diff options
Diffstat (limited to 'nsprpub/pr/src/md/windows/ntsem.c')
-rw-r--r-- | nsprpub/pr/src/md/windows/ntsem.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/nsprpub/pr/src/md/windows/ntsem.c b/nsprpub/pr/src/md/windows/ntsem.c new file mode 100644 index 000000000..f36a145a9 --- /dev/null +++ b/nsprpub/pr/src/md/windows/ntsem.c @@ -0,0 +1,50 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * NT-specific semaphore handling code. + * + */ + + +#include "primpl.h" + + +void +_PR_MD_NEW_SEM(_MDSemaphore *md, PRUintn value) +{ + md->sem = CreateSemaphore(NULL, value, 0x7fffffff, NULL); +} + +void +_PR_MD_DESTROY_SEM(_MDSemaphore *md) +{ + CloseHandle(md->sem); +} + +PRStatus +_PR_MD_TIMED_WAIT_SEM(_MDSemaphore *md, PRIntervalTime ticks) +{ + int rv; + + rv = WaitForSingleObject(md->sem, PR_IntervalToMilliseconds(ticks)); + + if (rv == WAIT_OBJECT_0) + return PR_SUCCESS; + else + return PR_FAILURE; +} + +PRStatus +_PR_MD_WAIT_SEM(_MDSemaphore *md) +{ + return _PR_MD_TIMED_WAIT_SEM(md, PR_INTERVAL_NO_TIMEOUT); +} + +void +_PR_MD_POST_SEM(_MDSemaphore *md) +{ + ReleaseSemaphore(md->sem, 1, NULL); +} |