tsan: close all file descriptors after fork()

llvm-svn: 159263
2012-06-27 12:48:46 +00:00 · 2012-06-27 12:48:46 +00:00 · f8b7a8dc08
parent b15b37f73a
commit f8b7a8dc08
1 changed files with 2 additions and 0 deletions
--- a/compiler-rt/lib/tsan/rtl/tsan_symbolize_addr2line_linux.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_symbolize_addr2line_linux.cc
@ -69,6 +69,8 @@ static void NOINLINE InitModule(ModuleDesc *m) {
    internal_close(outfd[1]);
    internal_close(infd[0]);
    internal_close(infd[1]);
+    for (int fd = getdtablesize(); fd > 2; fd--)
+      internal_close(fd);
    execl("/usr/bin/addr2line", "/usr/bin/addr2line", "-Cfe", m->fullname, 0);
    _exit(0);
  } else if (pid < 0) {