mirror of
https://github.com/9fans/plan9port.git
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90 lines
1.5 KiB
C
90 lines
1.5 KiB
C
#include <ucontext.h>
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typedef struct Context Context;
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typedef struct Proc Proc;
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typedef struct _Procrendez _Procrendez;
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typedef struct Jmp Jmp;
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struct Jmp
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{
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p9jmp_buf b;
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};
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enum
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{
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STACK = 8192
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};
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struct Context
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{
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ucontext_t uc;
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};
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struct _Thread
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{
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_Thread *next;
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_Thread *prev;
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_Thread *allnext;
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_Thread *allprev;
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Context context;
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uint id;
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uchar *stk;
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uint stksize;
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int exiting;
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void (*startfn)(void*);
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void *startarg;
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Proc *proc;
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char name[256];
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char state[256];
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};
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struct _Procrendez
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{
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Lock *l;
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int asleep;
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#ifdef PLAN9PORT_USING_PTHREADS
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pthread_cond_t cond;
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#else
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int pid;
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#endif
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};
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extern void _procsleep(_Procrendez*);
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extern void _procwakeup(_Procrendez*);
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struct Proc
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{
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Proc *next;
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Proc *prev;
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char msg[128];
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#ifdef PLAN9PORT_USING_PTHREADS
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pthread_t osprocid;
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#else
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uint osprocid;
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#endif
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Lock lock;
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_Thread *thread;
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_Threadlist runqueue;
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_Threadlist allthreads;
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uint nthread;
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uint sysproc;
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_Procrendez runrend;
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Context schedcontext;
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void *udata;
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Jmp sigjmp;
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};
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#define proc() _threadproc()
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#define setproc(p) _threadsetproc(p)
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extern Proc *_threadprocs;
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extern Lock _threadprocslock;
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extern void _procstart(Proc*, void (*fn)(Proc*));
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extern _Thread *_threadcreate(Proc*, void(*fn)(void*), void*, uint);
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extern void _threadexit(void);
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extern Proc *_threadproc(void);
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extern void _threadsetproc(Proc*);
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extern int _threadlock(Lock*, int, ulong);
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extern void _threadunlock(Lock*, ulong);
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extern void _pthreadinit(void);
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