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@ -37,7 +37,7 @@ |
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* |
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* |
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* IDENTIFICATION |
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* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.336 2003/07/23 23:30:40 tgl Exp $ |
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* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.337 2003/07/27 21:49:54 tgl Exp $ |
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* |
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* NOTES |
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* |
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@ -271,7 +271,7 @@ static void CleanupProc(int pid, int exitstatus); |
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static void LogChildExit(int lev, const char *procname, |
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int pid, int exitstatus); |
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static int BackendFork(Port *port); |
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void ExitPostmaster(int status); |
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static void ExitPostmaster(int status); |
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static void usage(const char *); |
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static int ServerLoop(void); |
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static int BackendStartup(Port *port); |
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@ -290,8 +290,7 @@ static void SignalChildren(int signal); |
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static int CountChildren(void); |
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static bool CreateOptsFile(int argc, char *argv[]); |
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static pid_t SSDataBase(int xlop); |
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void |
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postmaster_error(const char *fmt,...) |
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static void postmaster_error(const char *fmt,...) |
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/* This lets gcc check the format string for consistency. */ |
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__attribute__((format(printf, 1, 2))); |
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@ -299,29 +298,21 @@ __attribute__((format(printf, 1, 2))); |
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#define CheckPointDataBase() SSDataBase(BS_XLOG_CHECKPOINT) |
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#define ShutdownDataBase() SSDataBase(BS_XLOG_SHUTDOWN) |
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#ifdef USE_SSL |
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extern int secure_initialize(void); |
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extern void secure_destroy(void); |
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extern int secure_open_server(Port *); |
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extern void secure_close(Port *); |
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#endif /* USE_SSL */ |
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static void |
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checkDataDir(const char *checkdir) |
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{ |
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char path[MAXPGPATH]; |
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FILE *fp; |
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struct stat stat_buf; |
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if (checkdir == NULL) |
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{ |
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fprintf(stderr, gettext( |
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"%s does not know where to find the database system data.\n" |
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"You must specify the directory that contains the database system\n" |
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"either by specifying the -D invocation option or by setting the\n" |
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"PGDATA environment variable.\n\n"), |
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fprintf(stderr, |
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gettext("%s does not know where to find the database system data.\n" |
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"You must specify the directory that contains the database system\n" |
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"either by specifying the -D invocation option or by setting the\n" |
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"PGDATA environment variable.\n"), |
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progname); |
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ExitPostmaster(2); |
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} |
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@ -353,7 +344,7 @@ checkDataDir(const char *checkdir) |
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(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE), |
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errmsg("data directory \"%s\" has group or world access", |
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checkdir), |
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errdetail("permissions should be u=rwx (0700)"))); |
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errdetail("Permissions should be u=rwx (0700)."))); |
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#endif |
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/* Look for PG_VERSION before looking for pg_control */ |
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@ -364,10 +355,10 @@ checkDataDir(const char *checkdir) |
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fp = AllocateFile(path, PG_BINARY_R); |
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if (fp == NULL) |
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{ |
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fprintf(stderr, gettext( |
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"%s does not find the database system.\n" |
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"Expected to find it in the PGDATA directory \"%s\",\n" |
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"but unable to open file \"%s\": %s\n\n"), |
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fprintf(stderr, |
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gettext("%s could not find the database system.\n" |
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"Expected to find it in the PGDATA directory \"%s\",\n" |
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"but failed to open file \"%s\": %s\n"), |
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progname, checkdir, path, strerror(errno)); |
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ExitPostmaster(2); |
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} |
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@ -464,7 +455,7 @@ PostmasterMain(int argc, char *argv[]) |
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#ifdef USE_ASSERT_CHECKING |
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SetConfigOption("debug_assertions", optarg, PGC_POSTMASTER, PGC_S_ARGV); |
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#else |
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postmaster_error("Assert checking is not compiled in."); |
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postmaster_error("assert checking is not compiled in"); |
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#endif |
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break; |
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case 'a': |
