From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH igt] core/sighelper: Interrupt everyone in the process group Date: Mon, 11 Jan 2016 08:57:33 +0100 Message-ID: <20160111075733.GI8076@phenom.ffwll.local> References: <1452242669-20869-1-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wm0-f67.google.com (mail-wm0-f67.google.com [74.125.82.67]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0A98E6E208 for ; Sun, 10 Jan 2016 23:57:33 -0800 (PST) Received: by mail-wm0-f67.google.com with SMTP id l65so25038585wmf.3 for ; Sun, 10 Jan 2016 23:57:33 -0800 (PST) Content-Disposition: inline In-Reply-To: <1452242669-20869-1-git-send-email-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCBKYW4gMDgsIDIwMTYgYXQgMDg6NDQ6MjlBTSArMDAwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IFNvbWUgc3RyZXNzIHRlc3RzIGNyZWF0ZSBib3RoIHRoZSBzaWduYWwgaGVscGVyIGFu ZCBhIGxvdCBvZiBjb21wZXRpbmcKPiBwcm9jZXNzZXMuIEluIHRoZXNlIHRlc3RzLCB0aGUgcGFy ZW50IGlzIGp1c3Qgd2FpdGluZyB1cG9uIHRoZSBjaGlsZHJlbiwKPiBhbmQgdGhlIGludGVudGlv biBpcyBub3QgdG8ga2VlcCB3YWtpbmcgdXAgdGhlIHdhaXRpbmcgcGFyZW50LCBidXQgdG8KPiBr ZWVwIGludGVycnVwdGluZyB0aGUgY2hpbGRyZW4gKGFzIHdlIGhvcGUgdG8gdHJpZ2dlciByYWNl cyBpbiBvdXIKPiBrZXJuZWwgY29kZSkuIGtpbGwoLXBpZCkgc2VuZHMgdGhlIHNpZ25hbCB0byBh bGwgbWVtYmVycyBvZiB0aGUgcHJvY2Vzcwo+IGdyb3VwLCBub3QganVzdCB0aGUgdGFyZ2V0IHBp ZC4KCkkgZG9uJ3QgcmVhbGx5IGhhdmUgYW55IGNsdWUgYWJvdXQgdW5peCBwZ3JvdXBzLCBidXQg dGhlIC1waWQgZGlzYXBwZWFyZWQKY29tcGFyZWQgdG8gdGhlIHByZXZpb3VzIHZlcnNpb24uCj4g Cj4gV2UgYWxzbyBzd2l0Y2ggZnJvbSB1c2luZyBTSUdVU1IxIHRvIFNJR0NPTlQgdG8gcGFwZXIg b3ZlciBhIHJhY2UKPiBjb25kaXRpb24gd2hlbiBmb3JraW5nIGNoaWxkcmVuIHRoYXQgc2F3IHRo ZSBkZWZhdWx0IHNpZ25hbCBhY3Rpb24gYmVpbmcKPiBydW4gKGFuZCB0aHVzIGtpbGxpbmcgdGhl IGNoaWxkKS4KCkkgdGhvdWdodCBJIGZpeGVkIHRoYXQgcmFjZSBieSBmaXJzdCBpbnN0YWxsaW5n IHRoZSBuZXcgc2lnbmFsIGhhbmRsZXIsCnRoZW4gZm9ya2luZy4gT2ssIHJlY2hlY2tlZCBhbmQg aXQncyB0aGUgU1lTX2dldHBpZCBzdHVmZiwgc28gYW5vdGhlcgpyYWNlLiBTdGlsbCBJIHRob3Vn aHQgc2lnbmFsIGhhbmRsZXJzIHdvdWxkIHN1cnZpdmUgYSBmb3JrPwotRGFuaWVsCgo+IAo+IFNp Z25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IC0t LQo+ICBsaWIvaWd0X2F1eC5jIHwgMTAgKysrKysrLS0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgNiBp bnNlcnRpb25zKCspLCA0IGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9saWIvaWd0X2F1 