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[PATCH v2 5/5] qga/commands-posix: 'guest-shutdown' for Solaris


From: Andrew Deason
Subject: [PATCH v2 5/5] qga/commands-posix: 'guest-shutdown' for Solaris
Date: Wed, 13 Apr 2022 17:00:07 -0500

On Solaris, instead of the -P, -H, and -r flags, we need to provide
the target init state to the 'shutdown' command: state 5 is poweroff,
0 is halt, and 6 is reboot. We also need to pass -g0 to avoid the
default 60-second delay, and -y to avoid a confirmation prompt.

Implement this logic under an #ifdef CONFIG_SOLARIS, so the
'guest-shutdown' command works properly on Solaris.

Signed-off-by: Andrew Deason <adeason@sinenomine.net>
---
Changes since v1:
- new in v2

 qga/commands-posix.c | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index 97e001e998..8c30a9e575 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -88,43 +88,58 @@ static void ga_wait_child(pid_t pid, int *status, Error 
**errp)
     g_assert(rpid == pid);
 }
 
 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
 {
     const char *shutdown_flag;
     Error *local_err = NULL;
     pid_t pid;
     int status;
 
+#ifdef CONFIG_SOLARIS
+    const char *powerdown_flag = "-i5";
+    const char *halt_flag = "-i0";
+    const char *reboot_flag = "-i6";
+#else
+    const char *powerdown_flag = "-P";
+    const char *halt_flag = "-H";
+    const char *reboot_flag = "-r";
+#endif
+
     slog("guest-shutdown called, mode: %s", mode);
     if (!has_mode || strcmp(mode, "powerdown") == 0) {
-        shutdown_flag = "-P";
+        shutdown_flag = powerdown_flag;
     } else if (strcmp(mode, "halt") == 0) {
-        shutdown_flag = "-H";
+        shutdown_flag = halt_flag;
     } else if (strcmp(mode, "reboot") == 0) {
-        shutdown_flag = "-r";
+        shutdown_flag = reboot_flag;
     } else {
         error_setg(errp,
                    "mode is invalid (valid values are: halt|powerdown|reboot");
         return;
     }
 
     pid = fork();
     if (pid == 0) {
         /* child, start the shutdown */
         setsid();
         reopen_fd_to_null(0);
         reopen_fd_to_null(1);
         reopen_fd_to_null(2);
 
+#ifdef CONFIG_SOLARIS
+        execle("/sbin/shutdown", "shutdown", shutdown_flag, "-g0", "-y",
+               "hypervisor initiated shutdown", (char *)NULL, environ);
+#else
         execle("/sbin/shutdown", "shutdown", "-h", shutdown_flag, "+0",
                "hypervisor initiated shutdown", (char *)NULL, environ);
+#endif
         _exit(EXIT_FAILURE);
     } else if (pid < 0) {
         error_setg_errno(errp, errno, "failed to create child process");
         return;
     }
 
     ga_wait_child(pid, &status, &local_err);
     if (local_err) {
         error_propagate(errp, local_err);
         return;
-- 
2.11.0




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