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	The types affected are __sig_atomic_t, sig_atomic_t, __sigset_t, sigset_t, sigval_t, sigevent_t, and siginfo_t. __sig_atomic_t is a scalar, so it's now directly available from bits/types.h. The others get bits/types/ headers. Side effects include: There have been small changes to which non-signal headers expose which subset of the signal-related types. A couple of architectures' nested siginfo_t fields had to be renamed to prevent undesired macro expansion. Internal code that wants to manipulate signal masks must now include <sigsetops.h> (which is not installed) and should be aware that __sigaddset, __sigandset, __sigdelset, __sigemptyset, and __sigorset no longer return a value (unlike the public API). Relatedly, the public signal.h no longer declares any of those functions. The obsolete sigmask() macro no longer has a system-specific definition -- in the cases where it matters, it didn't work anyway. New Linux architectures should create bits/siginfo-arch.h and/or bits/siginfo-consts-arch.h to customize their siginfo_t, rather than duplicating everything in bits/siginfo.h (which no longer exists). Add new __SI_* macros if necessary. Ports to other operating systems are strongly encouraged to generalize this scheme further. * bits/sigevent-consts.h * bits/siginfo-consts.h * bits/types/__sigset_t.h * bits/types/sigevent_t.h * bits/types/siginfo_t.h * sysdeps/unix/sysv/linux/bits/sigevent-consts.h * sysdeps/unix/sysv/linux/bits/siginfo-consts.h * sysdeps/unix/sysv/linux/bits/types/__sigset_t.h * sysdeps/unix/sysv/linux/bits/types/sigevent_t.h * sysdeps/unix/sysv/linux/bits/types/siginfo_t.h: New system-dependent bits headers. * sysdeps/unix/sysv/linux/bits/siginfo-arch.h * sysdeps/unix/sysv/linux/bits/siginfo-consts-arch.h * sysdeps/unix/sysv/linux/ia64/bits/siginfo-arch.h * sysdeps/unix/sysv/linux/ia64/bits/siginfo-consts-arch.h * sysdeps/unix/sysv/linux/mips/bits/siginfo-arch.h * sysdeps/unix/sysv/linux/sparc/bits/siginfo-arch.h * sysdeps/unix/sysv/linux/tile/bits/siginfo-arch.h * sysdeps/unix/sysv/linux/tile/bits/siginfo-consts-arch.h * sysdeps/unix/sysv/linux/x86/bits/siginfo-arch.h: New Linux-only system-dependent bits headers. * signal/bits/types/sig_atomic_t.h * signal/bits/types/sigset_t.h * signal/bits/types/sigval_t.h: New non-system-dependent bits headers. * sysdeps/generic/sigsetops.h * sysdeps/unix/sysv/linux/sigsetops.h: New internal headers. * include/bits/types/sig_atomic_t.h * include/bits/types/sigset_t.h * include/bits/types/sigval_t.h: New wrappers. * signal/sigsetops.h * bits/siginfo.h * bits/sigset.h * sysdeps/unix/sysv/linux/bits/siginfo.h * sysdeps/unix/sysv/linux/bits/sigset.h * sysdeps/unix/sysv/linux/ia64/bits/siginfo.h * sysdeps/unix/sysv/linux/mips/bits/siginfo.h * sysdeps/unix/sysv/linux/s390/bits/siginfo.h * sysdeps/unix/sysv/linux/sparc/bits/siginfo.h * sysdeps/unix/sysv/linux/tile/bits/siginfo.h * sysdeps/unix/sysv/linux/x86/bits/siginfo.h: Deleted. * signal/Makefile, sysdeps/unix/sysv/linux/Makefile: Update lists of installed headers. * posix/bits/types.h: Define __sig_atomic_t here. * signal/signal.h: Use the new bits headers; no need to handle __need_sig_atomic_t nor __need_sigset_t. Don't use __sigmask to define sigmask. * include/signal.h: No need to handle __need_sig_atomic_t nor __need_sigset_t. Don't define __sigemptyset. * io/sys/poll.h, setjmp/setjmp.h * sysdeps/arm/sys/ucontext.h, sysdeps/generic/sys/ucontext.h * sysdeps/i386/sys/ucontext.h, sysdeps/m68k/sys/ucontext.h * sysdeps/mach/hurd/i386/bits/sigcontext.h * sysdeps/mips/sys/ucontext.h, sysdeps/powerpc/novmxsetjmp.h * sysdeps/pthread/bits/sigthread.h * sysdeps/unix/sysv/linux/hppa/sys/ucontext.h * sysdeps/unix/sysv/linux/m68k/sys/ucontext.h * sysdeps/unix/sysv/linux/mips/sys/ucontext.h * sysdeps/unix/sysv/linux/nios2/sys/ucontext.h * sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h * sysdeps/unix/sysv/linux/s390/sys/ucontext.h * sysdeps/unix/sysv/linux/sh/sys/ucontext.h * sysdeps/unix/sysv/linux/sparc/sys/ucontext.h * sysdeps/unix/sysv/linux/tile/sys/ucontext.h * sysdeps/unix/sysv/linux/x86/sys/ucontext.h: Use bits/types/__sigset_t.h. * misc/sys/select.h, posix/spawn.h * sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h * sysdeps/unix/sysv/linux/sys/epoll.h * sysdeps/unix/sysv/linux/sys/signalfd.h: Use bits/types/sigset_t.h. * resolv/netdb.h, rt/mqueue.h: Use bits/types/sigevent_t.h. * rt/aio.h: Use bits/types/sigevent_t.h and bits/sigevent-consts.h. * socket/sys/socket.h: Don't include bits/sigset.h. * login/utmp_file.c, shadow/lckpwdf.c, signal/sigandset.c * signal/sigisempty.c, stdlib/abort.c, sysdeps/posix/profil.c * sysdeps/posix/sigignore.c, sysdeps/posix/sigintr.c * sysdeps/posix/signal.c, sysdeps/posix/sigset.c * sysdeps/posix/sprofil.c, sysdeps/posix/sysv_signal.c * sysdeps/unix/sysv/linux/nptl-signals.h: Include sigsetops.h. * signal/sigaddset.c, signal/sigandset.c, signal/sigdelset.c * signal/sigorset.c, stdlib/abort.c, sysdeps/posix/sigignore.c * sysdeps/posix/signal.c, sysdeps/posix/sigset.c: __sigaddset, __sigandset, __sigdelset, __sigemptyset, __sigorset now return no value. * signal/sigaddset.c, signal/sigdelset.c, signal/sigismem.c Include <errno.h>, <signal.h>, and <sigsetops.h> instead of "sigsetops.h". * signal/sigsetops.c: Explicitly define __sigismember, __sigaddset, and __sigdelset as compatibility symbols. * signal/Versions: Correct commentary on __sigpause, __sigaddset, __sigdelset, __sigismember. * inet/rcmd.c: Include sigsetops.h. Convert old code using __sigblock/__sigsetmask to use __sigprocmask and friends.
		
			
				
	
	
		
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			151 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* siginfo_t constants.  Stub version.
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|    Copyright (C) 1997-2017 Free Software Foundation, Inc.
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|    This file is part of the GNU C Library.
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| 
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|    The GNU C Library is free software; you can redistribute it and/or
