Run through indent, fix comments
This commit is contained in:
265
init/init.c
265
init/init.c
@@ -55,36 +55,36 @@
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/* From <linux/vt.h> */
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struct vt_stat {
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unsigned short v_active; /* active vt */
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unsigned short v_signal; /* signal to send */
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unsigned short v_state; /* vt bitmask */
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unsigned short v_active; /* active vt */
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unsigned short v_signal; /* signal to send */
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unsigned short v_state; /* vt bitmask */
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};
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static const int VT_GETSTATE = 0x5603; /* get global vt state info */
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static const int VT_GETSTATE = 0x5603; /* get global vt state info */
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/* From <linux/serial.h> */
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struct serial_struct {
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int type;
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int line;
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int port;
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int irq;
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int flags;
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int xmit_fifo_size;
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int custom_divisor;
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int baud_base;
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unsigned short close_delay;
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char reserved_char[2];
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int hub6;
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unsigned short closing_wait; /* time to wait before closing */
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unsigned short closing_wait2; /* no longer used... */
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int reserved[4];
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int type;
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int line;
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int port;
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int irq;
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int flags;
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int xmit_fifo_size;
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int custom_divisor;
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int baud_base;
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unsigned short close_delay;
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char reserved_char[2];
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int hub6;
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unsigned short closing_wait; /* time to wait before closing */
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unsigned short closing_wait2; /* no longer used... */
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int reserved[4];
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};
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#if (__GNU_LIBRARY__ > 5) || defined(__dietlibc__)
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#include <sys/reboot.h>
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#define init_reboot(magic) reboot(magic)
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#if (__GNU_LIBRARY__ > 5) || defined(__dietlibc__)
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#include <sys/reboot.h>
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#define init_reboot(magic) reboot(magic)
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#else
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#define init_reboot(magic) reboot(0xfee1dead, 672274793, magic)
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#define init_reboot(magic) reboot(0xfee1dead, 672274793, magic)
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#endif
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#ifndef _PATH_STDPATH
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@@ -106,16 +106,16 @@ struct serial_struct {
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#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
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#if __GNU_LIBRARY__ > 5
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#include <sys/kdaemon.h>
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#include <sys/kdaemon.h>
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#else
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extern int bdflush (int func, long int data);
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extern int bdflush(int func, long int data);
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#endif
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#define SHELL "/bin/sh" /* Default shell */
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#define LOGIN_SHELL "-" SHELL /* Default login shell */
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#define INITTAB "/etc/inittab" /* inittab file location */
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#define SHELL "/bin/sh" /* Default shell */
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#define LOGIN_SHELL "-" SHELL /* Default login shell */
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#define INITTAB "/etc/inittab" /* inittab file location */
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#ifndef INIT_SCRIPT
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#define INIT_SCRIPT "/etc/init.d/rcS" /* Default sysinit script. */
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#define INIT_SCRIPT "/etc/init.d/rcS" /* Default sysinit script. */
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#endif
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#define MAXENV 16 /* Number of env. vars */
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@@ -159,15 +159,17 @@ struct init_action {
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/* Static variables */
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static struct init_action *init_action_list = NULL;
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static int kernelVersion = 0;
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static char termType[32] = "TERM=linux";
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static char console[32] = _PATH_CONSOLE;
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static int kernelVersion = 0;
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static char termType[32] = "TERM=linux";
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static char console[32] = _PATH_CONSOLE;
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#ifndef CONFIG_SYSLOGD
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static char *log = VC_5;
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static char *log = VC_5;
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#endif
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static sig_atomic_t got_cont = 0;
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static const int LOG = 0x1;
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static const int CONSOLE = 0x2;
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#if defined CONFIG_FEATURE_EXTRA_QUIET
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static const int MAYBE_CONSOLE = 0x0;
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#else
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@@ -177,6 +179,7 @@ static const int MAYBE_CONSOLE = 0x0;
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static const int RB_HALT_SYSTEM = 0xcdef0123;
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static const int RB_ENABLE_CAD = 0x89abcdef;
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static const int RB_DISABLE_CAD = 0;
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#define RB_POWER_OFF 0x4321fedc
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static const int RB_AUTOBOOT = 0x01234567;
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#endif
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@@ -189,17 +192,20 @@ static int waitfor(struct init_action *a);
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static void loop_forever(void)
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{
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while (1)
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sleep (1);
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sleep(1);
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}
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/* Print a message to the specified device.
