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 fa662c95 2009-09-11 russcox #	if defined(__APPLE__)
 10 32983117 2020-06-16 noreply #		define _XOPEN_SOURCE    /* for Snow Leopard */
 11 fa662c95 2009-09-11 russcox #	endif
 12 cea10000 2005-05-01 devnull #endif
 13 7a2c8850 2005-01-17 devnull #include <sys/utsname.h>
 14 d54ead7f 2004-12-28 devnull #include "libc.h"
 15 d54ead7f 2004-12-28 devnull #include "thread.h"
 16 619085f0 2004-12-25 devnull 
 17 e127e40b 2004-12-27 devnull typedef struct Execjob Execjob;
 18 619085f0 2004-12-25 devnull typedef struct Proc Proc;
 19 619085f0 2004-12-25 devnull typedef struct _Procrendez _Procrendez;
 20 619085f0 2004-12-25 devnull 
 21 e1dc7e45 2004-12-27 devnull typedef struct Jmp Jmp;
 22 e1dc7e45 2004-12-27 devnull struct Jmp
 23 e1dc7e45 2004-12-27 devnull {
 24 e1dc7e45 2004-12-27 devnull 	p9jmp_buf b;
 25 e1dc7e45 2004-12-27 devnull };
 26 e1dc7e45 2004-12-27 devnull 
 27 619085f0 2004-12-25 devnull enum
 28 619085f0 2004-12-25 devnull {
 29 619085f0 2004-12-25 devnull 	STACK = 8192
 30 619085f0 2004-12-25 devnull };
 31 619085f0 2004-12-25 devnull 
 32 e127e40b 2004-12-27 devnull struct Execjob
 33 e127e40b 2004-12-27 devnull {
 34 e127e40b 2004-12-27 devnull 	int *fd;
 35 e127e40b 2004-12-27 devnull 	char *cmd;
 36 e127e40b 2004-12-27 devnull 	char **argv;
 37 9e4b56e7 2012-10-22 rsc 	char *dir;
 38 e127e40b 2004-12-27 devnull 	Channel *c;
 39 e127e40b 2004-12-27 devnull };
 40 e127e40b 2004-12-27 devnull 
 41 baef953d 2020-05-18 rsc struct _Procrendez
 42 baef953d 2020-05-18 rsc {
 43 baef953d 2020-05-18 rsc 	Lock		*l;
 44 baef953d 2020-05-18 rsc 	int		asleep;
 45 baef953d 2020-05-18 rsc 	pthread_cond_t	cond;
 46 baef953d 2020-05-18 rsc };
 47 baef953d 2020-05-18 rsc 
 48 619085f0 2004-12-25 devnull struct _Thread
 49 619085f0 2004-12-25 devnull {
 50 619085f0 2004-12-25 devnull 	_Thread	*next;
 51 619085f0 2004-12-25 devnull 	_Thread	*prev;
 52 619085f0 2004-12-25 devnull 	_Thread	*allnext;
 53 619085f0 2004-12-25 devnull 	_Thread	*allprev;
 54 fc567f47 2011-08-02 rsc 	void	(*startfn)(void*);
 55 fc567f47 2011-08-02 rsc 	void	*startarg;
 56 619085f0 2004-12-25 devnull 	uint	id;
 57 baef953d 2020-05-18 rsc 	pthread_t	osprocid;
 58 619085f0 2004-12-25 devnull 	uchar	*stk;
 59 619085f0 2004-12-25 devnull 	uint	stksize;
 60 619085f0 2004-12-25 devnull 	int		exiting;
 61 b73633b1 2020-12-30 rsc 	int		mainthread;
 62 619085f0 2004-12-25 devnull 	Proc	*proc;
 63 619085f0 2004-12-25 devnull 	char	name[256];
 64 619085f0 2004-12-25 devnull 	char	state[256];
 65 8dd8a81f 2005-03-18 devnull 	void *udata;
 66 47ede89e 2007-08-22 rsc 	Alt	*alt;
 67 baef953d 2020-05-18 rsc 	_Procrendez schedrend;
 68 619085f0 2004-12-25 devnull };
 69 619085f0 2004-12-25 devnull 
 70 619085f0 2004-12-25 devnull extern	void	_procsleep(_Procrendez*);
 71 619085f0 2004-12-25 devnull extern	void	_procwakeup(_Procrendez*);
 72 a0a331aa 2005-01-06 devnull extern	void	_procwakeupandunlock(_Procrendez*);
 73 619085f0 2004-12-25 devnull 
 74 619085f0 2004-12-25 devnull struct Proc
