compiler-rt/test/tsan/Darwin/variadic-open.cpp

   1 // RUN: %clangxx_tsan -O1 %s -o %t && %run %t %t.tmp 2>&1 | FileCheck %s
   2 #include <stdio.h>
   3 #include <assert.h>
   4 #include <fcntl.h>
   5 #include <unistd.h>
   6 #include <sys/stat.h>
   7
   8 int main(int argc, char *argv[]) {
   9   fprintf(stderr, "Hello world.\n");
  10   assert(argv[1]);
  11   unlink(argv[1]);
  12   int fd = open(argv[1], O_RDWR | O_CREAT, 0600);
  13   assert(fd != -1);
  14   struct stat info;
  15   int result = fstat(fd, &info);
  16   fprintf(stderr, "permissions = 0%o\n", info.st_mode & ~S_IFMT);
  17   assert(result == 0);
  18   close(fd);
  19   fprintf(stderr, "Done.\n");
  20 }
  21
  22 // CHECK: Hello world.
  23 // CHECK: permissions = 0600
  24 // CHECK: Done.