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* Device may be bitwise-or'd from LOG | CONSOLE */
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#ifdef DEBUG_INIT
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static inline messageND(int device, char *fmt, ...) { }
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#else
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static inline messageND(int device, char *fmt, ...)
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{
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}
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#else
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#define messageND message
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#endif
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static void message(int device, char *fmt, ...) __attribute__ ((format (printf, 2, 3)));
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static void message(int device, char *fmt, ...)
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__attribute__ ((format(printf, 2, 3)));
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static void message(int device, char *fmt, ...)
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{
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va_list arguments;
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@@ -222,7 +228,7 @@ static void message(int device, char *fmt, ...)
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/* Take full control of the log tty, and never close it.
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* It's mine, all mine! Muhahahaha! */
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if (log_fd < 0) {
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if ((log_fd = device_open(log, O_RDWR|O_NDELAY)) < 0) {
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if ((log_fd = device_open(log, O_RDWR | O_NDELAY)) < 0) {
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log_fd = -2;
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fprintf(stderr, "Bummer, can't write to log on %s!\n", log);
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device = CONSOLE;
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@@ -237,9 +243,9 @@ static void message(int device, char *fmt, ...)
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if (device & CONSOLE) {
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/* Always send console messages to /dev/console so people will see them. */
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if (
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(fd =
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device_open(_PATH_CONSOLE, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) {
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if ((fd =
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device_open(_PATH_CONSOLE,
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O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) {
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va_start(arguments, fmt);
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vdprintf(fd, fmt, arguments);
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va_end(arguments);
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@@ -261,21 +267,21 @@ static void set_term(int fd)
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tcgetattr(fd, &tty);
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/* set control chars */
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tty.c_cc[VINTR] = 3; /* C-c */
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tty.c_cc[VQUIT] = 28; /* C-\ */
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tty.c_cc[VERASE] = 127; /* C-? */
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tty.c_cc[VKILL] = 21; /* C-u */
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tty.c_cc[VEOF] = 4; /* C-d */
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tty.c_cc[VINTR] = 3; /* C-c */
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tty.c_cc[VQUIT] = 28; /* C-\ */
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tty.c_cc[VERASE] = 127; /* C-? */
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tty.c_cc[VKILL] = 21; /* C-u */
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tty.c_cc[VEOF] = 4; /* C-d */
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tty.c_cc[VSTART] = 17; /* C-q */
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tty.c_cc[VSTOP] = 19; /* C-s */
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tty.c_cc[VSUSP] = 26; /* C-z */
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tty.c_cc[VSTOP] = 19; /* C-s */
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tty.c_cc[VSUSP] = 26; /* C-z */
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/* use line dicipline 0 */
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tty.c_line = 0;
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/* Make it be sane */
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tty.c_cflag &= CBAUD|CBAUDEX|CSIZE|CSTOPB|PARENB|PARODD;
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tty.c_cflag |= CREAD|HUPCL|CLOCAL;
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tty.c_cflag &= CBAUD | CBAUDEX | CSIZE | CSTOPB | PARENB | PARODD;
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tty.c_cflag |= CREAD | HUPCL | CLOCAL;
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/* input modes */
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@@ -296,7 +302,7 @@ static void set_term(int fd)
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static int check_free_memory(void)
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{
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struct sysinfo info;
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unsigned int result, u, s=10;
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unsigned int result, u, s = 10;
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if (sysinfo(&info) != 0) {
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perror_msg("Error checking free memory");
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@@ -306,11 +312,16 @@ static int check_free_memory(void)
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/* Kernels 2.0.x and 2.2.x return info.mem_unit==0 with values in bytes.
