1 /* 2 * Copyright (c) 2010-2015 Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2010 Oracle and/or its affiliates. All rights reserved. 4 * Copyright (c) 2012-2013 Los Alamos National Security, LLC. 5 * All rights reserved. 6 * Copyright (c) 2015 Intel, Inc. All rights reserved. 7 * Copyright (c) 2017 Research Organization for Information Science 8 * and Technology (RIST). All rights reserved. 9 * $COPYRIGHT$ 10 * 11 * Additional copyrights may follow 12 * 13 * $HEADER$ 14 * 15 * When this component is used, this file is included in the rest of 16 * the OPAL/ORTE/OMPI code base via opal/mca/event/event.h. As such, 17 * this header represents the public interface to this static component. 18 */ 19 20 #ifndef MCA_OPAL_EVENT_LIBEVENT2022_H 21 #define MCA_OPAL_EVENT_LIBEVENT2022_H 22 23 #include "opal_config.h" 24 25 #ifdef HAVE_SYS_TYPES_H 26 #include <sys/types.h> 27 #endif 28 29 #ifdef WIN32 30 #define WIN32_LEAN_AND_MEAN 31 #include <windows.h> 32 #undef WIN32_LEAN_AND_MEAN 33 #endif 34 #ifdef HAVE_SYS_TIME_H 35 #include <sys/time.h> 36 #endif 37 #include <stdio.h> 38 #include <stdlib.h> 39 #ifndef WIN32 40 #ifdef HAVE_UNISTD_H 41 #include <unistd.h> 42 #endif 43 #endif 44 #include <errno.h> 45 #include <signal.h> 46 #include <string.h> 47 #include <assert.h> 48 #include <time.h> 49 50 #include "opal/class/opal_object.h" 51 #include "opal/threads/mutex.h" 52 #include "opal/threads/threads.h" 53 #include "opal/util/output.h" 54 #include "opal/constants.h" 55 #include "opal/util/argv.h" 56 #include "opal/mca/event/base/base.h" 57 58 #include "libevent/event.h" 59 #include "libevent/include/event2/thread.h" 60 61 #include "opal/mca/event/event.h" 62 63 typedef event_callback_fn opal_event_cbfunc_t; 64 65 66 BEGIN_C_DECLS 67 68 typedef struct event_base opal_event_base_t; 69 typedef struct event opal_event_t; 70 71 OPAL_DECLSPEC extern opal_event_base_t *opal_sync_event_base; 72 73 #define OPAL_EV_TIMEOUT EV_TIMEOUT 74 #define OPAL_EV_READ EV_READ 75 #define OPAL_EV_WRITE EV_WRITE 76 #define OPAL_EV_SIGNAL EV_SIGNAL 77 /* Persistent event: won't get removed automatically when activated. */ 78 #define OPAL_EV_PERSIST EV_PERSIST 79 80 #define OPAL_EVLOOP_ONCE EVLOOP_ONCE /**< Block at most once. */ 81 #define OPAL_EVLOOP_NONBLOCK EVLOOP_NONBLOCK /**< Do not block. */ 82 83 /* Global function to create and release an event base */ 84 OPAL_DECLSPEC opal_event_base_t* opal_event_base_create(void); 85 86 #define opal_event_base_free(x) event_base_free(x) 87 88 OPAL_DECLSPEC int opal_event_init(void); 89 90 OPAL_DECLSPEC int opal_event_finalize(void); 91 92 #define opal_event_reinit(b) event_reinit((b)) 93 94 #define opal_event_base_init_common_timeout (b, t) event_base_init_common_timeout((b), (t)) 95 96 #define opal_event_base_loopbreak(b) event_base_loopbreak(b) 97 98 #define opal_event_base_loopexit(b) event_base_loopexit(b, NULL) 99 100 /* Event priority APIs */ 101 #define opal_event_base_priority_init(b, n) event_base_priority_init((b), (n)) 102 103 #define opal_event_set_priority(x, n) event_priority_set((x), (n)) 104 105 /* thread support APIs */ 106 #define opal_event_use_threads() evthread_use_pthreads() 107 108 /* Basic event APIs */ 109 #define opal_event_enable_debug_mode() event_enable_debug_mode() 110 111 #define opal_event_set(b, x, fd, fg, cb, arg) event_assign((x), (b), (fd), (fg), (event_callback_fn) (cb), (arg)) 112 113 #define opal_event_assign(x, b, fd, fg, cb, arg) event_assign((x), (b), (fd), (fg), (event_callback_fn) (cb), (arg)) 114 115 #define opal_event_add(ev, tv) event_add((ev), (tv)) 116 117 #define opal_event_del(ev) event_del((ev)) 118 119 #define opal_event_active(x, y, z) event_active((x), (y), (z)) 120 121 #define opal_event_new(b, fd, fg, cb, arg) event_new((b), (fd), (fg), (event_callback_fn) (cb), (arg)) 122 123 OPAL_DECLSPEC opal_event_t* opal_event_alloc(void); 124 125 #define opal_event_free(x) event_free((x)) 126 127 /* Timer APIs */ 128 #define opal_event_evtimer_new(b, cb, arg) opal_event_new((b), -1, 0, (cb), (arg)) 129 130 #define opal_event_evtimer_add(x, tv) opal_event_add((x), (tv)) 131 132 #define opal_event_evtimer_set(b, x, cb, arg) event_assign((x), (b), -1, 0, (event_callback_fn) (cb), (arg)) 133 134 #define opal_event_evtimer_del(x) opal_event_del((x)) 135 136 #define opal_event_evtimer_pending(x, tv) event_pending((x), EV_TIMEOUT, (tv)) 137 138 #define opal_event_evtimer_initialized(x) event_initialized((x)) 139 140 /* Signal APIs */ 141 #define opal_event_signal_add(x, tv) event_add((x), (tv)) 142 143 #define opal_event_signal_set(b, x, fd, cb, arg) event_assign((x), (b), (fd), EV_SIGNAL|EV_PERSIST, (event_callback_fn) (cb), (arg)) 144 145 #define opal_event_signal_del(x) event_del((x)) 146 147 #define opal_event_signal_pending(x, tv) event_pending((x), EV_SIGNAL, (tv)) 148 149 #define opal_event_signal_initalized(x) event_initialized((x)) 150 151 #define opal_event_get_signal(x) event_get_signal((x)) 152 153 #define opal_event_loop(b, fg) event_base_loop((b), (fg)) 154 155 END_C_DECLS 156 157 #endif /* MCA_OPAL_EVENT_LIBEVENT2022_H */ 158