convert calloc to xzalloc

fix sleep-on-die option


git-svn-id: svn://busybox.net/trunk/busybox@17140 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 26 insertions, 26 deletions

diff --git a/init/init.c b/init/init.c
index 2e8ca3ca8..6fc68afb1 100644
--- a/init/init.c
+++ b/init/init.c
@@ -19,7 +19,7 @@
 
 #include "init_shared.h"
 
-#ifdef CONFIG_SYSLOGD
+#if ENABLE_SYSLOGD
 # include <sys/syslog.h>
 #endif
 
@@ -60,7 +60,7 @@ struct serial_struct {
 #define _PATH_STDPATH   "/usr/bin:/bin:/usr/sbin:/sbin"
 #endif
 
-#if defined CONFIG_FEATURE_INIT_COREDUMPS
+#if ENABLE_FEATURE_INIT_COREDUMPS
 /*
  * When a file named CORE_ENABLE_FLAG_FILE exists, setrlimit is called
  * before processes are spawned to set core file size as unlimited.
@@ -121,7 +121,7 @@ struct init_action {
 static struct init_action *init_action_list = NULL;
 static char console[CONSOLE_BUFF_SIZE] = CONSOLE_DEV;
 
-#ifndef CONFIG_SYSLOGD
+#if !ENABLE_SYSLOGD
 static char *log_console = VC_5;
 #endif
 #if !ENABLE_DEBUG_INIT
@@ -132,7 +132,7 @@ enum {
         LOG = 0x1,
         CONSOLE = 0x2,
 
-#if defined CONFIG_FEATURE_EXTRA_QUIET
+#if ENABLE_FEATURE_EXTRA_QUIET
         MAYBE_CONSOLE = 0x0,
 #else
         MAYBE_CONSOLE = CONSOLE,
@@ -162,11 +162,13 @@ static int waitfor(const struct init_action *a, pid_t pid);
 static void shutdown_signal(int sig);
 #endif
 
+#if !ENABLE_DEBUG_INIT
 static void loop_forever(void)
 {
         while (1)
                 sleep(1);
 }
+#endif
 
 /* Print a message to the specified device.
  * Device may be bitwise-or'd from LOG | CONSOLE */
@@ -182,7 +184,7 @@ static void message(int device, const char *fmt, ...)
         va_list arguments;
         int l;
         RESERVE_CONFIG_BUFFER(msg, 1024);
-#ifndef CONFIG_SYSLOGD
+#if !ENABLE_SYSLOGD
         static int log_fd = -1;
 #endif
 
@@ -191,7 +193,7 @@ static void message(int device, const char *fmt, ...)
         l = vsnprintf(msg + 1, 1024 - 2, fmt, arguments) + 1;
                 va_end(arguments);
 
-#ifdef CONFIG_SYSLOGD
+#if ENABLE_SYSLOGD
         /* Log the message to syslogd */
         if (device & LOG) {
                 /* don`t out "\r\n" */
@@ -313,7 +315,7 @@ static void console_init(void)
         }
         if (fd < 0) {
                 /* Perhaps we should panic here? */
-#ifndef CONFIG_SYSLOGD
+#if !ENABLE_SYSLOGD
                 log_console =
 #endif
                 safe_strncpy(console, bb_dev_null, sizeof(console));
@@ -325,7 +327,7 @@ static void console_init(void)
                          * if TERM is set to linux (the default) */
                         if (s == NULL || strcmp(s, "linux") == 0)
                                 putenv("TERM=vt102");
-#ifndef CONFIG_SYSLOGD
+#if !ENABLE_SYSLOGD
                         log_console = console;
 #endif
                 } else {
@@ -510,7 +512,7 @@ static pid_t run(const struct init_action *a)
                                 cmd[0][0] = '-';
                                 strcpy(cmd[0] + 1, s);
                         }
-#ifdef CONFIG_FEATURE_INIT_SCTTY
+#if ENABLE_FEATURE_INIT_SCTTY
                         /* Establish this process as session leader and
                          * (attempt) to make the tty (if any) a controlling tty.
                          */
@@ -543,7 +545,7 @@ static pid_t run(const struct init_action *a)
                 message(LOG, "Starting pid %d, console %s: '%s'",
                                   getpid(), a->terminal, cmdpath);
 
