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Diffstat (limited to 'nuttx/sched/sig_internal.h')
| -rw-r--r-- | nuttx/sched/sig_internal.h | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/nuttx/sched/sig_internal.h b/nuttx/sched/sig_internal.h deleted file mode 100644 index 6c0641742..000000000 --- a/nuttx/sched/sig_internal.h +++ /dev/null @@ -1,190 +0,0 @@ -/**************************************************************************** - * sched/sig_internal.h - * - * Copyright (C) 2007-2009 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -#ifndef __SCHED_SIG_INTERNAL_H -#define __SCHED_SIG_INTERNAL_H - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/compiler.h> - -#include <stdint.h> -#include <queue.h> -#include <sched.h> - -#include <nuttx/kmalloc.h> - -/**************************************************************************** - * Definitions - ****************************************************************************/ - -/* The following definition determines the number of signal structures to - * allocate in a block - */ - -#define NUM_SIGNAL_ACTIONS 16 -#define NUM_PENDING_ACTIONS 16 -#define NUM_PENDING_INT_ACTIONS 8 -#define NUM_SIGNALS_PENDING 16 -#define NUM_INT_SIGNALS_PENDING 8 - -/**************************************************************************** - * Public Type Definitions - ****************************************************************************/ - -enum sigalloc_e -{ - SIG_ALLOC_FIXED = 0, /* pre-allocated; never freed */ - SIG_ALLOC_DYN, /* dynamically allocated; free when unused */ - SIG_ALLOC_IRQ /* Preallocated, reserved for interrupt handling */ -}; -typedef enum sigalloc_e sigalloc_t; - -/* The following defines the sigaction queue entry */ - -struct sigactq -{ - FAR struct sigactq *flink; /* Forward link */ - struct sigaction act; /* Sigaction data */ - uint8_t signo; /* Signal associated with action */ -}; -typedef struct sigactq sigactq_t; - -/* The following defines the queue structure within each TCB to hold pending - * signals received by the task. These are signals that cannot be processed - * because: (1) the task is not waiting for them, or (2) the task has no - * action associated with the signal. - */ - -struct sigpendq -{ - FAR struct sigpendq *flink; /* Forward link */ - siginfo_t info; /* Signal information */ - uint8_t type; /* (Used to manage allocations) */ -}; -typedef struct sigpendq sigpendq_t; - -/* The following defines the queue structure within each TCB to hold queued - * signal actions that need action by the task - */ - -struct sigq_s -{ - FAR struct sigq_s *flink; /* Forward link */ - union - { - void (*sighandler)(int signo, siginfo_t *info, void *context); - } action; /* Signal action */ - sigset_t mask; /* Additional signals to mask while the - * the signal-catching function executes */ - siginfo_t info; /* Signal information */ - uint8_t type; /* (Used to manage allocations) */ -}; -typedef struct sigq_s sigq_t; - -/**************************************************************************** - * Global Variables - ****************************************************************************/ - -/* The g_sigfreeaction data structure is a list of available signal action - * structures. - */ - -extern sq_queue_t g_sigfreeaction; - -/* The g_sigpendingaction data structure is a list of available pending - * signal action structures. - */ - -extern sq_queue_t g_sigpendingaction; - -/* The g_sigpendingirqaction is a list of available pending signal actions - * that are reserved for use by interrupt handlers. - */ - -extern sq_queue_t g_sigpendingirqaction; - -/* The g_sigpendingsignal data structure is a list of available pending - * signal structures. - */ - -extern sq_queue_t g_sigpendingsignal; - -/* The g_sigpendingirqsignal data structure is a list of available pending - * signal structures that are reserved for use by interrupt handlers. - */ - -extern sq_queue_t g_sigpendingirqsignal; - -/**************************************************************************** - * Public Function Prototypes - ****************************************************************************/ - -/* Internal signal-related interfaces ***************************************/ - -/* sig_intialize.c */ - -void weak_function sig_initialize(void); -void sig_allocateactionblock(void); - -/* sig_action.c */ - -void sig_releaseaction(FAR sigactq_t *sigact); - -/* sig_pending.c */ - -sigset_t sig_pendingset(FAR _TCB *stcb); - -/* In files of the same name */ - -FAR sigq_t *sig_allocatependingsigaction(void); -void sig_cleanup(FAR _TCB *stcb); -void sig_deliver(FAR _TCB *stcb); -FAR sigactq_t *sig_findaction(FAR _TCB *stcb, int signo); -int sig_lowest(FAR sigset_t *set); -#ifdef CONFIG_CAN_PASS_STRUCTS -int sig_mqnotempty(int tid, int signo, union sigval value); -#else -int sig_mqnotempty(int tid, int signo, FAR void *sival_ptr); -#endif -int sig_received(FAR _TCB *stcb, FAR siginfo_t *info); -void sig_releasependingsigaction(FAR sigq_t *sigq); -void sig_releasependingsignal(FAR sigpendq_t *sigpend); -FAR sigpendq_t *sig_removependingsignal(FAR _TCB *stcb, int signo); -void sig_unmaskpendingsignal(void); - -#endif /* __SCHED_SIG_INTERNAL_H */ |