Cleanup.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21986 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/posix/signal.h

@@ -1,8 +1,9 @@
+/*
+ * Copyright 2002-2007, Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ */
 #ifndef _SIGNAL_H_
 #define _SIGNAL_H_
-/* 
-** Distributed under the terms of the OpenBeOS License.
-*/
 
 
 #include <sys/types.h>
@@ -59,9 +60,7 @@ struct sigaction {
 };
 
 
-/*
- * values for sa_flags
- */
+/* values for sa_flags */
 #define SA_NOCLDSTOP	0x01
 #define SA_ONESHOT		0x02
 #define SA_NOMASK		0x04
@@ -73,9 +72,7 @@ struct sigaction {
 #define SA_SIGINFO		0x40
 #define SA_NOCLDWAIT	0x80
 
-/*
- * values for ss_flags
- */
+/* values for ss_flags */
 #define SS_ONSTACK		0x1
 #define SS_DISABLE		0x2
 
@@ -96,14 +93,11 @@ typedef struct sigstack {
 	void	*ss_sp;
 } sigstack;
 
-/*
- * for the 'how' arg of sigprocmask()
- */
+/* for the 'how' arg of sigprocmask() */
 #define SIG_BLOCK    1
 #define SIG_UNBLOCK  2
 #define SIG_SETMASK  3
 
-
 /*
  * The list of all defined signals:
  *
@@ -143,7 +137,6 @@ typedef struct sigstack {
 
 #define SIGBUS		SIGSEGV /* for old style code */
 
-
 /*
  * Signal numbers 30-32 are currently free but may be used in future
  * releases.  Use them at your own peril (if you do use them, at least
@@ -182,12 +175,10 @@ int 	sigismember(const sigset_t *set, int signo);
 const char *strsignal(int sig);
 
 void	set_signal_stack(void *ptr, size_t size);
-int         sigaltstack(const stack_t *ss, stack_t *oss);         /* XXXdbg */
+int		sigaltstack(const stack_t *ss, stack_t *oss);
 
-/* 
- * pthread extension : equivalent of sigprocmask() 
- */
-extern int pthread_sigmask(int how, const sigset_t *set, sigset_t *oset); 
+/* pthread extension : equivalent of sigprocmask()  */
+int		pthread_sigmask(int how, const sigset_t *set, sigset_t *oset); 
 
 extern inline int
 sigismember(const sigset_t *set, int sig)
@@ -253,7 +244,7 @@ sigdelset(sigset_t *set, int sig)
  *
  * The two additional arguments available to the signal handler are extensions
  * to the Posix standard. This feature was introduced by the BeOS and retained
- * by OpenBeOS. However, to remain compatible with Posix and ANSI C, the type
+ * by Haiku. However, to remain compatible with Posix and ANSI C, the type
  * of the sa_handler field is defined as 'sig_func_t'. This requires the handler
  * to be cast when assigned to the sa_handler field, as in the example above.
  *
@@ -261,7 +252,7 @@ sigdelset(sigset_t *set, int sig)
  * This is because they expect a "this" pointer as the first argument.
  *
  *
- * The 3 arguments that OpenBeOS provides to signal handlers are as follows:
+ * The 3 arguments that Haiku provides to signal handlers are as follows:
  *
  *  - The first argument is the (usual) signal number.
  *
@@ -287,6 +278,7 @@ sigdelset(sigset_t *set, int sig)
 
 typedef struct vregs vregs;
 
+// TODO: move those into an architecture specific header
 #if __POWERPC__
 struct vregs
 {