-#if defined CONFIG_FEATURE_INIT_COREDUMPS
+#if ENABLE_FEATURE_INIT_COREDUMPS
                 {
                         struct stat sb;
                         if (stat(CORE_ENABLE_FLAG_FILE, &sb) == 0) {
@@ -622,11 +624,12 @@ static void init_reboot(unsigned long magic)
         /* We have to fork here, since the kernel calls do_exit(0) in
          * linux/kernel/sys.c, which can cause the machine to panic when
          * the init process is killed.... */
-        if ((pid = fork()) == 0) {
+        pid = vfork();
+        if (pid == 0) { /* child */
                 reboot(magic);
                 _exit(0);
         }
-        waitpid (pid, NULL, 0);
+        waitpid(pid, NULL, 0);
 }
 
 static void shutdown_system(void)
@@ -746,7 +749,6 @@ static void shutdown_signal(int sig)
         sleep(2);
 
         init_reboot(rb);
-
         loop_forever();
 }
 
@@ -785,11 +787,7 @@ static void new_init_action(int action, const char *command, const char *cons)
         if (strcmp(cons, bb_dev_null) == 0 && (action & ASKFIRST))
                 return;
 
-        new_action = calloc((size_t) (1), sizeof(struct init_action));
-        if (!new_action) {
-                message(LOG | CONSOLE, "Memory allocation failure");
-                loop_forever();
-        }
+        new_action = xzalloc(sizeof(struct init_action));
 
         /* Append to the end of the list */
         for (a = last = init_action_list; a; a = a->next) {
@@ -841,7 +839,7 @@ static void delete_init_action(struct init_action *action)
  */
 static void parse_inittab(void)
 {
-#ifdef CONFIG_FEATURE_USE_INITTAB
+#if ENABLE_FEATURE_USE_INITTAB
         FILE *file;
         char buf[INIT_BUFFS_SIZE], lineAsRead[INIT_BUFFS_SIZE];
         char tmpConsole[CONSOLE_BUFF_SIZE];
@@ -870,7 +868,7 @@ static void parse_inittab(void)
                 new_init_action(SYSINIT, INIT_SCRIPT, "");
 
                 return;
-#ifdef CONFIG_FEATURE_USE_INITTAB
+#if ENABLE_FEATURE_USE_INITTAB
         }
 
         while (fgets(buf, INIT_BUFFS_SIZE, file) != NULL) {
@@ -941,10 +939,10 @@ static void parse_inittab(void)
         }
         fclose(file);
         return;
-#endif                                                  /* CONFIG_FEATURE_USE_INITTAB */
+#endif /* FEATURE_USE_INITTAB */
 }
 
-#ifdef CONFIG_FEATURE_USE_INITTAB
+#if ENABLE_FEATURE_USE_INITTAB
 static void reload_signal(int sig ATTRIBUTE_UNUSED)
 {
         struct init_action *a, *tmp;
@@ -969,13 +967,15 @@ static void reload_signal(int sig ATTRIBUTE_UNUSED)
         run_actions(RESPAWN);
         return;
 }
-#endif                                                  /* CONFIG_FEATURE_USE_INITTAB */
+#endif  /* FEATURE_USE_INITTAB */
 
 int init_main(int argc, char **argv)
 {
         struct init_action *a;
         pid_t wpid;
 
+        die_sleep = 30 * 24*60*60; /* if xmalloc will ever die... */
+
         if (argc > 1 && !strcmp(argv[1], "-q")) {
                 return kill(1,SIGHUP);
         }
@@ -1062,7 +1062,7 @@ int init_main(int argc, char **argv)
                 parse_inittab();
         }
 
-#ifdef CONFIG_SELINUX
+#if ENABLE_SELINUX
         if (getenv("SELINUX_INIT") == NULL) {
                 int enforce = 0;
 
@@ -1092,12 +1092,12 @@ int init_main(int argc, char **argv)
         /* Next run anything to be run only once */
         run_actions(ONCE);
 
-#ifdef CONFIG_FEATURE_USE_INITTAB
+#if ENABLE_FEATURE_USE_INITTAB
         /* Redefine SIGHUP to reread /etc/inittab */
         signal(SIGHUP, reload_signal);
 #else
         signal(SIGHUP, SIG_IGN);
-#endif /* CONFIG_FEATURE_USE_INITTAB */
+#endif /* FEATURE_USE_INITTAB */
 
 
         /* Now run the looping stuff for the rest of forever */