05-05-2011
RPC is one possibility.
Perhaps for your case, a simple IPC between your two deamons could do it. In function s, daemon A requests deamon B to execute the function k by sending a message with the needed argument. Daemon B receives the message, executes function k and sends the returned value(s) back to daemon A. And this point, A can then resume.
Are the two daemons located on the same machine? If so, is there some plan to run them possibly on separate machines?
Cheers, Loïc
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LEARN ABOUT OPENSOLARIS
dscfglockd
dscfglockd(1M) System Administration Commands dscfglockd(1M)
NAME
dscfglockd - Availability Suite Services lock daemon
SYNOPSIS
/usr/lib/dscfglockd [-e program | -f file]
DESCRIPTION
The dscfglockd daemon coordinates StorageTek configuration database lock requests between nodes within a cluster.
OPTIONS
The dscfglockd supports the following options:
-e program
Executes the script and arguments in program. The executable and any arguments it needs must be supplied with suitable quoting as a
single argument to this option. This argument is processed by sh(1).
-f file
Reads the list of names for peer hosts from file.
If no arguments are specified, dscfglockd acts as a local lock daemon, but coordinates lock requests with any other daemons that might con-
tact the local host as part of their own configuration process.
EXIT STATUS
0 Daemon started successfully.
>0 Daemon failed to start.
FILES
/lib/svc/method/svc-scm
Shell script for starting and stopping dscfglockd.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWscmr, SUNWscmu |
+-----------------------------+-----------------------------+
|Interface Stability |Evolving |
+-----------------------------+-----------------------------+
SEE ALSO
sh(1), attributes(5)
SunOS 5.11 2 Oct 2007 dscfglockd(1M)