*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.105 1999/05/25 16:10:40 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.106 1999/06/04 21:14:46 tgl Exp $
*
* NOTES
*
* means we have to start each backend with a -B # to make
* sure they know how many buffers were allocated.
*/
- NBuffers = atol(optarg);
+ NBuffers = atoi(optarg);
strcat(ExtraOptions, " -B ");
strcat(ExtraOptions, optarg);
break;
break;
}
}
+
+ /*
+ * Select default values for switches where needed
+ */
if (PostPortName == -1)
PostPortName = pq_getport();
+ /*
+ * Check for invalid combinations of switches
+ */
+ if (NBuffers < 2 * MaxBackends || NBuffers < 16)
+ {
+ /* Do not accept -B so small that backends are likely to starve for
+ * lack of buffers. The specific choices here are somewhat arbitrary.
+ */
+ fprintf(stderr, "%s: -B must be at least twice -N and at least 16.\n",
+ progname);
+ exit(1);
+ }
+
checkDataDir(DataDir, &DataDirOK); /* issues error messages */
if (!DataDirOK)
{