From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony PERARD Subject: Re: [RFC v2 8/9] HACK libxl_exec: Check QEMU status via QMP instead of xenstore Date: Tue, 17 Apr 2018 10:18:35 +0100 Message-ID: <20180417091835.GL2208@perard> References: <20180416173227.22671-1-anthony.perard@citrix.com> <20180416173227.22671-9-anthony.perard@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1f8MlA-0003Bn-8I for xen-devel@lists.xenproject.org; Tue, 17 Apr 2018 09:18:44 +0000 Content-Disposition: inline In-Reply-To: <20180416173227.22671-9-anthony.perard@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: xen-devel@lists.xenproject.org Cc: Ian Jackson , Wei Liu List-Id: xen-devel@lists.xenproject.org T24gTW9uLCBBcHIgMTYsIDIwMTggYXQgMDY6MzI6MjZQTSArMDEwMCwgQW50aG9ueSBQRVJBUkQg d3JvdGU6Cj4gV2hlbiBRRU1VIGlzIHJlc3RyaWN0ZWQsIHRoZSBxZW11IG9uIHRoZSByZWNlaXZp bmcgc2lkZSBjYW5uJ3Qgd3JpdGUKPiBhbnl0aGluZyB0byB4ZW5zdG9yZSBvbmNlIHRoZSBtaWdy YXRpb24gaXMgc3RhcnRlZC4gU28gaXQgY2Fubid0IHRlbGwKPiBsaWJ4bCB0aGF0IGl0IGlzIHJl YWR5IHRvIGNvbnRpbnVlIHJ1bm5pbmcgdGhlIGd1ZXN0Lgo+IAo+IEluIG9yZGVyIHRvIGZpbmQg b3V0IGlmIFFFTVUgaXMgcmVhZHksIHdlIGNhbiBpc3N1ZSBRTVAgY29tbWFuZHMgYW5kCj4gY2hl Y2sgaWYgaXQgcmVzcG9uZC4KPiAKPiBCdXQgdGhlcmUgaXMgbm8gUU1QIHNvY2tldCB0byBjb25u ZWN0IHRvIGJlZm9yZSBxZW11IGlzIHN0YXJ0ZWQuIEJ1dCB3ZQo+IGNhbiB1c2VzIGRpZmZlcmVu dCBmYWNpbGl0eSBmcm9tIHFlbXUgaW4gb3JkZXIgdG8gc2V0dXAgc29tZSBraW5kIG9mCj4gY2Fs bGJhY2sgYmVmb3JlIHN0YXJ0aW5nIFFFTVUuIEZvciB0aGF0LCB3ZSBvcGVuIGEgZmlsZSBkZXNj cmlwdG9yIGFuZAo+IGdpdmUgaXQgdG8gcWVtdS4KPiAKPiBUaGlzIHBhdGNoIGNyZWF0ZXMgYSBw aXBlLCBnaXZlIHRoZSB3cml0ZS1lbmQgdG8gcWVtdSwgYW5kIHdhaXQgZm9yCj4gc29tZXRoaW5n IHRvIGJlIHdyaXR0ZW4gdG8gaXQuIChXZSBjb3VsZCBjaGVjayBpZiBpdCBpcyBhY3R1YWxseSB0 aGUgUU1QCj4gZ3JlZXRpbmcgbWVzc2FnZS4pCj4gCj4gUUVNVSBpcyBhc2tlZCB0byBzZXR1cCBh IFFNUCBzZXJ2ZXIgb24gdGhpcyBwaXBlLCBidXQgZXZlbiBpZiBpdCBpcyBhCj4gb25lLXdheSBv bmx5LCBxZW11IHdpbGwgd3JpdGUgdGhlIFFNUCBncmVldGluZyBtZXNzYWdlIHRvIHRoZSBwaXBl