epoc32/include/libc/sys/signal.h
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
parent 2 2fe1408b6811
permissions -rw-r--r--
Current Symbian^3 public API header files (from PDK 3.0.h)
This is the epoc32/include tree with the "platform" subtrees removed, and
all but a selected few mbg and rsg files removed.
     1 /*
     2 * Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
     3 * All rights reserved.
     4 * This component and the accompanying materials are made available
     5 * under the terms of "Eclipse Public License v1.0"
     6 * which accompanies this distribution, and is available
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
     8 *
     9 * Initial Contributors:
    10 * Nokia Corporation - initial contribution.
    11 *
    12 * Contributors:
    13 *
    14 * Description:
    15 *
    16 */
    17 
    18 
    19 
    20 /**
    21  @file
    22  @publishedAll
    23  @released
    24 */
    25 
    26 #ifndef _SYS_SIGNAL_H
    27 #define _SYS_SIGNAL_H
    28 
    29 #ifndef _STRICT_ANSI
    30 
    31 typedef unsigned long sigset_t;
    32 
    33 struct sigaction 
    34 {
    35 	void (*sa_handler)();
    36 	sigset_t sa_mask;
    37 	int sa_flags;
    38 };
    39 
    40 #define SA_NOCLDSTOP 1	/* only value supported now for sa_flags */
    41 #define SIG_SETMASK 0	/* set mask with sigprocmask() */
    42 #define SIG_BLOCK 1	/* set of signals to block */
    43 #define SIG_UNBLOCK 2	/* set of signals to, well, unblock */
    44 
    45 
    46 /**
    47 These depend upon the type of sigset_t, which right now 
    48 is always a long.. They're in the POSIX namespace, but
    49 are not ANSI. 
    50 */
    51 #define sigaddset(what,sig) (*(what) |= (1<<(sig)))
    52 #define sigemptyset(what)   (*(what) = 0)
    53 
    54 int sigprocmask (int how, const sigset_t *a, sigset_t *b);
    55 #endif /* _STRICT_ANSI */
    56 
    57 
    58 #define	SIGHUP	1	/* hangup */
    59 #define	SIGINT	2	/* interrupt */
    60 #define	SIGQUIT	3	/* quit */
    61 #define	SIGILL	4	/* illegal instruction (not reset when caught) */
    62 #define	SIGTRAP	5	/* trace trap (not reset when caught) */
    63 #define	SIGIOT	6	/* IOT instruction */
    64 #define	SIGABRT 6	/* used by abort, replace SIGIOT in the future */
    65 #define	SIGEMT	7	/* EMT instruction */
    66 #define	SIGFPE	8	/* floating point exception */
    67 #define	SIGKILL	9	/* kill (cannot be caught or ignored) */
    68 #define	SIGBUS	10	/* bus error */
    69 #define	SIGSEGV	11	/* segmentation violation */
    70 #define	SIGSYS	12	/* bad argument to system call */
    71 #define	SIGPIPE	13	/* write on a pipe with no one to read it */
    72 #define	SIGALRM	14	/* alarm clock */
    73 #define	SIGTERM	15	/* software termination signal from kill */
    74 #define	SIGUSR1	16
    75 #define SIGUSR2	17
    76 #define SIGCLD	18
    77 #define	SIGPWR	19
    78 #define SIGWINCH 20
    79 #define	SIGPOLL	22	/* 20 for x.out binaries!!!! */
    80 #define	SIGSTOP	23	/* sendable stop signal not from tty */
    81 #define	SIGTSTP	24	/* stop signal from tty */
    82 #define	SIGCONT	25	/* continue a stopped process */
    83 #define	SIGTTIN	26	/* to readers pgrp upon background tty read */
    84 #define	SIGTTOU	27	/* like TTIN for output if (tp->t_local&LTOSTOP) */
    85 #define NSIG	28	
    86 
    87 #endif /* _SYS_SIGNAL_H */