< prev index next >

src/os/windows/vm/os_windows.cpp

Print this page

        

*** 68,77 **** --- 68,78 ---- #include "services/runtimeService.hpp" #include "utilities/decoder.hpp" #include "utilities/defaultStream.hpp" #include "utilities/events.hpp" #include "utilities/growableArray.hpp" + #include "utilities/semaphore.hpp" #include "utilities/vmError.hpp" #ifdef _DEBUG #include <crtdbg.h> #endif
*** 1893,1902 **** --- 1894,1930 ---- error = errno; } return (int)error; } + Semaphore::Semaphore(uint value) { + _semaphore = ::CreateSemaphore(NULL, value, LONG_MAX, NULL); + + assert(_semaphore != NULL, err_msg("CreateSemaphore failed: %ld", GetLastError())); + } + + Semaphore::~Semaphore() { + if (_semaphore != NULL) { + ::CloseHandle(_semaphore); + } + } + + void Semaphore::signal(uint count) { + BOOL ret = ::ReleaseSemaphore(_semaphore, count, NULL); + + assert(ret != 0, err_msg("ReleaseSemaphore failed: %d", GetLastError())); + } + + void Semaphore::signal() { + signal(1); + } + + void Semaphore::wait() { + DWORD ret = ::WaitForSingleObject(_semaphore, INFINITE); + assert(ret == WAIT_OBJECT_0, err_msg("WaitForSingleObject failed: %d", GetLastError())); + } + // sun.misc.Signal // NOTE that this is a workaround for an apparent kernel bug where if // a signal handler for SIGBREAK is installed then that signal handler // takes priority over the console control handler for CTRL_CLOSE_EVENT. // See bug 4416763.
< prev index next >