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* Kernels 2.4.0 return info.mem_unit in bytes. */
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u = info.mem_unit;
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if (u==0) u=1;
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while ( (u&1) == 0 && s > 0 ) { u>>=1; s--; }
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result = (info.totalram>>s) + (info.totalswap>>s);
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result = result*u;
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if (result < 0) result = INT_MAX;
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if (u == 0)
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u = 1;
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while ((u & 1) == 0 && s > 0) {
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u >>= 1;
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s--;
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}
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result = (info.totalram >> s) + (info.totalswap >> s);
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result = result * u;
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if (result < 0)
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result = INT_MAX;
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return result;
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}
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@@ -378,17 +389,18 @@ static void console_init(void)
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if (ioctl(0, TIOCGSERIAL, &sr) == 0) {
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/* Force the TERM setting to vt102 for serial console --
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* if TERM is set to linux (the default) */
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if (strcmp( termType, "TERM=linux" ) == 0)
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if (strcmp(termType, "TERM=linux") == 0)
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safe_strncpy(termType, "TERM=vt102", sizeof(termType));
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}
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close(fd);
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}
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message(LOG, "console=%s\n", console);
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}
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static void fixup_argv(int argc, char **argv, char *new_argv0)
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{
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int len;
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/* Fix up argv[0] to be certain we claim to be init */
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len = strlen(argv[0]);
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memset(argv[0], 0, len);
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@@ -425,8 +437,7 @@ static void check_memory(void)
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#endif
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goodnight:
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message(CONSOLE,
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"\rSorry, your computer does not have enough memory.\n");
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message(CONSOLE, "\rSorry, your computer does not have enough memory.\n");
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loop_forever();
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}
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@@ -436,9 +447,9 @@ static pid_t run(struct init_action *a)
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int i, j, junk;
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pid_t pid, pgrp, tmp_pid;
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char *s, *tmpCmd, *cmd[INIT_BUFFS_SIZE], *cmdpath;
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char buf[INIT_BUFFS_SIZE+6]; /* INIT_BUFFS_SIZE+strlen("exec ")+1 */
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char buf[INIT_BUFFS_SIZE + 6]; /* INIT_BUFFS_SIZE+strlen("exec ")+1 */
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sigset_t nmask, omask;
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char *environment[MAXENV+1] = {
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char *environment[MAXENV + 1] = {
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termType,
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"HOME=/",
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"PATH=" _PATH_STDPATH,
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@@ -453,8 +464,8 @@ static pid_t run(struct init_action *a)
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"\nPlease press Enter to activate this console. ";
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/* inherit environment to the child, merging our values -andy */
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for (i=0; environ[i]; i++) {
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for (j=0; environment[j]; j++) {
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for (i = 0; environ[i]; i++) {
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for (j = 0; environment[j]; j++) {
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s = strchr(environment[j], '=');
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if (!strncmp(environ[i], environment[j], s - environment[j]))
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break;
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@@ -470,8 +481,7 @@ static pid_t run(struct init_action *a)
