o5r/plan9port
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Print information on SIGQUIT, SIGINFO.

Browse source
This commit is contained in:
rsc 2005-09-26 12:05:26 +00:00
parent 391363f510
commit 6dde87f83c
1 changed files with 41 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

41
src/libthread/thread.c
View file

@ -16,6 +16,7 @@ static void addthreadinproc(Proc*, _Thread*);
static void delthreadinproc(Proc*, _Thread*);
static void contextswitch(Context *from, Context *to);
static void procscheduler(Proc*);
static int threadinfo(void*, char*);
static void
_threaddebug(char *fmt, ...)
@ -614,6 +615,7 @@ main(int argc, char **argv)
_threadsetproc(p);
if(mainstacksize == 0)
mainstacksize = 256*1024;
atnotify(threadinfo, 1);
_threadcreate(p, threadmainstart, nil, mainstacksize);
procscheduler(p);
sysfatal("procscheduler returned in threadmain!");
@ -727,3 +729,42 @@ threadnotify(int (*f)(void*, char*), int in)
{
atnotify(f, in);
}
static int
onrunqueue(Proc *p, _Thread *t)
{
_Thread *tt;
for(tt=p->runqueue.head; tt; tt=tt->next)
if(tt == t)
return 1;
return 0;
}
/*
* print state - called from SIGINFO
*/
static int
threadinfo(void *v, char *s)
{
Proc *p;
_Thread *t;
if(strcmp(s, "quit") != 0 && strcmp(s, "sys: status request") != 0)
return 0;
for(p=_threadprocs; p; p=p->next){
fprint(2, "proc %p %s%s\n", (void*)p->osprocid, p->msg,
p->sysproc ? " (sysproc)": "");
for(t=p->allthreads.head; t; t=t->allnext){
fprint(2, "\tthread %d %s: %s %s\n",
t->id,
t == p->thread ? "Running" :
onrunqueue(p, t) ? "Ready" : "Sleeping",
t->state, t->name);
}
}
return 1;
}