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libthread: Lion context routines

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This commit is contained in:
Russ Cox 2011-10-13 23:57:54 -04:00
parent f1825251e7
commit 04e0a9bb81
6 changed files with 129 additions and 3 deletions
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4
src/libthread/thread.c
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@ -86,6 +86,7 @@ threadstart(uint y, uint x)
_Thread *t;
ulong z;
//print("threadstart\n");
z = (ulong)x << 16; /* hide undefined 32-bit shift from 32-bit compilers */
z <<= 16;
z |= y;
@ -317,7 +318,7 @@ procscheduler(Proc *p)
setproc(p);
_threaddebug("scheduler enter");
/* print("s %p\n", p); */
//print("s %p\n", p);
lock(&p->lock);
for(;;){
if((t = p->pinthread) != nil){
@ -354,6 +355,7 @@ procscheduler(Proc *p)
p->thread = t;
p->nswitch++;
_threaddebug("run %d (%s)", t->id, t->name);
//print("run %p %p %p %p\n", t, *(uintptr*)(t->context.uc.mc.sp), t->context.uc.mc.di, t->context.uc.mc.si);
contextswitch(&p->schedcontext, &t->context);
/*print("back in scheduler\n"); */
p->thread = nil;