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sigaddset(&nmask, SIGCHLD);
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sigprocmask(SIG_BLOCK, &nmask, &omask);
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if ((pid = fork()) == 0)
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{
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if ((pid = fork()) == 0) {
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/* Clean up */
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close(0);
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close(1);
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@@ -481,20 +491,20 @@ static pid_t run(struct init_action *a)
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/* Reset signal handlers that were set by the parent process */
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signal(SIGUSR1, SIG_DFL);
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signal(SIGUSR2, SIG_DFL);
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signal(SIGINT, SIG_DFL);
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signal(SIGINT, SIG_DFL);
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signal(SIGTERM, SIG_DFL);
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signal(SIGHUP, SIG_DFL);
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signal(SIGHUP, SIG_DFL);
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signal(SIGCONT, SIG_DFL);
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signal(SIGSTOP, SIG_DFL);
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signal(SIGTSTP, SIG_DFL);
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/* Create a new session and make ourself the process
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* group leader for non-interactive jobs */
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if ((a->action & (RESPAWN))==0)
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if ((a->action & (RESPAWN)) == 0)
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setsid();
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/* Open the new terminal device */
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if ((device_open(a->terminal, O_RDWR|O_NOCTTY)) < 0) {
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if ((device_open(a->terminal, O_RDWR | O_NOCTTY)) < 0) {
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if (stat(a->terminal, &sb) != 0) {
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message(LOG | CONSOLE, "\rdevice '%s' does not exist.\n",
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a->terminal);
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@@ -505,8 +515,8 @@ static pid_t run(struct init_action *a)
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}
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/* Non-interactive jobs should not get a controling tty */
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if ((a->action & (RESPAWN))==0)
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(void)ioctl(0, TIOCSCTTY, 0);
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if ((a->action & (RESPAWN)) == 0)
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(void) ioctl(0, TIOCSCTTY, 0);
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/* Make sure the terminal will act fairly normal for us */
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set_term(0);
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@@ -522,7 +532,7 @@ static pid_t run(struct init_action *a)
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/* If the init Action requires us to wait, then force the
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* supplied terminal to be the controlling tty. */
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if (a->action & (SYSINIT|WAIT|CTRLALTDEL|SHUTDOWN|RESTART)) {
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if (a->action & (SYSINIT | WAIT | CTRLALTDEL | SHUTDOWN | RESTART)) {
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/* Now fork off another process to just hang around */
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if ((pid = fork()) < 0) {
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@@ -539,8 +549,7 @@ static pid_t run(struct init_action *a)
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signal(SIGCHLD, SIG_DFL);
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/* Wait for child to exit */
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while ((tmp_pid = waitpid(pid, &junk, 0)) != pid)
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;
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while ((tmp_pid = waitpid(pid, &junk, 0)) != pid);
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/* See if stealing the controlling tty back is necessary */
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pgrp = tcgetpgrp(0);
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@@ -551,13 +560,13 @@ static pid_t run(struct init_action *a)
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if ((pid = fork()) < 0) {
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message(LOG | CONSOLE, "\rCan't fork!\n");
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_exit(1);
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}
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}
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if (pid == 0) {
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setsid();
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ioctl(0, TIOCSCTTY, 1);
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_exit(0);
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}
