diff options
| -rw-r--r-- | init/init.c | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/init/init.c b/init/init.c index 8337593..4d63551 100644 --- a/init/init.c +++ b/init/init.c @@ -73,6 +73,10 @@ //config: bool "Enable init to write to syslog" //config: default y //config: depends on INIT || LINUXRC +//config: help +//config: If selected, some init messages are sent to syslog. +//config: Otherwise, they are sent to VT #5 if linux virtual tty is detected +//config: (if not, no separate logging is done). //config: //config:config FEATURE_INIT_QUIET //config: bool "Be quiet on boot (no 'init started:' message)" @@ -212,7 +216,9 @@ struct init_action { static struct init_action *init_action_list = NULL; +#if !ENABLE_FEATURE_INIT_SYSLOG static const char *log_console = VC_5; +#endif enum { L_LOG = 0x1, @@ -251,17 +257,16 @@ static void message(int where, const char *fmt, ...) msg[l++] = '\n'; msg[l] = '\0'; #else - { - static int log_fd = -1; - - msg[l++] = '\n'; - msg[l] = '\0'; + msg[l++] = '\n'; + msg[l] = '\0'; + if (where & L_LOG) { /* Take full control of the log tty, and never close it. * It's mine, all mine! Muhahahaha! */ + static int log_fd = -1; + if (log_fd < 0) { - if (!log_console) { - log_fd = STDERR_FILENO; - } else { + log_fd = STDERR_FILENO; + if (log_console) { log_fd = device_open(log_console, O_WRONLY | O_NONBLOCK | O_NOCTTY); if (log_fd < 0) { bb_error_msg("can't log to %s", log_console); @@ -271,11 +276,9 @@ static void message(int where, const char *fmt, ...) } } } - if (where & L_LOG) { - full_write(log_fd, msg, l); - if (log_fd == STDERR_FILENO) - return; /* don't print dup messages */ - } + full_write(log_fd, msg, l); + if (log_fd == STDERR_FILENO) + return; /* don't print dup messages */ } #endif @@ -325,8 +328,9 @@ static void console_init(void) * if TERM is set to linux (the default) */ if (!s || strcmp(s, "linux") == 0) putenv((char*)"TERM=vt102"); - if (!ENABLE_FEATURE_INIT_SYSLOG) - log_console = NULL; +# if !ENABLE_FEATURE_INIT_SYSLOG + log_console = NULL; +# endif } else #endif if (!s) @@ -541,8 +545,8 @@ static pid_t run(const struct init_action *a) } /* Log the process name and args */ - message(L_LOG, "starting pid %d, tty '%s': '%s'", - getpid(), a->terminal, a->command); + message(L_LOG, "starting pid %u, tty '%s': '%s'", + (int)getpid(), a->terminal, a->command); /* Now run it. The new program will take over this PID, * so nothing further in init.c should be run. */ @@ -757,7 +761,7 @@ static void run_shutdown_and_kill_processes(void) /* Send signals to every process _except_ pid 1 */ kill(-1, SIGTERM); - message(L_CONSOLE | L_LOG, "Sent SIG%s to all processes", "TERM"); + message(L_CONSOLE, "Sent SIG%s to all processes", "TERM"); sync(); sleep(1); |