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Fix code to properly pull out shared memory key now that the

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postmaster.pid file is larger than in previous major versions.
This is a bug introduced when I added lines to the file recently.
This commit is contained in:
Bruce Momjian 2010-12-27 23:11:33 -05:00
parent c0577c92a8
commit bada44a2a2
1 changed files with 22 additions and 17 deletions
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17
src/backend/utils/init/miscinit.c
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@ -825,16 +825,22 @@ CreateLockFile(const char *filename, bool amPostmaster,
*/
if (isDDLock)
{
char *ptr;
char *ptr = NULL;
unsigned long id1,
id2;
int lineno;
ptr = strchr(buffer, '\n');
if (ptr != NULL &&
(ptr = strchr(ptr + 1, '\n')) != NULL)
for (lineno = 1; lineno <= 4; lineno++)
{
if ((ptr = strchr(ptr, '\n')) == NULL)
{
elog(LOG, "bogus data in \"%s\"", DIRECTORY_LOCK_FILE);
break;
}
ptr++;
if (sscanf(ptr, "%lu %lu", &id1, &id2) == 2)
}
if (ptr && sscanf(ptr, "%lu %lu", &id1, &id2) == 2)
{
if (PGSharedMemoryIsInUse(id1, id2))
ereport(FATAL,
@ -849,7 +855,6 @@ CreateLockFile(const char *filename, bool amPostmaster,
filename)));
}
}
}
/*
* Looks like nobody's home. Unlink the file and try again to create