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while((tmp_pid = waitpid(pid, &junk, 0)) != pid) {
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}
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while ((tmp_pid = waitpid(pid, &junk, 0)) != pid) {
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if (tmp_pid < 0 && errno == ECHILD)
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break;
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}
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@@ -578,8 +587,7 @@ static pid_t run(struct init_action *a)
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/* Convert command (char*) into cmd (char**, one word per string) */
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strcpy(buf, a->command);
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s = buf;
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for (tmpCmd = buf, i = 0;
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(tmpCmd = strsep(&s, " \t")) != NULL;) {
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for (tmpCmd = buf, i = 0; (tmpCmd = strsep(&s, " \t")) != NULL;) {
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if (*tmpCmd != '\0') {
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cmd[i] = tmpCmd;
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i++;
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@@ -606,12 +614,12 @@ static pid_t run(struct init_action *a)
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s = get_last_path_component(cmdpath);
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/* make a new argv[0] */
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if ((cmd[0] = malloc(strlen(s)+2)) == NULL) {
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if ((cmd[0] = malloc(strlen(s) + 2)) == NULL) {
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message(LOG | CONSOLE, "malloc failed");
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cmd[0] = cmdpath;
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} else {
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cmd[0][0] = '-';
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strcpy(cmd[0]+1, s);
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strcpy(cmd[0] + 1, s);
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}
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}
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@@ -624,19 +632,21 @@ static pid_t run(struct init_action *a)
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* be allowed to start a shell or whatever an init script
|
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* specifies.
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*/
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messageND(LOG, "Waiting for enter to start '%s' (pid %d, terminal %s)\n",
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cmdpath, getpid(), a->terminal);
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messageND(LOG,
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"Waiting for enter to start '%s' (pid %d, terminal %s)\n",
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cmdpath, getpid(), a->terminal);
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write(fileno(stdout), press_enter, sizeof(press_enter) - 1);
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getc(stdin);
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}
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/* Log the process name and args */
|
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messageND(LOG, "Starting pid %d, console %s: '%s'\n",
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getpid(), a->terminal, cmdpath);
|
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getpid(), a->terminal, cmdpath);
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#if defined CONFIG_FEATURE_INIT_COREDUMPS
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if (stat (CORE_ENABLE_FLAG_FILE, &sb) == 0) {
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if (stat(CORE_ENABLE_FLAG_FILE, &sb) == 0) {
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struct rlimit limit;
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limit.rlim_cur = RLIM_INFINITY;
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limit.rlim_max = RLIM_INFINITY;
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setrlimit(RLIMIT_CORE, &limit);
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@@ -658,7 +668,7 @@ static pid_t run(struct init_action *a)
|
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|
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static int waitfor(struct init_action *a)
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{
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int pid;
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int pid;
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int status, wpid;
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pid = run(a);
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@@ -681,13 +691,14 @@ static void run_actions(int action)
|
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for (a = init_action_list; a; a = tmp) {
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tmp = a->next;
|
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if (a->action == action) {
|
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if (a->action & (SYSINIT|WAIT|CTRLALTDEL|SHUTDOWN|RESTART)) {
|
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if (a->
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action & (SYSINIT | WAIT | CTRLALTDEL | SHUTDOWN | RESTART)) {
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waitfor(a);
