47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/*
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* This file is part of Jehanne.
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*
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* Copyright (C) 2017 Giacomo Tesio <giacomo@tesio.it>
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*
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* This is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, version 3 of the License.
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*
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* Jehanne is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with Jehanne. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <u.h>
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#include <lib9.h>
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#include <posix.h>
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#include "internal.h"
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int
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POSIX_sigsuspend(int *errnop, const PosixSignalMask *mask)
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{
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PosixSignalMask old;
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if(mask == nil){
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*errnop = __libposix_get_errno(PosixEFAULT);
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return -1;
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}
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if(POSIX_sigprocmask(errnop, PosixSPMSetMask, mask, &old) != 0)
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return -1;
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do
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sys_rendezvous((void*)~0, (void*)1);
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while(__libposix_restart_syscall());
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if(POSIX_sigprocmask(errnop, PosixSPMSetMask, &old, nil) != 0)
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return -1;
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*errnop = __libposix_get_errno(PosixEINTR);
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return -1;
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}
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