update licenses and sync with glibc

1 files changed, 74 insertions, 67 deletions

diff --git a/libc/signal/sigaction.c b/libc/signal/sigaction.c
index eb6b43a49..0ead76ef6 100644
--- a/libc/signal/sigaction.c
+++ b/libc/signal/sigaction.c
@@ -1,107 +1,114 @@
-/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1997,1998,1999,2000,2002,2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
    The GNU C Library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <errno.h>
 #include <signal.h>
 #include <string.h>
+
 #include <sys/syscall.h>
+
+
+/* The difference here is that the sigaction structure used in the
+   kernel is not the same as we use in the libc.  Therefore we must
+   translate it here.  */
 #include <bits/kernel_sigaction.h>
 
+int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact);
 
 #if defined __NR_rt_sigaction
 
 /* If ACT is not NULL, change the action for SIG to *ACT.
    If OACT is not NULL, put the old action for SIG in *OACT.  */
-int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
+int
+__libc_sigaction (sig, act, oact)
+     int sig;
+     const struct sigaction *act;
+     struct sigaction *oact;
 {
-    int result;
-    struct kernel_sigaction kact, koact;
-
-#ifdef SIGCANCEL
-    if (sig == SIGCANCEL) {
-	__set_errno (EINVAL);
-	return -1;
-    }
-#endif
-    if (act) {
-	kact.k_sa_handler = act->sa_handler;
-	memcpy (&kact.sa_mask, &act->sa_mask, sizeof (kact.sa_mask));
-	kact.sa_flags = act->sa_flags;
+	int result;
+	struct kernel_sigaction kact, koact;
+
+	if (act) {
+		kact.k_sa_handler = act->sa_handler;
+		memcpy (&kact.sa_mask, &act->sa_mask, sizeof (kact.sa_mask));
+		kact.sa_flags = act->sa_flags;
 # ifdef HAVE_SA_RESTORER
-	kact.sa_restorer = act->sa_restorer;
+		kact.sa_restorer = act->sa_restorer;
 # endif
-    }
-
-    /* XXX The size argument hopefully will have to be changed to the
-       real size of the user-level sigset_t.  */
-    result = __syscall_rt_sigaction(sig, act ? __ptrvalue (&kact) : NULL,
-	    oact ? __ptrvalue (&koact) : NULL, _NSIG / 8);
-
-    if (oact && result >= 0) {
-	oact->sa_handler = koact.k_sa_handler;
-	memcpy (&oact->sa_mask, &koact.sa_mask, sizeof (oact->sa_mask));
-	oact->sa_flags = koact.sa_flags;
+	}
+	
+	/* XXX The size argument hopefully will have to be changed to the
+	   real size of the user-level sigset_t.  */
+	result = __syscall_rt_sigaction(sig,
+			       act ? __ptrvalue (&kact) : NULL,
+			       oact ? __ptrvalue (&koact) : NULL, _NSIG / 8);
+
+	if (oact && result >= 0) {
+		oact->sa_handler = koact.k_sa_handler;
+		memcpy (&oact->sa_mask, &koact.sa_mask, sizeof (oact->sa_mask));
+		oact->sa_flags = koact.sa_flags;
 # ifdef HAVE_SA_RESTORER
-	oact->sa_restorer = koact.sa_restorer;
+		oact->sa_restorer = koact.sa_restorer;
 # endif
-    }
-    return result;
-}
+	}
 
+	return result;
+}
 
 #else
 
 /* If ACT is not NULL, change the action for SIG to *ACT.
    If OACT is not NULL, put the old action for SIG in *OACT.  */
-int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
+int
+__libc_sigaction (sig, act, oact)
+     int sig;
+     const struct sigaction *act;
+     struct sigaction *oact;
 {
-    int result;
-    struct old_kernel_sigaction kact, koact;
-
-#ifdef SIGCANCEL
-    if (sig == SIGCANCEL) {
-	__set_errno (EINVAL);
-	return -1;
-    }
-#endif
-    if (act) {
-	kact.k_sa_handler = act->sa_handler;
-	kact.sa_mask = act->sa_mask.__val[0];
-	kact.sa_flags = act->sa_flags;
+	int result;
+	struct old_kernel_sigaction kact, koact;
+
+	if (act) {
+		kact.k_sa_handler = act->sa_handler;
+		kact.sa_mask = act->sa_mask.__val[0];
+		kact.sa_flags = act->sa_flags;
 # ifdef HAVE_SA_RESTORER
-	kact.sa_restorer = act->sa_restorer;
+		kact.sa_restorer = act->sa_restorer;
 # endif
-    }
-    result = __syscall_sigaction(sig, act ? __ptrvalue (&kact) : NULL,
-	    oact ? __ptrvalue (&koact) : NULL);
-
-    if (oact && result >= 0) {
-	oact->sa_handler = koact.k_sa_handler;
-	oact->sa_mask.__val[0] = koact.sa_mask;
-	oact->sa_flags = koact.sa_flags;
+	}
+
+	result = __syscall_sigaction(sig,
+			       act ? __ptrvalue (&kact) : NULL,
+			       oact ? __ptrvalue (&koact) : NULL);
+
+	if (oact && result >= 0) {
+		oact->sa_handler = koact.k_sa_handler;
+		oact->sa_mask.__val[0] = koact.sa_mask;
+		oact->sa_flags = koact.sa_flags;
 # ifdef HAVE_SA_RESTORER
-	oact->sa_restorer = koact.sa_restorer;
+		oact->sa_restorer = koact.sa_restorer;
 # endif
-    }
-    return result;
+	}
+
+	return result;
 }
 
 #endif
 
-weak_alias(__libc_sigaction, sigaction)
-
+weak_alias (__libc_sigaction, __sigaction)
+weak_alias (__libc_sigaction, sigaction)