diff options
| -rw-r--r-- | src/backend/postmaster/postmaster.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/src/backend/postmaster/postmaster.c b/src/backend/postmaster/postmaster.c index 46e224385ba..7a88385e491 100644 --- a/src/backend/postmaster/postmaster.c +++ b/src/backend/postmaster/postmaster.c @@ -10,7 +10,7 @@ * * * 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 * @@ -427,7 +427,7 @@ PostmasterMain(int argc, char *argv[]) * 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; @@ -530,9 +530,26 @@ PostmasterMain(int argc, char *argv[]) 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) { |