eC5jIGIvbGliL2lndF9hdXguYwo+IGluZGV4IDRkMDhkNjguLmY2YjU3OTIgMTAwNjQ0Cj4gLS0t IGEvbGliL2lndF9hdXguYwo+ICsrKyBiL2xpYi9pZ3RfYXV4LmMKPiBAQCAtNzksNyArNzksNyBA QCBzdGF0aWMgdm9pZCBfX2F0dHJpYnV0ZV9fKChub3JldHVybikpIHNpZ25hbF9oZWxwZXJfcHJv Y2VzcyhwaWRfdCBwaWQpCj4gIAkvKiBJbnRlcnJ1cHQgdGhlIHBhcmVudCBwcm9jZXNzIGF0IDUw MEh6LCBqdXN0IHRvIGJlIGFubm95aW5nICovCj4gIAl3aGlsZSAoMSkgewo+ICAJCXVzbGVlcCgx MDAwICogMTAwMCAvIDUwMCk7Cj4gLQkJaWYgKGtpbGwocGlkLCBTSUdVU1IxKSkgLyogUGFyZW50 IGhhcyBkaWVkLCBzbyBtdXN0IHdlLiAqLwo+ICsJCWlmIChraWxsKHBpZCwgU0lHQ09OVCkpIC8q IFBhcmVudCBoYXMgZGllZCwgc28gbXVzdCB3ZS4gKi8KPiAgCQkJZXhpdCgwKTsKPiAgCX0KPiAg fQo+IEBAIC05Myw3ICs5Myw3IEBAIHN0YXRpYyB2b2lkIHNpZ19oYW5kbGVyKGludCBpKQo+ICAg KiBpZ3RfZm9ya19zaWduYWxfaGVscGVyOgo+ICAgKgo+ICAgKiBGb3JrIGEgY2hpbGQgcHJvY2Vz cyB1c2luZyAjaWd0X2ZvcmtfaGVscGVyIHRvIGludGVycnVwdCB0aGUgcGFyZW50IHByb2Nlc3MK PiAtICogd2l0aCBhIFNJR1VTUjEgc2lnbmFsIGF0IHJlZ3VsYXIgcXVpY2sgaW50ZXJ2YWxzLiBU aGUgY29ycmVzcG9uZGluZyBkdW1teQo+ICsgKiB3aXRoIGEgU0lHQ09OVCBzaWduYWwgYXQgcmVn dWxhciBxdWljayBpbnRlcnZhbHMuIFRoZSBjb3JyZXNwb25kaW5nIGR1bW15Cj4gICAqIHNpZ25h bCBoYW5kbGVyIGlzIGluc3RhbGxlZCBpbiB0aGUgcGFyZW50IHByb2Nlc3MuCj4gICAqCj4gICAq IFRoaXMgaXMgdXNlZnVsIHRvIGV4ZXJjaXNlIGlvY3RsIGVycm9yIHBhdGhzLCBhdCBsZWFzdCB3 aGVyZSB0aG9zZSBjYW4gYmUKPiBAQCAtMTA4LDEwICsxMDgsMTIgQEAgdm9pZCBpZ3RfZm9ya19z aWduYWxfaGVscGVyKHZvaWQpCj4gIAlpZiAoaWd0X29ubHlfbGlzdF9zdWJ0ZXN0cygpKQo+ICAJ CXJldHVybjsKPiAgCj4gLQlzaWduYWwoU0lHVVNSMSwgc2lnX2hhbmRsZXIpOwo+ICsJc2lnbmFs KFNJR0NPTlQsIHNpZ19oYW5kbGVyKTsKPiArCXNldHBncnAoKTsgLyogZGVmaW5lIGEgbmV3IHBy b2Nlc3MgZ3JvdXAgZm9yIG91cnNlbHZlcyAqLwo+ICAKPiAgCWlndF9mb3JrX2hlbHBlcigmc2ln bmFsX2hlbHBlcikgewo+IC0JCXNpZ25hbF9oZWxwZXJfcHJvY2VzcyhnZXRwcGlkKCkpOwo+ICsJ CXNpZ25hbChTSUdDT05ULCBTSUdfSUdOKTsKPiArCQlzaWduYWxfaGVscGVyX3Byb2Nlc3MoLWdl dHBwaWQoKSk7Cj4gIAl9Cj4gIH0KPiAgCj4gLS0gCj4gMi43LjAucmMzCj4gCj4gX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiBJbnRlbC1nZnggbWFpbGlu ZyBsaXN0Cj4gSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+IGh0dHA6Ly9saXN0cy5m cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngKCi0tIApEYW5pZWwgVmV0 dGVyClNvZnR3YXJlIEVuZ2luZWVyLCBJbnRlbCBDb3Jwb3JhdGlvbgpodHRwOi8vYmxvZy5mZnds bC5jaApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRl bC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDov L2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=