78 int ExecAndReturnCode(std::vector<std::string>& arg_vector, std::string* error_msg) {  in ExecAndReturnCode()  argument
81     *error_msg = StringPrintf("Failed to execv(%s) because fork failed: %s",  in ExecAndReturnCode()
90     *error_msg = StringPrintf("Failed after fork for execv(%s) because waitpid failed: "  in ExecAndReturnCode()
104                       std::string* error_msg) {  in ExecAndReturnCode()  argument
110     *error_msg = StringPrintf("Failed to execv(%s) because fork failed: %s",  in ExecAndReturnCode()
120     *error_msg = StringPrintf("Failed to set sigprocmask(): %s", strerror(errno));  in ExecAndReturnCode()
132     *error_msg = StringPrintf("Fail to restore sigprocmask(): %s", strerror(errno));  in ExecAndReturnCode()
141       *error_msg = "Timed out.";  in ExecAndReturnCode()
144       *error_msg = StringPrintf("Failed to sigtimedwait(): %s", strerror(errno));  in ExecAndReturnCode()
155     *error_msg = StringPrintf("Failed after fork for execv(%s) because waitpid failed: "  in ExecAndReturnCode()
167 bool Exec(std::vector<std::string>& arg_vector, std::string* error_msg) {  in Exec()  argument
168   int status = ExecAndReturnCode(arg_vector, error_msg);  in Exec()
170     *error_msg = StringPrintf("Failed execv(%s) because non-0 exit status",  in Exec()