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OK, folks, here is the pgindent output.

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This commit is contained in:
Bruce Momjian
1998-09-01 04:40:42 +00:00
parent af74855a60
commit fa1a8d6a97
574 changed files with 26509 additions and 24033 deletions
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217
src/backend/postmaster/postmaster.c
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@@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.96 1998/09/01 03:24:45 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.97 1998/09/01 04:31:21 momjian Exp $
*
* NOTES
*
@@ -51,7 +51,7 @@
#if !defined(NO_UNISTD_H)
#include <unistd.h>
#endif /* !NO_UNISTD_H */
#endif /* !NO_UNISTD_H */
#include <ctype.h>
#include <sys/types.h> /* for fd_set stuff */
@@ -117,7 +117,7 @@ typedef struct bkend
long cancel_key; /* cancel key for cancels for this backend */
} Backend;
Port *MyBackendPort = NULL;
Port *MyBackendPort = NULL;
/* list of active backends. For garbage collection only now. */
@@ -162,7 +162,7 @@ static IpcMemoryKey ipc_key;
static int NextBackendId = MAXINT; /* XXX why? */
static char *progname = (char *) NULL;
static char **real_argv;
static int real_argc;
static int real_argc;
/*
* Default Values
@@ -184,10 +184,10 @@ static char ExtraOptions[ARGV_SIZE] = "";
* the postmaster stop (rather than kill) peers and not reinitialize
* shared data structures.
*/
static bool Reinit = true;
static bool Reinit = true;
static int SendStop = false;
static bool NetServer = false; /* if not zero, postmaster listen for
static bool NetServer = false; /* if not zero, postmaster listen for
* non-local connections */
@@ -196,10 +196,12 @@ static bool NetServer = false; /* if not zero, postmaster listen for
* alternative interface.
*/
#ifdef HAVE_SIGPROCMASK
static sigset_t oldsigmask,
newsigmask;
static sigset_t oldsigmask,
newsigmask;
#else
static int orgsigmask = sigblock(0);
static int orgsigmask = sigblock(0);
#endif
/*
@@ -214,7 +216,7 @@ extern char *optarg;
extern int optind,
opterr;
/*
* postmaster.c - function prototypes
*/
@@ -225,25 +227,26 @@ static void pmdie(SIGNAL_ARGS);
static void reaper(SIGNAL_ARGS);
static void dumpstatus(SIGNAL_ARGS);
static void CleanupProc(int pid, int exitstatus);
static int DoBackend(Port *port);
static int DoBackend(Port *port);
static void ExitPostmaster(int status);
static void usage(const char *);
static int ServerLoop(void);
static int BackendStartup(Port *port);
static int readStartupPacket(void *arg, PacketLen len, void *pkt);
static int processCancelRequest(Port *port, PacketLen len, void *pkt);
static int initMasks(fd_set *rmask, fd_set *wmask);
static int ServerLoop(void);
static int BackendStartup(Port *port);
static int readStartupPacket(void *arg, PacketLen len, void *pkt);
static int processCancelRequest(Port *port, PacketLen len, void *pkt);
static int initMasks(fd_set *rmask, fd_set *wmask);
static long PostmasterRandom(void);
static void RandomSalt(char *salt);
static void SignalChildren(SIGNAL_ARGS);
#ifdef CYR_RECODE
void GetCharSetByHost(char *, int, char *);
void GetCharSetByHost(char *, int, char *);
#endif
#ifdef USE_ASSERT_CHECKING
int assert_enabled = 1;
int assert_enabled = 1;
#endif
static void
@@ -313,17 +316,17 @@ PostmasterMain(int argc, char *argv[])
bool DataDirOK; /* We have a usable PGDATA value */
char hostbuf[MAXHOSTNAMELEN];
int nonblank_argc;
/*
* We need three params so we can display status. If we don't
* get them from the user, let's make them ourselves.
* We need three params so we can display status. If we don't get
* them from the user, let's make them ourselves.
