Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757207AbZD0Olw (ORCPT ); Mon, 27 Apr 2009 10:41:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757168AbZD0OlS (ORCPT ); Mon, 27 Apr 2009 10:41:18 -0400 Received: from moutng.kundenserver.de ([212.227.126.187]:62929 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757078AbZD0OlR (ORCPT ); Mon, 27 Apr 2009 10:41:17 -0400 Message-Id: <20090427143737.584097988@arndb.de> From: To: unlisted-recipients:; (no To-header on input) Date: Mon, 27 Apr 2009 10:41:17 -0400 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5093 Lines: 192 >From arnd@arndb.de Mon Apr 27 16:28:40 2009 References: <20090427142010.587518220@arndb.de> User-Agent: quilt/0.46-1 Date: Mon, 27 Apr 2009 16:20:16 +0200 From: arnd@arndb.de To: linux-kernel@vger.kernel.org Cc: john.williams@petalogix.com, monstr@monstr.eu, linux-api@vger.kernel.org, linux-arch@vger.kernel.org, liqin.chen@sunplusct.com, Sam Ravnborg , Remis Lima Baima Subject: [RFC 06/17] asm-generic: add a complete signal.h Content-Disposition: inline; filename=add-generic-signal-h.patch X-Provags-ID: V01U2FsdGVkX1+9fyV5xiB/uv57e+JOHz1p/SO7dXImpty2qjk qJlT1Ill8RsfbwF39tmrVDe2R5QILPHgAXX1/8KQ3m3F7IAuZ2 mpIv26Pn+3mqK9UXgjM9g== There used to be an asm-generic/signal.h, but not one that could be used out of the box. This renames the existing file to asm-generic/signal-defs.h and adds a new asm-generic/signal.h with common definitions for sigaction and sigaltstack, but not for the old-style signal handlers. New architectures should only implement rt-signals and use this generic header. Signed-off-by: Arnd Bergmann Signed-off-by: Remis Lima Baima --- --- include/asm-generic/Kbuild | 1 1 + 0 - 0 ! include/asm-generic/signal.h | 131 131 + 0 - 0 ! 2 files changed, 132 insertions(+) Index: linux-2.6/include/asm-generic/signal.h =================================================================== --- /dev/null +++ linux-2.6/include/asm-generic/signal.h @@ -0,0 +1,131 @@ +#ifndef __ASM_GENERIC_SIGNAL_H +#define __ASM_GENERIC_SIGNAL_H + +#include + +#define _NSIG 64 +#define _NSIG_BPW __BITS_PER_LONG +#define _NSIG_WORDS (_NSIG / _NSIG_BPW) + +#define SIGHUP 1 +#define SIGINT 2 +#define SIGQUIT 3 +#define SIGILL 4 +#define SIGTRAP 5 +#define SIGABRT 6 +#define SIGIOT 6 +#define SIGBUS 7 +#define SIGFPE 8 +#define SIGKILL 9 +#define SIGUSR1 10 +#define SIGSEGV 11 +#define SIGUSR2 12 +#define SIGPIPE 13 +#define SIGALRM 14 +#define SIGTERM 15 +#define SIGSTKFLT 16 +#define SIGCHLD 17 +#define SIGCONT 18 +#define SIGSTOP 19 +#define SIGTSTP 20 +#define SIGTTIN 21 +#define SIGTTOU 22 +#define SIGURG 23 +#define SIGXCPU 24 +#define SIGXFSZ 25 +#define SIGVTALRM 26 +#define SIGPROF 27 +#define SIGWINCH 28 +#define SIGIO 29 +#define SIGPOLL SIGIO +/* +#define SIGLOST 29 +*/ +#define SIGPWR 30 +#define SIGSYS 31 +#define SIGUNUSED 31 + +/* These should not be considered constants from userland. */ +#define SIGRTMIN 32 +#ifndef SIGRTMAX +#define SIGRTMAX _NSIG +#endif + +/* + * SA_FLAGS values: + * + * SA_ONSTACK indicates that a registered stack_t will be used. + * SA_RESTART flag to get restarting signals (which were the default long ago) + * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. + * SA_RESETHAND clears the handler when the signal is delivered. + * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. + * SA_NODEFER prevents the current signal from being masked in the handler. + * + * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single + * Unix names RESETHAND and NODEFER respectively. + */ +#define SA_NOCLDSTOP 0x00000001 +#define SA_NOCLDWAIT 0x00000002 +#define SA_SIGINFO 0x00000004 +#define SA_ONSTACK 0x08000000 +#define SA_RESTART 0x10000000 +#define SA_NODEFER 0x40000000 +#define SA_RESETHAND 0x80000000 + +#define SA_NOMASK SA_NODEFER +#define SA_ONESHOT SA_RESETHAND + +/* + * New architectures should not define the obsolete + * SA_RESTORER 0x04000000 + */ + +/* + * sigaltstack controls + */ +#define SS_ONSTACK 1 +#define SS_DISABLE 2 + +#define MINSIGSTKSZ 2048 +#define SIGSTKSZ 8192 + +#ifndef __ASSEMBLY__ +typedef struct { + unsigned long sig[_NSIG_WORDS]; +} sigset_t; + +/* not actually used, but required for linux/syscalls.h */ +typedef unsigned long old_sigset_t; + +#include + +struct sigaction { + __sighandler_t sa_handler; + unsigned long sa_flags; +#ifdef SA_RESTORER + __sigrestore_t sa_restorer; +#endif + sigset_t sa_mask; /* mask last for extensibility */ +}; + +struct k_sigaction { + struct sigaction sa; +}; + +typedef struct sigaltstack { + void __user *ss_sp; + int ss_flags; + size_t ss_size; +} stack_t; + +#ifdef __KERNEL__ + +#include +#undef __HAVE_ARCH_SIG_BITOPS + +#define ptrace_signal_deliver(regs, cookie) do { } while (0) + +#endif /* __KERNEL__ */ +#endif /* __ASSEMBLY__ */ + +#endif /* _ASM_GENERIC_SIGNAL_H */ Index: linux-2.6/include/asm-generic/Kbuild =================================================================== --- linux-2.6.orig/include/asm-generic/Kbuild +++ linux-2.6/include/asm-generic/Kbuild @@ -5,6 +5,7 @@ header-y += ioctl.h header-y += mman-common.h header-y += poll.h header-y += signal-defs.h +header-y += signal.h header-y += statfs.h header-y += termios.h -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/