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53 lines
2.5 KiB
C
53 lines
2.5 KiB
C
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//----------------------------------------------------------------------------//
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// GNU GPL OS/K //
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// //
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// Desc: Buffer library //
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// //
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// //
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// Copyright © 2018-2019 The OS/K Team //
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// //
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// This file is part of OS/K. //
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// //
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// OS/K is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 3 of the License, or //
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// any later version. //
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// //
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// OS/K 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 General Public License //
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// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
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//----------------------------------------------------------------------------//
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#include <extras/buf.h>
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#include <extras/locks.h>
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// Straightforward functions
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int BGetFlags(Buffer_t *buf) { return buf->flags; }
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int BGetState(Buffer_t *buf) { return buf->state; }
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void BEnableLineBuffering(Buffer_t *buf)
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{
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assert(buf && !(buf->flags & BF_TERM));
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buf->flags |= BF_LINE;
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}
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void BDisaleLineBuffering(Buffer_t *buf)
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{
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assert(buf && !(buf->flags & BF_TERM));
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buf->flags &= ~BF_LINE;
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}
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void BLockBuf(Buffer_t *buf)
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{
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assert(buf && buf->initDone == INITOK);
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ExAcquireLock(&buf->lock);
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}
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void BUnlockBuf(Buffer_t *buf) { ExReleaseLock(&buf->lock); }
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bool BTrylockBuf(Buffer_t *buf) { return ExAttemptLock(&buf->lock); }
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