Trivial changes: whitespace and modes.

Remote whitespace at the ends of lines.
Remove blank lines from the ends of files.
Change modes on source files so that they
are not executable.

Signed-off-by: Dan Cross <cross@gajendra.net>

src/libthread/386-ucontext.h

@@ -16,7 +16,7 @@ extern	void		setmcontext(mcontext_t*);
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer 
+ *    notice, this list of conditions and the following disclaimer
  *    in this position and unchanged.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ -48,7 +48,7 @@ extern	void		setmcontext(mcontext_t*);
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer 
+ *    notice, this list of conditions and the following disclaimer
  *    in this position and unchanged.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ -117,5 +117,3 @@ struct ucontext {
 	stack_t		uc_stack;
 	int		__spare__[8];
 };
-
-

src/libthread/BSD.c

@@ -288,7 +288,7 @@ threadexitsall(char *msg)
 	if(msg == nil)
 		msg = "";
 
-	/* 
+	/*
 	 * Only one guy, ever, gets to run this.
 	 * If two guys do it, inevitably they end up
 	 * tripping over each other in the underlying
@@ -401,4 +401,3 @@ _threadpexit(void)
 {
 	_exit(0);
 }
-

src/libthread/Darwin-386.c

@@ -28,4 +28,3 @@ swapcontext(ucontext_t *oucp, ucontext_t *ucp)
 		setcontext(ucp);
 	return 0;
 }
-

src/libthread/Darwin-power.c

@@ -7,7 +7,7 @@ makecontext(ucontext_t *ucp, void (*func)(void), int argc, ...)
 	va_list arg;
 
 	tos = (ulong*)ucp->uc_stack.ss_sp+ucp->uc_stack.ss_size/sizeof(ulong);
-	sp = tos - 16;	
+	sp = tos - 16;
 	ucp->mc.pc = (long)func;
 	ucp->mc.sp = (long)sp;
 	va_start(arg, argc);
@@ -22,4 +22,3 @@ swapcontext(ucontext_t *oucp, ucontext_t *ucp)
 		setcontext(ucp);
 	return 0;
 }
-

src/libthread/Darwin-x86_64-swapcontext.c

@@ -28,5 +28,3 @@ swapcontext(ucontext_t *oucp, ucontext_t *ucp)
 		setcontext(ucp);
 	return 0;
 }
-
-

src/libthread/Linux-arm-swapcontext.c

@@ -22,5 +22,3 @@ swapcontext(ucontext_t *oucp, const ucontext_t *ucp)
 		setcontext(ucp);
 	return 0;
 }
-
-

src/libthread/Linux-sparc64-swapcontext.c

@@ -47,4 +47,3 @@ __swapcontext_ret:					\n\
 	 clr	%o0					\n\
 	.size	__swapcontext_ret, .-__swapcontext_ret	\n\
      ");
-

src/libthread/Linux.c

@@ -6,13 +6,13 @@
 static int
 timefmt(Fmt *fmt)
 {
-	static char *mon[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", 
+	static char *mon[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
 		"Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
 	vlong ns;
 	Tm tm;
 	ns = nsec();
 	tm = *localtime(time(0));
-	return fmtprint(fmt, "%s %2d %02d:%02d:%02d.%03d", 
+	return fmtprint(fmt, "%s %2d %02d:%02d:%02d.%03d",
 		mon[tm.mon], tm.mday, tm.hour, tm.min, tm.sec,
 		(int)(ns%1000000000)/1000000);
 }
@@ -246,8 +246,8 @@ startprocfn(void *v)
 
 /*
  * indirect through here so that parent need not wait for child zombie
- * 
- * slight race - if child exits and then another process starts before we 
+ *
+ * slight race - if child exits and then another process starts before we
  * manage to exit, we'll be running on a freed stack.
  */
 static int
@@ -314,7 +314,7 @@ threadexitsall(char *msg)
 	if(msg == nil)
 		msg = "";
 
