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/*
* This file is part of Jehanne.
*
* Copyright (C) 2017 Giacomo Tesio <giacomo@tesio.it>
*
* Jehanne is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 2 of the License.
*
* Jehanne 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 Jehanne. If not, see <http://www.gnu.org/licenses/>.
*/
#include <u.h>
#include <libc.h>
int
jehanne_tsemacquire(int* addr, long ms)
{
long wkup;
wkup = awake(ms);
while(semacquire(addr, 1) < 0){
if(jehanne_awakened(wkup)){
/* copy canlock semantic for return values */
return 0;
}
/* interrupted; try again */
}
jehanne_forgivewkp(wkup);
return 1;
}