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version 1.1.2.6, 2006/07/28 21:19:53
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version 1.1.2.10, 2006/07/28 23:56:54
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| #include "ReadWriteSem.h" | #include "ReadWriteSem.h" |
| #include "Time.h" | #include "Time.h" |
| #include "PegasusAssert.h" | #include "PegasusAssert.h" |
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#include "Threads.h" |
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| PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
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| //============================================================================== | //============================================================================== |
| // | // |
| // PEGASUS_USE_POSIX_RWLOCK | // PEGASUS_USE_POSIX_RWLOCK |
| // | // |
| //============================================================================== | //============================================================================== |
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| #ifdef PEGASUS_USE_POSIX_RWLOCK | #ifdef PEGASUS_USE_POSIX_RWLOCK |
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| ReadWriteSem::ReadWriteSem():_readers(0), _writers(0) | ReadWriteSem::ReadWriteSem():_readers(0), _writers(0) |
| { | { |
| pthread_rwlock_init(&_rwlock.rwlock, NULL); | pthread_rwlock_init(&_rwlock.rwlock, NULL); |
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| void ReadWriteSem::timed_wait(Uint32 mode, | void ReadWriteSem::timed_wait(Uint32 mode, |
| ThreadType caller, int milliseconds) | ThreadType caller, int milliseconds) |
| { | { |
| int errorcode = 0, timeout; |
int errorcode = 0, timeout = 0; |
| struct timeval now, finish, remaining; | struct timeval now, finish, remaining; |
| Uint32 usec; | Uint32 usec; |
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| int ReadWriteSem::read_count() const | int ReadWriteSem::read_count() const |
| { | { |
| #if defined(PEGASUS_PLATFORM_LINUX_GENERIC_GNU) |
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| PEGASUS_ASSERT(_readers.get() == _rwlock.rwlock.__rw_readers); |
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| #endif |
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| return (_readers.get()); | return (_readers.get()); |
| } | } |
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| int ReadWriteSem::write_count() const | int ReadWriteSem::write_count() const |
| { | { |
| #if defined(PEGASUS_PLATFORM_LINUX_GENERIC_GNU) |
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| if (_rwlock.rwlock.__rw_writer != NULL) |
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| { |
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| PEGASUS_ASSERT(_writers.get() == 1); |
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| } |
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| #endif |
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| return (_writers.get()); | return (_writers.get()); |
| } | } |
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| void ReadWriteSem::timed_wait(Uint32 mode, ThreadType caller, | void ReadWriteSem::timed_wait(Uint32 mode, ThreadType caller, |
| int milliseconds) | int milliseconds) |
| { | { |
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| //----------------------------------------------------------------- | //----------------------------------------------------------------- |
| // Lock this object to maintain integrity while we decide | // Lock this object to maintain integrity while we decide |
| // exactly what to do next. | // exactly what to do next. |
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| // cleanup stack frame | // cleanup stack frame |
| { | { |
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| Threads::cleanup_push(extricate_read_write, this); | Threads::cleanup_push(extricate_read_write, this); |
| | |
| try | try |
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ReadWriteSem.cpp
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