Lgo+IFRoaXMgaXMgZG9uZSB3aXRoOgo+IC1hZGQtZmQsIHRvIGNyZWF0ZSBhIGZkc2V0IHdoaWNo IGlzIHVzZSBsYXRlci4KPiAtY2hhcmRldiAnZmlsZSxwYXRoPS9kZXYvZmRzZXQvMSxhcHBlbmQ9 dHJ1ZScsIHRoaXMgb3BlbiBhIGNoYXIgZGV2aWNlCj4gb24gdGhlIHdyaXRlLWVuZCBvZiB0aGUg cGlwZSwgdGVsbCBxZW11IHRoYXQgdGhlIEZEIGlzIHdyaXRlLW9ubHksIGFuZAo+IG5vdCB0byBy dW4gdHJ1bmNhdGUgb24gaXQuCj4gLW1vbiwganVzdCBzdGFydCB0aGUgUU1QIHNlcnZlciBvbiB0 aGlzIG5ldyBjaGFyZGV2Lgo+IAo+IFdpdGggdGhhdCwgcWVtdSB3aWxsIHN0YXJ0IHRoZSBRTVAg c2VydmVyIG9uIHRoZSB3cml0ZS1vbmx5IGZkLCB3aGljaCBpcwo+IGVub3VnaCB0byBoYXZlIHRo ZSBRTVAgZ3JlZXRpbmcgbWVzc2FnZS4gQXQgdGhpcyBwb2ludCwgdGhlIFFNUCBzb2NrZXQKPiBp cyByZWFkeSwgYW5kIEkgdGhpbmsgcWVtdSBpcyBpbiB0aGUgbWFpbi1sb29wIGFuZCByZWFkeSB0 byBzdGFydCB0aGUKPiBlbXVsYXRpb24gYW5kIHJlc3BvbmQgdG8gUU1QIGNvbW1hbmRzLgo+IAo+ IFRoaXMgcGF0Y2ggY2FsbHMgJ3F1ZXJ5LXN0YXR1cycsIGFueSByZXNwb25zZSB0byB0aGF0IHdp dGhvdXQgZXJyb3IKPiBtZWFucyB0aGF0IFFFTVUgaXMgcmVhZHkuIElmIHRoZSBzdGF0dXMgaXMg InJ1bm5pbmciLCBRRU1VIHdvdWxkIGFscmVhZHkKPiBoYXZlIHdyaXR0ZW4gdGhlIHhlbnN0b3Jl IG5vZGUgaWYgaXQgY291bGQgYW5kIGlzIGRvaW5nIGVtdWxhdGlvbi4KPiAoQW55IHN1YnNlcXVl bnQgUU1QIGNvbW1hbmQgJ2NvbnQnLCBsaWJ4bF9fcW1wX3Jlc3VtZSgpLCAgaXMgbm90Cj4gY2hh bmdpbmcgYW55dGhpbmcuICBJZiBvbmUgYWRkcyAnLVMnIHRvIHRoZSBRRU1VIGNvbW1hbmQgbGlu ZSwgUUVNVSB3aWxsCj4gaGF2ZSB0aGUgc3RhdHVzICJwcmVsYXVuY2giIGFzIGEgcmVzcG9uc2Ug dG8gJ3F1ZXJ5LXN0YXR1cycsIHRoZW4gUUVNVQo+IGNhbiBiZSBhc2tlZCB0byBzdGFydCBlbXVs YXRpb24gd2l0aCAnY29udCcgdmlhIFFNUC4pCj4gCj4gVGhpcyBwYXRjaCBjb3BpZXMgbW9zdCBv ZiAieHN3YWl0IiBhbmQgY2FsbCBpdCAicW1wd2FpdCIuIFRoaXMgaXMKPiBwcm9iYWJseSBub3Qg dGhlIGJlc3Qgd2F5IGZvcndhcmQgZHVlIHRvIGR1cGxpY2F0aW9uLgo+IAo+IFNpZ25lZC1vZmYt Ynk6IEFudGhvbnkgUEVSQVJEIDxhbnRob255LnBlcmFyZEBjaXRyaXguY29tPgo+IC0tLQoKVGhp cyBlbWFpbCBzaG91bGQgaGF2ZToKCkNoYW5nZXMgaW4gUkZDIHYyOgotIEhhdmUgUUVNVSB0aHJv dyBhIGV2ZW50IGluc3RlYWQgb2YgcG9sbGluZyBvbiBjb25uZWN0KCkgdG8gdGhlIFFNUAogIHNv Y2tldAoKLS0gCkFudGhvbnkgUEVSQVJECgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54 ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGlu Zm8veGVuLWRldmVs