Apply last_patch93 from vodz:
authorandersen <andersen@69ca8d6d-28ef-0310-b511-8ec308f3f277>
Fri, 27 Jun 2003 17:08:15 +0000 (17:08 +0000)
committerandersen <andersen@69ca8d6d-28ef-0310-b511-8ec308f3f277>
Fri, 27 Jun 2003 17:08:15 +0000 (17:08 +0000)
    andersen@busybox.net wrote:
    >Message: 4
    >Modified Files:
    >       init.c
    >Log Message:
    >Remove code for unsupported kernel versions

    Hmm. Current init.c have check >= 2.2.0 kernel one time too.
    Ok. Last patch removed this point and move common init code to new file for
    /init dir

git-svn-id: svn://busybox.net/trunk/busybox@7008 69ca8d6d-28ef-0310-b511-8ec308f3f277

init/Makefile.in
init/halt.c
init/init.c
init/init_shared.c [new file with mode: 0644]
init/init_shared.h [new file with mode: 0644]
init/poweroff.c
init/reboot.c

index 9e2f4bc..1eee3d1 100644 (file)
@@ -33,6 +33,28 @@ INIT-$(CONFIG_POWEROFF)                      += poweroff.o
 INIT-$(CONFIG_REBOOT)                  += reboot.o
 INIT-$(CONFIG_START_STOP_DAEMON)       += start_stop_daemon.o
 
+ifeq ($(CONFIG_HALT), y)
+CONFIG_INIT_SHARED=y
+else
+ifeq ($(CONFIG_INIT), y)
+CONFIG_INIT_SHARED=y
+else
+ifeq ($(CONFIG_POWEROFF), y)
+CONFIG_INIT_SHARED=y
+else
+ifeq ($(CONFIG_REBOOT), y)
+CONFIG_INIT_SHARED=y
+else
+CONFIG_INIT_SHARED=n
+endif
+endif
+endif
+endif
+
+ifeq ($(CONFIG_INIT_SHARED), y)
+INIT-$(CONFIG_INIT_SHARED)        += init_shared.o
+endif
+
 libraries-y+=$(INIT_DIR)$(INIT_AR)
 
 $(INIT_DIR)$(INIT_AR): $(patsubst %,$(INIT_DIR)%, $(INIT-y))
index 7e66322..b9eeaeb 100644 (file)
 
 #include "busybox.h"
 #include <signal.h>
+#include "init_shared.h"
+
 
 extern int halt_main(int argc, char **argv)
 {
-#ifdef CONFIG_FEATURE_INITRD
-       /* don't assume init's pid == 1 */
-       long *pid = find_pid_by_name("init");
-       if (!pid || *pid<=0) {
-               pid = find_pid_by_name("linuxrc");
-               if (!pid || *pid<=0)
-                       bb_error_msg_and_die("no process killed");
-       }
-       return(kill(*pid, SIGUSR1));
-#else
-       return(kill(1, SIGUSR1));
-#endif
+       return kill_init(SIGUSR1);
 }
index d51d291..1667d58 100644 (file)
 #include <sys/types.h>
 #include <sys/wait.h>
 #include "busybox.h"
+
+#include "init_shared.h"
+
+
 #ifdef CONFIG_SYSLOGD
 # include <sys/syslog.h>
 #endif
@@ -152,7 +156,6 @@ struct init_action {
 
 /* Static variables */
 static struct init_action *init_action_list = NULL;
-static int kernelVersion;
 static char console[CONSOLE_BUFF_SIZE] = _PATH_CONSOLE;
 
 #ifndef CONFIG_SYSLOGD
@@ -764,7 +767,7 @@ static void halt_signal(int sig)
        /* allow time for last message to reach serial console */
        sleep(2);
 
-       if (sig == SIGUSR2 && kernelVersion >= KERNEL_VERSION(2, 2, 0))
+       if (sig == SIGUSR2)
                init_reboot(RB_POWER_OFF);
        else
                init_reboot(RB_HALT_SYSTEM);
@@ -1014,15 +1017,7 @@ extern int init_main(int argc, char **argv)
        int status;
 
        if (argc > 1 && !strcmp(argv[1], "-q")) {
-               /* don't assume init's pid == 1 */
-               long *pid = find_pid_by_name("init");
-
-               if (!pid || *pid <= 0) {
-                       pid = find_pid_by_name("linuxrc");
-                       if (!pid || *pid <= 0)
-                               bb_error_msg_and_die("no process killed");
-               }
-               return kill(*pid, SIGHUP);
+               return kill_init(SIGHUP);
        }
 #ifndef DEBUG_INIT
        /* Expect to be invoked as init with PID=1 or be invoked as linuxrc */
@@ -1049,9 +1044,6 @@ extern int init_main(int argc, char **argv)
        init_reboot(RB_DISABLE_CAD);
 #endif
 
