[Qemu-devel] [PATCH 1/2] qemu-io: retry fgets() when errno is EINTR

[MORITA Kazutaka]

posix-aio-compat sends a signal in aio operations, so we should
consider that fgets() could be interrupted here.

Signed-off-by: MORITA Kazutaka <morita.kazut...@lab.ntt.co.jp>
---
 cmd.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/cmd.c b/cmd.c
index 2336334..460df92 100644
--- a/cmd.c
+++ b/cmd.c
@@ -272,7 +272,10 @@ fetchline(void)
                return NULL;
        printf("%s", get_prompt());
        fflush(stdout);
+again:
        if (!fgets(line, MAXREADLINESZ, stdin)) {
+               if (errno == EINTR)
+                       goto again;
                free(line);
                return NULL;
        }
-- 
1.5.6.5