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sd-resolve: introduce sd_resolve_query_{get,set}_destroy_callback()

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This commit is contained in:
Yu Watanabe 2018-11-04 00:56:58 +09:00
parent 201bf07f7c
commit a8319dea1d
2 changed files with 23 additions and 0 deletions
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20
src/libsystemd/sd-resolve/sd-resolve.c
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@ -94,6 +94,7 @@ struct sd_resolve_query {
};
void *userdata;
sd_resolve_destroy_t destroy_callback;
LIST_FIELDS(sd_resolve_query, queries);
};
@ -1095,6 +1096,9 @@ static sd_resolve_query *resolve_query_free(sd_resolve_query *q) {
resolve_query_disconnect(q);
if (q->destroy_callback)
q->destroy_callback(q->userdata);
resolve_freeaddrinfo(q->addrinfo);
free(q->host);
free(q->serv);
@ -1137,6 +1141,22 @@ _public_ sd_resolve *sd_resolve_query_get_resolve(sd_resolve_query *q) {
return q->resolve;
}
_public_ int sd_resolve_query_get_destroy_callback(sd_resolve_query *q, sd_resolve_destroy_t *destroy_callback) {
assert_return(q, -EINVAL);
if (destroy_callback)
*destroy_callback = q->destroy_callback;
return !!q->destroy_callback;
}
_public_ int sd_resolve_query_set_destroy_callback(sd_resolve_query *q, sd_resolve_destroy_t destroy_callback) {
assert_return(q, -EINVAL);
q->destroy_callback = destroy_callback;
return 0;
}
static int io_callback(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
sd_resolve *resolve = userdata;
int r;

3
src/systemd/sd-resolve.h
View File

@ -42,6 +42,7 @@ typedef struct sd_resolve_query sd_resolve_query;
/* A callback on completion */
typedef int (*sd_resolve_getaddrinfo_handler_t)(sd_resolve_query *q, int ret, const struct addrinfo *ai, void *userdata);
typedef int (*sd_resolve_getnameinfo_handler_t)(sd_resolve_query *q, int ret, const char *host, const char *serv, void *userdata);
typedef void (*sd_resolve_destroy_t)(void *userdata);
enum {
SD_RESOLVE_GET_HOST = 1 << 0,
@ -108,6 +109,8 @@ int sd_resolve_query_is_done(sd_resolve_query*q);
void *sd_resolve_query_get_userdata(sd_resolve_query *q);
void *sd_resolve_query_set_userdata(sd_resolve_query *q, void *userdata);
int sd_resolve_query_get_destroy_callback(sd_resolve_query *q, sd_resolve_destroy_t *destroy_callback);
int sd_resolve_query_set_destroy_callback(sd_resolve_query *q, sd_resolve_destroy_t destroy_callback);
sd_resolve *sd_resolve_query_get_resolve(sd_resolve_query *q);