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  • 详细描述

为了增进性能和更好的适应POSIX标准,Open C的下一个发布版将会在架构上有诸多改进。其中一些变化也会影响到以前版本的的二进制兼容性。


  • 如何重演
int shm_id ;
if ((shm_id = shmget(1000, 100, 512))== -1) {
printf("shared memory create failed with errno %d\n", errno);
if ((shm_id = shmget(1000, 200, 1536))== -1) {
/* now returns with errno = 17 ( not errno = 22 ) */
printf("Shared memory create failed with errno %d\n", errno);

  • 解决方案

Open C程序应该准备好处理这些返回错误值的变化。

This page was last modified on 8 August 2012, at 02:07.
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