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Dir : ~/usr/local/src/netdata/src/libnetdata/completion/

View File Name : completion.c

// SPDX-License-Identifier: GPL-3.0-or-later

#include "completion.h"

void completion_init(struct completion *p)
{
    p->completed = 0;
    p->completed_jobs = 0;
    fatal_assert(0 == uv_cond_init(&p->cond));
    fatal_assert(0 == uv_mutex_init(&p->mutex));
}

void completion_destroy(struct completion *p)
{
    uv_cond_destroy(&p->cond);
    uv_mutex_destroy(&p->mutex);
}

void completion_wait_for(struct completion *p)
{
    uv_mutex_lock(&p->mutex);
    while (0 == p->completed) {
        uv_cond_wait(&p->cond, &p->mutex);
    }
    fatal_assert(1 == p->completed);
    uv_mutex_unlock(&p->mutex);
}

void completion_mark_complete(struct completion *p)
{
    uv_mutex_lock(&p->mutex);
    p->completed = 1;
    uv_cond_broadcast(&p->cond);
    uv_mutex_unlock(&p->mutex);
}

unsigned completion_wait_for_a_job(struct completion *p, unsigned completed_jobs)
{
    uv_mutex_lock(&p->mutex);
    while (0 == p->completed && p->completed_jobs <= completed_jobs) {
        uv_cond_wait(&p->cond, &p->mutex);
    }
    completed_jobs = p->completed_jobs;
    uv_mutex_unlock(&p->mutex);

    return completed_jobs;
}

void completion_mark_complete_a_job(struct completion *p)
{
    uv_mutex_lock(&p->mutex);
    p->completed_jobs++;
    uv_cond_broadcast(&p->cond);
    uv_mutex_unlock(&p->mutex);
}

bool completion_is_done(struct completion *p)
{
    bool ret;
    uv_mutex_lock(&p->mutex);
    ret = p->completed;
    uv_mutex_unlock(&p->mutex);
    return ret;
}