SYS_SETFAULTHANDLER Set signal Handler
SYS_YIELD Yield remainder of timestamp
SYS_SLEEP Sleep until messaged or signaled
+SYS_TIMEDSLEEP Sleep until a specified time has elapsed
SYS_WAITEVENT Wait for an event
SYS_WAITTID Wait for a thread to do something
+SYS_SETSIGNALHANDLER Set the POSIX signal handler
+SYS_SETSIGNALMASK Sets the mask of disabled POSIX signals
+
SYS_SETNAME Sets the name of the current thread
SYS_GETNAME Gets the name of a thread
SYS_GETTID Get current thread ID
SYS_COPYFD Create a copy of a file handle
SYS_FDCTL Modify flags of a file descriptor
SYS_READ Read from an open file
+SYS_READAT Read from an open file (with offset)
SYS_WRITE Write to an open file
+SYS_WRITEAT Write to an open file (with offset)
+SYS_TRUNCATE Change the size of an open file
SYS_IOCTL Perform an IOCtl Call
SYS_SEEK Seek to a new position in the file
SYS_READDIR Read from an open directory
SYS_GETCWD Get current directory
SYS_MOUNT Mount a filesystem
SYS_SELECT Wait for file handles
+SYS_MMAP Map a file into this address space
+SYS_MUNMAP Unmap a file
+SYS_MARSHALFD Create a reference to a FD suitable for handing to another process
+SYS_UNMARSHALFD Accept a marshaled FD
+