--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/compiler-rt/test/tsan/Linux/syscall.h	Tue Jun 08 06:07:14 2021 +0900
@@ -0,0 +1,45 @@
+#include <fcntl.h>
+#include <sanitizer/linux_syscall_hooks.h>
+#include <signal.h>
+#include <sys/syscall.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+int myfork() {
+  __sanitizer_syscall_pre_fork();
+#ifdef SYS_fork
+  int res = syscall(SYS_fork);
+#else
+  int res = syscall(SYS_clone, SIGCHLD, 0);
+#endif
+  __sanitizer_syscall_post_fork(res);
+  return res;
+}
+
+int mypipe(int pipefd[2]) {
+  __sanitizer_syscall_pre_pipe(pipefd);
+  int res = syscall(SYS_pipe2, pipefd, 0);
+  __sanitizer_syscall_post_pipe(res, pipefd);
+  return res;
+}
+
+int myclose(int fd) {
+  __sanitizer_syscall_pre_close(fd);
+  int res = syscall(SYS_close, fd);
+  __sanitizer_syscall_post_close(res, fd);
+  return res;
+}
+
+ssize_t myread(int fd, void *buf, size_t count) {
+  __sanitizer_syscall_pre_read(fd, buf, count);
+  ssize_t res = syscall(SYS_read, fd, buf, count);
+  __sanitizer_syscall_post_read(res, fd, buf, count);
+  return res;
+}
+
+ssize_t mywrite(int fd, const void *buf, size_t count) {
+  __sanitizer_syscall_pre_write(fd, buf, count);
+  ssize_t res = syscall(SYS_write, fd, buf, count);
+  __sanitizer_syscall_post_write(res, fd, buf, count);
+  return res;
+}