[standalone, mac] Set the process title based on the main script.
This makes it easier to identify the responsible program when a Dart process has high CPU or memory usage.
TEST=look at Activity Monitor
Change-Id: Ibcdcc1becf72a25dab5b010accdd8dcd199a0ba1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/214137
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
diff --git a/runtime/bin/platform_macos.cc b/runtime/bin/platform_macos.cc
index 0c22675..b78112e 100644
--- a/runtime/bin/platform_macos.cc
+++ b/runtime/bin/platform_macos.cc
@@ -13,6 +13,7 @@
#if !DART_HOST_OS_IOS
#include <crt_externs.h> // NOLINT
#endif // !DART_HOST_OS_IOS
+#include <dlfcn.h> // NOLINT
#include <errno.h> // NOLINT
#include <mach-o/dyld.h>
#include <signal.h> // NOLINT
@@ -251,7 +252,98 @@
return path_size;
}
-void Platform::SetProcessName(const char* name) {}
+void Platform::SetProcessName(const char* name) {
+ pthread_setname_np(name);
+
+#if !defined(DART_HOST_OS_IOS) && !defined(DART_PRECOMPILED_RUNTIME)
+ // Attempt to set the name displayed in ActivityMonitor.
+ // https://codereview.chromium.org/659007/
+
+ class ScopedDLHandle : public ValueObject {
+ public:
+ explicit ScopedDLHandle(void* handle) : handle_(handle) {}
+ ~ScopedDLHandle() {
+ if (handle_ != NULL) dlclose(handle_);
+ }
+ void* get() const { return handle_; }
+
+ private:
+ void* handle_;
+ DISALLOW_COPY_AND_ASSIGN(ScopedDLHandle);
+ };
+
+ class ScopedCFStringRef : public ValueObject {
+ public:
+ explicit ScopedCFStringRef(const char* s)
+ : ref_(CFStringCreateWithCString(NULL, (s), kCFStringEncodingUTF8)) {}
+ ~ScopedCFStringRef() {
+ if (ref_ != NULL) CFRelease(ref_);
+ }
+ CFStringRef get() const { return ref_; }
+
+ private:
+ CFStringRef ref_;
+ DISALLOW_COPY_AND_ASSIGN(ScopedCFStringRef);
+ };
+
+ ScopedDLHandle application_services_handle(
+ dlopen("/System/Library/Frameworks/ApplicationServices.framework/"
+ "Versions/A/ApplicationServices",
+ RTLD_LAZY | RTLD_LOCAL));
+ if (application_services_handle.get() == NULL) return;
+
+ ScopedCFStringRef launch_services_bundle_name("com.apple.LaunchServices");
+ CFBundleRef launch_services_bundle =
+ CFBundleGetBundleWithIdentifier(launch_services_bundle_name.get());
+ if (launch_services_bundle == NULL) return;
+
+#define GET_FUNC(name, cstr) \
+ ScopedCFStringRef name##_id(cstr); \
+ *reinterpret_cast<void**>(&name) = CFBundleGetFunctionPointerForName( \
+ launch_services_bundle, name##_id.get()); \
+ if (name == NULL) return;
+
+#define GET_DATA(name, cstr) \
+ ScopedCFStringRef name##_id(cstr); \
+ *reinterpret_cast<void**>(&name) = \
+ CFBundleGetDataPointerForName(launch_services_bundle, name##_id.get()); \
+ if (name == NULL) return;
+
+ CFTypeRef (*_LSGetCurrentApplicationASN)(void);
+ GET_FUNC(_LSGetCurrentApplicationASN, "_LSGetCurrentApplicationASN");
+
+ OSStatus (*_LSSetApplicationInformationItem)(int, CFTypeRef, CFStringRef,
+ CFStringRef, CFDictionaryRef*);
+ GET_FUNC(_LSSetApplicationInformationItem,
+ "_LSSetApplicationInformationItem");
+
+ CFDictionaryRef (*_LSApplicationCheckIn)(int, CFDictionaryRef);
+ GET_FUNC(_LSApplicationCheckIn, "_LSApplicationCheckIn");
+
+ void (*_LSSetApplicationLaunchServicesServerConnectionStatus)(uint64_t,
+ void*);
+ GET_FUNC(_LSSetApplicationLaunchServicesServerConnectionStatus,
+ "_LSSetApplicationLaunchServicesServerConnectionStatus");
+
+ CFStringRef* _kLSDisplayNameKey;
+ GET_DATA(_kLSDisplayNameKey, "_kLSDisplayNameKey");
+ if (*_kLSDisplayNameKey == NULL) return;
+
+ _LSSetApplicationLaunchServicesServerConnectionStatus(0, NULL);
+
+ _LSApplicationCheckIn(-2, CFBundleGetInfoDictionary(CFBundleGetMainBundle()));
+
+ CFTypeRef asn;
+ asn = _LSGetCurrentApplicationASN();
+ if (asn == NULL) return;
+
+ ScopedCFStringRef cf_name(name);
+ _LSSetApplicationInformationItem(-2, asn, *_kLSDisplayNameKey, cf_name.get(),
+ NULL);
+#undef GET_DATA
+#undef GET_FUNC
+#endif // !defined(DART_HOST_OS_IOS)
+}
void Platform::Exit(int exit_code) {
Console::RestoreConfig();
