Init is now even more perfect then before.

 -Erik

1 files changed, 22 insertions, 24 deletions

diff --git a/init/init.c b/init/init.c
index 0472208c5..88b8ed1c1 100644
--- a/init/init.c
+++ b/init/init.c
@@ -61,9 +61,11 @@
 #define VT_LOG          "/dev/tty3"       /* Virtual console */
 #define SERIAL_CON0     "/dev/ttyS0"      /* Primary serial console */
 #define SERIAL_CON1     "/dev/ttyS1"      /* Serial console */
-#define SHELL           "-sh"             /* Default shell */
+#define SHELL           "/bin/sh"         /* Default shell */
 #define INITTAB         "/etc/inittab"    /* inittab file location */
+#ifndef INIT_SCRIPT
 #define INIT_SCRIPT     "/etc/init.d/rcS" /* Default sysinit script. */
+#endif
 
 #define LOG             0x1
 #define CONSOLE         0x2
@@ -330,6 +332,7 @@ static pid_t run(char* command,
         "\nPlease press Enter to activate this console. ";
 
     if ((pid = fork()) == 0) {
+        int fd;
         pid_t shell_pgid = getpid ();
 
         /* Clean up */
@@ -338,17 +341,14 @@ static pid_t run(char* command,
         close(2);
         setsid();
 
-        if (device_open(terminal, O_RDWR) < 0) {
+        if ((fd=device_open(terminal, O_RDWR)) < 0) {
             message(LOG|CONSOLE, "Bummer, can't open %s\r\n", terminal);
             exit(1);
         }
-        dup(0);
-        dup(0);
-        /* Grab control of the terminal.  */
-        if (tcsetpgrp (0, getpgrp()) < 0) {
-            message(LOG|CONSOLE, "tcsetpgrp error: %s\r\n", strerror(errno));
-        }
-        set_term(0);
+        dup(fd);
+        dup(fd);
+        set_term(fd);
+        tcsetpgrp (fd, getpgrp());
 
         /* Reset signal handlers set for parent process */
         signal(SIGUSR1, SIG_DFL);
@@ -497,7 +497,7 @@ static void reboot_signal(int sig)
 
 #endif
 
-void new_initAction (const struct initActionType *a, 
+void new_initAction (initActionEnum action,
         char* process, char* cons)
 {
     initAction* newAction;
@@ -517,7 +517,7 @@ void new_initAction (const struct initActionType *a,
     newAction->nextPtr = initActionList;
     initActionList = newAction;
     strncpy( newAction->process, process, 255);
-    newAction->action = a->action;
+    newAction->action = action;
     if (*cons != '\0') {
         strncpy(newAction->console, cons, 255);
     } else
@@ -561,12 +561,12 @@ void parse_inittab(void)
         /* No inittab file -- set up some default behavior */
 #endif
         /* Askfirst shell on tty1 */
-        new_initAction( &(actions[3]), SHELL, console );
+        new_initAction( ASKFIRST, SHELL, console );
         /* Askfirst shell on tty2 */
         if (second_console != NULL) 
-            new_initAction( &(actions[3]), SHELL, second_console );
+            new_initAction( ASKFIRST, SHELL, second_console );
         /* sysinit */
-        new_initAction( &(actions[0]), INIT_SCRIPT, console );
+        new_initAction( SYSINIT, INIT_SCRIPT, console );
 
         return;
 #ifdef BB_FEATURE_USE_INITTAB
@@ -584,7 +584,6 @@ void parse_inittab(void)
 
         /* Keep a copy around for posterity's sake (and error msgs) */
         strcpy(lineAsRead, buf);
-message(LOG|CONSOLE, "read='%s'\n", lineAsRead);
 
         /* Grab the ID field */
         s=p;
@@ -628,7 +627,7 @@ message(LOG|CONSOLE, "read='%s'\n", lineAsRead);
                     }
                     s = tmpConsole;
                 }
-                new_initAction( a, q, s);
+                new_initAction( a->action, q, s);
                 foundIt=TRUE;
             }
             a++;
@@ -712,9 +711,9 @@ extern int init_main(int argc, char **argv)
     {
         /* Ask first then start a shell on tty2 */
         if (second_console != NULL) 
-            new_initAction( &(actions[3]), SHELL, second_console);
+            new_initAction( ASKFIRST, SHELL, second_console);
         /* Ask first then start a shell on tty1 */
-        new_initAction( &(actions[3]), SHELL, console);
+        new_initAction( ASKFIRST, SHELL, console);
     } else {
         /* Not in single user mode -- see what inittab says */
 
@@ -731,7 +730,7 @@ extern int init_main(int argc, char **argv)
     /* First run the sysinit command */
     for( a=initActionList ; a; a=a->nextPtr) {
         if (a->action == SYSINIT) {
-            waitfor(a->process, console, FALSE);
+            waitfor(a->process, a->console, FALSE);
             /* Now remove the "sysinit" entry from the list */
             delete_initAction( a);
         }
@@ -739,7 +738,7 @@ extern int init_main(int argc, char **argv)
     /* Next run anything that wants to block */
     for( a=initActionList ; a; a=a->nextPtr) {
         if (a->action == WAIT) {
-            waitfor(a->process, console, FALSE);
+            waitfor(a->process, a->console, FALSE);
             /* Now remove the "wait" entry from the list */
             delete_initAction( a);
         }
@@ -747,7 +746,7 @@ extern int init_main(int argc, char **argv)
     /* Next run anything to be run only once */
     for( a=initActionList ; a; a=a->nextPtr) {
         if (a->action == ONCE) {
-            run(a->process, console, FALSE);
+            run(a->process, a->console, FALSE);
             /* Now remove the "once" entry from the list */
             delete_initAction( a);
         }
@@ -760,7 +759,6 @@ extern int init_main(int argc, char **argv)
 
     /* Now run the looping stuff for the rest of forever */
     while (1) {
-        message(LOG|CONSOLE, "Looping\n");
         for( a=initActionList ; a; a=a->nextPtr) {
             /* Only run stuff with pid==0.  If they have
              * a pid, that means they are still running */
@@ -768,11 +766,11 @@ extern int init_main(int argc, char **argv)
                 switch(a->action) {
                     case RESPAWN:
                         /* run the respawn stuff */
-                        a->pid = run(a->process, console, FALSE);
+                        a->pid = run(a->process, a->console, FALSE);
                         break;
                     case ASKFIRST:
                         /* run the askfirst stuff */
-                        a->pid = run(a->process, console, TRUE);
+                        a->pid = run(a->process, a->console, TRUE);
                         break;
                     /* silence the compiler's incessant whining */
                     default: