Current Path : /usr/local/include/postgresql/server/storage/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/local/include/postgresql/server/storage/pmsignal.h |
/*------------------------------------------------------------------------- * * pmsignal.h * routines for signaling the postmaster from its child processes * * * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * $PostgreSQL: pgsql/src/include/storage/pmsignal.h,v 1.19 2008/01/01 19:45:59 momjian Exp $ * *------------------------------------------------------------------------- */ #ifndef PMSIGNAL_H #define PMSIGNAL_H /* * Reasons for signaling the postmaster. We can cope with simultaneous * signals for different reasons. If the same reason is signaled multiple * times in quick succession, however, the postmaster is likely to observe * only one notification of it. This is okay for the present uses. */ typedef enum { PMSIGNAL_PASSWORD_CHANGE, /* pg_auth file has changed */ PMSIGNAL_WAKEN_CHILDREN, /* send a SIGUSR1 signal to all backends */ PMSIGNAL_WAKEN_ARCHIVER, /* send a NOTIFY signal to xlog archiver */ PMSIGNAL_ROTATE_LOGFILE, /* send SIGUSR1 to syslogger to rotate logfile */ PMSIGNAL_START_AUTOVAC_LAUNCHER, /* start an autovacuum launcher */ PMSIGNAL_START_AUTOVAC_WORKER, /* start an autovacuum worker */ NUM_PMSIGNALS /* Must be last value of enum! */ } PMSignalReason; /* * prototypes for functions in pmsignal.c */ extern void PMSignalInit(void); extern void SendPostmasterSignal(PMSignalReason reason); extern bool CheckPostmasterSignal(PMSignalReason reason); extern bool PostmasterIsAlive(bool amDirectChild); #endif /* PMSIGNAL_H */