+++ b/cpus.c @@ -289,9 +289,16 @@ static void qemu_event_increment(void)/* EAGAIN is fine, a read must be pending. */ if (ret < 0 && errno != EAGAIN) { - fprintf(stderr, "qemu_event_increment: write() failed: %s\n", - strerror(errno)); - exit (1); + int len; + char buf[128]; + + /* Don't bother with strerror_[rl]. Make a single attempt to write. */ + len = snprintf(buf, sizeof buf, + "qemu_event_increment: write() failed: %d\n", errno);
snprintf is not async-signal safe (it can malloc, and depending on the implementation, tries to grab stdio locks, neither of which is safe).
-- Eric Blake ebl...@redhat.com +1-801-349-2682 Libvirt virtualization library http://libvirt.org
