On 21/07/2015 10:51, Thomas Huth wrote: > On 21/07/15 09:34, Paolo Bonzini wrote: >> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> >> --- >> qemu-char.c | 13 +++++++++++-- >> 1 file changed, 11 insertions(+), 2 deletions(-) >> >> diff --git a/qemu-char.c b/qemu-char.c >> index b2b43c5..d956f8d 100644 >> --- a/qemu-char.c >> +++ b/qemu-char.c >> @@ -2798,7 +2798,10 @@ 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); >> } > > I think you could also use the TFR() macro from include/qemu-common.h > here instead (TFR = temp. failure retry, I think)
Interesting macro. :) I wonder why it's being used only for open (and qemu_open), though. Paolo