From f44e8fac12400a7fc7cbe5389492fa265d347ff5 Mon Sep 17 00:00:00 2001 From: Con Kolivas Date: Sat, 25 Jun 2011 20:56:17 +1000 Subject: [PATCH] Curl appears to be not thread safe so only have one curl open at a time. --- cpu-miner.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/cpu-miner.c b/cpu-miner.c index edd06166..131495a1 100644 --- a/cpu-miner.c +++ b/cpu-miner.c @@ -143,6 +143,7 @@ int longpoll_thr_id; struct work_restart *work_restart = NULL; pthread_mutex_t time_lock; static pthread_mutex_t hash_lock; +static pthread_mutex_t submit_lock; static pthread_mutex_t get_lock; static double total_mhashes_done; static struct timeval total_tv_start, total_tv_end; @@ -467,6 +468,9 @@ static void *submit_thread(void *userdata) int failures = 0; CURL *curl; + /* libcurl seems to be not thread safe so only submit one at a time! */ + pthread_mutex_lock(&submit_lock); + curl = curl_easy_init(); if (unlikely(!curl)) { applog(LOG_ERR, "CURL initialization failed"); @@ -490,6 +494,7 @@ static void *submit_thread(void *userdata) free(hexstr); curl_easy_cleanup(curl); + pthread_mutex_unlock(&submit_lock); return NULL; } @@ -1300,6 +1305,8 @@ int main (int argc, char *argv[]) return 1; if (unlikely(pthread_mutex_init(&hash_lock, NULL))) return 1; + if (unlikely(pthread_mutex_init(&submit_lock, NULL))) + return 1; if (unlikely(pthread_mutex_init(&get_lock, NULL))) return 1;