Linux sandbox: start adding syscall wrappers

sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions_unittests.cc

 // Copyright 2014 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 "sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h"
 
 #include <errno.h>
 #include <sched.h>
 #include <sys/syscall.h>
 #include <time.h>
 #include <unistd.h>
 
 #include "base/bind.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/sys_info.h"
 #include "base/threading/thread.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "sandbox/linux/bpf_dsl/bpf_dsl.h"
 #include "sandbox/linux/bpf_dsl/policy.h"
 #include "sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.h"
 #include "sandbox/linux/seccomp-bpf/bpf_tests.h"
 #include "sandbox/linux/seccomp-bpf/sandbox_bpf.h"
 #include "sandbox/linux/seccomp-bpf/syscall.h"
 #include "sandbox/linux/services/linux_syscalls.h"
+#include "sandbox/linux/services/syscall_wrappers.h"
 #include "sandbox/linux/tests/unit_tests.h"
 
 #if !defined(OS_ANDROID)
 #include "third_party/lss/linux_syscall_support.h"  // for MAKE_PROCESS_CPUCLOCK
 #endif
 
 namespace sandbox {
 
 namespace {
 
@@ skipping 120 matching lines @@
     }
   }
 };
 
 void CheckSchedGetParam(pid_t pid, struct sched_param* param) {
   BPF_ASSERT_EQ(0, sched_getparam(pid, param));
 }
 
 void SchedGetParamThread(base::WaitableEvent* thread_run) {
   const pid_t pid = getpid();
-  const pid_t tid = syscall(__NR_gettid);
+  const pid_t tid = sys_gettid();
   BPF_ASSERT_NE(pid, tid);
 
   struct sched_param current_pid_param;
   CheckSchedGetParam(pid, &current_pid_param);
 
   struct sched_param zero_param;
   CheckSchedGetParam(0, &zero_param);
 
   struct sched_param tid_param;
   CheckSchedGetParam(tid, &tid_param);
@@ skipping 27 matching lines @@
                  DEATH_SEGV_MESSAGE(sandbox::GetErrorMessageContentForTests()),
                  RestrictSchedPolicy) {
   const pid_t kInitPID = 1;
   struct sched_param param;
   sched_getparam(kInitPID, &param);
 }
 
 }  // namespace
 
 }  // namespace sandbox