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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>
10 cea10000 2005-05-01 devnull #endif
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"
14 619085f0 2004-12-25 devnull
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, ...);
22 d54ead7f 2004-12-28 devnull #endif
23 d54ead7f 2004-12-28 devnull
24 50f7ec33 2005-01-07 devnull #if defined(__APPLE__)
25 b8f742db 2005-01-11 devnull # define mcontext libthread_mcontext
26 b8f742db 2005-01-11 devnull # define mcontext_t libthread_mcontext_t
27 b8f742db 2005-01-11 devnull # define ucontext libthread_ucontext
28 b8f742db 2005-01-11 devnull # define ucontext_t libthread_ucontext_t
29 110c707d 2006-04-21 devnull # if defined(__i386__)
30 110c707d 2006-04-21 devnull # include "386-ucontext.h"
31 110c707d 2006-04-21 devnull # else
32 110c707d 2006-04-21 devnull # include "power-ucontext.h"
33 110c707d 2006-04-21 devnull # endif
34 50f7ec33 2005-01-07 devnull #endif
35 50f7ec33 2005-01-07 devnull
36 cea10000 2005-05-01 devnull #if defined(__OpenBSD__)
37 b4b68641 2005-07-20 devnull # define mcontext libthread_mcontext
38 b4b68641 2005-07-20 devnull # define mcontext_t libthread_mcontext_t
39 b4b68641 2005-07-20 devnull # define ucontext libthread_ucontext
40 b4b68641 2005-07-20 devnull # define ucontext_t libthread_ucontext_t
41 9d654ebc 2005-07-19 devnull # if defined __i386__
42 9d654ebc 2005-07-19 devnull # include "386-ucontext.h"
43 9d654ebc 2005-07-19 devnull # else
44 9d654ebc 2005-07-19 devnull # include "power-ucontext.h"
45 9d654ebc 2005-07-19 devnull # endif
46 cea10000 2005-05-01 devnull extern pid_t rfork_thread(int, void*, int(*)(void*), void*);
47 cea10000 2005-05-01 devnull #endif
48 cea10000 2005-05-01 devnull
49 17558fbe 2006-06-04 devnull #if defined(__sun__)
50 17558fbe 2006-06-04 devnull # define mcontext libthread_mcontext
51 17558fbe 2006-06-04 devnull # define mcontext_t libthread_mcontext_t
52 17558fbe 2006-06-04 devnull # define ucontext libthread_ucontext
53 17558fbe 2006-06-04 devnull # define ucontext_t libthread_ucontext_t
54 17558fbe 2006-06-04 devnull # include "sparc-ucontext.h"
55 17558fbe 2006-06-04 devnull #endif
56 17558fbe 2006-06-04 devnull
57 33a102fc 2005-11-04 devnull #if defined(__arm__)
58 a81eb4ca 2005-11-04 devnull int getmcontext(mcontext_t*);
59 ac3d1298 2005-11-04 devnull void setmcontext(const mcontext_t*);
60 a81eb4ca 2005-11-04 devnull #define setcontext(u) setmcontext(&(u)->uc_mcontext)
61 a81eb4ca 2005-11-04 devnull #define getcontext(u) getmcontext(&(u)->uc_mcontext)
62 33a102fc 2005-11-04 devnull #endif
63 33a102fc 2005-11-04 devnull
64 17558fbe 2006-06-04 devnull
65 619085f0 2004-12-25 devnull typedef struct Context Context;
66 e127e40b 2004-12-27 devnull typedef struct Execjob Execjob;
67 619085f0 2004-12-25 devnull typedef struct Proc Proc;
68 619085f0 2004-12-25 devnull typedef struct _Procrendez _Procrendez;
69 619085f0 2004-12-25 devnull
70 e1dc7e45 2004-12-27 devnull typedef struct Jmp Jmp;
71 e1dc7e45 2004-12-27 devnull struct Jmp
72 e1dc7e45 2004-12-27 devnull {
73 e1dc7e45 2004-12-27 devnull p9jmp_buf b;
74 e1dc7e45 2004-12-27 devnull };
75 e1dc7e45 2004-12-27 devnull
76 619085f0 2004-12-25 devnull enum
77 619085f0 2004-12-25 devnull {
78 619085f0 2004-12-25 devnull STACK = 8192
79 619085f0 2004-12-25 devnull };
80 619085f0 2004-12-25 devnull
81 619085f0 2004-12-25 devnull struct Context
82 619085f0 2004-12-25 devnull {
83 619085f0 2004-12-25 devnull ucontext_t uc;
84 619085f0 2004-12-25 devnull };
85 619085f0 2004-12-25 devnull
86 e127e40b 2004-12-27 devnull struct Execjob
87 e127e40b 2004-12-27 devnull {
88 e127e40b 2004-12-27 devnull int *fd;
89 e127e40b 2004-12-27 devnull char *cmd;
90 e127e40b 2004-12-27 devnull char **argv;
91 e127e40b 2004-12-27 devnull Channel *c;
92 e127e40b 2004-12-27 devnull };
93 e127e40b 2004-12-27 devnull
94 619085f0 2004-12-25 devnull struct _Thread
95 619085f0 2004-12-25 devnull {
96 619085f0 2004-12-25 devnull _Thread *next;
97 619085f0 2004-12-25 devnull _Thread *prev;
98 619085f0 2004-12-25 devnull _Thread *allnext;
99 619085f0 2004-12-25 devnull _Thread *allprev;
