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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Represents the browser side of the browser <--> renderer communication | 5 // Represents the browser side of the browser <--> renderer communication |
6 // channel. There will be one RenderProcessHost per renderer process. | 6 // channel. There will be one RenderProcessHost per renderer process. |
7 | 7 |
8 #include "content/browser/renderer_host/render_process_host_impl.h" | 8 #include "content/browser/renderer_host/render_process_host_impl.h" |
9 | 9 |
10 #include <algorithm> | 10 #include <algorithm> |
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326 LAZY_INSTANCE_INITIALIZER; | 326 LAZY_INSTANCE_INITIALIZER; |
327 | 327 |
328 // Map of site to process, to ensure we only have one RenderProcessHost per | 328 // Map of site to process, to ensure we only have one RenderProcessHost per |
329 // site in process-per-site mode. Each map is specific to a BrowserContext. | 329 // site in process-per-site mode. Each map is specific to a BrowserContext. |
330 class SiteProcessMap : public base::SupportsUserData::Data { | 330 class SiteProcessMap : public base::SupportsUserData::Data { |
331 public: | 331 public: |
332 typedef base::hash_map<std::string, RenderProcessHost*> SiteToProcessMap; | 332 typedef base::hash_map<std::string, RenderProcessHost*> SiteToProcessMap; |
333 SiteProcessMap() {} | 333 SiteProcessMap() {} |
334 | 334 |
335 void RegisterProcess(const std::string& site, RenderProcessHost* process) { | 335 void RegisterProcess(const std::string& site, RenderProcessHost* process) { |
336 // There could already exist a site to process mapping due to races between | 336 map_[site] = process; |
337 // two WebContents with blank SiteInstances. If that occurs, keeping the | |
338 // exising entry and not overwriting it is a predictable behavior that is | |
339 // safe. | |
340 SiteToProcessMap::iterator i = map_.find(site); | |
341 if (i == map_.end()) | |
342 map_[site] = process; | |
343 } | 337 } |
344 | 338 |
345 RenderProcessHost* FindProcess(const std::string& site) { | 339 RenderProcessHost* FindProcess(const std::string& site) { |
346 SiteToProcessMap::iterator i = map_.find(site); | 340 SiteToProcessMap::iterator i = map_.find(site); |
347 if (i != map_.end()) | 341 if (i != map_.end()) |
348 return i->second; | 342 return i->second; |
349 return NULL; | 343 return NULL; |
350 } | 344 } |
351 | 345 |
352 void RemoveProcess(RenderProcessHost* host) { | 346 void RemoveProcess(RenderProcessHost* host) { |
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3072 LOG(ERROR) << "Terminating render process for bad Mojo message: " << error; | 3066 LOG(ERROR) << "Terminating render process for bad Mojo message: " << error; |
3073 | 3067 |
3074 // The ReceivedBadMessage call below will trigger a DumpWithoutCrashing. | 3068 // The ReceivedBadMessage call below will trigger a DumpWithoutCrashing. |
3075 // Capture the error message in a crash key value. | 3069 // Capture the error message in a crash key value. |
3076 base::debug::ScopedCrashKey error_key_value("mojo-message-error", error); | 3070 base::debug::ScopedCrashKey error_key_value("mojo-message-error", error); |
3077 bad_message::ReceivedBadMessage(render_process_id, | 3071 bad_message::ReceivedBadMessage(render_process_id, |
3078 bad_message::RPH_MOJO_PROCESS_ERROR); | 3072 bad_message::RPH_MOJO_PROCESS_ERROR); |
3079 } | 3073 } |
3080 | 3074 |
3081 } // namespace content | 3075 } // namespace content |
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