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| author | Felix Erckenbrecht <dg1yfe@stus-disco.de> | 2020-07-31 09:05:14 +0200 |
|---|---|---|
| committer | Felix Erckenbrecht <dg1yfe@stus-disco.de> | 2020-07-31 09:05:14 +0200 |
| commit | 86813ec92f00b34d7275204e5cc215ad6e923de6 (patch) | |
| tree | b3a2be8a4bb52a9cb33be7ba9c7b478c641edd3a /src | |
| parent | b5708eb5ebbdaf2d80bc1f499ee9ae5f4ec5d7a2 (diff) | |
| download | osmo-fl2k-86813ec92f00b34d7275204e5cc215ad6e923de6.tar.gz osmo-fl2k-86813ec92f00b34d7275204e5cc215ad6e923de6.tar.bz2 osmo-fl2k-86813ec92f00b34d7275204e5cc215ad6e923de6.zip | |
Lock mutex before calling cond_wait or cond_signal
Diffstat (limited to 'src')
| -rw-r--r-- | src/fl2k_iq.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/fl2k_iq.c b/src/fl2k_iq.c index 7a604be..40cc28a 100644 --- a/src/fl2k_iq.c +++ b/src/fl2k_iq.c @@ -249,7 +249,9 @@ static void *iq_worker(void *arg) tmp_ptr = ambuf; ambuf = txbuf; txbuf = tmp_ptr; + pthread_mutex_lock(&cb_mutex); pthread_cond_wait(&cb_cond, &cb_mutex); + pthread_mutex_unlock(&cb_mutex); } dds_real_buf(&base_signal, ambuf, remaining); @@ -260,7 +262,9 @@ static void *iq_worker(void *arg) dds_real_buf(&base_signal, &ambuf[len], rf_to_baseband_sample_ratio); len += rf_to_baseband_sample_ratio; } + pthread_mutex_lock(&iq_mutex); pthread_cond_signal(&iq_cond); + pthread_mutex_unlock(&iq_mutex); } pthread_exit(NULL); @@ -334,7 +338,9 @@ void iq_modulator() writepos %= BUFFER_SAMPLES; } } else { + pthread_mutex_lock(&iq_mutex); pthread_cond_wait(&iq_cond, &iq_mutex); + pthread_mutex_unlock(&iq_mutex); } } } @@ -345,7 +351,9 @@ void fl2k_callback(fl2k_data_info_t *data_info) if (data_info->device_error) { fprintf(stderr, "Device error, exiting.\n"); do_exit = 1; + pthread_mutex_lock(&iq_mutex); pthread_cond_signal(&iq_cond); + pthread_mutex_unlock(&iq_mutex); } pthread_cond_signal(&cb_cond); |