diff options
| -rw-r--r-- | qga/commands.c | 18 | ||||
| -rw-r--r-- | qga/main.c | 6 |
2 files changed, 23 insertions, 1 deletions
diff --git a/qga/commands.c b/qga/commands.c index ced72d503e..68e8cfab18 100644 --- a/qga/commands.c +++ b/qga/commands.c @@ -225,6 +225,22 @@ static void guest_exec_child_watch(GPid pid, gint status, gpointer data) g_spawn_close_pid(pid); } +/** Reset ignored signals back to default. */ +static void guest_exec_task_setup(gpointer data) +{ +#if !defined(G_OS_WIN32) + struct sigaction sigact; + + memset(&sigact, 0, sizeof(struct sigaction)); + sigact.sa_handler = SIG_DFL; + + if (sigaction(SIGPIPE, &sigact, NULL) != 0) { + slog("sigaction() failed to reset child process's SIGPIPE: %s", + strerror(errno)); + } +#endif +} + GuestExec *qmp_guest_exec(const char *path, bool has_arg, strList *arg, bool has_env, strList *env, @@ -250,7 +266,7 @@ GuestExec *qmp_guest_exec(const char *path, G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_STDOUT_TO_DEV_NULL | G_SPAWN_STDERR_TO_DEV_NULL, - NULL, NULL, &pid, NULL, NULL, NULL, &gerr); + guest_exec_task_setup, NULL, &pid, NULL, NULL, NULL, &gerr); if (!ret) { error_setg(err, QERR_QGA_COMMAND_FAILED, gerr->message); g_error_free(gerr); diff --git a/qga/main.c b/qga/main.c index aa6a063446..068169fcbc 100644 --- a/qga/main.c +++ b/qga/main.c @@ -161,6 +161,12 @@ static gboolean register_signal_handlers(void) g_error("error configuring signal handler: %s", strerror(errno)); } + sigact.sa_handler = SIG_IGN; + if (sigaction(SIGPIPE, &sigact, NULL) != 0) { + g_error("error configuring SIGPIPE signal handler: %s", + strerror(errno)); + } + return true; } |