Wrap calls to dup() in shared_memory_posix.cc in HANDLE_EINTR.

base/memory/shared_memory_posix.cc

 // 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/memory/shared_memory.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/mman.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
 
 #include "base/files/file_util.h"
 #include "base/files/scoped_file.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
+#include "base/posix/eintr_wrapper.h"
 #include "base/process/process_metrics.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/safe_strerror_posix.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/platform_thread.h"
 #include "base/threading/thread_restrictions.h"
 
 #if defined(OS_MACOSX)
 #include "base/mac/foundation_util.h"
@@ skipping 367 matching lines @@
   if (readonly_fd.is_valid()) {
     struct stat readonly_st = {};
     if (fstat(readonly_fd.get(), &readonly_st))
       NOTREACHED();
     if (st.st_dev != readonly_st.st_dev || st.st_ino != readonly_st.st_ino) {
       LOG(ERROR) << "writable and read-only inodes don't match; bailing";
       return false;
     }
   }
 
-  mapped_file_ = dup(fileno(fp.get()));
+  mapped_file_ = HANDLE_EINTR(dup(fileno(fp.get())));
   if (mapped_file_ == -1) {
     if (errno == EMFILE) {
       LOG(WARNING) << "Shared memory creation failed; out of file descriptors";
       return false;
     } else {
       NOTREACHED() << "Call to dup failed, errno=" << errno;
     }
   }
   inode_ = st.st_ino;
   readonly_mapped_file_ = readonly_fd.release();
@@ skipping 58 matching lines @@
       handle_to_dup = mapped_file_;
       break;
     case SHARE_READONLY:
       // We could imagine re-opening the file from /dev/fd, but that can't make
       // it readonly on Mac: https://codereview.chromium.org/27265002/#msg10
       CHECK_GE(readonly_mapped_file_, 0);
       handle_to_dup = readonly_mapped_file_;
       break;
   }
 
-  const int new_fd = dup(handle_to_dup);
+  const int new_fd = HANDLE_EINTR(dup(handle_to_dup));
   if (new_fd < 0) {
     DPLOG(ERROR) << "dup() failed.";
     return false;
   }
 
   new_handle->fd = new_fd;
   new_handle->auto_close = true;
 
   if (close_self) {
     Unmap();
     Close();
   }
 
   return true;
 }
 
 }  // namespace base