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authorEric Andersen1999-10-27 02:31:32 +0000
committerEric Andersen1999-10-27 02:31:32 +0000
commita745606df39d10664080c857dea6fd3583a8743a (patch)
treef926d4c44909df191f42d38ae9be47512caa15a8 /init/init.c
parentc8fdb5638952993dcfe7950e4e2513811e8e9137 (diff)
downloadbusybox-a745606df39d10664080c857dea6fd3583a8743a.zip
busybox-a745606df39d10664080c857dea6fd3583a8743a.tar.gz
Stuf
Diffstat (limited to 'init/init.c')
-rw-r--r--init/init.c53
1 files changed, 38 insertions, 15 deletions
diff --git a/init/init.c b/init/init.c
index 2834a4a..83fc951 100644
--- a/init/init.c
+++ b/init/init.c
@@ -52,6 +52,7 @@
#define PATH_DEFAULT "PATH=/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin"
static char *console = CONSOLE;
+static char *first_terminal = "/dev/tty1";
static char *second_terminal = "/dev/tty2";
static char *log = "/dev/tty3";
@@ -87,8 +88,13 @@ void message(char *device, char *fmt, ...)
vdprintf(fd, fmt, arguments);
va_end(arguments);
close(fd);
- } else
- vprintf(fmt, arguments);
+ } else {
+ fprintf(stderr, "Bummer, can't print: ");
+ va_start(arguments, fmt);
+ vfprintf(stderr, fmt, arguments);
+ fflush(stderr);
+ va_end(arguments);
+ }
}
/* Set terminal settings to reasonable defaults */
@@ -164,6 +170,7 @@ static void set_free_pages()
static void console_init()
{
int fd;
+ struct stat statbuf;
int tried_devcons = 0;
int tried_vtmaster = 0;
char *s;
@@ -174,6 +181,10 @@ static void console_init()
console = CONSOLE;
tried_devcons++;
}
+
+ if ( stat(CONSOLE, &statbuf) && S_ISLNK(statbuf.st_mode)) {
+ fprintf(stderr, "/dev/console does not exist, or is a symlink.\n");
+ }
while ((fd = open(console, O_RDONLY | O_NONBLOCK)) < 0) {
if (!tried_devcons) {
tried_devcons++;
@@ -191,6 +202,7 @@ static void console_init()
console = "/dev/null";
else
close(fd);
+ fprintf(stderr, "console=%s\n", console);
}
static int waitfor(int pid)
@@ -205,6 +217,7 @@ static int waitfor(int pid)
return wpid;
}
+
static int run(const char *command, char *terminal, int get_enter)
{
int f, pid;
@@ -248,13 +261,21 @@ static int run(const char *command, char *terminal, int get_enter)
close(2);
setsid();
- if ((f = device_open(terminal, O_RDWR | O_NOCTTY)) < 0) {
- message(log, "open(%s) failed: %s\n", terminal, strerror(errno));
+#if 1
+ //if ((f = device_open(terminal, O_RDWR | O_NOCTTY)) < 0) {
+ if ((f = device_open(terminal, O_RDWR )) < 0) {
+ message(log, "open(%s) failed: %s\n",
+ terminal, strerror(errno));
return -1;
}
dup(f);
dup(f);
- tcsetpgrp(0, getpgrp());
+#else
+ open(terminal, O_RDWR);
+ dup(0);
+ dup(0);
+ //tcsetpgrp(0, getpgrp());
+#endif
set_term();
if (get_enter) {
@@ -273,11 +294,11 @@ static int run(const char *command, char *terminal, int get_enter)
}
/* Log the process name and args */
- message(console, "Executing ");
- message(console, "'%s'\r\n", command);
+ message(console, "Executing '%s'\r\n", command);
+ message(log, "Executing '%s'\r\n", command);
- /* Now run it. This should take over the PID, so nothing
- * further in init.c should be run by this PID. */
+ /* Now run it. This program should take over this PID,
+ * so nothing further in init.c should be run. */
execvp(args[1], args + 1);
message(console, "Hmm. Trying as a script.\r\n");
@@ -298,6 +319,7 @@ static int run(const char *command, char *terminal, int get_enter)
return pid;
}
+
#ifndef DEBUG_INIT
static void shutdown_system(void)
{
@@ -350,8 +372,8 @@ extern int init_main(int argc, char **argv)
int pid1 = 0;
int pid2 = 0;
struct stat statbuf;
- const char *init_commands = SHELL "-c exec " INITSCRIPT;
- const char *shell_commands = SHELL;
+ const char *init_commands = SHELL " -c exec " INITSCRIPT;
+ const char *shell_commands = SHELL " -";
const char *tty0_commands = init_commands;
const char *tty1_commands = shell_commands;
char *hello_msg_format =
@@ -397,10 +419,11 @@ extern int init_main(int argc, char **argv)
/* Mount /proc */
if (mount("/proc", "/proc", "proc", 0, 0)) {
- message(log, "Mounting /proc: failed!\n");
message(console, "Mounting /proc: failed!\r\n");
+ message(log, "Mounting /proc: failed!\n");
} else {
message(console, "Mounting /proc: done.\r\n");
+ message(log, "Mounting /proc: done.\n");
}
/* Make sure there is enough memory to do something useful */
@@ -430,7 +453,7 @@ extern int init_main(int argc, char **argv)
!strcmp(argv[1], "-s") || !strcmp(argv[1], "1"))) {
run_rc = FALSE;
tty0_commands = shell_commands;
- tty1_commands = 0;
+ tty1_commands = shell_commands;
}
/* Make sure an init script exists before trying to run it */
@@ -447,13 +470,13 @@ extern int init_main(int argc, char **argv)
int status;
if (pid1 == 0 && tty0_commands) {
- pid1 = run(tty0_commands, console, 1);
+ pid1 = run(tty0_commands, first_terminal, 1);
}
if (pid2 == 0 && tty1_commands) {
pid2 = run(tty1_commands, second_terminal, 1);
}
wpid = wait(&status);
- if (wpid > 0 && wpid != pid1) {
+ if (wpid > 0 ) {
message(log, "pid %d exited, status=%x.\n", wpid, status);
}
/* Don't respawn an init script if it exits */