ncmixer

commit c4f556d850b4e2f0879a3e930b813251d21c8499
parent 01f4e171f54a0420cbecbcfe2099719a28c5bee8
Author: sin <sin@2f30.org>
Date:   Fri,  3 Jun 2016 09:59:12 +0100

Restart read(2) on EINTR

This can happen because of a SIGWINCH signal.

Diffstat:
M
ncmixer.c
 | 
8
++++++--

1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/ncmixer.c b/ncmixer.c
@@ -201,7 +201,9 @@ ch0_cb(int fd)
 	int n;
 
 	memset(ch0_buf, 0, sizeof(ch0_buf));
-	n = read(fd, ch0_buf, sizeof(ch0_buf));
+	do {
+		n = read(fd, ch0_buf, sizeof(ch0_buf));
+	} while (n == -1 && errno == EINTR);
 	if (n == 0 || n == -1)
 		return -1;
 	ch0_nsamples = n / 2;
@@ -214,7 +216,9 @@ ch1_cb(int fd)
 	int n;
 
 	memset(ch1_buf, 0, sizeof(ch1_buf));
-	n = read(fd, ch1_buf, sizeof(ch1_buf));
+	do {
+		n = read(fd, ch1_buf, sizeof(ch1_buf));
+	} while (n == -1 && errno == EINTR);
 	if (n == 0 || n == -1)
 		return -1;
 	ch1_nsamples = n / 2;