*/
if (argc < 5)
{
int i;
char *new_argv[6];
int i;
char *new_argv[6];
for (i=0; i < argc; i++)
for (i = 0; i < argc; i++)
new_argv[i] = argv[i];
for (; i < 5; i++)
new_argv[i] = "";
@@ -336,7 +339,7 @@ PostmasterMain(int argc, char *argv[])
exit(1);
}
new_argv[0] = Execfile;
execv(new_argv[0], new_argv);
/* How did we get here, error! */
@@ -344,14 +347,17 @@ PostmasterMain(int argc, char *argv[])
fprintf(stderr, "PostmasterMain execv failed on %s\n", argv[0]);
exit(1);
}
progname = argv[0];
real_argv = argv;
real_argc = argc;
/* don't process any dummy args we placed at the end for status display */
/*
* don't process any dummy args we placed at the end for status
* display
*/
for (nonblank_argc = argc; nonblank_argc > 0; nonblank_argc--)
if (argv[nonblank_argc-1] != NULL && argv[nonblank_argc-1][0] != '\0')
if (argv[nonblank_argc - 1] != NULL && argv[nonblank_argc - 1][0] != '\0')
break;
/*
@@ -371,7 +377,7 @@ PostmasterMain(int argc, char *argv[])
DataDir = getenv("PGDATA"); /* default value */
opterr = 0;
while ((opt = getopt(nonblank_argc, argv,"A:a:B:b:D:dim:Mno:p:Ss")) != EOF)
while ((opt = getopt(nonblank_argc, argv, "A:a:B:b:D:dim:Mno:p:Ss")) != EOF)
{
switch (opt)
{
@@ -379,6 +385,7 @@ PostmasterMain(int argc, char *argv[])
#ifndef USE_ASSERT_CHECKING
fprintf(stderr, "Assert checking is not enabled\n");
#else
/*
* Pass this option also to each backend.
*/
@@ -541,17 +548,17 @@ PostmasterMain(int argc, char *argv[])
* Set up signal handlers for the postmaster process.
*/
pqsignal(SIGHUP, pmdie); /* send SIGHUP, don't die */
pqsignal(SIGINT, pmdie); /* die */
pqsignal(SIGQUIT, pmdie); /* send SIGTERM and die */
pqsignal(SIGTERM, pmdie); /* send SIGTERM,SIGKILL and die */
pqsignal(SIGPIPE, SIG_IGN); /* ignored */
pqsignal(SIGUSR1, pmdie); /* send SIGUSR1 and die */
pqsignal(SIGUSR2, pmdie); /* send SIGUSR2, don't die */
pqsignal(SIGCHLD, reaper); /* handle child termination */
pqsignal(SIGTTIN, SIG_IGN); /* ignored */
pqsignal(SIGTTOU, SIG_IGN); /* ignored */
pqsignal(SIGWINCH, dumpstatus); /* dump port status */
pqsignal(SIGHUP, pmdie); /* send SIGHUP, don't die */
pqsignal(SIGINT, pmdie); /* die */
pqsignal(SIGQUIT, pmdie); /* send SIGTERM and die */
pqsignal(SIGTERM, pmdie); /* send SIGTERM,SIGKILL and die */
pqsignal(SIGPIPE, SIG_IGN); /* ignored */
pqsignal(SIGUSR1, pmdie); /* send SIGUSR1 and die */
pqsignal(SIGUSR2, pmdie); /* send SIGUSR2, don't die */
pqsignal(SIGCHLD, reaper); /* handle child termination */
pqsignal(SIGTTIN, SIG_IGN); /* ignored */
pqsignal(SIGTTOU, SIG_IGN); /* ignored */
pqsignal(SIGWINCH, dumpstatus); /* dump port status */
status = ServerLoop();
@@ -612,7 +619,8 @@ ServerLoop(void)
writemask;
int nSockets;
Dlelem *curr;
struct timeval now, later;
struct timeval now,
later;
struct timezone tz;
gettimeofday(&now, &tz);
@@ -655,18 +663,17 @@ ServerLoop(void)
while (random_seed == 0)
{
gettimeofday(&later, &tz);
/*
* We are not sure how much precision is in tv_usec, so we
* swap the nibbles of 'later' and XOR them with 'now'.
