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//
// Copyright 2018 Staysail Systems, Inc. <info@staysail.tech>
// Copyright 2018 Capitar IT Group BV <info@capitar.com>
//
// This software is supplied under the terms of the MIT License, a
// copy of which should be located in the distribution where this
// file was obtained (LICENSE.txt). A copy of the license may also be
// found online at https://opensource.org/licenses/MIT.
//
#ifndef NNG_TRANSPORT_IPC_IPC_H
#define NNG_TRANSPORT_IPC_IPC_H
// ipc transport. This is used for inter-process communication on
// the same host computer.
NNG_DECL int nng_ipc_register(void);
// Security Descriptor. This option may only be set on listeners
// on the Windows platform, where the object is a pointer to a
// a Windows SECURITY_DESCRIPTOR.
#define NNG_OPT_IPC_SECURITY_DESCRIPTOR "ipc:security-descriptor"
// Permissions bits. This option is only valid for listeners on
// POSIX platforms and others that honor UNIX style permission bits.
// Note that some platforms may not honor the permissions here, although
// at least Linux and macOS seem to do so. Check before you rely on
// this for security.
#define NNG_OPT_IPC_PERMISSIONS "ipc:permissions"
// Peer UID. This is only available on POSIX style systems.
#define NNG_OPT_IPC_PEER_UID "ipc:peer-uid"
// Peer GID (primary group). This is only available on POSIX style systems.
#define NNG_OPT_IPC_PEER_GID "ipc:peer-gid"
// Peer process ID. Available on Windows, Linux, and SunOS.
// In theory we could obtain this with the first message sent,
// but we have elected not to do this for now. (Nice RFE for a FreeBSD
// guru though.)
#define NNG_OPT_IPC_PEER_PID "ipc:peer-pid"
// Peer Zone ID. Only on SunOS systems. (Linux containers have no
// definable kernel identity; they are a user-land fabrication made up
// from various pieces of different namespaces. FreeBSD does have
// something called JailIDs, but it isn't obvious how to determine this,
// or even if processes can use IPC across jail boundaries.)
#define NNG_OPT_IPC_PEER_ZONEID "ipc:peer-zoneid"
#endif // NNG_TRANSPORT_IPC_IPC_H
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