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delete_init_action(a);
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} else if (a->action & ONCE) {
|
||||
run(a);
|
||||
delete_init_action(a);
|
||||
} else if (a->action & (RESPAWN|ASKFIRST)) {
|
||||
} else if (a->action & (RESPAWN | ASKFIRST)) {
|
||||
/* Only run stuff with pid==0. If they have
|
||||
* a pid, that means it is still running */
|
||||
if (a->pid == 0) {
|
||||
@@ -720,16 +731,16 @@ static void shutdown_system(void)
|
||||
/* Allow Ctrl-Alt-Del to reboot system. */
|
||||
init_reboot(RB_ENABLE_CAD);
|
||||
|
||||
message(CONSOLE|LOG, "\n\rThe system is going down NOW !!\n");
|
||||
message(CONSOLE | LOG, "\n\rThe system is going down NOW !!\n");
|
||||
sync();
|
||||
|
||||
/* Send signals to every process _except_ pid 1 */
|
||||
message(CONSOLE|LOG, "\rSending SIGTERM to all processes.\n");
|
||||
message(CONSOLE | LOG, "\rSending SIGTERM to all processes.\n");
|
||||
kill(-1, SIGTERM);
|
||||
sleep(1);
|
||||
sync();
|
||||
|
||||
message(CONSOLE|LOG, "\rSending SIGKILL to all processes.\n");
|
||||
message(CONSOLE | LOG, "\rSending SIGKILL to all processes.\n");
|
||||
kill(-1, SIGKILL);
|
||||
sleep(1);
|
||||
|
||||
@@ -737,7 +748,7 @@ static void shutdown_system(void)
|
||||
run_actions(SHUTDOWN);
|
||||
|
||||
sync();
|
||||
if (kernelVersion > 0 && kernelVersion <= KERNEL_VERSION(2,2,11)) {
|
||||
if (kernelVersion > 0 && kernelVersion <= KERNEL_VERSION(2, 2, 11)) {
|
||||
/* bdflush, kupdate not needed for kernels >2.2.11 */
|
||||
bdflush(1, 0);
|
||||
sync();
|
||||
@@ -748,7 +759,7 @@ static void exec_signal(int sig)
|
||||
{
|
||||
struct init_action *a, *tmp;
|
||||
sigset_t unblock_signals;
|
||||
|
||||
|
||||
for (a = init_action_list; a; a = tmp) {
|
||||
tmp = a->next;
|
||||
if (a->action & RESTART) {
|
||||
@@ -767,11 +778,11 @@ static void exec_signal(int sig)
|
||||
sigaddset(&unblock_signals, SIGTSTP);
|
||||
sigprocmask(SIG_UNBLOCK, &unblock_signals, NULL);
|
||||
|
||||
message(CONSOLE|LOG, "\rTrying to re-exec %s\n", a->command);
|
||||
message(CONSOLE | LOG, "\rTrying to re-exec %s\n", a->command);
|
||||
execl(a->command, a->command, NULL);
|
||||
|
||||
message(CONSOLE|LOG, "\rexec of '%s' failed: %s\n",
|
||||
a->command, sys_errlist[errno]);
|
||||
|
||||
message(CONSOLE | LOG, "\rexec of '%s' failed: %s\n",
|
||||
a->command, sys_errlist[errno]);
|
||||
sync();
|
||||
sleep(2);
|
||||
init_reboot(RB_HALT_SYSTEM);
|
||||
@@ -783,20 +794,20 @@ static void exec_signal(int sig)
|
||||
static void halt_signal(int sig)
|
||||
{
|
||||
shutdown_system();
|
||||
message(CONSOLE|LOG,
|
||||
message(CONSOLE | LOG,
|
||||
#if #cpu(s390)
|
||||
/* Seems the s390 console is Wierd(tm). */
|
||||
"\rThe system is halted. You may reboot now.\n"
|
||||
#else
|
||||
"\rThe system is halted. Press Reset or turn off power\n"
|
||||
#endif
|
||||
);
|
||||
);
|
||||
sync();
|
||||
|
||||
/* allow time for last message to reach serial console */
|
||||
sleep(2);
|
||||
|
||||
if (sig == SIGUSR2 && kernelVersion >= KERNEL_VERSION(2,2,0))
|
||||
if (sig == SIGUSR2 && kernelVersion >= KERNEL_VERSION(2, 2, 0))
|
||||
init_reboot(RB_POWER_OFF);
|
||||
else
|
||||
init_reboot(RB_HALT_SYSTEM);
|
||||
@@ -807,7 +818,7 @@ static void halt_signal(int sig)
|
||||
static void reboot_signal(int sig)
|
||||
{
|
||||
shutdown_system();
|
||||
message(CONSOLE|LOG, "\rPlease stand by while rebooting the system.\n");
|
||||
message(CONSOLE | LOG, "\rPlease stand by while rebooting the system.\n");
|
||||
sync();
|
||||
|
||||
/* allow time for last message to reach serial console */
|
||||
@@ -829,12 +840,13 @@ static void stop_handler(int sig)
|
||||
int saved_errno = errno;
|
||||
|
||||
got_cont = 0;
|
||||
while(!got_cont) pause();
|
||||
while (!got_cont)
|
||||
pause();
|
||||
got_cont = 0;
|
||||
errno = saved_errno;
|
||||
}
|
||||
|
||||
/* The SIGCONT handler */
|
||||
/* The SIGCONT handler */
|
||||
static void cont_handler(int sig)
|
||||
{
|
||||
got_cont = 1;
|
||||
@@ -850,7 +862,7 @@ static void new_init_action(int action, char *command, char *cons)
|
||||
cons = console;
|
||||
|
||||
/* do not run entries if console device is not available */
|
||||
if (access(cons, R_OK|W_OK))
|
||||
if (access(cons, R_OK | W_OK))
|
||||
return;
|
||||
if (strcmp(cons, "/dev/null") == 0 && (action & ASKFIRST))
|
||||
return;
|
||||
@@ -862,7 +874,7 @@ static void new_init_action(int action, char *command, char *cons)
|
||||
}
|
||||
|
||||
/* Append to the end of the list */
|
||||
for (a = init_action_list; a && a->next; a = a->next) ;
|
||||
for (a = init_action_list; a && a->next; a = a->next);
|
||||
if (a) {
|
||||
a->next = new_action;
|
||||
} else {
|
||||
@@ -872,11 +884,11 @@ static void new_init_action(int action, char *command, char *cons)
|
||||
new_action->action = action;
|
||||
strcpy(new_action->terminal, cons);
|
||||
new_action->pid = 0;
|
||||
// message(LOG|CONSOLE, "command='%s' action='%d' terminal='%s'\n",
|
||||
// new_action->command, new_action->action, new_action->terminal);
|
||||
/* message(LOG|CONSOLE, "command='%s' action='%d' terminal='%s'\n",
|
||||
new_action->command, new_action->action, new_action->terminal); */
|
||||
}
|
||||
|
||||
static void delete_init_action(struct init_action * action)
|
||||
static void delete_init_action(struct init_action *action)
|
||||
{
|
||||
struct init_action *a, *b = NULL;
|
||||
|
||||
@@ -899,12 +911,13 @@ static void delete_init_action(struct init_action * action)
|
||||
* of "askfirst" shells). If CONFIG_FEATURE_USE_INITTAB
|
||||
* _is_ defined, but /etc/inittab is missing, this
|
||||
* results in the same set of default behaviors.