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|    modify it under the terms of the GNU Lesser General Public
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|    License as published by the Free Software Foundation; either
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|    version 2.1 of the License, or (at your option) any later version.
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| 
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|    The GNU C Library is distributed in the hope that it will be useful,
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|    but WITHOUT ANY WARRANTY; without even the implied warranty of
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|    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|    Lesser General Public License for more details.
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| 
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|    You should have received a copy of the GNU Lesser General Public
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|    License along with the GNU C Library; if not, see
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|    <http://www.gnu.org/licenses/>.  */
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| 
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| #ifndef _BITS_SIGINFO_CONSTS_H
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| #define _BITS_SIGINFO_CONSTS_H 1
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| 
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| /* Values for `si_code'.  Positive values are reserved for kernel-generated
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|    signals.  */
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| enum
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| {
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|   SI_ASYNCIO = -4,		/* Sent by AIO completion.  */
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| # define SI_ASYNCIO	SI_ASYNCIO
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|   SI_MESGQ,			/* Sent by real time mesq state change.  */
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| # define SI_MESGQ	SI_MESGQ
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|   SI_TIMER,			/* Sent by timer expiration.  */
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| # define SI_TIMER	SI_TIMER
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|   SI_QUEUE,			/* Sent by sigqueue.  */
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| # define SI_QUEUE	SI_QUEUE
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|   SI_USER			/* Sent by kill, sigsend, raise.  */
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| # define SI_USER	SI_USER
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| };
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| 
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| 
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| # if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
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| /* `si_code' values for SIGILL signal.  */
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| enum
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| {
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|   ILL_ILLOPC = 1,		/* Illegal opcode.  */
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| #  define ILL_ILLOPC	ILL_ILLOPC
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|   ILL_ILLOPN,			/* Illegal operand.  */
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| #  define ILL_ILLOPN	ILL_ILLOPN
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|   ILL_ILLADR,			/* Illegal addressing mode.  */
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| #  define ILL_ILLADR	ILL_ILLADR
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|   ILL_ILLTRP,			/* Illegal trap. */
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| #  define ILL_ILLTRP	ILL_ILLTRP
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|   ILL_PRVOPC,			/* Privileged opcode.  */
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| #  define ILL_PRVOPC	ILL_PRVOPC
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|   ILL_PRVREG,			/* Privileged register.  */
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| #  define ILL_PRVREG	ILL_PRVREG
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|   ILL_COPROC,			/* Coprocessor error.  */
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| #  define ILL_COPROC	ILL_COPROC
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|   ILL_BADSTK			/* Internal stack error.  */
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| #  define ILL_BADSTK	ILL_BADSTK
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| };
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| 
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| /* `si_code' values for SIGFPE signal.  */
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| enum
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| {
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|   FPE_INTDIV = 1,		/* Integer divide by zero.  */
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| #  define FPE_INTDIV	FPE_INTDIV
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|   FPE_INTOVF,			/* Integer overflow.  */
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| #  define FPE_INTOVF	FPE_INTOVF
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|   FPE_FLTDIV,			/* Floating point divide by zero.  */
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| #  define FPE_FLTDIV	FPE_FLTDIV
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|   FPE_FLTOVF,			/* Floating point overflow.  */
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| #  define FPE_FLTOVF	FPE_FLTOVF
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|   FPE_FLTUND,			/* Floating point underflow.  */
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| #  define FPE_FLTUND	FPE_FLTUND
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|   FPE_FLTRES,			/* Floating point inexact result.  */
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| #  define FPE_FLTRES	FPE_FLTRES
