110
parent 06aa26ce6594e8072c300fe94c0867019d289ea5
Author: leitner <leitner>
Date:   Thu, 30 Aug 2001 20:15:54 +0000

  add "log" subdirectory (see README).
  get rid of stdio and *printf and switch to routines from libowfat.

Diffstat:
M
CHANGES
 | 
4
++++
M
README
 | 
8
++++++++
M
minit.c
 | 
8
++++++--

3 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/CHANGES b/CHANGES
@@ -1,3 +1,7 @@
+0.5:
+  add "log" subdirectory (see README).
+  get rid of stdio and *printf and switch to routines from libowfat.
+
 0.4:
   add pidfilehack.  It will take the first argument as filename for the
   PID file (i.e. /var/run/sshd.pid), the second argument as service name
diff --git a/README b/README
@@ -37,3 +37,11 @@ Each service directory can contain the following files/symlinks:
     mutually exclusive with respawn.  This is meant for static
     initializations like "ifconfig".
 
+  log
+
+    if this directory exists, it is taken as service and minit creates
+    a pipe between stdout of this service and stdin of the log service.
+    If the log service can not be started, this service will block if it
+    writes to stdout.  File descriptors will be reused, i.e. if the log
+    process dies and is restarted, no log entries will be lost and there
+    will be no SIGPIPE.
diff --git a/minit.c b/minit.c
@@ -293,6 +293,10 @@ void sigchild(int whatever) { dowait=1; }
 void sigwinch(int sig) { dowinch=1; }
 void sigint(int sig) { doint=1; }
 
+static void _puts(const char* s) {
+  write(1,s,strlen(s));
+}
+
 main(int argc, char *argv[]) {
   /* Schritt 1: argv[1] als Service nehmen und starten */
   int count=0;
@@ -319,7 +323,7 @@ main(int argc, char *argv[]) {
   signal(SIGINT,sigint);	/* Ctrl-Alt-Del */
   signal(SIGCHLD,sigchild);
   if (infd<0 || outfd<0) {
-    puts("minit: could not open /etc/minit/in or /etc/minit/out\n");
+    _puts("minit: could not open /etc/minit/in or /etc/minit/out\n");
     nfds=0;
   } else
     pfd.fd=infd;
@@ -353,7 +357,7 @@ main(int argc, char *argv[]) {
 	childhandler();
 	break;
       }
-      puts("poll failed!\n");
+      _puts("poll failed!\n");
       sulogin();
       /* what should we do if poll fails?! */
       break;