aplay: Fix type for signal flag

A flag used in signal handlers has to be a special atomic type,
volatile sig_atomic_t.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/aplay/aplay.c b/aplay/aplay.c
index e58e1bc..dfa1a0a 100644 (file)
--- a/aplay/aplay.c
+++ b/aplay/aplay.c
@@ -107,7 +107,7 @@ static snd_pcm_stream_t stream = SND_PCM_STREAM_PLAYBACK;
 static int mmap_flag = 0;
 static int interleaved = 1;
 static int nonblock = 0;
-static int in_aborting = 0;
+static volatile sig_atomic_t in_aborting = 0;
 static u_char *audiobuf = NULL;
 static snd_pcm_uframes_t chunk_size = 0;
 static unsigned period_time = 0;