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rename chandup() and clarify its usage

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@145027 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
2008-09-28 17:08:12 +00:00
parent d0dd58548f
commit de6656902d
1 changed files with 13 additions and 10 deletions
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23
channels/chan_dahdi.c
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@@ -8943,7 +8943,12 @@ static inline int available(struct dahdi_pvt *p, int channelmatch, ast_group_t g
return 1;
}
static struct dahdi_pvt *chandup(struct dahdi_pvt *src)
/* This function can *ONLY* be used for copying pseudo (CHAN_PSEUDO) private
structures; it makes no attempt to safely copy regular channel private
structures that might contain reference-counted object pointers and other
scary bits
*/
static struct dahdi_pvt *duplicate_pseudo(struct dahdi_pvt *src)
{
struct dahdi_pvt *p;
struct dahdi_bufferinfo bi;
@@ -8953,7 +8958,6 @@ static struct dahdi_pvt *chandup(struct dahdi_pvt *src)
memcpy(p, src, sizeof(struct dahdi_pvt));
ast_mutex_init(&p->lock);
p->subs[SUB_REAL].dfd = dahdi_open("/dev/dahdi/pseudo");
/* Allocate a dahdi structure */
if (p->subs[SUB_REAL].dfd < 0) {
ast_log(LOG_ERROR, "Unable to dup channel: %s\n", strerror(errno));
destroy_dahdi_pvt(&p);
@@ -9155,7 +9159,7 @@ static struct ast_channel *dahdi_request(const char *type, int format, void *dat
}
#endif
if (p->channel == CHAN_PSEUDO) {
p = chandup(p);
p = duplicate_pseudo(p);
if (!p) {
break;
}
@@ -14525,14 +14529,13 @@ static int process_dahdi(struct dahdi_chan_conf *confp, const char *cat, struct
/*< \todo why check for the pseudo in the per-channel section.
* Any actual use for manual setup of the pseudo channel? */
if (!found_pseudo && reload == 0) {
/* Make sure pseudo isn't a member of any groups if
we're automatically making it. */
confp->chan.group = 0;
confp->chan.callgroup = 0;
confp->chan.pickupgroup = 0;
/* use the default configuration for a channel, so
that any settings from real configured channels
don't "leak" into the pseudo channel config
*/
struct dahdi_chan_conf conf = dahdi_chan_conf_default();
tmp = mkintf(CHAN_PSEUDO, confp, NULL, reload);
tmp = mkintf(CHAN_PSEUDO, &conf, NULL, reload);
if (tmp) {
ast_verb(3, "Automatically generated pseudo channel\n");