diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2015-07-21 09:25:54 +0200 |
|---|---|---|
| committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2015-08-10 15:31:16 -0500 |
| commit | 35a616edef026c08f34fe677a2de9600ef94eb74 (patch) | |
| tree | 9f11e87303520e4e98160815d030771fc0f854c9 | |
| parent | 35c30d3efdfb7d06f978cdb711cb27bc280dcbe8 (diff) | |
qemu-char: handle EINTR for TCP character devices
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 9172f428afc1461b1d9b33ebca3a679b9adf7c3a)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
| -rw-r--r-- | qemu-char.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/qemu-char.c b/qemu-char.c index a405d76c31..1074a788d1 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -2797,7 +2797,10 @@ static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) #ifdef MSG_CMSG_CLOEXEC flags |= MSG_CMSG_CLOEXEC; #endif - ret = recvmsg(s->fd, &msg, flags); + do { + ret = recvmsg(s->fd, &msg, flags); + } while (ret == -1 && errno == EINTR); + if (ret > 0 && s->is_unix) { unix_process_msgfd(chr, &msg); } @@ -2808,7 +2811,13 @@ static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len) { TCPCharDriver *s = chr->opaque; - return qemu_recv(s->fd, buf, len, 0); + ssize_t ret; + + do { + ret = qemu_recv(s->fd, buf, len, 0); + } while (ret == -1 && socket_error() == EINTR); + + return ret; } #endif |