Update Crashpad to b47bf6c250c6b825dee1c5fbad9152c2c962e828

third_party/crashpad/crashpad/test/multiprocess_exec_test_child.cc

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
 #include <errno.h>
 #include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/types.h>
 
 #include <algorithm>
 
 #if defined(__APPLE__) || defined(__linux__)
 #define OS_POSIX 1
 #elif defined(_WIN32)
 #define OS_WIN 1
 #endif
 
 #if defined(OS_POSIX)
+#include <sys/resource.h>
 #include <unistd.h>
 #elif defined(OS_WIN)
 #include <windows.h>
 #endif
 
 int main(int argc, char* argv[]) {
 #if defined(OS_POSIX)
   // Make sure that there’s nothing open at any FD higher than 3. All FDs other
   // than stdin, stdout, and stderr should have been closed prior to or at
   // exec().
-  int max_fd = std::max(static_cast<int>(sysconf(_SC_OPEN_MAX)), OPEN_MAX);
-  max_fd = std::max(max_fd, getdtablesize());
-  for (int fd = STDERR_FILENO + 1; fd < max_fd; ++fd) {
+  rlimit rlimit_nofile;
+  if (getrlimit(RLIMIT_NOFILE, &rlimit_nofile) != 0) {
+    abort();
+  }
+  for (int fd = STDERR_FILENO + 1;
+       fd < static_cast<int>(rlimit_nofile.rlim_cur);
+       ++fd) {
     if (close(fd) == 0 || errno != EBADF) {
       abort();
     }
   }
 
   // Read a byte from stdin, expecting it to be a specific value.
   char c;
   ssize_t rv = read(STDIN_FILENO, &c, 1);
   if (rv != 1 || c != 'z') {
     abort();
@@ skipping 22 matching lines @@
   DWORD bytes_written;
   if (!WriteFile(
           GetStdHandle(STD_OUTPUT_HANDLE), &c, 1, &bytes_written, nullptr) ||
       bytes_written != 1) {
     abort();
   }
 #endif  // OS_POSIX
 
   return 0;
 }