1*d9a126e2Sjustin /* $NetBSD: rumpfiber.h,v 1.4 2015/02/15 00:54:32 justin Exp $ */ 2cafcaf7fSpooka 3ddcac26fSjustin /* 4ddcac26fSjustin * Copyright (c) 2014 Justin Cormack. All Rights Reserved. 5ddcac26fSjustin * 6ddcac26fSjustin * Redistribution and use in source and binary forms, with or without 7ddcac26fSjustin * modification, are permitted provided that the following conditions 8ddcac26fSjustin * are met: 9ddcac26fSjustin * 1. Redistributions of source code must retain the above copyright 10ddcac26fSjustin * notice, this list of conditions and the following disclaimer. 11ddcac26fSjustin * 2. Redistributions in binary form must reproduce the above copyright 12ddcac26fSjustin * notice, this list of conditions and the following disclaimer in the 13ddcac26fSjustin * documentation and/or other materials provided with the distribution. 14ddcac26fSjustin * 15ddcac26fSjustin * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16ddcac26fSjustin * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17ddcac26fSjustin * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18ddcac26fSjustin * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19ddcac26fSjustin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20ddcac26fSjustin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21ddcac26fSjustin * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22ddcac26fSjustin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23ddcac26fSjustin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24ddcac26fSjustin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25ddcac26fSjustin * SUCH DAMAGE. 26ddcac26fSjustin */ 27ddcac26fSjustin 28ddcac26fSjustin #include <sys/queue.h> 29ddcac26fSjustin 30ddcac26fSjustin #include <stdint.h> 31ddcac26fSjustin #include <string.h> 32ddcac26fSjustin #include <time.h> 33ddcac26fSjustin #include <ucontext.h> 34ddcac26fSjustin #include <unistd.h> 35ddcac26fSjustin 36ddcac26fSjustin struct thread { 37ddcac26fSjustin char *name; 38ddcac26fSjustin void *lwp; 39ddcac26fSjustin void *cookie; 40ddcac26fSjustin int64_t wakeup_time; 41ddcac26fSjustin TAILQ_ENTRY(thread) thread_list; 42ddcac26fSjustin ucontext_t ctx; 43*d9a126e2Sjustin int flags; 44ddcac26fSjustin int threrrno; 45ddcac26fSjustin }; 46ddcac26fSjustin 47ddcac26fSjustin #define RUNNABLE_FLAG 0x00000001 48ddcac26fSjustin #define THREAD_MUSTJOIN 0x00000002 49ddcac26fSjustin #define THREAD_JOINED 0x00000004 50ddcac26fSjustin #define THREAD_EXTSTACK 0x00000008 51ddcac26fSjustin #define THREAD_TIMEDOUT 0x00000010 52ddcac26fSjustin 53ddcac26fSjustin #define STACKSIZE 65536 54ddcac26fSjustin 55ddcac26fSjustin /* used by experimental _lwp code */ 56ddcac26fSjustin void schedule(void); 57ddcac26fSjustin void wake(struct thread *thread); 58ddcac26fSjustin void block(struct thread *thread); 59ddcac26fSjustin struct thread *init_mainthread(void *); 60ddcac26fSjustin void exit_thread(void) __attribute__((noreturn)); 61ddcac26fSjustin void set_sched_hook(void (*f)(void *, void *)); 62ddcac26fSjustin int abssleep_real(uint64_t millisecs); 63ddcac26fSjustin struct thread* create_thread(const char *name, void *cookie, 64ddcac26fSjustin void (*f)(void *), void *data, 65ddcac26fSjustin void *stack, size_t stack_size); 66ddcac26fSjustin int is_runnable(struct thread *); 67ddcac26fSjustin void set_runnable(struct thread *); 68ddcac26fSjustin void clear_runnable(struct thread *); 69ddcac26fSjustin 70