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-rw-r--r--os-posix.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/os-posix.c b/os-posix.c
index e31a099a2b..4898ebf4a2 100644
--- a/os-posix.c
+++ b/os-posix.c
@@ -319,6 +319,8 @@ int qemu_create_pidfile(const char *filename)
return -1;
}
if (lockf(fd, F_TLOCK, 0) == -1) {
+ fprintf(stderr, "lock file '%s' failed: %s\n",
+ filename, strerror(errno));
close(fd);
return -1;
}