1 be22ae2d 2004-03-26 devnull #include <u.h>
 2 76193d7c 2003-09-30 devnull #include <signal.h>
 3 cd7ddc9b 2003-11-23 devnull #include "threadimpl.h"
 4 76193d7c 2003-09-30 devnull 
 5 76193d7c 2003-09-30 devnull char *_threadexitsallstatus;
 6 76193d7c 2003-09-30 devnull Channel *_threadwaitchan;
 7 76193d7c 2003-09-30 devnull 
 8 76193d7c 2003-09-30 devnull void
 9 76193d7c 2003-09-30 devnull threadexits(char *exitstr)
10 76193d7c 2003-09-30 devnull {
11 76193d7c 2003-09-30 devnull 	Proc *p;
12 76193d7c 2003-09-30 devnull 	Thread *t;
13 76193d7c 2003-09-30 devnull 
14 76193d7c 2003-09-30 devnull 	p = _threadgetproc();
15 76193d7c 2003-09-30 devnull 	t = p->thread;
16 e97ceade 2003-12-06 devnull 	if(t == p->idle)
17 e97ceade 2003-12-06 devnull 		p->idle = nil;
18 76193d7c 2003-09-30 devnull 	t->moribund = 1;
19 cd7ddc9b 2003-11-23 devnull 	_threaddebug(DBGSCHED, "threadexits %s", exitstr);
20 76193d7c 2003-09-30 devnull 	if(exitstr==nil)
21 76193d7c 2003-09-30 devnull 		exitstr="";
22 76193d7c 2003-09-30 devnull 	utfecpy(p->exitstr, p->exitstr+ERRMAX, exitstr);
23 76193d7c 2003-09-30 devnull 	_sched();
24 76193d7c 2003-09-30 devnull }
25 76193d7c 2003-09-30 devnull 
26 76193d7c 2003-09-30 devnull void
27 76193d7c 2003-09-30 devnull threadexitsall(char *exitstr)
28 76193d7c 2003-09-30 devnull {
29 76193d7c 2003-09-30 devnull 	Proc *p;
30 76193d7c 2003-09-30 devnull 	int *pid;
31 76193d7c 2003-09-30 devnull 	int i, npid, mypid;
32 76193d7c 2003-09-30 devnull 
33 cd7ddc9b 2003-11-23 devnull 	_threaddebug(DBGSCHED, "threadexitsall %s", exitstr);
34 76193d7c 2003-09-30 devnull 	if(exitstr == nil)
35 76193d7c 2003-09-30 devnull 		exitstr = "";
36 76193d7c 2003-09-30 devnull 	_threadexitsallstatus = exitstr;
37 76193d7c 2003-09-30 devnull 	_threaddebug(DBGSCHED, "_threadexitsallstatus set to %p", _threadexitsallstatus);
38 76193d7c 2003-09-30 devnull 	mypid = _threadgetpid();
39 76193d7c 2003-09-30 devnull 
40 76193d7c 2003-09-30 devnull 	/*
41 76193d7c 2003-09-30 devnull 	 * signal others.
42 cd7ddc9b 2003-11-23 devnull 	 * copying all the pids first avoids other thread's
43 76193d7c 2003-09-30 devnull 	 * teardown procedures getting in the way.
44 76193d7c 2003-09-30 devnull 	 */
45 76193d7c 2003-09-30 devnull 	lock(&_threadpq.lock);
46 76193d7c 2003-09-30 devnull 	npid = 0;
47 76193d7c 2003-09-30 devnull 	for(p=_threadpq.head; p; p=p->next)
48 76193d7c 2003-09-30 devnull 		npid++;
49 76193d7c 2003-09-30 devnull 	pid = _threadmalloc(npid*sizeof(pid[0]), 0);
50 76193d7c 2003-09-30 devnull 	npid = 0;
51 76193d7c 2003-09-30 devnull 	for(p = _threadpq.head; p; p=p->next)
52 76193d7c 2003-09-30 devnull 		pid[npid++] = p->pid;
53 76193d7c 2003-09-30 devnull 	unlock(&_threadpq.lock);
54 cd7ddc9b 2003-11-23 devnull 	for(i=0; i<npid; i++){
55 cd7ddc9b 2003-11-23 devnull 		_threaddebug(DBGSCHED, "threadexitsall kill %d", pid[i]);
56 cd7ddc9b 2003-11-23 devnull 		if(pid[i]==0 || pid[i]==-1)
57 cd7ddc9b 2003-11-23 devnull 			fprint(2, "bad pid in threadexitsall: %d\n", pid[i]);
58 cd7ddc9b 2003-11-23 devnull 		else if(pid[i] != mypid)
59 76193d7c 2003-09-30 devnull 			kill(pid[i], SIGTERM);
60 cd7ddc9b 2003-11-23 devnull 	}
61 76193d7c 2003-09-30 devnull 
62 76193d7c 2003-09-30 devnull 	/* leave */
63 76193d7c 2003-09-30 devnull 	exit(0);
64 76193d7c 2003-09-30 devnull }
65 76193d7c 2003-09-30 devnull 
66 76193d7c 2003-09-30 devnull Channel*
67 76193d7c 2003-09-30 devnull threadwaitchan(void)
68 76193d7c 2003-09-30 devnull {
69 76193d7c 2003-09-30 devnull 	if(_threadwaitchan==nil)
70 76193d7c 2003-09-30 devnull 		_threadwaitchan = chancreate(sizeof(Waitmsg*), 16);
71 76193d7c 2003-09-30 devnull 	return _threadwaitchan;
72 76193d7c 2003-09-30 devnull }