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import cinit from unix.schottelius.org

Browse source 
Signed-off-by: Nico Schottelius <nico@ikn.schottelius.org>
This commit is contained in:
Nico Schottelius 2009-09-16 12:53:45 +02:00
commit 423ba10303
13396 changed files with 269468 additions and 0 deletions
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software/cinit/browse_source/cinit-0.0.4/cinit.h Normal file
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/*
* cinit
* (c) 2005 Nico Schottelius (nico-linux at schottelius.org)
* header of cinit
*/
/* includes */
#include <sys/types.h> /* pid_t */
#include "config.h" /* paths, socket options, etc. */
/* limits: will be obsolete in cinit-1.0 */
#define MAX_SVC 510 /* maximum services - defines size of array - may later be obsoleted */
#define MAX_DEPS 32 /* maximum direct dependencies of a service */
#define BUFSIZE 4096
/* paths */
#define C_ONARG C_ON C_PARAMS
#define C_OFFARG C_OFF C_PARAMS
#define C_ONENV C_ON C_ENV
#define C_OFFENV C_OFF C_ENV
#define SLASH "/"
#define CINIT_INIT CINIT_DIR SLASH C_INIT
#define CINIT_TMNT CINIT_DIR SLASH C_TMP
#define CINIT_SOCK CINIT_TMNT SLASH C_SOCK
/* commands (maximum: 2^8 = 256)*/
#define CMD_START_SVC 0
#define CMD_CHG_STATUS 1
#define CMD_STOP_SVC 2
#define CMD_KILL_SVC 3
#define CMD_RESCUE 251
#define CMD_INIT 252
#define CMD_HALT 253
#define CMD_REBOOT 254
#define CMD_POWEROFF 255
/* status of a service */
#define ST_TMP 1 /* currently working on it */
#define ST_ONCE 2 /* executed once */
#define ST_RESPAWN 3 /* running and respawning */
#define ST_FAIL 4 /* failed to start service */
/* actions for i/o handlers (see comm/do_*) */
#define ACT_SERV 0
#define ACT_CLIENT 1
/* Messages to the outside */
#define MSG_ERR_FORK "fork"
#define MSG_ERR_EXECVE "execve"
#define MSG_ERR_ALLOC "memory allocation"
#define MSG_ERR_UMOUNT "umount"
#define MSG_TERMKILL "sigterm"
#define MSG_KILLBILL "sigkill"
/* array of svc - not needed anymore
struct svc {
char *abs_path; * service identifier *
char status; * tmp, respawn, ran once *
pid_t pid; * pid of the process *
};
struct svcl {
struct svc svca[MAX_SVC];
int process;
};
*/
// extern struct svcl svc_list;
struct listitem {
char *abs_path;
int status;
pid_t pid;
struct listitem *before;
struct listitem *after;
};
/* variables */
extern struct listitem *list;
extern int sock, logfd;
/* functions (used by server and client) */
void cerr(char *string, int status);
int run_svc(char *rpath);
void mini_printf(char *str, int fd);
void set_signals(int action);
#define LOG(s) mini_printf(s,logfd)
int do_start_svc(int sock2, char *svc, int action);
int do_change_status(char *svc, char *status, pid_t *pid, int sock2, int action);
char do_result(int sock2, char *value);
/* server functions */
/* int chk_svc(char *svc);
int add_mod_svc(char *svc, char status, pid_t pid); */
int list_insert(char *path, int status);
struct listitem *list_search(char *path);
int list_delete(char *path);
int run_init_svc(void);
void sigio(int signal);
void sig_reboot(int signal);
void panic(void);
/* client / message functions */
int msg_start_svc(char *svc);
int msg_change_status(char *svc, char status, pid_t pid);
int begin_msg(char cmd);
/* client functions */
int run_run_svcs(char *abspath);
pid_t exec_svc(char *abspath, int on);
pid_t respawn_svc(char *abspath);
int connect_sock(int socke);
char **read_file(char *file);
/* DEBUG */
#ifdef DEBUG
# define D_PRINTF(x) ( printf("[%s:%d]: %s\n",__FILE__,__LINE__,x) )
#else
# define D_PRINTF(x) if(0)
#endif
/* Messages to the outside */