|
||||
* */
|
||||
*/
|
||||
static void parse_inittab(void)
|
||||
{
|
||||
#ifdef CONFIG_FEATURE_USE_INITTAB
|
||||
FILE *file;
|
||||
char buf[INIT_BUFFS_SIZE], lineAsRead[INIT_BUFFS_SIZE], tmpConsole[INIT_BUFFS_SIZE];
|
||||
char buf[INIT_BUFFS_SIZE], lineAsRead[INIT_BUFFS_SIZE],
|
||||
tmpConsole[INIT_BUFFS_SIZE];
|
||||
char *id, *runlev, *action, *command, *eol;
|
||||
const struct init_action_type *a = actions;
|
||||
int foundIt;
|
||||
@@ -989,7 +1002,7 @@ static void parse_inittab(void)
|
||||
if (strcmp(a->name, action) == 0) {
|
||||
if (*id != '\0') {
|
||||
strcpy(tmpConsole, "/dev/");
|
||||
strncat(tmpConsole, id, INIT_BUFFS_SIZE-6);
|
||||
strncat(tmpConsole, id, INIT_BUFFS_SIZE - 6);
|
||||
id = tmpConsole;
|
||||
}
|
||||
new_init_action(a->action, command, id);
|
||||
@@ -1006,7 +1019,7 @@ static void parse_inittab(void)
|
||||
}
|
||||
fclose(file);
|
||||
return;
|
||||
#endif /* CONFIG_FEATURE_USE_INITTAB */
|
||||
#endif /* CONFIG_FEATURE_USE_INITTAB */
|
||||
}
|
||||
|
||||
|
||||
@@ -1020,31 +1033,30 @@ extern int init_main(int argc, char **argv)
|
||||
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) {
|
||||
|
||||
if (!pid || *pid <= 0) {
|
||||
pid = find_pid_by_name("linuxrc");
|
||||
if (!pid || *pid<=0)
|
||||
if (!pid || *pid <= 0)
|
||||
error_msg_and_die("no process killed");
|
||||
}
|
||||
kill(*pid, SIGHUP);
|
||||
exit(0);
|
||||
}
|
||||
|
||||
#ifndef DEBUG_INIT
|
||||
/* Expect to be invoked as init with PID=1 or be invoked as linuxrc */
|
||||
if (getpid() != 1
|
||||
#ifdef CONFIG_FEATURE_INITRD
|
||||
&& strstr(applet_name, "linuxrc") == NULL
|
||||
&& strstr(applet_name, "linuxrc") == NULL
|
||||
#endif
|
||||
)
|
||||
{
|
||||
show_usage();
|
||||
) {
|
||||
show_usage();
|
||||
}
|
||||
/* Set up sig handlers -- be sure to
|
||||
* clear all of these in run() */
|
||||
signal(SIGHUP, exec_signal);
|
||||
signal(SIGHUP, exec_signal);
|
||||
signal(SIGUSR1, halt_signal);
|
||||
signal(SIGUSR2, halt_signal);
|
||||
signal(SIGINT, ctrlaltdel_signal);
|
||||
signal(SIGINT, ctrlaltdel_signal);
|
||||
signal(SIGTERM, reboot_signal);
|
||||
signal(SIGCONT, cont_handler);
|
||||
signal(SIGSTOP, stop_handler);
|
||||
@@ -1066,8 +1078,8 @@ extern int init_main(int argc, char **argv)
|
||||
close(1);
|
||||
close(2);
|
||||
|
||||
if(device_open(console, O_RDWR|O_NOCTTY)==0) {
|
||||
set_term(0);
|
||||
if (device_open(console, O_RDWR | O_NOCTTY) == 0) {
|
||||
set_term(0);
|
||||
close(0);
|
||||
}
|
||||
|
||||
@@ -1075,10 +1087,10 @@ extern int init_main(int argc, char **argv)
|
||||
setsid();
|
||||
|
||||
/* Make sure PATH is set to something sane */
|
||||
putenv("PATH="_PATH_STDPATH);
|
||||
putenv("PATH=" _PATH_STDPATH);
|
||||
|
||||
/* Hello world */
|
||||
message(MAYBE_CONSOLE|LOG, "\rinit started: %s\n", full_version);
|
||||
message(MAYBE_CONSOLE | LOG, "\rinit started: %s\n", full_version);
|
||||
|
||||
/* Make sure there is enough memory to do something useful. */
|
||||
check_memory();
|
||||
@@ -1118,7 +1130,8 @@ extern int init_main(int argc, char **argv)
|
||||
|
||||
/* If there is nothing else to do, stop */
|
||||
if (init_action_list == NULL) {
|
||||
message(LOG | CONSOLE, "\rNo more tasks for init -- sleeping forever.\n");
|
||||
message(LOG | CONSOLE,
|
||||
"\rNo more tasks for init -- sleeping forever.\n");
|
||||
loop_forever();
|
||||
}
|
||||
|
||||
|
Reference in New Issue
Block a user