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mirror of https://github.com/postgres/postgres.git synced 2025-07-11 10:01:57 +03:00

pgindent run over code.

This commit is contained in:
Bruce Momjian
1999-05-25 16:15:34 +00:00
parent 4b04b01aaa
commit 07842084fe
413 changed files with 11723 additions and 10769 deletions

View File

@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.55 1999/05/13 15:55:44 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.56 1999/05/25 16:11:23 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -46,7 +46,7 @@
* This is so that we can support more backends. (system-wide semaphore
* sets run out pretty fast.) -ay 4/95
*
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.55 1999/05/13 15:55:44 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.56 1999/05/25 16:11:23 momjian Exp $
*/
#include <sys/time.h>
#include <unistd.h>
@ -150,18 +150,20 @@ InitProcGlobal(IPCKey key, int maxBackends)
for (i = 0; i < MAX_PROC_SEMS / PROC_NSEMS_PER_SET; i++)
ProcGlobal->freeSemMap[i] = 0;
/* Arrange to delete semas on exit --- set this up now so that
* we will clean up if pre-allocation fails...
/*
* Arrange to delete semas on exit --- set this up now so that we
* will clean up if pre-allocation fails...
*/
on_shmem_exit(ProcFreeAllSemaphores, NULL);
/* Pre-create the semaphores for the first maxBackends processes,
/*
* Pre-create the semaphores for the first maxBackends processes,
* unless we are running as a standalone backend.
*/
if (key != PrivateIPCKey)
{
for (i = 0;
i < (maxBackends+PROC_NSEMS_PER_SET-1) / PROC_NSEMS_PER_SET;
i < (maxBackends + PROC_NSEMS_PER_SET - 1) / PROC_NSEMS_PER_SET;
i++)
{
IPCKey semKey = ProcGlobal->currKey + i;
@ -266,10 +268,11 @@ InitProcess(IPCKey key)
ProcGetNewSemKeyAndNum(&semKey, &semNum);
/* Note: because of the pre-allocation done in InitProcGlobal,
* this call should always attach to an existing semaphore.
* It will (try to) create a new group of semaphores only if
* the postmaster tries to start more backends than it said it would.
/*
* Note: because of the pre-allocation done in InitProcGlobal,
* this call should always attach to an existing semaphore. It
* will (try to) create a new group of semaphores only if the
* postmaster tries to start more backends than it said it would.
*/
semId = IpcSemaphoreCreate(semKey,
PROC_NSEMS_PER_SET,
@ -489,7 +492,7 @@ ProcQueueInit(PROC_QUEUE *queue)
*/
int
ProcSleep(PROC_QUEUE *waitQueue,/* lock->waitProcs */
LOCKMETHODCTL *lockctl,
LOCKMETHODCTL * lockctl,
int token, /* lockmode */
LOCK *lock)
{
@ -534,23 +537,22 @@ ProcSleep(PROC_QUEUE *waitQueue,/* lock->waitProcs */
}
/* if he waits for me */
else if (lockctl->conflictTab[proc->token] & MyProc->holdLock)
{
break;
}
/* if conflicting locks requested */
else if (lockctl->conflictTab[proc->token] & myMask)
{
/*
* If I request non self-conflicting lock and there
* are others requesting the same lock just before me -
* stay here.
* If I request non self-conflicting lock and there are others
* requesting the same lock just before me - stay here.
*/
if (!selfConflict && prevSame)
break;
}
/*
* Last attempt to don't move any more: if we don't conflict
* with rest waiters in queue.
* Last attempt to don't move any more: if we don't conflict with
* rest waiters in queue.
*/
else if (!(lockctl->conflictTab[token] & waitMask))
break;
@ -558,7 +560,7 @@ ProcSleep(PROC_QUEUE *waitQueue,/* lock->waitProcs */
prevSame = (proc->token == token);
(aheadHolders[proc->token])++;
if (aheadHolders[proc->token] == lock->holders[proc->token])
waitMask &= ~ (1 << proc->token);
waitMask &= ~(1 << proc->token);
proc = (PROC *) MAKE_PTR(proc->links.prev);
}
@ -885,7 +887,7 @@ ProcGetNewSemKeyAndNum(IPCKey *key, int *semNum)
{
int i;
int32 *freeSemMap = ProcGlobal->freeSemMap;
int32 fullmask = (1 << (PROC_NSEMS_PER_SET+1)) - 1;
int32 fullmask = (1 << (PROC_NSEMS_PER_SET + 1)) - 1;
/*
* we hold ProcStructLock when entering this routine. We scan through
@ -906,8 +908,8 @@ ProcGetNewSemKeyAndNum(IPCKey *key, int *semNum)
{
/*
* a free semaphore found. Mark it as allocated.
* Also set the bit indicating whole set is allocated.
* a free semaphore found. Mark it as allocated. Also set
* the bit indicating whole set is allocated.
*/
freeSemMap[i] |= mask + (1 << PROC_NSEMS_PER_SET);
@ -938,9 +940,10 @@ ProcFreeSem(IpcSemaphoreKey semKey, int semNum)
mask = ~(1 << semNum);
freeSemMap[i] &= mask;
/* Formerly we'd release a semaphore set if it was now completely unused,
* but now we keep the semaphores to ensure we won't run out when
* starting new backends --- cf. InitProcGlobal. Note that the
/*
* Formerly we'd release a semaphore set if it was now completely
* unused, but now we keep the semaphores to ensure we won't run out
* when starting new backends --- cf. InitProcGlobal. Note that the
* PROC_NSEMS_PER_SET+1'st bit of the freeSemMap entry remains set to
* indicate it is still allocated; ProcFreeAllSemaphores() needs that.
*/