diff options
Diffstat (limited to 'init.c')
| -rw-r--r-- | init.c | 24 |
1 files changed, 22 insertions, 2 deletions
@@ -45,7 +45,7 @@ #include <sys/reboot.h> #include <sys/sysinfo.h> /* For check_free_memory() */ #ifdef BB_SYSLOGD -#include <sys/syslog.h> +# include <sys/syslog.h> #endif #include <sys/sysmacros.h> #include <sys/types.h> @@ -54,6 +54,15 @@ #include <termios.h> #include <unistd.h> + +/* + * When CORE_ENABLE_FLAG_FILE exists, setrlimit is called before + * process is spawned to set corelimit to unlimited. + */ +#define CORE_ENABLE_FLAG_FILE "/.init_enable_core" +#include <sys/resource.h> +#include <sys/time.h> + #ifndef KERNEL_VERSION #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) #endif @@ -406,6 +415,16 @@ static pid_t run(char *command, char *terminal, int get_enter) cmd[i] = NULL; } + { + struct stat sb; + if (stat (CORE_ENABLE_FLAG_FILE, &sb) == 0) { + struct rlimit limit; + limit.rlim_cur = RLIM_INFINITY; + limit.rlim_max = RLIM_INFINITY; + setrlimit(RLIMIT_CORE, &limit); + } + } + /* Now run it. The new program will take over this PID, * so nothing further in init.c should be run. */ execve(cmd[0], cmd, environment); @@ -836,6 +855,7 @@ extern int init_main(int argc, char **argv) close(1); close(2); set_term(0); + chdir("/"); setsid(); /* Make sure PATH is set to something sane */ @@ -881,7 +901,7 @@ extern int init_main(int argc, char **argv) * of "askfirst" shells */ parse_inittab(); } - + /* Fix up argv[0] to be certain we claim to be init */ strncpy(argv[0], "init", strlen(argv[0])+1); if (argc > 1) |