1 d54ead7f 2004-12-28 devnull #include "u.h"
2 d54ead7f 2004-12-28 devnull #include <errno.h>
3 d54ead7f 2004-12-28 devnull #include <sys/time.h>
4 d54ead7f 2004-12-28 devnull #include <sys/types.h>
5 d54ead7f 2004-12-28 devnull #include <sys/wait.h>
6 d54ead7f 2004-12-28 devnull #include <sched.h>
7 d54ead7f 2004-12-28 devnull #include <signal.h>
8 9d654ebc 2005-07-19 devnull #if !defined(__OpenBSD__)
9 cea10000 2005-05-01 devnull # include <ucontext.h>
11 7a2c8850 2005-01-17 devnull #include <sys/utsname.h>
12 d54ead7f 2004-12-28 devnull #include "libc.h"
13 d54ead7f 2004-12-28 devnull #include "thread.h"
15 48ca8d21 2005-11-01 devnull #if defined(__FreeBSD__) && __FreeBSD__ < 5
16 1e05fdf9 2005-11-04 devnull extern int getmcontext(mcontext_t*);
17 1e05fdf9 2005-11-04 devnull extern void setmcontext(mcontext_t*);
18 1e05fdf9 2005-11-04 devnull #define setcontext(u) setmcontext(&(u)->uc_mcontext)
19 1e05fdf9 2005-11-04 devnull #define getcontext(u) getmcontext(&(u)->uc_mcontext)
20 d54ead7f 2004-12-28 devnull extern int swapcontext(ucontext_t*, ucontext_t*);
21 d54ead7f 2004-12-28 devnull extern void makecontext(ucontext_t*, void(*)(), int, ...);
24 2640996a 2007-11-05 rsc #if defined(__APPLE__)
26 2640996a 2007-11-05 rsc * OS X before 10.5 (Leopard) does not provide
27 2640996a 2007-11-05 rsc * swapcontext nor makecontext, so we have to use our own.
28 2640996a 2007-11-05 rsc * In theory, Leopard does provide them, but when we use
29 2640996a 2007-11-05 rsc * them, they seg fault. Maybe we're using them wrong.
30 2640996a 2007-11-05 rsc * So just use our own versions, even on Leopard.
32 b8f742db 2005-01-11 devnull # define mcontext libthread_mcontext
33 b8f742db 2005-01-11 devnull # define mcontext_t libthread_mcontext_t
34 b8f742db 2005-01-11 devnull # define ucontext libthread_ucontext
35 b8f742db 2005-01-11 devnull # define ucontext_t libthread_ucontext_t
36 2640996a 2007-11-05 rsc # define swapcontext libthread_swapcontext
37 2640996a 2007-11-05 rsc # define makecontext libthread_makecontext
38 110c707d 2006-04-21 devnull # if defined(__i386__)
39 110c707d 2006-04-21 devnull # include "386-ucontext.h"
41 110c707d 2006-04-21 devnull # include "power-ucontext.h"
45 cea10000 2005-05-01 devnull #if defined(__OpenBSD__)
46 b4b68641 2005-07-20 devnull # define mcontext libthread_mcontext
47 b4b68641 2005-07-20 devnull # define mcontext_t libthread_mcontext_t
48 b4b68641 2005-07-20 devnull # define ucontext libthread_ucontext
49 b4b68641 2005-07-20 devnull # define ucontext_t libthread_ucontext_t
50 9d654ebc 2005-07-19 devnull # if defined __i386__
51 9d654ebc 2005-07-19 devnull # include "386-ucontext.h"
53 9d654ebc 2005-07-19 devnull # include "power-ucontext.h"
55 cea10000 2005-05-01 devnull extern pid_t rfork_thread(int, void*, int(*)(void*), void*);
58 528dba4d 2007-05-01 devnull /* THIS DOES NOT WORK! Don't do this!
59 528dba4d 2007-05-01 devnull (At least, not on Solaris. Maybe this is right for Linux,
60 528dba4d 2007-05-01 devnull in which case it should say if defined(__linux__) && defined(__sun__),
61 528dba4d 2007-05-01 devnull but surely the latter would be defined(__sparc__).