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|   FPE_FLTINV,			/* Floating point invalid operation.  */
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| #  define FPE_FLTINV	FPE_FLTINV
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|   FPE_FLTSUB			/* Subscript out of range.  */
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| #  define FPE_FLTSUB	FPE_FLTSUB
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| };
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| 
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| /* `si_code' values for SIGSEGV signal.  */
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| enum
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| {
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|   SEGV_MAPERR = 1,		/* Address not mapped to object.  */
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| #  define SEGV_MAPERR	SEGV_MAPERR
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|   SEGV_ACCERR			/* Invalid permissions for mapped object.  */
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| #  define SEGV_ACCERR	SEGV_ACCERR
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| };
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| 
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| /* `si_code' values for SIGBUS signal.  */
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| enum
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| {
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|   BUS_ADRALN = 1,		/* Invalid address alignment.  */
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| #  define BUS_ADRALN	BUS_ADRALN
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|   BUS_ADRERR,			/* Non-existant physical address.  */
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| #  define BUS_ADRERR	BUS_ADRERR
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|   BUS_OBJERR			/* Object specific hardware error.  */
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| #  define BUS_OBJERR	BUS_OBJERR
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| };
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| # endif
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| 
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| # ifdef __USE_XOPEN_EXTENDED
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| /* `si_code' values for SIGTRAP signal.  */
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| enum
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| {
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|   TRAP_BRKPT = 1,		/* Process breakpoint.  */
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| #  define TRAP_BRKPT	TRAP_BRKPT
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|   TRAP_TRACE			/* Process trace trap.  */
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| #  define TRAP_TRACE	TRAP_TRACE
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| };
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| # endif
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| 
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| # if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
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| /* `si_code' values for SIGCHLD signal.  */
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| enum
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| {
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|   CLD_EXITED = 1,		/* Child has exited.  */
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| #  define CLD_EXITED	CLD_EXITED
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|   CLD_KILLED,			/* Child was killed.  */
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| #  define CLD_KILLED	CLD_KILLED
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|   CLD_DUMPED,			/* Child terminated abnormally.  */
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| #  define CLD_DUMPED	CLD_DUMPED
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|   CLD_TRAPPED,			/* Traced child has trapped.  */
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| #  define CLD_TRAPPED	CLD_TRAPPED
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|   CLD_STOPPED,			/* Child has stopped.  */
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| #  define CLD_STOPPED	CLD_STOPPED
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|   CLD_CONTINUED			/* Stopped child has continued.  */
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| #  define CLD_CONTINUED	CLD_CONTINUED
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| };
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| 
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| /* `si_code' values for SIGPOLL signal.  */
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| enum
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| {
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|   POLL_IN = 1,			/* Data input available.  */
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| #  define POLL_IN	POLL_IN
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|   POLL_OUT,			/* Output buffers available.  */
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| #  define POLL_OUT	POLL_OUT
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|   POLL_MSG,			/* Input message available.   */
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| #  define POLL_MSG	POLL_MSG
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|   POLL_ERR,			/* I/O error.  */
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| #  define POLL_ERR	POLL_ERR
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|   POLL_PRI,			/* High priority input available.  */
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| #  define POLL_PRI	POLL_PRI
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|   POLL_HUP			/* Device disconnected.  */
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| #  define POLL_HUP	POLL_HUP
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| };
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| # endif
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| 
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| #endif
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