* On the off chance that the result is 0, we loop until
* it isn't.
* We are not sure how much precision is in tv_usec, so we
* swap the nibbles of 'later' and XOR them with 'now'. On the
* off chance that the result is 0, we loop until it isn't.
*/
random_seed = now.tv_usec ^
((later.tv_usec << 16) |
((later.tv_usec >> 16) & 0xffff));
((later.tv_usec << 16) |
((later.tv_usec >> 16) & 0xffff));
}
/*
* [TRH] To avoid race conditions, block SIGCHLD signals while we
* are handling the request. (both reaper() and ConnCreate()
@@ -828,8 +835,9 @@ readStartupPacket(void *arg, PacketLen len, void *pkt)
port = (Port *) arg;
si = (StartupPacket *) pkt;
/* The first field is either a protocol version number or
* a special request code.
/*
* The first field is either a protocol version number or a special
* request code.
*/
port->proto = ntohl(si->protoVersion);
@@ -885,15 +893,15 @@ readStartupPacket(void *arg, PacketLen len, void *pkt)
/*
* The client has sent a cancel request packet, not a normal
* start-a-new-backend packet. Perform the necessary processing.
* start-a-new-backend packet. Perform the necessary processing.
* Note that in any case, we return STATUS_ERROR to close the
* connection immediately. Nothing is sent back to the client.
* connection immediately. Nothing is sent back to the client.
*/
static int
processCancelRequest(Port *port, PacketLen len, void *pkt)
{
CancelRequestPacket *canc = (CancelRequestPacket *) pkt;
CancelRequestPacket *canc = (CancelRequestPacket *) pkt;
int backendPID;
long cancelAuthCode;
Dlelem *curr;
@@ -989,14 +997,15 @@ reset_shared(short port)
static void
pmdie(SIGNAL_ARGS)
{
int i;
int i;
TPRINTF(TRACE_VERBOSE, "pmdie %d", postgres_signal_arg);
/*
* Kill self and/or children processes depending on signal number.
*/
switch (postgres_signal_arg) {
switch (postgres_signal_arg)
{
case SIGHUP:
/* Send SIGHUP to all children (update options flags) */
SignalChildren(SIGHUP);
@@ -1013,15 +1022,14 @@ pmdie(SIGNAL_ARGS)
case SIGTERM:
/* Shutdown all children with SIGTERM and SIGKILL, then die */
SignalChildren(SIGTERM);
for (i=0; i<10; i++) {
if (!DLGetHead(BackendList)) {
for (i = 0; i < 10; i++)
{
if (!DLGetHead(BackendList))
break;
}
sleep(1);
}
if (DLGetHead(BackendList)) {
if (DLGetHead(BackendList))
SignalChildren(SIGKILL);
}
break;
case SIGUSR1:
/* Quick die all children with SIGUSR1 and die */
@@ -1095,10 +1103,10 @@ CleanupProc(int pid,
}
/*
* If a backend dies in an ugly way (i.e.
* exit status not 0) then we must signal all other backends to
* quickdie. If exit status is zero we assume everything is hunky
* dory and simply remove the backend from the active backend list.
* If a backend dies in an ugly way (i.e. exit status not 0) then we
* must signal all other backends to quickdie. If exit status is zero
* we assume everything is hunky dory and simply remove the backend
* from the active backend list.
*/
if (!exitstatus)
{
@@ -1183,9 +1191,9 @@ CleanupProc(int pid,
static void
SignalChildren(int signal)
{
Dlelem *curr,
*next;
Backend *bp;
Dlelem *curr,
*next;
Backend *bp;
int mypid = getpid();
curr = DLGetHead(BackendList);
@@ -1261,10 +1269,9 @@ BackendStartup(Port *port)
#endif
/*
* Compute the cancel key that will be assigned to this backend.
