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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-01-03 02:56:00 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-01-03 02:56:00 +0000
commit9b1381fd2fb7179f731709542507015799f90a51 (patch)
tree66b3617e0b6ceed9c3123000104df0d78bf9bf2a /init
parentbb3d0fab3b46d64e93687bc30b405d0878eca296 (diff)
downloadbusybox-9b1381fd2fb7179f731709542507015799f90a51.tar.gz
busybox-9b1381fd2fb7179f731709542507015799f90a51.tar.bz2
convert calloc to xzalloc
fix sleep-on-die option
Diffstat (limited to 'init')
-rw-r--r--init/init.c52
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 */