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-rw-r--r--src/tool_operate.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/src/tool_operate.c b/src/tool_operate.c
index 9b5225853..d2ad9642d 100644
--- a/src/tool_operate.c
+++ b/src/tool_operate.c
@@ -1924,12 +1924,21 @@ static CURLcode create_transfers(struct GlobalConfig *global,
static long all_added; /* number of easy handles currently added */
+/*
+ * add_parallel_transfers() sets 'morep' to TRUE if there are more transfers
+ * to add even after this call returns. sets 'addedp' to TRUE if one or more
+ * transfers were added.
+ */
static int add_parallel_transfers(struct GlobalConfig *global,
- CURLM *multi)
+ CURLM *multi,
+ bool *morep,
+ bool *addedp)
{
struct per_transfer *per;
CURLcode result;
CURLMcode mcode;
+ *addedp = FALSE;
+ *morep = FALSE;
for(per = transfers; per && (all_added < global->parallel_max);
per = per->next) {
if(per->added)
@@ -1949,7 +1958,9 @@ static int add_parallel_transfers(struct GlobalConfig *global,
return CURLE_OUT_OF_MEMORY;
per->added = TRUE;
all_added++;
+ *addedp = TRUE;
}
+ *morep = per ? TRUE : FALSE;
return CURLE_OK;
}
@@ -1962,16 +1973,19 @@ static CURLcode parallel_transfers(struct GlobalConfig *global,
CURLcode result = CURLE_OK;
int still_running = 1;
struct timeval start = tvnow();
+ bool more_transfers;
+ bool added_transfers;
multi = curl_multi_init();
if(!multi)
return CURLE_OUT_OF_MEMORY;
- result = add_parallel_transfers(global, multi);
+ result = add_parallel_transfers(global, multi,
+ &more_transfers, &added_transfers);
if(result)
return result;
- while(!done && !mcode && still_running) {
+ while(!done && !mcode && (still_running || more_transfers)) {
mcode = curl_multi_poll(multi, NULL, 0, 1000, NULL);
if(!mcode)
mcode = curl_multi_perform(multi, &still_running);
@@ -2001,9 +2015,14 @@ static CURLcode parallel_transfers(struct GlobalConfig *global,
(void)del_transfer(ended);
}
} while(msg);
- if(removed)
+ if(removed) {
/* one or more transfers completed, add more! */
- (void)add_parallel_transfers(global, multi);
+ (void)add_parallel_transfers(global, multi, &more_transfers,
+ &added_transfers);
+ if(added_transfers)
+ /* we added new ones, make sure the loop doesn't exit yet */
+ still_running = 1;
+ }
}
}