Merge "Check for errors in dup2"

6 years ago · b1166633b6
parent b46a2f7dea be857bfd9b
commit b1166633b6
1 changed files with 4 additions and 1 deletions
--- a/Utils.cpp
+++ b/Utils.cpp
@ -312,7 +312,10 @@ status_t ForkExecvp(const std::vector<std::string>& args, std::vector<std::strin
            }
        }
        pipe_read.reset();
-        dup2(pipe_write.get(), STDOUT_FILENO);
+        if (dup2(pipe_write.get(), STDOUT_FILENO) == -1) {
+            PLOG(ERROR) << "dup2 in ForkExecvp";
+            _exit(EXIT_FAILURE);
+        }
        pipe_write.reset();
        execvp(argv[0], const_cast<char**>(argv.data()));
        PLOG(ERROR) << "exec in ForkExecvp";