The Tor Browser: nsprpub/pr/src/md/os2/os2sem.c@4ab42b5ab56c

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 /*

     7  * OS/2-specific semaphore handling code.

     8  *

     9  */

    11 #include "primpl.h"

    14 void

    15 _PR_MD_NEW_SEM(_MDSemaphore *md, PRUintn value)

    16 {

    17    int rv;

    19     /* Our Sems don't support a value > 1 */

    20     PR_ASSERT(value <= 1);

    22     rv = DosCreateEventSem(NULL, &md->sem, 0, 0);

    23     PR_ASSERT(rv == NO_ERROR);

    24 }

    26 void

    27 _PR_MD_DESTROY_SEM(_MDSemaphore *md)

    28 {

    29    int rv;

    30    rv = DosCloseEventSem(md->sem);

    31    PR_ASSERT(rv == NO_ERROR);

    33 }

    35 PRStatus

    36 _PR_MD_TIMED_WAIT_SEM(_MDSemaphore *md, PRIntervalTime ticks)

    37 {

    38     int rv;

    39     rv = DosWaitEventSem(md->sem, PR_IntervalToMilliseconds(ticks));

    41     if (rv == NO_ERROR)

    42         return PR_SUCCESS;

    43     else

    44         return PR_FAILURE;

    45 }

    47 PRStatus

    48 _PR_MD_WAIT_SEM(_MDSemaphore *md)

    49 {

    50     return _PR_MD_TIMED_WAIT_SEM(md, PR_INTERVAL_NO_TIMEOUT);

    51 }

    53 void

    54 _PR_MD_POST_SEM(_MDSemaphore *md)

    55 {

    56    int rv;

    57    rv = DosPostEventSem(md->sem);

    58    PR_ASSERT(rv == NO_ERROR);

    59 }

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