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update to cinit-0.3pre19

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Signed-off-by: Nico Schottelius <nico@ikn.schottelius.org>
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Nico Schottelius 2009-11-30 07:27:49 +01:00
commit 7c47ae1c48
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software/cinit/browse_source/cinit-0.3pre19/src/ancient/comm.h Normal file
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/***********************************************************************
*
* 2006-2007 Nico Schottelius (nico-cinit (at) schottelius.org)
*
* part of cLinux/cinit
*
* Communication defines
*/
#ifndef CINIT_COMM_HEADER
#define CINIT_COMM_HEADER
#include <limits.h> /* PATH_MAX */
#include <sys/types.h> /* pid_t */
/***********************************************************************
* Commands the clients may issue to us
* maximum number of commands: 2^8 = 256
*/
enum commands {
CMD_MIN='A', /* minimum command number */
CMD_SVC_START, /* the client wants US to start a service */
CMD_SVC_START_ONLY, /* start this service without dependencies */
CMD_SVC_START_NEEDS, /* start this service, needs, but no wants */
CMD_SVC_STOP, /* stop svc and all svcs that need it */
CMD_SVC_STOP_ONLY, /* we should stop _only_ this service */
CMD_SVC_STOP_WANTS, /* stop svc, all svcs that need or want it */
CMD_CHG_STAT, /* the client reports a status change */ /* FIXME: NEEDED? */
CMD_RESCUE, /* we should start the rescue mode */ /* UNIMPLEMENTED */
CMD_HALT, /* halt the system */
CMD_REBOOT, /* reboot the system */
CMD_POWEROFF, /* poweroff the system */
CMD_WBOOT, /* shutdown and restart everything */ /* UNIMPLEMENTED */
CMD_INFO, /* send information about that service */ /* UNIMPLEMENTED */
CMD_MAX , /* maximum command number */
};
/* old
RT_ERR_COMM, * communication failed *
RT_ERR, * service starting failed *
RT_UNSPEC, * some kind of error, unspecified *
RT_SUCCESS, * successfully started: respawning or once *
RT_SVC_FAILED, * tried earlier, service failed, won't retry *
*/
/***********************************************************************
* client issues a command: start_command
*/
struct s_cmd {
char cmd;
pid_t pid;
};
/***********************************************************************
* messages from the client
* Prefix: qst_ (question)
*/
struct msg_client {
pid_t pid; /* pid of the telling client */
char cmd; /* which cmd is issued to us */
char status; /* status of the service */
char svc[PATH_MAX]; /* name of the service */
char svc_orig[PATH_MAX]; /* the service, which wants to start us */
};
/***********************************************************************
* messages from the server
* Prefix: asw_ (answer)
*/
/***********************************************************************
* return short status
*/
struct asw_sstatus {
long mtype;
char status;
char msg[PATH_MAX];
};
#endif