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@ -589,7 +580,9 @@ PostmasterMain(int argc, char *argv[]) |
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} |
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default: |
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fprintf(stderr, gettext("Try '%s --help' for more information.\n"), progname); |
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fprintf(stderr, |
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gettext("Try '%s --help' for more information.\n"), |
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progname); |
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ExitPostmaster(1); |
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} |
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} |
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@ -599,8 +592,9 @@ PostmasterMain(int argc, char *argv[]) |
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*/ |
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if (optind < argc) |
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{ |
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postmaster_error("invalid argument -- %s", argv[optind]); |
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fprintf(stderr, gettext("Try '%s --help' for more information.\n"), |
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postmaster_error("invalid argument: \"%s\"", argv[optind]); |
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fprintf(stderr, |
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gettext("Try '%s --help' for more information.\n"), |
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progname); |
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ExitPostmaster(1); |
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} |
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@ -626,13 +620,13 @@ PostmasterMain(int argc, char *argv[]) |
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* for lack of buffers. The specific choices here are somewhat |
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* arbitrary. |
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*/ |
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postmaster_error("The number of buffers (-B) must be at least twice the number of allowed connections (-N) and at least 16."); |
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postmaster_error("the number of buffers (-B) must be at least twice the number of allowed connections (-N) and at least 16"); |
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ExitPostmaster(1); |
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} |
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if (ReservedBackends >= MaxBackends) |
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{ |
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postmaster_error("superuser_reserved_connections must be less than max_connections."); |
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postmaster_error("superuser_reserved_connections must be less than max_connections"); |
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ExitPostmaster(1); |
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} |
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@ -641,7 +635,7 @@ PostmasterMain(int argc, char *argv[]) |
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*/ |
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if (!CheckDateTokenTables()) |
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{ |
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postmaster_error("Invalid datetoken tables, please fix."); |
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postmaster_error("invalid datetoken tables, please fix"); |
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ExitPostmaster(1); |
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} |
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@ -680,8 +674,7 @@ PostmasterMain(int argc, char *argv[]) |
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#ifdef USE_SSL |
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if (EnableSSL && !NetServer) |
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{ |
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postmaster_error("For SSL, TCP/IP connections must be enabled."); |
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fprintf(stderr, gettext("Try '%s --help' for more information.\n"), progname); |
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postmaster_error("for SSL, TCP/IP connections must be enabled"); |
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ExitPostmaster(1); |
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} |
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if (EnableSSL) |
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@ -713,8 +706,7 @@ PostmasterMain(int argc, char *argv[]) |
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* :-(). For the same reason, it's best to grab the TCP socket before |
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* the Unix socket. |
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*/ |
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if (!CreateDataDirLockFile(DataDir, true)) |
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ExitPostmaster(1); |
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CreateDataDirLockFile(DataDir, true); |
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/*
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* Remove old temporary files. At this point there can be no other |
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@ -754,10 +746,9 @@ PostmasterMain(int argc, char *argv[]) |
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UnixSocketDir, |
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ListenSocket, MAXLISTEN); |
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if (status != STATUS_OK) |
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{ |
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postmaster_error("could not create listen socket for \"%s\"", |
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curhost); |
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} |
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ereport(LOG, |
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(errmsg("could not create listen socket for \"%s\"", |
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curhost))); |
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if (endptr) |
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{ |
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*endptr = c; |
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@ -774,9 +765,8 @@ PostmasterMain(int argc, char *argv[]) |
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UnixSocketDir, |
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ListenSocket, MAXLISTEN); |
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if (status != STATUS_OK) |
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{ |
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postmaster_error("could not create TCP/IP listen socket"); |
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} |
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ereport(LOG, |
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(errmsg("could not create TCP/IP listen socket"))); |
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} |
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#ifdef USE_RENDEZVOUS |
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@ -799,10 +789,8 @@ PostmasterMain(int argc, char *argv[]) |
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UnixSocketDir, |
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ListenSocket, MAXLISTEN); |
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if (status != STATUS_OK) |
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{ |
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postmaster_error("could not create UNIX stream port"); |