 75 619085f0 2004-12-25 devnull {
 76 4dbefdd4 2004-12-27 devnull 	Proc		*next;
 77 4dbefdd4 2004-12-27 devnull 	Proc		*prev;
 78 4dbefdd4 2004-12-27 devnull 	char		msg[128];
 79 4dbefdd4 2004-12-27 devnull 	pthread_t	osprocid;
 80 619085f0 2004-12-25 devnull 	Lock		lock;
 81 8cbd854a 2004-12-27 devnull 	int			nswitch;
 82 baef953d 2020-05-18 rsc 	_Thread		*thread0;
 83 619085f0 2004-12-25 devnull 	_Thread		*thread;
 84 ff63eeb1 2006-06-26 devnull 	_Thread		*pinthread;
 85 619085f0 2004-12-25 devnull 	_Threadlist	runqueue;
 86 615e0f9f 2006-02-07 devnull 	_Threadlist	idlequeue;
 87 619085f0 2004-12-25 devnull 	_Threadlist	allthreads;
 88 619085f0 2004-12-25 devnull 	uint		nthread;
 89 619085f0 2004-12-25 devnull 	uint		sysproc;
 90 619085f0 2004-12-25 devnull 	_Procrendez	runrend;
 91 baef953d 2020-05-18 rsc 	_Thread	*schedthread;
 92 619085f0 2004-12-25 devnull 	void		*udata;
 93 e1dc7e45 2004-12-27 devnull 	Jmp		sigjmp;
 94 8ee6ad4d 2005-02-14 devnull 	int		mainproc;
 95 619085f0 2004-12-25 devnull };
 96 619085f0 2004-12-25 devnull 
 97 619085f0 2004-12-25 devnull #define proc() _threadproc()
 98 619085f0 2004-12-25 devnull 
 99 4dbefdd4 2004-12-27 devnull extern Proc *_threadprocs;
100 4dbefdd4 2004-12-27 devnull extern Lock _threadprocslock;
101 955a2ca7 2004-12-27 devnull extern Proc *_threadexecproc;
102 955a2ca7 2004-12-27 devnull extern Channel *_threadexecchan;
103 955a2ca7 2004-12-27 devnull extern QLock _threadexeclock;
104 955a2ca7 2004-12-27 devnull extern Channel *_dowaitchan;
105 4dbefdd4 2004-12-27 devnull 
106 73722a8b 2004-12-27 devnull extern void _procstart(Proc*, void (*fn)(Proc*));
107 619085f0 2004-12-25 devnull extern _Thread *_threadcreate(Proc*, void(*fn)(void*), void*, uint);
108 481b596d 2020-01-14 rsc extern void _procexit(void);
109 619085f0 2004-12-25 devnull extern Proc *_threadproc(void);
110 619085f0 2004-12-25 devnull extern void _threadsetproc(Proc*);
111 619085f0 2004-12-25 devnull extern int _threadlock(Lock*, int, ulong);
112 619085f0 2004-12-25 devnull extern void _threadunlock(Lock*, ulong);
113 e1dc7e45 2004-12-27 devnull extern void _pthreadinit(void);
114 9e4b56e7 2012-10-22 rsc extern int _threadspawn(int*, char*, char**, char*);
115 9e4b56e7 2012-10-22 rsc extern int _runthreadspawn(int*, char*, char**, char*);
116 2c87dda8 2004-12-28 devnull extern void _threadsetupdaemonize(void);
117 2c87dda8 2004-12-28 devnull extern void _threaddodaemonize(char*);
118 1d2533d0 2004-12-28 devnull extern void _threadpexit(void);
119 c7acb53e 2005-01-04 devnull extern void _threaddaemonize(void);
120 8c573cab 2020-01-14 rsc extern void *_threadstkalloc(int);
121 8c573cab 2020-01-14 rsc extern void _threadstkfree(void*, int);
122 baef953d 2020-05-18 rsc extern void _threadpthreadmain(Proc*, _Thread*);
123 baef953d 2020-05-18 rsc extern void _threadpthreadstart(Proc*, _Thread*);
124 41b3e8b9 2020-01-20 rsc 
125 41b3e8b9 2020-01-20 rsc #define USPALIGN(ucp, align) \
126 41b3e8b9 2020-01-20 rsc 	(void*)((((uintptr)(ucp)->uc_stack.ss_sp+(ucp)->uc_stack.ss_size)-(align))&~((align)-1))