Specify a file size limit for minidumps

chrome/app/breakpad_linux.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_APP_BREAKPAD_LINUX_H_
 #define CHROME_APP_BREAKPAD_LINUX_H_
 
+#include <sys/types.h>
+
 #include "base/basictypes.h"
 
 extern void InitCrashReporter();
 #if defined(OS_ANDROID)
 extern void InitNonBrowserCrashReporterForAndroid(int minidump_fd);
 #endif
 bool IsCrashReporterEnabled();
 
 static const size_t kMaxActiveURLSize = 1024;
 static const size_t kGuidSize = 32;  // 128 bits = 32 chars in hex.
 static const size_t kDistroSize = 128;
 #if defined(ADDRESS_SANITIZER)
 static const size_t kMaxAsanReportSize = 1 << 16;
 #endif
+// Define a preferred limit on minidump sizes, because Crash Server currently
+// throws away any larger than 1.2MB (1.2 * 1024 * 1024).  A value of -1 means
+// no limit.
+static const off_t kMaxMinidumpFileSize = 1258291;
 
 // BreakpadInfo describes a crash report.
 // The minidump information can either be contained in a file descriptor (fd) or
 // in a file (whose path is in filename).
 struct BreakpadInfo {
   int fd;                          // File descriptor to the Breakpad dump data.
   const char* filename;            // Path to the Breakpad dump data.
 #if defined(ADDRESS_SANITIZER)
   const char* log_filename;        // Path to the ASan log file.
   const char* asan_report_str;     // ASan report.
   unsigned asan_report_length;     // Length of |asan_report_length|.
 #endif
   const char* process_type;        // Process type, e.g. "renderer".
   unsigned process_type_length;    // Length of |process_type|.
   const char* crash_url;           // Active URL in the crashing process.
   unsigned crash_url_length;       // Length of |crash_url|.
   const char* guid;                // Client ID.
   unsigned guid_length;            // Length of |guid|.
   const char* distro;              // Linux distro string.
   unsigned distro_length;          // Length of |distro|.
   bool upload;                     // Whether to upload or save crash dump.
   uint64_t process_start_time;     // Uptime of the crashing process.
   size_t oom_size;                 // Amount of memory requested if OOM.
   uint64_t pid;                    // PID where applicable.
 };
 
 extern void HandleCrashDump(const BreakpadInfo& info);
 
 #endif  // CHROME_APP_BREAKPAD_LINUX_H_