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build: OS X 64-bit build

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R=rsc
http://codereview.appspot.com/4838047
This commit is contained in:
Russ Cox 2011-08-02 14:28:04 -04:00
parent babe3439cc
commit fc567f476a
11 changed files with 63 additions and 24 deletions
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7
src/libthread/thread.c
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@ -91,7 +91,7 @@ threadstart(uint y, uint x)
z |= y;
t = (_Thread*)z;
/*print("threadstart %p\n", v); */
//print("threadstart sp=%p arg=%p startfn=%p t=%p\n", &t, t, t->startfn, t->startarg);
t->startfn(t->startarg);
/*print("threadexits %p\n", v); */
threadexits(nil);
@ -114,17 +114,21 @@ threadalloc(void (*fn)(void*), void *arg, uint stack)
t->stk = (uchar*)(t+1);
t->stksize = stack;
t->id = incref(&threadidref);
//print("fn=%p arg=%p\n", fn, arg);
t->startfn = fn;
t->startarg = arg;
//print("makecontext sp=%p t=%p startfn=%p\n", (char*)t->stk+t->stksize, t, t->startfn);
/* do a reasonable initialization */
memset(&t->context.uc, 0, sizeof t->context.uc);
sigemptyset(&zero);
sigprocmask(SIG_BLOCK, &zero, &t->context.uc.uc_sigmask);
//print("makecontext sp=%p t=%p startfn=%p\n", (char*)t->stk+t->stksize, t, t->startfn);
/* must initialize with current context */
if(getcontext(&t->context.uc) < 0)
sysfatal("threadalloc getcontext: %r");
//print("makecontext sp=%p t=%p startfn=%p\n", (char*)t->stk+t->stksize, t, t->startfn);
/* call makecontext to do the real work. */
/* leave a few words open on both ends */
@ -141,6 +145,7 @@ threadalloc(void (*fn)(void*), void *arg, uint stack)
* function that takes some number of word-sized variables,
* and on 64-bit machines pointers are bigger than words.
*/
//print("makecontext sp=%p t=%p startfn=%p\n", (char*)t->stk+t->stksize, t, t->startfn);
z = (ulong)t;
y = z;
z >>= 16; /* hide undefined 32-bit shift from 32-bit compilers */