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sched/signal: move signal structures pool to bss

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Decoupling with memory allocator

Signed-off-by: chao an <anchao@lixiang.com>
This commit is contained in:
chao an 2024-05-29 09:14:53 +08:00 committed by Xiang Xiao
parent 81c140a953
commit 58ad896281
1 changed files with 21 additions and 11 deletions
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32
sched/signal/sig_initialize.c
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@ -33,6 +33,18 @@
#include "signal/signal.h" #include "signal/signal.h"
/****************************************************************************
* Private Type Definitions
****************************************************************************/
struct sigpool_s
{
sigq_t sigq[NUM_PENDING_ACTIONS +
CONFIG_SIG_PREALLOC_IRQ_ACTIONS];
sigpendq_t sigpendq[NUM_SIGNALS_PENDING +
CONFIG_SIG_PREALLOC_IRQ_ACTIONS];
};
/**************************************************************************** /****************************************************************************
* Public Data * Public Data
****************************************************************************/ ****************************************************************************/
@ -68,6 +80,14 @@ sq_queue_t g_sigpendingsignal;
sq_queue_t g_sigpendingirqsignal; sq_queue_t g_sigpendingirqsignal;
/****************************************************************************
* Private Data
****************************************************************************/
/* This is a pool of pre-allocated signal structures buffers */
static struct sigpool_s g_sigpool;
/**************************************************************************** /****************************************************************************
* Private Functions * Private Functions
****************************************************************************/ ****************************************************************************/
@ -134,7 +154,7 @@ static void *nxsig_init_pendingsignalblock(FAR sq_queue_t *siglist,
void nxsig_initialize(void) void nxsig_initialize(void)
{ {
FAR void *sigpool; FAR void *sigpool = &g_sigpool;
sched_trace_begin(); sched_trace_begin();
@ -146,16 +166,6 @@ void nxsig_initialize(void)
sq_init(&g_sigpendingsignal); sq_init(&g_sigpendingsignal);
sq_init(&g_sigpendingirqsignal); sq_init(&g_sigpendingirqsignal);
/* Add a block of signal structures to each list */
sigpool =
kmm_malloc(sizeof(sigq_t) *
(NUM_PENDING_ACTIONS + CONFIG_SIG_PREALLOC_IRQ_ACTIONS)
+ sizeof(sigpendq_t) *
(NUM_SIGNALS_PENDING + CONFIG_SIG_PREALLOC_IRQ_ACTIONS));
DEBUGASSERT(sigpool != NULL);
sigpool = nxsig_init_block(&g_sigpendingaction, sigpool, sigpool = nxsig_init_block(&g_sigpendingaction, sigpool,
NUM_PENDING_ACTIONS, SIG_ALLOC_FIXED); NUM_PENDING_ACTIONS, SIG_ALLOC_FIXED);
sigpool = nxsig_init_block(&g_sigpendingirqaction, sigpool, sigpool = nxsig_init_block(&g_sigpendingirqaction, sigpool,