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ExitPostmaster(1); |
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} |
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ereport(FATAL, |
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(errmsg("could not create UNIX stream port"))); |
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#endif |
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XLOGPathInit(); |
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@ -922,9 +910,9 @@ pmdaemonize(int argc, char *argv[]) |
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pid = fork(); |
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if (pid == (pid_t) -1) |
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{ |
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postmaster_error("fork failed: %s", strerror(errno)); |
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postmaster_error("could not fork background process: %s", |
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strerror(errno)); |
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ExitPostmaster(1); |
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return; /* not reached */ |
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} |
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else if (pid) |
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{ /* parent */ |
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@ -944,7 +932,7 @@ pmdaemonize(int argc, char *argv[]) |
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#ifdef HAVE_SETSID |
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if (setsid() < 0) |
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{ |
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postmaster_error("cannot disassociate from controlling TTY: %s", |
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postmaster_error("could not disassociate from controlling TTY: %s", |
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strerror(errno)); |
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ExitPostmaster(1); |
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} |
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@ -1553,7 +1541,6 @@ ConnCreate(int serverFd) |
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ereport(LOG, |
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(errcode(ERRCODE_OUT_OF_MEMORY), |
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errmsg("out of memory"))); |
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SignalChildren(SIGQUIT); |
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ExitPostmaster(1); |
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} |
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@ -1842,6 +1829,7 @@ reaper(SIGNAL_ARGS) |
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pid, exitstatus); |
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ExitPostmaster(1); |
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} |
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/* Normal postmaster exit is here */ |
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ExitPostmaster(0); |
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} |
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@ -2545,7 +2533,7 @@ BackendFork(Port *port) |
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* |
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* Do NOT call exit() directly --- always go through here! |
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*/ |
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void |
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static void |
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ExitPostmaster(int status) |
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{ |
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/* should cleanup shared memory and kill all backends */ |
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@ -2922,20 +2910,18 @@ static bool |
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CreateOptsFile(int argc, char *argv[]) |
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{ |
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char fullprogname[MAXPGPATH]; |
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char *filename; |
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char filename[MAXPGPATH]; |
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FILE *fp; |
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unsigned i; |
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int i; |
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if (FindExec(fullprogname, argv[0], "postmaster") < 0) |
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return false; |
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filename = palloc(strlen(DataDir) + 17); |
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sprintf(filename, "%s/postmaster.opts", DataDir); |
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snprintf(filename, sizeof(filename), "%s/postmaster.opts", DataDir); |
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if ((fp = fopen(filename, "w")) == NULL) |
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{ |
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postmaster_error("cannot create file \"%s\": %s", |
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filename, strerror(errno)); |
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elog(LOG, "could not create file \"%s\": %m", filename); |
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return false; |
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} |
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@ -2944,9 +2930,10 @@ CreateOptsFile(int argc, char *argv[]) |
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fprintf(fp, " '%s'", argv[i]); |
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fputs("\n", fp); |
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fflush(fp); |
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if (ferror(fp)) |
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{ |
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postmaster_error("writing file %s failed", filename); |
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elog(LOG, "could not write file \"%s\": %m", filename); |
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fclose(fp); |
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return false; |
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} |
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@ -2956,10 +2943,12 @@ CreateOptsFile(int argc, char *argv[]) |
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} |
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/*
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* This should be used only for reporting "interactive" errors (ie, errors |
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* during startup). Once the postmaster is launched, use ereport. |
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* This should be used only for reporting "interactive" errors (essentially, |
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* bogus arguments on the command line). Once the postmaster is launched, |
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* use ereport. In particular, don't use this for anything that occurs |
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* after pmdaemonize. |
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*/ |
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void |
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static void |
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postmaster_error(const char *fmt,...) |
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{ |
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va_list ap; |
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Tom Lane
23 years ago