public static bool SetMallCtlSInt64(string name, long value)
{
void *n = &value;
ulong size = sizeof(Int64);
ERRNO r = (ERRNO)Mallctl(name, IntPtr.Zero, ref size, (IntPtr)n, size);
return(r == ERRNO.ENONE ? true : throw GetExceptionForErrNo($"Could not set mallctl value {name} to {value}.", r));
}
public static Int64 GetMallCtlSInt64(string name)
{
void *i = stackalloc Int64[1];
ulong size = sizeof(Int64);
ERRNO r = (ERRNO)Mallctl(name, (IntPtr)i, ref size, IntPtr.Zero, 0);
return(r == ERRNO.ENONE ? *(Int64 *)(i) : throw GetExceptionForErrNo($"Could not get mallctl value {name}.", r));
}
public static bool SetMallCtlBool(string name, bool value)
{
byte v = value ? (byte)1 : (byte)0;
void *n = &v;
ulong size = sizeof(byte);
ERRNO r = (ERRNO)Mallctl(name, IntPtr.Zero, ref size, (IntPtr)n, size);
return(r == ERRNO.ENONE ? true : throw GetExceptionForErrNo($"Could not set mallctl value {name} to {value}.", r));
}
public static bool GetMallCtlBool(string name)
{
void *i = stackalloc byte[1];
ulong size = sizeof(byte);
ERRNO r = (ERRNO)Mallctl(name, (IntPtr)i, ref size, IntPtr.Zero, 0);
return(r == ERRNO.ENONE ? *(byte *)(i) == 1 ? true : false:
r == ERRNO.ENOENT ? false : throw GetExceptionForErrNo($"Could not get mallctl value {name}.", r));
}
internal static Exception GetExceptionForErrNo(string message, ERRNO no)
{
switch (no)
{
case ERRNO.ENOMEM:
return(new OutOfMemoryException(message));
default:
return(new Exception(message + $" {no}."));
}
}
internal static Exception GetExceptionForErrNo(ERRNO no)
{
switch (no)
{
case ERRNO.ENOMEM:
return(new OutOfMemoryException());
default:
return(new Exception());
}
}
public static long ToErrCode(this ERRNO e)
{
return(mapper.ToHash(e));
}
