1 files changed, 144 insertions, 0 deletions
diff --git a/devel/electron13/files/patch-services_resource__coordinator_public_cpp_memory__instrumentation_os__metrics__linux.cc b/devel/electron13/files/patch-services_resource__coordinator_public_cpp_memory__instrumentation_os__metrics__linux.cc
new file mode 100644
index 000000000000..f86c92c432b8
--- /dev/null
+++ b/devel/electron13/files/patch-services_resource__coordinator_public_cpp_memory__instrumentation_os__metrics__linux.cc
@@ -0,0 +1,144 @@
+--- services/resource_coordinator/public/cpp/memory_instrumentation/os_metrics_linux.cc.orig	2021-01-07 00:36:39 UTC
++++ services/resource_coordinator/public/cpp/memory_instrumentation/os_metrics_linux.cc
+@@ -5,7 +5,6 @@
+ #include <dlfcn.h>
+ #include <fcntl.h>
+ #include <stdint.h>
+-#include <sys/prctl.h>
+ 
+ #include <memory>
+ 
+@@ -25,8 +24,14 @@
+ #include "build/build_config.h"
+ #include "services/resource_coordinator/public/cpp/memory_instrumentation/os_metrics.h"
+ 
++#if !defined(OS_BSD)
++#include <sys/prctl.h>
++#endif
++
++#if !defined(OS_BSD)
+ // Symbol with virtual address of the start of ELF header of the current binary.
+ extern char __ehdr_start;
++#endif
+ 
+ namespace memory_instrumentation {
+ 
+@@ -89,6 +94,7 @@ struct ModuleData {
+ 
+ ModuleData GetMainModuleData() {
+   ModuleData module_data;
++#if !defined(OS_BSD)
+   Dl_info dl_info;
+   if (dladdr(&__ehdr_start, &dl_info)) {
+     base::debug::ElfBuildIdBuffer build_id;
+@@ -99,6 +105,7 @@ ModuleData GetMainModuleData() {
+       module_data.build_id = std::string(build_id, build_id_length);
+     }
+   }
++#endif
+   return module_data;
+ }
+ 
+@@ -146,14 +153,14 @@ bool ParseSmapsHeader(const char* header_line,
+   // Build ID is needed to symbolize heap profiles, and is generated only on
+   // official builds. Build ID is only added for the current library (chrome)
+   // since it is racy to read other libraries which can be unmapped any time.
+-#if defined(OFFICIAL_BUILD)
++#if defined(OFFICIAL_BUILD) && !defined(OS_BSD)
+   if (!region->mapped_file.empty() &&
+       base::StartsWith(main_module_data.path, region->mapped_file,
+                        base::CompareCase::SENSITIVE) &&
+       !main_module_data.build_id.empty()) {
+     region->module_debugid = main_module_data.build_id;
+   }
+-#endif  // defined(OFFICIAL_BUILD)
++#endif  // defined(OFFICIAL_BUILD) && !defined(OS_BSD)
+ 
+   return res;
+ }
+@@ -236,6 +243,7 @@ uint32_t ReadLinuxProcSmapsFile(FILE* smaps_file,
+ class ScopedProcessSetDumpable {
+  public:
+   ScopedProcessSetDumpable() {
++#if !defined(OS_BSD)
+     int result = prctl(PR_GET_DUMPABLE, 0, 0, 0, 0);
+     if (result < 0) {
+       PLOG(ERROR) << "prctl";
+@@ -251,15 +259,20 @@ class ScopedProcessSetDumpable {
+         AvoidPrctlOnDestruction();
+       }
+     }
++#else
++    was_dumpable_ = true;
++#endif
+   }
+ 
+   ScopedProcessSetDumpable(const ScopedProcessSetDumpable&) = delete;
+   ScopedProcessSetDumpable& operator=(const ScopedProcessSetDumpable&) = delete;
+ 
+   ~ScopedProcessSetDumpable() {
++#if !defined(OS_BSD)
+     if (!was_dumpable_) {
+       PCHECK(prctl(PR_SET_DUMPABLE, 0, 0, 0, 0) == 0) << "prctl";
+     }
++#endif
+   }
+ 
+  private:
+@@ -282,6 +295,7 @@ bool OSMetrics::FillOSMemoryDump(base::ProcessId pid,
+                                  mojom::RawOSMemDump* dump) {
+   // TODO(chiniforooshan): There is no need to read both /statm and /status
+   // files. Refactor to get everything from /status using ProcessMetric.
++#if !defined(OS_BSD)
+   auto statm_file = GetProcPidDir(pid).Append("statm");
+   auto autoclose = base::ScopedFD(open(statm_file.value().c_str(), O_RDONLY));
+   int statm_fd = autoclose.get();
+@@ -296,6 +310,10 @@ bool OSMetrics::FillOSMemoryDump(base::ProcessId pid,
+ 
+   if (!success)
+     return false;
++#else
++  uint64_t resident_pages = 0;
++  uint64_t shared_pages = 0;
++#endif
+ 
+   auto process_metrics = CreateProcessMetrics(pid);
+ 
+@@ -340,6 +358,10 @@ bool OSMetrics::FillOSMemoryDump(base::ProcessId pid,
+ 
+ // static
+ std::vector<VmRegionPtr> OSMetrics::GetProcessMemoryMaps(base::ProcessId pid) {
++#if defined(OS_BSD)
++  NOTIMPLEMENTED();
++  return std::vector<VmRegionPtr>();
++#else
+   std::vector<VmRegionPtr> maps;
+   uint32_t res = 0;
+   if (g_proc_smaps_for_testing) {
+@@ -357,6 +379,7 @@ std::vector<VmRegionPtr> OSMetrics::GetProcessMemoryMa
+     return std::vector<VmRegionPtr>();
+ 
+   return maps;
++#endif
+ }
+ 
+ // static
+@@ -364,6 +387,10 @@ OSMetrics::MappedAndResidentPagesDumpState OSMetrics::
+     const size_t start_address,
+     const size_t end_address,
+     std::vector<uint8_t>* accessed_pages_bitmap) {
++#if defined(OS_BSD)
++  NOTIMPLEMENTED();
++  return OSMetrics::MappedAndResidentPagesDumpState::kFailure;
++#else
+   const char* kPagemap = "/proc/self/pagemap";
+ 
+   base::ScopedFILE pagemap_file(fopen(kPagemap, "r"));
+@@ -411,6 +438,7 @@ OSMetrics::MappedAndResidentPagesDumpState OSMetrics::
+     }
+   }
+   return OSMetrics::MappedAndResidentPagesDumpState::kSuccess;
++#endif
+ }
+ 
+ // static