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// 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.
#include "base/process_util.h"
#import <Foundation/Foundation.h>
#include <mach/task.h>
#include <stdio.h>
#include "base/logging.h"
// This is just enough of a shim to let the support needed by test_support
// link. In general, process_util isn't valid on iOS.
namespace base {
namespace {
void StackDumpSignalHandler(int signal) {
LOG(ERROR) << "Received signal " << signal;
NSArray *stack_symbols = [NSThread callStackSymbols];
for (NSString* stack_symbol in stack_symbols) {
fprintf(stderr, "\t%s\n", [stack_symbol UTF8String]);
}
_exit(1);
}
bool GetTaskInfo(task_basic_info_64* task_info_data) {
mach_msg_type_number_t count = TASK_BASIC_INFO_64_COUNT;
kern_return_t kr = task_info(mach_task_self(),
TASK_BASIC_INFO_64,
reinterpret_cast<task_info_t>(task_info_data),
&count);
return kr == KERN_SUCCESS;
}
} // namespace
ProcessId GetCurrentProcId() {
return getpid();
}
ProcessHandle GetCurrentProcessHandle() {
return GetCurrentProcId();
}
void EnableTerminationOnHeapCorruption() {
// On iOS, there nothing to do AFAIK.
}
void EnableTerminationOnOutOfMemory() {
// iOS provides this for free!
}
bool EnableInProcessStackDumping() {
// When running in an application, our code typically expects SIGPIPE
// to be ignored. Therefore, when testing that same code, it should run
// with SIGPIPE ignored as well.
struct sigaction action;
action.sa_handler = SIG_IGN;
action.sa_flags = 0;
sigemptyset(&action.sa_mask);
bool success = (sigaction(SIGPIPE, &action, NULL) == 0);
success &= (signal(SIGILL, &StackDumpSignalHandler) != SIG_ERR);
success &= (signal(SIGABRT, &StackDumpSignalHandler) != SIG_ERR);
success &= (signal(SIGFPE, &StackDumpSignalHandler) != SIG_ERR);
success &= (signal(SIGBUS, &StackDumpSignalHandler) != SIG_ERR);
success &= (signal(SIGSEGV, &StackDumpSignalHandler) != SIG_ERR);
success &= (signal(SIGSYS, &StackDumpSignalHandler) != SIG_ERR);
return success;
}
void RaiseProcessToHighPriority() {
// Impossible on iOS. Do nothing.
}
ProcessMetrics::ProcessMetrics(ProcessHandle process) {}
ProcessMetrics::~ProcessMetrics() {}
// static
ProcessMetrics* ProcessMetrics::CreateProcessMetrics(ProcessHandle process) {
return new ProcessMetrics(process);
}
size_t ProcessMetrics::GetWorkingSetSize() const {
task_basic_info_64 task_info_data;
if (!GetTaskInfo(&task_info_data))
return 0;
return task_info_data.resident_size;
}
} // namespace base
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