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47 lines
1.9 KiB
47 lines
1.9 KiB
From 80ec6872aceb18c68b1cf5b6f8acd6ad667cbd4f Mon Sep 17 00:00:00 2001
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From: Yousong Zhou <yszhou4tech@gmail.com>
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Date: Thu, 17 Dec 2020 15:55:55 +0800
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Subject: [PATCH] qga: invoke separate applets for guest-shutdown modes
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/sbin/shutdown is not available on OpenWrt by default
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Origin: "main/qemu: fix shutdown from guest agent"
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https://gitlab.alpinelinux.org/alpine/aports/commit/76b81b486480fd9c3294cd420bcf2df01c27790d
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---
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qga/commands-posix.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/qga/commands-posix.c b/qga/commands-posix.c
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index a52af0315f..623d856c64 100644
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--- a/qga/commands-posix.c
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+++ b/qga/commands-posix.c
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@@ -84,6 +84,7 @@ static void ga_wait_child(pid_t pid, int *status, Error **errp)
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void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
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{
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const char *shutdown_flag;
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+ const char *fallback_cmd = NULL;
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Error *local_err = NULL;
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pid_t pid;
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int status;
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@@ -91,10 +92,13 @@ void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
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slog("guest-shutdown called, mode: %s", mode);
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if (!has_mode || strcmp(mode, "powerdown") == 0) {
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shutdown_flag = "-P";
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+ fallback_cmd = "/sbin/poweroff";
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} else if (strcmp(mode, "halt") == 0) {
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shutdown_flag = "-H";
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+ fallback_cmd = "/sbin/halt";
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} else if (strcmp(mode, "reboot") == 0) {
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shutdown_flag = "-r";
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+ fallback_cmd = "/sbin/reboot";
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} else {
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error_setg(errp,
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"mode is invalid (valid values are: halt|powerdown|reboot");
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@@ -111,6 +115,7 @@ void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
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execle("/sbin/shutdown", "shutdown", "-h", shutdown_flag, "+0",
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"hypervisor initiated shutdown", (char*)NULL, environ);
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+ execle(fallback_cmd, fallback_cmd, (char*)NULL, environ);
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_exit(EXIT_FAILURE);
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} else if (pid < 0) {
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error_setg_errno(errp, errno, "failed to create child process");
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