ignore SIGPIPE in qemu-img and qemu-io

This prevents the tools from being stopped when they write data to a
closed connection in the other side.

Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 526eda14a68d5b3596be715505289b541288ef2a)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>

2 files changed, 8 insertions, 0 deletions

diff --git a/qemu-img.c b/qemu-img.c
index cd096a1361..2189fc95b9 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -2460,6 +2460,10 @@ int main(int argc, char **argv)
     const img_cmd_t *cmd;
     const char *cmdname;
 
+#ifdef CONFIG_POSIX
+    signal(SIGPIPE, SIG_IGN);
+#endif
+
     error_set_progname(argv[0]);
 
     qemu_init_main_loop();
diff --git a/qemu-io.c b/qemu-io.c
index 475a8bd034..5045ff8035 100644
--- a/qemu-io.c
+++ b/qemu-io.c
@@ -1920,6 +1920,10 @@ int main(int argc, char **argv)
     int opt_index = 0;
     int flags = BDRV_O_UNMAP;
 
+#ifdef CONFIG_POSIX
+    signal(SIGPIPE, SIG_IGN);
+#endif
+
     progname = basename(argv[0]);
 
     while ((c = getopt_long(argc, argv, sopt, lopt, &opt_index)) != -1) {