-	/* 
+	/*
 	 * Only one guy, ever, gets to run this.
 	 * If two guys do it, inevitably they end up
 	 * tripping over each other in the underlying
@@ -442,7 +442,7 @@ makecontext(ucontext_t *uc, void (*fn)(void), int argc, ...)
 {
 	int i, *sp;
 	va_list arg;
-	
+
 	sp = (int*)uc->uc_stack.ss_sp+uc->uc_stack.ss_size/4;
 	va_start(arg, argc);
 	for(i=0; i<4 && i<argc; i++)
@@ -460,4 +460,3 @@ swapcontext(ucontext_t *oucp, const ucontext_t *ucp)
 	return 0;
 }
 #endif
-

src/libthread/NetBSD.c

@@ -1,2 +1 @@
 #include "Linux.c"
-

src/libthread/OpenBSD-386.c

@@ -20,4 +20,3 @@ swapcontext(ucontext_t *oucp, ucontext_t *ucp)
 		setcontext(ucp);
 	return 0;
 }
-

src/libthread/OpenBSD-power.c

@@ -22,4 +22,3 @@ swapcontext(ucontext_t *oucp, ucontext_t *ucp)
 		setcontext(ucp);
 	return 0;
 }
-

src/libthread/OpenBSD-x86_64.c

@@ -28,5 +28,3 @@ swapcontext(ucontext_t *oucp, ucontext_t *ucp)
 		setcontext(ucp);
 	return 0;
 }
-
-

src/libthread/channel.c

@@ -5,10 +5,10 @@
  * You have to put locks in all the channels and all the Alt
  * structures.  At the beginning of an alt you have to lock all
  * the channels, but then to try to actually exec an op you
- * have to lock the other guy's alt structure, so that other 
+ * have to lock the other guy's alt structure, so that other
  * people aren't trying to use him in some other op at the
  * same time.
- * 
+ *
  * For Plan 9 apps, it's just not worth the extra effort.
  */
 static QLock chanlock;
@@ -415,4 +415,3 @@ channbrecvul(Channel *c)
 		return val;
 	return -1;
 }
-

src/libthread/daemonize.c

@@ -66,13 +66,13 @@ sigpass(int sig)
 		kill(sigpid, sig);
 }
 
-static int sigs[] = 
+static int sigs[] =
 {
 	SIGHUP, SIGINT, SIGQUIT, SIGILL,
 	SIGTRAP, SIGABRT, SIGBUS, SIGFPE,
 	SIGUSR1, SIGSEGV, SIGUSR2, SIGPIPE,
 	SIGALRM, SIGTERM, SIGCHLD, SIGSTOP,
-	/*SIGTSTP, SIGTTIN, SIGTTOU,*/ SIGURG, 
+	/*SIGTSTP, SIGTTIN, SIGTTOU,*/ SIGURG,
 	SIGXCPU, SIGXFSZ, SIGVTALRM, SIGPROF,
 #ifdef SIGWINCH
 	SIGWINCH,
@@ -84,7 +84,7 @@ static int sigs[] =
 	SIGEMT,
 #endif
 #ifdef SIGPWR
-	SIGPWR, 
+	SIGPWR,
 #endif
 #ifdef SIGINFO
 	SIGINFO,

src/libthread/exec.c

@@ -206,4 +206,3 @@ threadexecl(Channel *cpid, int fd[3], char *cmd, ...)
 	if(pid >= 0)
 		threadexits("threadexecl");
 }
-

src/libthread/ioproc.h

@@ -11,4 +11,3 @@ struct Ioproc
 	char err[ERRMAX];
 	Ioproc *next;
 };
-

src/libthread/power-ucontext.h

@@ -34,4 +34,3 @@ void makecontext(ucontext_t*, void(*)(void), int, ...);
 int swapcontext(ucontext_t*, ucontext_t*);
 int _getmcontext(mcontext_t*);
 void _setmcontext(mcontext_t*);
-

src/libthread/sparc-ucontext.h

@@ -21,4 +21,3 @@ void makecontext(ucontext_t*, void(*)(void), int, ...);
 int swapcontext(ucontext_t*, ucontext_t*);
 int _getmcontext(mcontext_t*);
 void _setmcontext(mcontext_t*);
-

