minit

commit 19b2ac16e6c4001e0779c06bca684cb63622d0e0
parent bbe9fad0afe47378da2a71904114040f47bc58fd
Author: sanjiyan <sanjiyan>
Date:   Tue, 22 Oct 2002 17:17:26 +0000

lines in depends can now be commented out with a #
add a method to clear dead services (mark as terminated)

Diffstat:
M
CHANGES
 | 
2
++
M
minit.c
 | 
12
+++++++++++-
M
msvc.c
 | 
43
+++++++++++++++++++++++++++++++------------

3 files changed, 44 insertions(+), 13 deletions(-)
diff --git a/CHANGES b/CHANGES
@@ -5,6 +5,8 @@
     explicit license statement and sent a patch to make debian packaging
     easier (deb files can't include FIFOs).
   Olaf: add write_proc.
+  Olaf: lines in depends can now be commented out with a #
+  Olaf: add a method to clear dead services (mark as terminated)
 
 0.8:
   call waitpid repeatedly until it returns "no children".
diff --git a/minit.c b/minit.c
@@ -288,7 +288,9 @@ int startservice(int service,int pause) {
       int depc,i;
       deps=split(s,'\n',&depc,0,0);
       for (i=0; i<depc; i++) {
-	int service=loadservice(deps[i]);
+	int service;
+	if (deps[i][0]=='#') continue;
+	service=loadservice(deps[i]);
 	if (service>=0 && root[service].pid!=1)
 	  startservice(service,0);
       }
@@ -459,6 +461,13 @@ error:
 	  case 'R':
 	    root[idx].respawn=1;
 	    goto ok;
+	  case 'C':
+	    if (kill(root[idx].pid,0)) {	/* check if still active */
+	      handlekilled(root[idx].pid);	/* no!?! remove form active list */
+	      goto error;
+	    }
+	    goto ok;
+	    break;
 	  case 'P':
 	    {
 	      unsigned char *x=buf+str_len(buf)+1;
@@ -491,6 +500,7 @@ ok:
       }
       break;
     default:
+      break;
     }
   }
 }
diff --git a/msvc.c b/msvc.c
@@ -46,6 +46,16 @@ int setpid(char *service, pid_t pid) {
 }
 
 /* return nonzero if error */
+int check_remove(char *service) {
+  int len;
+  buf[0]='C';
+  strncpy(buf+1,service,1400);
+  write(infd,buf,str_len(buf));
+  len=read(outfd,buf,1500);
+  return (len!=1 || buf[0]=='0');
+}
+
+/* return nonzero if error */
 int startservice(char *service) {
   int len;
   buf[0]='s';
@@ -71,18 +81,19 @@ main(int argc,char *argv[]) {
   int len;
   if (argc<2) {
     buffer_putsflush(buffer_1,
-         "usage: msvc -[uodpchaitko] service\n"
-	 "       msvc -Ppid service\n"
-	  " -u	up; start service with respawn\n"
-	  " -o	once; start service without respawn\n"
-	  " -d	down; disable respawn, stop service\n"
-	  " -p	pause; send SIGSTOP\n"
-	  " -c	continue; send SIGCONT\n"
-	  " -h	hangup; send SIGHUP\n"
-	  " -a	alarm; send SIGALRM\n"
-	  " -i	intr; send SIGINT\n"
-	  " -t	terminate; send SIGTERM\n"
-	  " -k	kill; send SIGKILL\n\n");
+	"usage: msvc -[uodpchaitkoC] service\n"
+	"       msvc -Ppid service\n"
+	" -u\tup; start service with respawn\n"
+	" -o\tonce; start service without respawn\n"
+	" -d\tdown; disable respawn, stop service\n"
+	" -p\tpause; send SIGSTOP\n"
+	" -c\tcontinue; send SIGCONT\n"
+	" -h\thangup; send SIGHUP\n"
+	" -a\talarm; send SIGALRM\n"
+	" -i\tintr; send SIGINT\n"
+	" -t\tterminate; send SIGTERM\n"
+	" -k\tkill; send SIGKILL\n"
+	" -C\tClear; remove service form active list\n\n");
     return 0;
   }
   infd=open("/etc/minit/in",O_WRONLY);
@@ -149,6 +160,14 @@ main(int argc,char *argv[]) {
 	    goto error;
 	  }
 	  break;
+	case 'C':
+	  if (check_remove(argv[2])) {
+	    buffer_puts(buffer_2,"Service ");
+	    buffer_puts(buffer_2,argv[2]);
+	    buffer_putsflush(buffer_2," had terminated or was killed\n");
+	    goto error;
+	  }
+	  break;
 	case 'P':
 	  pid=atoi(argv[1]+2);
 	  if (pid>1)