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XLOG (also known as WAL -:)) Bootstrap/Startup/Shutdown.

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First step in cleaning up backend initialization code.
Fix for FATAL: now FATAL is ERROR + exit.
This commit is contained in:
Vadim B. Mikheev
1999-10-06 21:58:18 +00:00
parent 9dcd8c528f
commit 4793740367
20 changed files with 1158 additions and 1015 deletions
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39
src/backend/storage/ipc/ipc.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/ipc/ipc.c,v 1.38 1999/07/17 20:17:43 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/ipc/ipc.c,v 1.39 1999/10/06 21:58:06 vadim Exp $
*
* NOTES
*
@@ -284,18 +284,6 @@ IPCPrivateMemoryKill(int status,
}
}
/****************************************************************************/
/* IpcSemaphoreCreate(semKey, semNum, permission, semStartValue) */
/* */
/* - returns a semaphore identifier: */
/* */
/* if key doesn't exist: return a new id, status:= IpcSemIdNotExist */
/* if key exists: return the old id, status:= IpcSemIdExist */
/* if semNum > MAX : return # of argument, status:=IpcInvalidArgument */
/* */
/****************************************************************************/
/*
* Note:
* XXX This should be split into two different calls. One should
@@ -312,8 +300,7 @@ IpcSemaphoreCreate(IpcSemaphoreKey semKey,
int semNum,
int permission,
int semStartValue,
int removeOnExit,
int *status)
int removeOnExit)
{
int i;
int errStatus;
@@ -321,20 +308,14 @@ IpcSemaphoreCreate(IpcSemaphoreKey semKey,
u_short array[IPC_NMAXSEM];
union semun semun;
/* get a semaphore if non-existent */
/* check arguments */
if (semNum > IPC_NMAXSEM || semNum <= 0)
{
*status = IpcInvalidArgument;
return 2; /* returns the number of the invalid
* argument */
}
return(-1);
semId = semget(semKey, 0, 0);
if (semId == -1)
{
*status = IpcSemIdNotExist; /* there doesn't exist a semaphore */
#ifdef DEBUG_IPC
EPRINTF("calling semget with %d, %d , %d\n",
semKey,
@@ -348,7 +329,7 @@ IpcSemaphoreCreate(IpcSemaphoreKey semKey,
EPRINTF("IpcSemaphoreCreate: semget failed (%s) "
"key=%d, num=%d, permission=%o",
strerror(errno), semKey, semNum, permission);
proc_exit(3);
return(-1);
}
for (i = 0; i < semNum; i++)
array[i] = semStartValue;
@@ -358,22 +339,16 @@ IpcSemaphoreCreate(IpcSemaphoreKey semKey,
{
EPRINTF("IpcSemaphoreCreate: semctl failed (%s) id=%d",
strerror(errno), semId);
semctl(semId, 0, IPC_RMID, semun);
return(-1);
}
if (removeOnExit)
on_shmem_exit(IPCPrivateSemaphoreKill, (caddr_t) semId);
}
else
{
/* there is a semaphore id for this key */
*status = IpcSemIdExist;
}
#ifdef DEBUG_IPC
EPRINTF("\nIpcSemaphoreCreate, status %d, returns %d\n",
*status,
semId);
EPRINTF("\nIpcSemaphoreCreate, returns %d\n", semId);
fflush(stdout);
fflush(stderr);
#endif