cjdns/util/events/libuv/Glock.c

/* vim: set expandtab ts=4 sw=4: */
/*
 * You may redistribute this program and/or modify it under the terms of
 * the GNU General Public License as published by the Free Software Foundation,
 * either version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#include "util/events/libuv/Glock.h"
#include "rust/cjdns_sys/Rffi.h"
#include "util/Assert.h"

static void* glock = NULL;

void Glock_init() {
    if (glock == NULL) {
        glock = Rffi_glock();
    }
}

void Glock_beginBlockingCall() {
    Assert_true(glock != NULL);
    Rffi_gunlock(glock);
    glock = NULL;
}

void Glock_endBlockingCall() {
    Assert_true(glock == NULL);
    glock = Rffi_glock();
}