diff options
Diffstat (limited to 'nuttx/sched/sig_initialize.c')
| -rw-r--r-- | nuttx/sched/sig_initialize.c | 72 |
1 files changed, 39 insertions, 33 deletions
diff --git a/nuttx/sched/sig_initialize.c b/nuttx/sched/sig_initialize.c index 4c225350a..966d818a1 100644 --- a/nuttx/sched/sig_initialize.c +++ b/nuttx/sched/sig_initialize.c @@ -2,7 +2,7 @@ * sched/sig_initialize.c * * Copyright (C) 2007, 2009, 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * 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 @@ -58,33 +58,33 @@ * Global Variables ************************************************************************/ -/* The g_sigfreeaction data structure is a list of available - * signal action structures. */ +/* The g_sigfreeaction data structure is a list of available signal + * action structures. + */ sq_queue_t g_sigfreeaction; -/* The g_sigpendingaction data structure is a list of available - * pending signal action structures. +/* The g_sigpendingaction data structure is a list of available pending + * signal action structures. */ sq_queue_t g_sigpendingaction; -/* The g_sigpendingirqaction is a list of available - * pending signal actions that are reserved for use by - * interrupt handlers. +/* The g_sigpendingirqaction is a list of available pending signal actions + * that are reserved for use by interrupt handlers. */ sq_queue_t g_sigpendingirqaction; -/* The g_sigpendingsignal data structure is a list of - * available pending signal structures. +/* The g_sigpendingsignal data structure is a list of available pending + * signal structures. */ 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. +/* The g_sigpendingirqsignal data structure is a list of available + * pending signal structures that are reserved for use by interrupt + * handlers. */ sq_queue_t g_sigpendingirqsignal; @@ -93,32 +93,32 @@ sq_queue_t g_sigpendingirqsignal; * Private Variables ************************************************************************/ -/* g_sigactionalloc is a pointer to the start of the - * allocated blocks of signal actions. +/* g_sigactionalloc is a pointer to the start of the allocated blocks of + * signal actions. */ static sigactq_t *g_sigactionalloc; -/* g_sigpendingactionalloc is a pointer to the start of the - * allocated blocks of pending signal actions. +/* g_sigpendingactionalloc is a pointer to the start of the allocated + * blocks of pending signal actions. */ static sigq_t *g_sigpendingactionalloc; -/* g_sigpendingirqactionalloc is a pointer to the start of - * the allocated block of pending signal actions. +/* g_sigpendingirqactionalloc is a pointer to the start of the allocated + * block of pending signal actions. */ static sigq_t *g_sigpendingirqactionalloc; -/* g_sigpendingsignalalloc is a pointer to the start of the - * allocated blocks of pending signals. +/* g_sigpendingsignalalloc is a pointer to the start of the allocated + * blocks of pending signals. */ static sigpendq_t *g_sigpendingsignalalloc; -/* g_sigpendingirqsignalalloc is a pointer to the start of - * the allocated blocks of pending signals. +/* g_sigpendingirqsignalalloc is a pointer to the start of the allocated + * blocks of pending signals. */ static sigpendq_t *g_sigpendingirqsignalalloc; @@ -137,7 +137,7 @@ static sigpendq_t *sig_allocatependingsignalblock(sq_queue_t *siglist, ************************************************************************/ /************************************************************************ - * Function: sig_allocateblock + * Name: sig_allocateblock * * Description: * Allocate a block of pending signal actions and place them @@ -167,15 +167,16 @@ static sigq_t *sig_allocateblock(sq_queue_t *siglist, uint16_t nsigs, } /************************************************************************ - * Function: sig_allocatependingsignalblock + * Name: sig_allocatependingsignalblock * * Description: - * Allocate a block of pending signal structures and place them - * on the free list. + * Allocate a block of pending signal structures and place them on + * the free list. + * ************************************************************************/ static sigpendq_t *sig_allocatependingsignalblock(sq_queue_t *siglist, - uint16_t nsigs, uint8_t sigtype) + uint16_t nsigs, uint8_t sigtype) { sigpendq_t *sigpendalloc; sigpendq_t *sigpend; @@ -201,10 +202,11 @@ static sigpendq_t *sig_allocatependingsignalblock(sq_queue_t *siglist, ************************************************************************/ /************************************************************************ - * Function: sig_initialize + * Name: sig_initialize * * Description: - * Perform one-time power-up initialization + * Perform one-time power-up initialization + * ************************************************************************/ void sig_initialize(void) @@ -218,19 +220,24 @@ void sig_initialize(void) sq_init(&g_sigpendingirqsignal); /* Add a block of signal structures to each list */ + g_sigpendingactionalloc = sig_allocateblock(&g_sigpendingaction, NUM_PENDING_ACTIONS, SIG_ALLOC_FIXED); + g_sigpendingirqactionalloc = sig_allocateblock(&g_sigpendingirqaction, NUM_PENDING_INT_ACTIONS, SIG_ALLOC_IRQ); + sig_allocateactionblock(); + g_sigpendingsignalalloc = sig_allocatependingsignalblock(&g_sigpendingsignal, NUM_SIGNALS_PENDING, SIG_ALLOC_FIXED); + g_sigpendingirqsignalalloc = sig_allocatependingsignalblock(&g_sigpendingirqsignal, NUM_INT_SIGNALS_PENDING, @@ -238,11 +245,12 @@ void sig_initialize(void) } /************************************************************************ - * Function: sig_allocateactionblock + * Name: sig_allocateactionblock * * Description: * Allocate a block of signal actions and place them * on the free list. + * ************************************************************************/ void sig_allocateactionblock(void) @@ -261,5 +269,3 @@ void sig_allocateactionblock(void) sq_addlast((FAR sq_entry_t*)sigact++, &g_sigfreeaction); } } - - |