public unsafe Semaphore(int initialCount, int maximumCount, string name, out bool createdNew, SemaphoreSecurity semaphoreSecurity)
{
SafeWaitHandle handle;
if (initialCount < 0)
{
throw new ArgumentOutOfRangeException("initialCount", SR.GetString("ArgumentOutOfRange_NeedNonNegNumRequired"));
}
if (maximumCount < 1)
{
throw new ArgumentOutOfRangeException("maximumCount", SR.GetString("ArgumentOutOfRange_NeedNonNegNumRequired"));
}
if (initialCount > maximumCount)
{
throw new ArgumentException(SR.GetString("Argument_SemaphoreInitialMaximum"));
}
if ((name != null) && (MAX_PATH < name.Length))
{
throw new ArgumentException(SR.GetString("Argument_WaitHandleNameTooLong"));
}
if (semaphoreSecurity != null)
{
Microsoft.Win32.NativeMethods.SECURITY_ATTRIBUTES structure = null;
structure = new Microsoft.Win32.NativeMethods.SECURITY_ATTRIBUTES {
nLength = Marshal.SizeOf(structure)
};
fixed (byte* numRef = semaphoreSecurity.GetSecurityDescriptorBinaryForm())
{
structure.lpSecurityDescriptor = new SafeLocalMemHandle((IntPtr) numRef, false);
handle = Microsoft.Win32.SafeNativeMethods.CreateSemaphore(structure, initialCount, maximumCount, name);
}
}
else
{
handle = Microsoft.Win32.SafeNativeMethods.CreateSemaphore(null, initialCount, maximumCount, name);
}
int num = Marshal.GetLastWin32Error();
if (handle.IsInvalid)
{
if (((name != null) && (name.Length != 0)) && (6 == num))
{
throw new WaitHandleCannotBeOpenedException(SR.GetString("WaitHandleCannotBeOpenedException_InvalidHandle", new object[] { name }));
}
InternalResources.WinIOError();
}
createdNew = num != 0xb7;
base.SafeWaitHandle = handle;
}
public unsafe Semaphore(int initialCount, int maximumCount, string name, out bool createdNew, SemaphoreSecurity semaphoreSecurity)
#endif
{
if (initialCount < 0)
{
throw new ArgumentOutOfRangeException("initialCount", SR.GetString(SR.ArgumentOutOfRange_NeedNonNegNumRequired));
}
if (maximumCount < 1)
{
throw new ArgumentOutOfRangeException("maximumCount", SR.GetString(SR.ArgumentOutOfRange_NeedNonNegNumRequired));
}
if (initialCount > maximumCount)
{
throw new ArgumentException(SR.GetString(SR.Argument_SemaphoreInitialMaximum));
}
if(null != name && MAX_PATH < name.Length)
{
throw new ArgumentException(SR.GetString(SR.Argument_WaitHandleNameTooLong));
}
SafeWaitHandle myHandle;
#if !FEATURE_PAL && !FEATURE_NETCORE
// For ACL's, get the security descriptor from the SemaphoreSecurity.
if (semaphoreSecurity != null) {
NativeMethods.SECURITY_ATTRIBUTES secAttrs = null;
secAttrs = new NativeMethods.SECURITY_ATTRIBUTES();
secAttrs.nLength = (int)Marshal.SizeOf(secAttrs);
byte[] sd = semaphoreSecurity.GetSecurityDescriptorBinaryForm();
fixed(byte* pSecDescriptor = sd) {
secAttrs.lpSecurityDescriptor = new SafeLocalMemHandle((IntPtr) pSecDescriptor, false);
myHandle = SafeNativeMethods.CreateSemaphore(secAttrs, initialCount, maximumCount, name);
}
}
else {
#endif
myHandle = SafeNativeMethods.CreateSemaphore(null, initialCount, maximumCount, name);
#if !FEATURE_PAL && !FEATURE_NETCORE
}
#endif
int errorCode = Marshal.GetLastWin32Error();
if (myHandle.IsInvalid)
{
if(null != name && 0 != name.Length && NativeMethods.ERROR_INVALID_HANDLE == errorCode)
throw new WaitHandleCannotBeOpenedException(SR.GetString(SR.WaitHandleCannotBeOpenedException_InvalidHandle,name));
InternalResources.WinIOError();
}
createdNew = errorCode != NativeMethods.ERROR_ALREADY_EXISTS;
this.SafeWaitHandle = myHandle;
}
