发布时间：2015-11-09 10:21:16
The GNU library provides a convenient way to retry a call after a temporary failure, with the macro TEMP_FAILURE_RETRY: — Macro: TEMP_FAILURE_RETRY (expression)This macro evaluates expression once, and examines its value as type long int. If the value equals -1, that indicates a failu.........【阅读全文】
