mirror of
https://github.com/hermitcore/libhermit.git
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122 lines
3.5 KiB
C
122 lines
3.5 KiB
C
/*
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* Copyright (c) 2009 Intel Corporation. All rights reserved.
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* Copyright (c) 2013 Mellanox Technologies LTD. All rights reserved.
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*
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* This software is available to you under the OpenFabrics.org BSD license
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* below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AWV
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#if !defined(OSD_H)
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#define OSD_H
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#include <config.h>
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#include <endian.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <errno.h>
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#include <pthread.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <malloc.h>
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#include <sys/time.h>
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#include <ccan/minmax.h>
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#define ACM_ADDR_FILE "ibacm_addr.cfg"
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#define ACM_OPTS_FILE "ibacm_opts.cfg"
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#if DEFINE_ATOMICS
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typedef struct { pthread_mutex_t mut; int val; } atomic_t;
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static inline int atomic_inc(atomic_t *atomic)
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{
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int v;
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pthread_mutex_lock(&atomic->mut);
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v = ++(atomic->val);
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pthread_mutex_unlock(&atomic->mut);
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return v;
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}
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static inline int atomic_dec(atomic_t *atomic)
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{
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int v;
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pthread_mutex_lock(&atomic->mut);
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v = --(atomic->val);
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pthread_mutex_unlock(&atomic->mut);
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return v;
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}
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static inline void atomic_init(atomic_t *atomic)
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{
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pthread_mutex_init(&atomic->mut, NULL);
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atomic->val = 0;
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}
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#else
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typedef struct { volatile int val; } atomic_t;
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#define atomic_inc(v) (__sync_add_and_fetch(&(v)->val, 1))
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#define atomic_dec(v) (__sync_sub_and_fetch(&(v)->val, 1))
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#define atomic_init(v) ((v)->val = 0)
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#endif
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#define atomic_get(v) ((v)->val)
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#define atomic_set(v, s) ((v)->val = s)
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typedef struct { pthread_cond_t cond; pthread_mutex_t mutex; } event_t;
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static inline void event_init(event_t *e)
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{
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pthread_cond_init(&e->cond, NULL);
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pthread_mutex_init(&e->mutex, NULL);
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}
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#define event_signal(e) pthread_cond_signal(&(e)->cond)
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static inline int event_wait(event_t *e, int timeout)
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{
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struct timeval curtime;
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struct timespec wait;
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int ret;
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gettimeofday(&curtime, NULL);
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wait.tv_sec = curtime.tv_sec + ((unsigned) timeout) / 1000;
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wait.tv_nsec = (curtime.tv_usec + (((unsigned) timeout) % 1000) * 1000) * 1000;
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pthread_mutex_lock(&e->mutex);
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ret = pthread_cond_timedwait(&e->cond, &e->mutex, &wait);
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pthread_mutex_unlock(&e->mutex);
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return ret;
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}
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static inline uint64_t time_stamp_us(void)
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{
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struct timeval curtime;
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timerclear(&curtime);
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gettimeofday(&curtime, NULL);
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return (uint64_t) curtime.tv_sec * 1000000 + (uint64_t) curtime.tv_usec;
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}
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#define time_stamp_ms() (time_stamp_us() / (uint64_t) 1000)
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#define time_stamp_sec() (time_stamp_ms() / (uint64_t) 1000)
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#define time_stamp_min() (time_stamp_sec() / (uint64_t) 60)
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#endif /* OSD_H */
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