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Filter: Simpler filter context allocation

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This commit is contained in:
Maria Matejka 2019-07-15 15:23:35 +02:00
parent f634adc7dc
commit 3782454e8d
2 changed files with 21 additions and 24 deletions
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25
filter/filter.c
View file

@ -93,13 +93,8 @@ struct filter_state {
int flags;
};
#if HAVE_THREAD_LOCAL
_Thread_local static struct filter_state filter_state;
_Thread_local static struct filter_stack filter_stack;
#define FS_INIT(...) filter_state = (struct filter_state) { .stack = &filter_stack, __VA_ARGS__ }
#else
#define FS_INIT(...) struct filter_state filter_state = { .stack = alloca(sizeof(struct filter_stack)), __VA_ARGS__ };
#endif
void (*bt_assert_hook)(int result, const struct f_line_item *assert);
@ -279,11 +274,12 @@ f_run(const struct filter *filter, struct rte **rte, struct linpool *tmp_pool, i
DBG( "Running filter `%s'...", filter->name );
/* Initialize the filter state */
FS_INIT(
filter_state = (struct filter_state) {
.stack = &filter_stack,
.rte = rte,
.pool = tmp_pool,
.flags = flags,
);
};
LOG_BUFFER_INIT(filter_state.buf);
@ -342,10 +338,11 @@ f_run(const struct filter *filter, struct rte **rte, struct linpool *tmp_pool, i
enum filter_return
f_eval_rte(const struct f_line *expr, struct rte **rte, struct linpool *tmp_pool)
{
FS_INIT(
filter_state = (struct filter_state) {
.stack = &filter_stack,
.rte = rte,
.pool = tmp_pool,
);
};
LOG_BUFFER_INIT(filter_state.buf);
@ -364,9 +361,10 @@ f_eval_rte(const struct f_line *expr, struct rte **rte, struct linpool *tmp_pool
enum filter_return
f_eval(const struct f_line *expr, struct linpool *tmp_pool, struct f_val *pres)
{
FS_INIT(
filter_state = (struct filter_state) {
.stack = &filter_stack,
.pool = tmp_pool,
);
};
LOG_BUFFER_INIT(filter_state.buf);
@ -383,9 +381,10 @@ uint
f_eval_int(const struct f_line *expr)
{
/* Called independently in parse-time to eval expressions */
FS_INIT(
filter_state = (struct filter_state) {
.stack = &filter_stack,
.pool = cfg_mem,
);
};
struct f_val val;

6
lib/birdlib.h
View file

@ -73,10 +73,8 @@ static inline int u64_cmp(u64 i1, u64 i2)
#define UNUSED __attribute__((unused))
#define PACKED __attribute__((packed))
#ifdef HAVE_THREAD_LOCAL
#define THREAD_LOCAL _Thread_local
#else
#define THREAD_LOCAL
#ifndef HAVE_THREAD_LOCAL
#define _Thread_local
#endif
/* Microsecond time */