* The backend will have its own copy in the forked-off process'
* value of MyCancelKey, so that it can transmit the key to the
* frontend.
* Compute the cancel key that will be assigned to this backend. The
* backend will have its own copy in the forked-off process' value of
* MyCancelKey, so that it can transmit the key to the frontend.
*/
MyCancelKey = PostmasterRandom();
@@ -1281,21 +1288,22 @@ BackendStartup(Port *port)
fprintf(stderr, "-----------------------------------------\n");
}
/* Flush all stdio channels just before fork,
* to avoid double-output problems.
/*
* Flush all stdio channels just before fork, to avoid double-output
* problems.
*/
fflush(NULL);
if ((pid = fork()) == 0)
{ /* child */
if (DoBackend(port))
if ((pid = fork()) == 0)
{ /* child */
if (DoBackend(port))
{
fprintf(stderr, "%s child[%d]: BackendStartup: backend startup failed\n",
progname, (int) getpid());
exit(1);
fprintf(stderr, "%s child[%d]: BackendStartup: backend startup failed\n",
progname, (int) getpid());
exit(1);
}
else
exit(0);
exit(0);
}
/* in parent */
@@ -1367,9 +1375,9 @@ split_opts(char **argv, int *argcp, char *s)
/*
* DoBackend -- set up the argument list and perform an execv system call
*
* returns:
* Shouldn't return at all.
* If execv() fails, return status.
* returns:
* Shouldn't return at all.
* If execv() fails, return status.
*/
static int
DoBackend(Port *port)
@@ -1390,18 +1398,19 @@ DoBackend(Port *port)
char dbbuf[ARGV_SIZE + 1];
int ac = 0;
int i;
struct timeval now;
struct timezone tz;
struct timeval now;
struct timezone tz;
/*
* Let's clean up ourselves as the postmaster child
* Let's clean up ourselves as the postmaster child
*/
on_exit_reset(); /* we don't want the postmaster's proc_exit() handlers */
on_exit_reset(); /* we don't want the postmaster's
* proc_exit() handlers */
/* ----------------
* register signal handlers.
* Thanks to the postmaster, these are currently blocked.
* Thanks to the postmaster, these are currently blocked.
* ----------------
*/
pqsignal(SIGINT, die);
@@ -1439,26 +1448,26 @@ DoBackend(Port *port)
srandom(now.tv_usec);
/* Now, on to standard postgres stuff */
MyProcPid = getpid();
strncpy(execbuf, Execfile, MAXPATHLEN - 1);
av[ac++] = execbuf;
/*
* We need to set our argv[0] to an absolute path name because
* some OS's use this for dynamic loading, like BSDI. Without it,
* when we change directories to the database dir, the dynamic
* loader can't find the base executable and fails.
* Another advantage is that this changes the 'ps' displayed
* process name on some platforms. It does on BSDI. That's
* a big win.
* We need to set our argv[0] to an absolute path name because some
* OS's use this for dynamic loading, like BSDI. Without it, when we
* change directories to the database dir, the dynamic loader can't
* find the base executable and fails. Another advantage is that this
* changes the 'ps' displayed process name on some platforms. It does
* on BSDI. That's a big win.
*/
#ifndef linux
/*
* This doesn't work on linux and overwrites the only valid
* pointer to the argv buffer. See PS_INIT_STATUS macro.
* This doesn't work on linux and overwrites the only valid pointer to
* the argv buffer. See PS_INIT_STATUS macro.
*/
real_argv[0] = Execfile;
#endif
@@ -1516,7 +1525,7 @@ DoBackend(Port *port)
fprintf(stderr, ")\n");
}
return(PostgresMain(ac, av, real_argc, real_argv));
return (PostgresMain(ac, av, real_argc, real_argv));
}
/*
@@ -1581,8 +1590,8 @@ CharRemap(long int ch)
static void
RandomSalt(char *salt)
{
long rand = PostmasterRandom();
long rand = PostmasterRandom();
*salt = CharRemap(rand % 62);
*(salt + 1) = CharRemap(rand / 62);
}