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pgindent run.

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This commit is contained in:
Bruce Momjian
2002-09-04 20:31:48 +00:00
parent c91ceec21d
commit e50f52a074
446 changed files with 14942 additions and 13363 deletions
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30
src/backend/port/sysv_sema.c
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@@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/port/sysv_sema.c,v 1.3 2002/09/02 02:47:03 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/port/sysv_sema.c,v 1.4 2002/09/04 20:31:24 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -58,19 +58,20 @@ typedef int IpcSemaphoreId; /* semaphore ID returned by semget(2) */
#define PGSemaMagic 537 /* must be less than SEMVMX */
static IpcSemaphoreId *mySemaSets; /* IDs of sema sets acquired so far */
static IpcSemaphoreId *mySemaSets; /* IDs of sema sets acquired so
* far */
static int numSemaSets; /* number of sema sets acquired so far */
static int maxSemaSets; /* allocated size of mySemaSets array */
static IpcSemaphoreKey nextSemaKey; /* next key to try using */
static IpcSemaphoreKey nextSemaKey; /* next key to try using */
static int nextSemaNumber; /* next free sem num in last sema set */
static IpcSemaphoreId InternalIpcSemaphoreCreate(IpcSemaphoreKey semKey,
int numSems);
int numSems);
static void IpcSemaphoreInitialize(IpcSemaphoreId semId, int semNum,
int value);
int value);
static void IpcSemaphoreKill(IpcSemaphoreId semId);
static int IpcSemaphoreGetValue(IpcSemaphoreId semId, int semNum);
static int IpcSemaphoreGetValue(IpcSemaphoreId semId, int semNum);
static pid_t IpcSemaphoreGetLastPID(IpcSemaphoreId semId, int semNum);
static IpcSemaphoreId IpcSemaphoreCreate(int numSems);
static void ReleaseSemaphores(int status, Datum arg);
@@ -113,7 +114,7 @@ InternalIpcSemaphoreCreate(IpcSemaphoreKey semKey, int numSems)
* Else complain and abort
*/
fprintf(stderr, "IpcSemaphoreCreate: semget(key=%d, num=%d, 0%o) failed: %s\n",
(int) semKey, numSems, (IPC_CREAT | IPC_EXCL | IPCProtection),
(int) semKey, numSems, (IPC_CREAT | IPC_EXCL | IPCProtection),
strerror(errno));
if (errno == ENOSPC)
@@ -154,7 +155,7 @@ IpcSemaphoreInitialize(IpcSemaphoreId semId, int semNum, int value)
if (errno == ERANGE)
fprintf(stderr,
"You possibly need to raise your kernel's SEMVMX value to be at least\n"
"%d. Look into the PostgreSQL documentation for details.\n",
"%d. Look into the PostgreSQL documentation for details.\n",
value);
proc_exit(1);
@@ -221,7 +222,7 @@ IpcSemaphoreCreate(int numSems)
PGSemaphoreData mysema;
/* Loop till we find a free IPC key */
for (nextSemaKey++; ; nextSemaKey++)
for (nextSemaKey++;; nextSemaKey++)
{
pid_t creatorPID;
@@ -296,12 +297,12 @@ IpcSemaphoreCreate(int numSems)
*
* This is called during postmaster start or shared memory reinitialization.
* It should do whatever is needed to be able to support up to maxSemas
* subsequent PGSemaphoreCreate calls. Also, if any system resources
* subsequent PGSemaphoreCreate calls. Also, if any system resources
* are acquired here or in PGSemaphoreCreate, register an on_shmem_exit
* callback to release them.
*
* The port number is passed for possible use as a key (for SysV, we use
* it to generate the starting semaphore key). In a standalone backend,
* it to generate the starting semaphore key). In a standalone backend,
* zero will be passed.
*
* In the SysV implementation, we acquire semaphore sets on-demand; the
@@ -311,14 +312,15 @@ IpcSemaphoreCreate(int numSems)
void
PGReserveSemaphores(int maxSemas, int port)
{
maxSemaSets = (maxSemas + SEMAS_PER_SET-1) / SEMAS_PER_SET;
maxSemaSets = (maxSemas + SEMAS_PER_SET - 1) / SEMAS_PER_SET;
mySemaSets = (IpcSemaphoreId *)
malloc(maxSemaSets * sizeof(IpcSemaphoreId));
if (mySemaSets == NULL)
elog(PANIC, "Out of memory in PGReserveSemaphores");
numSemaSets = 0;
nextSemaKey = port * 1000;
nextSemaNumber = SEMAS_PER_SET; /* force sema set alloc on 1st call */
nextSemaNumber = SEMAS_PER_SET; /* force sema set alloc on 1st
* call */
on_shmem_exit(ReleaseSemaphores, 0);
}
@@ -359,7 +361,7 @@ PGSemaphoreCreate(PGSemaphore sema)
nextSemaNumber = 0;
}
/* Assign the next free semaphore in the current set */
sema->semId = mySemaSets[numSemaSets-1];
sema->semId = mySemaSets[numSemaSets - 1];
sema->semNum = nextSemaNumber++;
/* Initialize it to count 1 */
IpcSemaphoreInitialize(sema->semId, sema->semNum, 1);