minit

commit 4033936829767421a2c9f6414c710e6270a91cca
parent fcd80f81722a4b7f735c2a8ee66b245896dbcacb
Author: sanjiyan <sanjiyan>
Date:   Fri, 17 Feb 2006 07:42:11 +0000

add a few small features like:
  - changing the nice
  - redirecting the output without extra log process

Diffstat:
M
README
 | 
15
+++++++++++++++
M
minit.c
 | 
15
+++++++++++++++

2 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/README b/README
@@ -46,6 +46,21 @@ Each service directory can contain the following files/symlinks:
     process dies and is restarted, no log entries will be lost and there
     will be no SIGPIPE.
 
+  nice
+
+    a plain text file containing the value to add to the nice level via the
+    nice systemcall.
+
+  in
+
+    this file is used for stdin.
+
+  out
+
+    this file is used for stdout and stderr.
+    e.g. a symlink to /dev/null
+
+
 Please see http://cr.yp.to/daemontools/multilog.html for a very good
 logging tool.
 
diff --git a/minit.c b/minit.c
@@ -237,6 +237,21 @@ again:
       req.tv_nsec=500000000;
       nanosleep(&req,0);
     }
+    if ((fd=open("in",O_RDONLY))!=-1) {
+      dup2(fd,0);
+      fcntl(0,F_SETFD,0);
+    }
+    if ((fd=open("out",O_WRONLY))!=-1) {
+      dup2(fd,1);
+      dup2(fd,2);
+      fcntl(1,F_SETFD,0);
+      fcntl(2,F_SETFD,0);
+    }
+    if (!openreadclose("nice",&s,&len)) {
+      int n=atoi(s);
+      nice(n);
+      s=0;
+    }
     if (!openreadclose("params",&s,&len)) {
       argv=split(s,'\n',&argc,2,1);
       if (argv[argc-1]) argv[argc-1]=0; else argv[argc]=0;