If strace attaches to the daemon pread returns with EINTR, and the
process exits. Catch this case and continue with the next iteration.
Signed-off-by: Olaf Hering <o...@aepfle.de>
---
tools/hv/hv_fcopy_daemon.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/hv/hv_fcopy_daemon.c b/tools/hv/hv_fcopy_daemon.c
index c273dd34d144..574e6bf5865c 100644
--- a/tools/hv/hv_fcopy_daemon.c
+++ b/tools/hv/hv_fcopy_daemon.c
@@ -201,6 +201,8 @@ int main(int argc, char *argv[])
ssize_t len;
len = pread(fcopy_fd, &buffer, sizeof(buffer), 0);
if (len < 0) {
+ if (errno == EINTR)
+ continue;
syslog(LOG_ERR, "pread failed: %s", strerror(errno));
exit(EXIT_FAILURE);
}
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