63 17558fbe 2006-06-04 devnull #if defined(__sun__)
64 17558fbe 2006-06-04 devnull # define mcontext libthread_mcontext
65 17558fbe 2006-06-04 devnull # define mcontext_t libthread_mcontext_t
66 17558fbe 2006-06-04 devnull # define ucontext libthread_ucontext
67 17558fbe 2006-06-04 devnull # define ucontext_t libthread_ucontext_t
68 17558fbe 2006-06-04 devnull # include "sparc-ucontext.h"
72 33a102fc 2005-11-04 devnull #if defined(__arm__)
73 a81eb4ca 2005-11-04 devnull int getmcontext(mcontext_t*);
74 ac3d1298 2005-11-04 devnull void setmcontext(const mcontext_t*);
75 a81eb4ca 2005-11-04 devnull #define setcontext(u) setmcontext(&(u)->uc_mcontext)
76 a81eb4ca 2005-11-04 devnull #define getcontext(u) getmcontext(&(u)->uc_mcontext)
80 619085f0 2004-12-25 devnull typedef struct Context Context;
81 e127e40b 2004-12-27 devnull typedef struct Execjob Execjob;
82 619085f0 2004-12-25 devnull typedef struct Proc Proc;
83 619085f0 2004-12-25 devnull typedef struct _Procrendez _Procrendez;
85 e1dc7e45 2004-12-27 devnull typedef struct Jmp Jmp;
86 e1dc7e45 2004-12-27 devnull struct Jmp
88 e1dc7e45 2004-12-27 devnull p9jmp_buf b;
93 619085f0 2004-12-25 devnull STACK = 8192
96 619085f0 2004-12-25 devnull struct Context
98 619085f0 2004-12-25 devnull ucontext_t uc;
101 e127e40b 2004-12-27 devnull struct Execjob
103 e127e40b 2004-12-27 devnull int *fd;
104 e127e40b 2004-12-27 devnull char *cmd;
105 e127e40b 2004-12-27 devnull char **argv;
106 e127e40b 2004-12-27 devnull Channel *c;
109 619085f0 2004-12-25 devnull struct _Thread
111 619085f0 2004-12-25 devnull _Thread *next;
112 619085f0 2004-12-25 devnull _Thread *prev;
113 619085f0 2004-12-25 devnull _Thread *allnext;
114 619085f0 2004-12-25 devnull _Thread *allprev;
115 619085f0 2004-12-25 devnull Context context;
116 619085f0 2004-12-25 devnull uint id;
117 619085f0 2004-12-25 devnull uchar *stk;
118 619085f0 2004-12-25 devnull uint stksize;
119 619085f0 2004-12-25 devnull int exiting;
120 619085f0 2004-12-25 devnull void (*startfn)(void*);
121 619085f0 2004-12-25 devnull void *startarg;
122 619085f0 2004-12-25 devnull Proc *proc;
123 619085f0 2004-12-25 devnull char name[256];
124 619085f0 2004-12-25 devnull char state[256];
125 8dd8a81f 2005-03-18 devnull void *udata;
129 619085f0 2004-12-25 devnull struct _Procrendez
131 619085f0 2004-12-25 devnull Lock *l;
132 619085f0 2004-12-25 devnull int asleep;
133 4dbefdd4 2004-12-27 devnull #ifdef PLAN9PORT_USING_PTHREADS
134 619085f0 2004-12-25 devnull pthread_cond_t cond;
136 4dbefdd4 2004-12-27 devnull int pid;
140 619085f0 2004-12-25 devnull extern void _procsleep(_Procrendez*);
141 619085f0 2004-12-25 devnull extern void _procwakeup(_Procrendez*);
142 a0a331aa 2005-01-06 devnull extern void _procwakeupandunlock(_Procrendez*);
144 619085f0 2004-12-25 devnull struct Proc
146 4dbefdd4 2004-12-27 devnull Proc *next;
147 4dbefdd4 2004-12-27 devnull Proc *prev;
148 4dbefdd4 2004-12-27 devnull char msg[128];
149 4dbefdd4 2004-12-27 devnull #ifdef PLAN9PORT_USING_PTHREADS
150 4dbefdd4 2004-12-27 devnull pthread_t osprocid;
152 669a062b 2005-01-30 devnull int osprocid;
154 619085f0 2004-12-25 devnull Lock lock;
155 8cbd854a 2004-12-27 devnull int nswitch;
156 619085f0 2004-12-25 devnull _Thread *thread;
157 ff63eeb1 2006-06-26 devnull _Thread *pinthread;
158 619085f0 2004-12-25 devnull _Threadlist runqueue;
159 615e0f9f 2006-02-07 devnull _Threadlist idlequeue;
160 619085f0 2004-12-25 devnull _Threadlist allthreads;
161 619085f0 2004-12-25 devnull uint nthread;
162 619085f0 2004-12-25 devnull uint sysproc;
163 619085f0 2004-12-25 devnull _Procrendez runrend;
164 619085f0 2004-12-25 devnull Context schedcontext;
165 619085f0 2004-12-25 devnull void *udata;
166 e1dc7e45 2004-12-27 devnull Jmp sigjmp;
167 8ee6ad4d 2005-02-14 devnull int mainproc;
170 619085f0 2004-12-25 devnull #define proc() _threadproc()
171 619085f0 2004-12-25 devnull #define setproc(p) _threadsetproc(p)
173 4dbefdd4 2004-12-27 devnull extern Proc *_threadprocs;
174 4dbefdd4 2004-12-27 devnull extern Lock _threadprocslock;
175 955a2ca7 2004-12-27 devnull extern Proc *_threadexecproc;
176 955a2ca7 2004-12-27 devnull extern Channel *_threadexecchan;
177 955a2ca7 2004-12-27 devnull extern QLock _threadexeclock;
178 955a2ca7 2004-12-27 devnull extern Channel *_dowaitchan;
180 73722a8b 2004-12-27 devnull extern void _procstart(Proc*, void (*fn)(Proc*));
181 619085f0 2004-12-25 devnull extern _Thread *_threadcreate(Proc*, void(*fn)(void*), void*, uint);
182 619085f0 2004-12-25 devnull extern void _threadexit(void);
183 619085f0 2004-12-25 devnull extern Proc *_threadproc(void);
184 619085f0 2004-12-25 devnull extern void _threadsetproc(Proc*);
185 619085f0 2004-12-25 devnull extern int _threadlock(Lock*, int, ulong);
186 619085f0 2004-12-25 devnull extern void _threadunlock(Lock*, ulong);
187 e1dc7e45 2004-12-27 devnull extern void _pthreadinit(void);
188 e127e40b 2004-12-27 devnull extern int _threadspawn(int*, char*, char**);
189 e127e40b 2004-12-27 devnull extern int _runthreadspawn(int*, char*, char**);
190 2c87dda8 2004-12-28 devnull extern void _threadsetupdaemonize(void);
191 2c87dda8 2004-12-28 devnull extern void _threaddodaemonize(char*);
192 1d2533d0 2004-12-28 devnull extern void _threadpexit(void);
193 c7acb53e 2005-01-04 devnull extern void _threaddaemonize(void);