100 619085f0 2004-12-25 devnull Context context;
101 619085f0 2004-12-25 devnull uint id;
102 619085f0 2004-12-25 devnull uchar *stk;
103 619085f0 2004-12-25 devnull uint stksize;
104 619085f0 2004-12-25 devnull int exiting;
105 619085f0 2004-12-25 devnull void (*startfn)(void*);
106 619085f0 2004-12-25 devnull void *startarg;
107 619085f0 2004-12-25 devnull Proc *proc;
108 619085f0 2004-12-25 devnull char name[256];
109 619085f0 2004-12-25 devnull char state[256];
110 8dd8a81f 2005-03-18 devnull void *udata;
111 619085f0 2004-12-25 devnull };
112 619085f0 2004-12-25 devnull
113 619085f0 2004-12-25 devnull struct _Procrendez
114 619085f0 2004-12-25 devnull {
115 619085f0 2004-12-25 devnull Lock *l;
116 619085f0 2004-12-25 devnull int asleep;
117 4dbefdd4 2004-12-27 devnull #ifdef PLAN9PORT_USING_PTHREADS
118 619085f0 2004-12-25 devnull pthread_cond_t cond;
119 4dbefdd4 2004-12-27 devnull #else
120 4dbefdd4 2004-12-27 devnull int pid;
121 4dbefdd4 2004-12-27 devnull #endif
122 619085f0 2004-12-25 devnull };
123 619085f0 2004-12-25 devnull
124 619085f0 2004-12-25 devnull extern void _procsleep(_Procrendez*);
125 619085f0 2004-12-25 devnull extern void _procwakeup(_Procrendez*);
126 a0a331aa 2005-01-06 devnull extern void _procwakeupandunlock(_Procrendez*);
127 619085f0 2004-12-25 devnull
128 619085f0 2004-12-25 devnull struct Proc
129 619085f0 2004-12-25 devnull {
130 4dbefdd4 2004-12-27 devnull Proc *next;
131 4dbefdd4 2004-12-27 devnull Proc *prev;
132 4dbefdd4 2004-12-27 devnull char msg[128];
133 4dbefdd4 2004-12-27 devnull #ifdef PLAN9PORT_USING_PTHREADS
134 4dbefdd4 2004-12-27 devnull pthread_t osprocid;
135 4dbefdd4 2004-12-27 devnull #else
136 669a062b 2005-01-30 devnull int osprocid;
137 4dbefdd4 2004-12-27 devnull #endif
138 619085f0 2004-12-25 devnull Lock lock;
139 8cbd854a 2004-12-27 devnull int nswitch;
140 619085f0 2004-12-25 devnull _Thread *thread;
141 ff63eeb1 2006-06-26 devnull _Thread *pinthread;
142 619085f0 2004-12-25 devnull _Threadlist runqueue;
143 615e0f9f 2006-02-07 devnull _Threadlist idlequeue;
144 619085f0 2004-12-25 devnull _Threadlist allthreads;
145 619085f0 2004-12-25 devnull uint nthread;
146 619085f0 2004-12-25 devnull uint sysproc;
147 619085f0 2004-12-25 devnull _Procrendez runrend;
148 619085f0 2004-12-25 devnull Context schedcontext;
149 619085f0 2004-12-25 devnull void *udata;
150 e1dc7e45 2004-12-27 devnull Jmp sigjmp;
151 8ee6ad4d 2005-02-14 devnull int mainproc;
152 619085f0 2004-12-25 devnull };
153 619085f0 2004-12-25 devnull
154 619085f0 2004-12-25 devnull #define proc() _threadproc()
155 619085f0 2004-12-25 devnull #define setproc(p) _threadsetproc(p)
156 619085f0 2004-12-25 devnull
157 4dbefdd4 2004-12-27 devnull extern Proc *_threadprocs;
158 4dbefdd4 2004-12-27 devnull extern Lock _threadprocslock;
159 955a2ca7 2004-12-27 devnull extern Proc *_threadexecproc;
160 955a2ca7 2004-12-27 devnull extern Channel *_threadexecchan;
161 955a2ca7 2004-12-27 devnull extern QLock _threadexeclock;
162 955a2ca7 2004-12-27 devnull extern Channel *_dowaitchan;
163 4dbefdd4 2004-12-27 devnull
164 73722a8b 2004-12-27 devnull extern void _procstart(Proc*, void (*fn)(Proc*));
165 619085f0 2004-12-25 devnull extern _Thread *_threadcreate(Proc*, void(*fn)(void*), void*, uint);
166 619085f0 2004-12-25 devnull extern void _threadexit(void);
167 619085f0 2004-12-25 devnull extern Proc *_threadproc(void);
168 619085f0 2004-12-25 devnull extern void _threadsetproc(Proc*);
169 619085f0 2004-12-25 devnull extern int _threadlock(Lock*, int, ulong);
170 619085f0 2004-12-25 devnull extern void _threadunlock(Lock*, ulong);
171 e1dc7e45 2004-12-27 devnull extern void _pthreadinit(void);
172 e127e40b 2004-12-27 devnull extern int _threadspawn(int*, char*, char**);
173 e127e40b 2004-12-27 devnull extern int _runthreadspawn(int*, char*, char**);
174 2c87dda8 2004-12-28 devnull extern void _threadsetupdaemonize(void);
175 2c87dda8 2004-12-28 devnull extern void _threaddodaemonize(char*);
176 1d2533d0 2004-12-28 devnull extern void _threadpexit(void);
177 c7acb53e 2005-01-04 devnull extern void _threaddaemonize(void);