src/libthread/test/thello.c

@@ -7,4 +7,3 @@ threadmain(int argc, char **argv)
 {
 	print("hello, world\n");
 }
-

src/libthread/thread.c

@@ -137,7 +137,7 @@ threadalloc(void (*fn)(void*), void *arg, uint stack)
 	t->context.uc.uc_stack.ss_size = t->stksize-64;
 #if defined(__sun__) && !defined(__MAKECONTEXT_V2_SOURCE)		/* sigh */
 	/* can avoid this with __MAKECONTEXT_V2_SOURCE but only on SunOS 5.9 */
-	t->context.uc.uc_stack.ss_sp = 
+	t->context.uc.uc_stack.ss_sp =
 		(char*)t->context.uc.uc_stack.ss_sp
 		+t->context.uc.uc_stack.ss_size;
 #endif
@@ -164,7 +164,7 @@ _threadcreate(Proc *p, void (*fn)(void*), void *arg, uint stack)
 	/* defend against bad C libraries */
 	if(stack < (256<<10))
 		stack = 256<<10;
-	
+
 	t = threadalloc(fn, arg, stack);
 	t->proc = p;
 	addthreadinproc(p, t);
@@ -228,7 +228,7 @@ threadidle(void)
 {
 	int n;
 	Proc *p;
-	
+
 	p = proc();
 	n = p->nswitch;
 	lock(&p->lock);
@@ -466,7 +466,7 @@ int
 threadid(void)
 {
 	_Thread *t;
-	
+
 	t = proc()->thread;
 	return t->id;
 }
@@ -534,7 +534,7 @@ static void
 threadqunlock(QLock *l, ulong pc)
 {
 	_Thread *ready;
-	
+
 	lock(&l->l);
 /*print("qlock unlock %p @%#x by %p (owner %p)\n", l, pc, (*threadnow)(), l->owner); */
 	if(l->owner == 0){
@@ -578,7 +578,7 @@ threadrlock(RWLock *l, int block, ulong pc)
 	addthread(&l->rwaiting, (*threadnow)());
 	unlock(&l->l);
 	_threadswitch();
-	return 1;	
+	return 1;
 }
 
 static int
@@ -677,7 +677,7 @@ threadrwakeup(Rendez *r, int all, ulong pc)
 		if((t = r->waiting.head) == nil)
 			break;
 		delthread(&r->waiting, t);
-		_threadready(t);	
+		_threadready(t);
 	}
 	return i;
 }
@@ -865,7 +865,7 @@ delproc(Proc *p)
 	unlock(&_threadprocslock);
 }
 
-/* 
+/*
  * notify - for now just use the usual mechanisms
  */
 void
@@ -901,14 +901,12 @@ threadinfo(void *v, char *s)
 		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" : 
+			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;
 }
-
-

src/libthread/threadimpl.h

@@ -28,7 +28,7 @@ extern	void		makecontext(ucontext_t*, void(*)(), int, ...);
 	/*
 	 * OS X before 10.5 (Leopard) does not provide
 	 * swapcontext nor makecontext, so we have to use our own.
-	 * In theory, Leopard does provide them, but when we use 
+	 * In theory, Leopard does provide them, but when we use
 	 * them, they seg fault.  Maybe we're using them wrong.
 	 * So just use our own versions, even on Leopard.
 	 */

src/libthread/wait.c

@@ -29,11 +29,11 @@ procwait(int pid)
 	Waiter me;
 	Waitmsg *msg;
 	int i;
-	
+
 	memset(&me, 0, sizeof me);
 	me.pid = pid;
 	me.r.l = &waiting.lk;
-	
+
 	qlock(&waiting.lk);
 	for(i=0; i<waiting.nmsg; i++){
 		if(waiting.msg[i]->pid == pid){

src/libthread/x86_64-ucontext.h

@@ -40,4 +40,3 @@ void makecontext(ucontext_t*, void(*)(void), int, ...);
 int swapcontext(ucontext_t*, ucontext_t*);
 int libthread_getmcontext(mcontext_t*);
 void libthread_setmcontext(mcontext_t*);
-