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pbx: Create pbx_sw.c for management of 'struct ast_sw'.

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This changes context switches from a linked list to a vector, makes
'struct ast_sw' opaque to pbx.c.

Although ast_walk_context_switches is maintained the procedure is no
longer efficient except for the first call (inc==NULL).  This
functionality is replaced by two new functions implemented by vector
macros.
* ast_context_switches_count (AST_VECTOR_SIZE)
* ast_context_switches_get (AST_VECTOR_GET)

As with ast_walk_context_switches callers of these functions are
expected to have locked contexts.  Only a few places in Asterisk walked
the switches, they have been converted to use the new functions.

Change-Id: I08deb016df22eee8288eb03de62593e45a1f0998
This commit is contained in:
Corey Farrell
2016-07-15 20:28:16 -04:00
parent 3ca6407dab
commit 0c88fb460f
8 changed files with 235 additions and 114 deletions
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6
utils/conf2ael.c
View File

@@ -670,12 +670,6 @@ const struct ast_include *ast_walk_context_includes(const struct ast_context *co
return NULL;
}
struct ast_sw *ast_walk_context_switches(struct ast_context *con, struct ast_sw *sw);
struct ast_sw *ast_walk_context_switches(struct ast_context *con, struct ast_sw *sw)
{
return NULL;
}
struct ast_exten *pbx_find_extension(struct ast_channel *chan,
struct ast_context *bypass,
struct pbx_find_info *q,

13
utils/extconf.c
View File

@@ -4448,6 +4448,19 @@ struct ast_sw *localized_walk_context_switches(struct ast_context *con,
return ast_walk_context_switches(con, sw);
}
int ast_context_switches_count(struct ast_context *con);
int ast_context_switches_count(struct ast_context *con)
{
int c = 0;
struct ast_sw *sw = NULL;
while ((sw = ast_walk_context_switches(con, sw))) {
c++;
}
return c;
}
static struct ast_context *ast_context_find(const char *name);