9ffac85650
With Open MPI 5.0, the decision was made to stop building 3rd-party packages, such as Libevent, HWLOC, PMIx, and PRRTE as MCA components and instead 1) start relying on external libraries whenever possible and 2) Open MPI builds the 3rd party libraries (if needed) as independent libraries, rather than linked into libopen-pal. This patch moves libevent from an MCA framework to a stand-alone library built outside of OPAL. A wrapper in opal/util is provided to minimize the unnecessary changes in the rest of the code. When using the internal Libevent, it will be installed as a stand-alone libevent.a, instead of bundled in OPAL. Any pre-installed version of Libevent at or after 2.0.21 is preferred over the internal version. Signed-off-by: Brian Barrett <bbarrett@amazon.com>
140 строки
4.3 KiB
C
140 строки
4.3 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*-
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*
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* Copyright (c) 2010 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2010 Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2014-2015 Intel, Inc. All rights reserved.
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* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2020 Amazon.com, Inc. or its affiliates. All Rights
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* reserved.
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*
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*/
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#ifndef OPAL_UTIL_EVENT_H
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#define OPAL_UTIL_EVENT_H
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#include "opal_config.h"
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#include <event2/event_struct.h>
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#include <event2/event.h>
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#include <event2/thread.h>
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BEGIN_C_DECLS
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/* set the number of event priority levels */
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#define OPAL_EVENT_NUM_PRI 8
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#define OPAL_EV_ERROR_PRI 0
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#define OPAL_EV_MSG_HI_PRI 1
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#define OPAL_EV_SYS_HI_PRI 2
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#define OPAL_EV_MSG_LO_PRI 3
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#define OPAL_EV_SYS_LO_PRI 4
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#define OPAL_EV_INFO_HI_PRI 5
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#define OPAL_EV_INFO_LO_PRI 6
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#define OPAL_EV_LOWEST_PRI 7
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#define OPAL_EVENT_SIGNAL(ev) opal_event_get_signal(ev)
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#define OPAL_TIMEOUT_DEFAULT {1, 0}
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typedef event_callback_fn opal_event_cbfunc_t;
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BEGIN_C_DECLS
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typedef struct event_base opal_event_base_t;
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typedef struct event opal_event_t;
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OPAL_DECLSPEC extern opal_event_base_t *opal_sync_event_base;
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#define OPAL_EV_TIMEOUT EV_TIMEOUT
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#define OPAL_EV_READ EV_READ
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#define OPAL_EV_WRITE EV_WRITE
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#define OPAL_EV_SIGNAL EV_SIGNAL
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/* Persistent event: won't get removed automatically when activated. */
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#define OPAL_EV_PERSIST EV_PERSIST
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#define OPAL_EVLOOP_ONCE EVLOOP_ONCE /**< Block at most once. */
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#define OPAL_EVLOOP_NONBLOCK EVLOOP_NONBLOCK /**< Do not block. */
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/* Global function to create and release an event base */
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OPAL_DECLSPEC opal_event_base_t* opal_event_base_create(void);
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#define opal_event_base_free(x) event_base_free(x)
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OPAL_DECLSPEC int opal_event_register_params(void);
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OPAL_DECLSPEC int opal_event_init(void);
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OPAL_DECLSPEC int opal_event_finalize(void);
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#define opal_event_reinit(b) event_reinit((b))
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#define opal_event_base_init_common_timeout (b, t) event_base_init_common_timeout((b), (t))
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#define opal_event_base_loopbreak(b) event_base_loopbreak(b)
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#define opal_event_base_loopexit(b) event_base_loopexit(b, NULL)
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/* Event priority APIs */
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#define opal_event_base_priority_init(b, n) event_base_priority_init((b), (n))
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#define opal_event_set_priority(x, n) event_priority_set((x), (n))
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/* thread support APIs */
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#define opal_event_use_threads() evthread_use_pthreads()
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/* Basic event APIs */
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#define opal_event_enable_debug_mode() event_enable_debug_mode()
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#define opal_event_set(b, x, fd, fg, cb, arg) event_assign((x), (b), (fd), (fg), (event_callback_fn) (cb), (arg))
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#define opal_event_assign(x, b, fd, fg, cb, arg) event_assign((x), (b), (fd), (fg), (event_callback_fn) (cb), (arg))
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#define opal_event_add(ev, tv) event_add((ev), (tv))
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#define opal_event_del(ev) event_del((ev))
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#define opal_event_active(x, y, z) event_active((x), (y), (z))
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#define opal_event_new(b, fd, fg, cb, arg) event_new((b), (fd), (fg), (event_callback_fn) (cb), (arg))
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OPAL_DECLSPEC opal_event_t* opal_event_alloc(void);
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#define opal_event_free(x) event_free((x))
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/* Timer APIs */
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#define opal_event_evtimer_new(b, cb, arg) opal_event_new((b), -1, 0, (cb), (arg))
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#define opal_event_evtimer_add(x, tv) opal_event_add((x), (tv))
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#define opal_event_evtimer_set(b, x, cb, arg) event_assign((x), (b), -1, 0, (event_callback_fn) (cb), (arg))
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#define opal_event_evtimer_del(x) opal_event_del((x))
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#define opal_event_evtimer_pending(x, tv) event_pending((x), EV_TIMEOUT, (tv))
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#define opal_event_evtimer_initialized(x) event_initialized((x))
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/* Signal APIs */
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#define opal_event_signal_add(x, tv) event_add((x), (tv))
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#define opal_event_signal_set(b, x, fd, cb, arg) event_assign((x), (b), (fd), EV_SIGNAL|EV_PERSIST, (event_callback_fn) (cb), (arg))
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#define opal_event_signal_del(x) event_del((x))
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#define opal_event_signal_pending(x, tv) event_pending((x), EV_SIGNAL, (tv))
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#define opal_event_signal_initalized(x) event_initialized((x))
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#define opal_event_get_signal(x) event_get_signal((x))
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#define opal_event_loop(b, fg) event_base_loop((b), (fg))
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END_C_DECLS
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#endif /* OPAL_EVENT_H_ */
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