-       /* Figure out what kernel this is running */
-       kernelVersion = get_kernel_revision();
-
        /* Figure out where the default console should be */
        console_init();
 
diff --git a/init/init_shared.c b/init/init_shared.c
new file mode 100644 (file)
index 0000000..842942f
--- /dev/null
@@ -0,0 +1,21 @@
+#include <signal.h>
+#include "busybox.h"
+
+#include "init_shared.h"
+
+
+extern int kill_init(int sig)
+{
+#ifdef CONFIG_FEATURE_INITRD
+       /* don't assume init's pid == 1 */
+       long *pid = find_pid_by_name("init");
+       if (!pid || *pid<=0) {
+               pid = find_pid_by_name("linuxrc");
+               if (!pid || *pid<=0)
+                       bb_error_msg_and_die("no process killed");
+       }
+       return(kill(*pid, sig));
+#else
+       return(kill(1, sig));
+#endif
+}
diff --git a/init/init_shared.h b/init/init_shared.h
new file mode 100644 (file)
index 0000000..d10a1bd
--- /dev/null
@@ -0,0 +1 @@
+extern int kill_init(int sig);
index aca6e2f..d78ff4f 100644 (file)
 
 extern int poweroff_main(int argc, char **argv)
 {
-#ifdef CONFIG_FEATURE_INITRD
-       /* don't assume init's pid == 1 */
-       long *pid = find_pid_by_name("init");
-       if (!pid || *pid<=0) {
-               pid = find_pid_by_name("linuxrc");
-               if (!pid || *pid<=0)
-                       bb_error_msg_and_die("no process killed");
-       }
-       return(kill(*pid, SIGUSR2));
-#else
-       return(kill(1, SIGUSR2));
-#endif
+       return kill_init(SIGUSR2);
 }
index 8c380fa..be4b97f 100644 (file)
@@ -27,6 +27,8 @@
 #include <getopt.h>
 
 #include "busybox.h"
+#include "init_shared.h"
+
 
 #if (__GNU_LIBRARY__ > 5) || defined(__dietlibc__) 
   #include <sys/reboot.h>
@@ -42,24 +44,12 @@ static const int RB_AUTOBOOT = 0x01234567;
 
 extern int reboot_main(int argc, char **argv)
 {
-       int delay = 0; /* delay in seconds before rebooting */
-       int rc;
-
-       while ((rc = getopt(argc, argv, "d:")) > 0) {
-               switch (rc) {
-               case 'd':
-                       delay = atoi(optarg);
-                       break;
+       char *delay; /* delay in seconds before rebooting */
 
-               default:
-                       bb_show_usage();
-                       break;
-               }
+       if(bb_getopt_ulflags(argc, argv, "d:", &delay)) {
+               sleep(atoi(delay));
        }
 
-       if(delay > 0)
-               sleep(delay);
-
 #ifdef CONFIG_USER_INIT
                /* Don't kill ourself */
         signal(SIGTERM,SIG_IGN);
@@ -83,29 +73,11 @@ extern int reboot_main(int argc, char **argv)
                sleep(1);
 
                sync();
-               if (kernelVersion > 0 && kernelVersion <= KERNEL_VERSION(2,2,11)) {
-                       /* bdflush, kupdate not needed for kernels >2.2.11 */
-                       bdflush(1, 0);
-                       sync();
-               }
 
                init_reboot(RB_AUTOBOOT);
-               exit(0); /* Shrug */
+               return 0; /* Shrug */
 #else
-#ifdef CONFIG_FEATURE_INITRD
-       {
-               /* don't assume init's pid == 1 */
-               long *pid = find_pid_by_name("init");
-               if (!pid || *pid<=0)
-                       pid = find_pid_by_name("linuxrc");
-               if (!pid || *pid<=0)
-                       bb_error_msg_and_die("no process killed");
-               fflush(stdout);
-               return(kill(*pid, SIGTERM));
-       }
-#else
-       return(kill(1, SIGTERM));
-#endif
+       return kill_init(SIGTERM);
 #endif
 }