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Apply Bryan's IPC Patches

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From: Bryan Henderson <bryanh@giraffe.netgate.net>
This commit is contained in:
Marc G. Fournier
1997-11-17 03:47:31 +00:00
parent 930bce33db
commit 9bcf350cc7
2 changed files with 56 additions and 19 deletions
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29
src/backend/utils/init/postinit.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/init/postinit.c,v 1.17 1997/11/10 15:15:40 thomas Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/init/postinit.c,v 1.18 1997/11/17 03:47:31 scrappy Exp $
*
* NOTES
* InitPostgres() is the function called from PostgresMain
@ -281,8 +281,9 @@ InitUserid()
static void
InitCommunication()
{
char *postid;
char *postport;
char *postid; /* value of environment variable */
char *postport; /* value of environment variable */
char *ipc_key; /* value of environemnt variable */
IPCKey key = 0;
/* ----------------
@ -302,10 +303,15 @@ InitCommunication()
Assert(MyBackendTag >= 0);
}
/* ----------------
* try and get the ipc key from POSTPORT
* ----------------
*/
ipc_key = getenv("IPC_KEY");
if (!PointerIsValid(ipc_key)) {
key = -1;
} else {
key = atoi(ipc_key);
Assert(MyBackendTag >= 0);
}
postport = getenv("POSTPORT");
if (PointerIsValid(postport))
@ -315,8 +321,6 @@ InitCommunication()
if (MyBackendTag == -1)
elog(FATAL, "InitCommunication: missing POSTID");
key = SystemPortAddressCreateIPCKey(address);
/*
* Enable this if you are trying to force the backend to run as if
* it is running under the postmaster.
@ -328,8 +332,11 @@ InitCommunication()
* To enable emulation, run the following shell commands (in addition
* to enabling this goto)
*
* % setenv POSTID 1 % setenv POSTPORT 4321 % postmaster & % kill -9
* %1
* % setenv POSTID 1
* % setenv POSTPORT 4321
* % setenv IPC_KEY 4321000
* % postmaster &
* % kill -9 %1
*
* Upon doing this, Postmaster will have allocated the shared memory
* resources that Postgres will attach to if you enable