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http-fetch: Abort requests for objects which arrived in packs 

In fetch_object, there's a call to release an object request if the
object mysteriously arrived, say in a pack.  Unfortunately, the fetch
attempt for this object might already be in progress, and we'll leak the
descriptor.  Instead, try to tidy away the request.

Signed-off-by: Mark Wooding <mdw@distorted.org.uk>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Mark Wooding 2006-02-07 10:07:39 +00:00 committed by Junio C Hamano
parent 66f04f38f4
commit 53f313897e
3 changed files with 33 additions and 2 deletions
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16
http-fetch.c
View File

@ -773,6 +773,20 @@ static int fetch_pack(struct alt_base *repo, unsigned char *sha1)
return 0;
}
static void abort_object_request(struct object_request *obj_req)
{
if (obj_req->local >= 0) {
close(obj_req->local);
obj_req->local = -1;
}
unlink(obj_req->tmpfile);
if (obj_req->slot) {
release_active_slot(obj_req->slot);
obj_req->slot = NULL;
}
release_object_request(obj_req);
}
static int fetch_object(struct alt_base *repo, unsigned char *sha1)
{
char *hex = sha1_to_hex(sha1);
@ -785,7 +799,7 @@ static int fetch_object(struct alt_base *repo, unsigned char *sha1)
return error("Couldn't find request for %s in the queue", hex);
if (has_sha1_file(obj_req->sha1)) {
release_object_request(obj_req);
abort_object_request(obj_req);
return 0;
}

18
http.c
View File

@ -420,10 +420,26 @@ void run_active_slot(struct active_request_slot *slot)
#endif
}
static void finish_active_slot(struct active_request_slot *slot)
static void closedown_active_slot(struct active_request_slot *slot)
{
active_requests--;
slot->in_use = 0;
}
void release_active_slot(struct active_request_slot *slot)
{
closedown_active_slot(slot);
if (slot->curl) {
curl_multi_remove_handle(curlm, slot->curl);
curl_easy_cleanup(slot->curl);
slot->curl = NULL;
}
fill_active_slots();
}
static void finish_active_slot(struct active_request_slot *slot)
{
closedown_active_slot(slot);
curl_easy_getinfo(slot->curl, CURLINFO_HTTP_CODE, &slot->http_code);
/* Store slot results so they can be read after the slot is reused */

1
http.h
View File

@ -61,6 +61,7 @@ extern struct active_request_slot *get_active_slot(void);
extern int start_active_slot(struct active_request_slot *slot);
extern void run_active_slot(struct active_request_slot *slot);
extern void finish_all_active_slots(void);
extern void release_active_slot(struct active_request_slot *slot);
#ifdef USE_CURL_MULTI
extern void fill_active_slots(void);