On 2021-11-15, Ajay Bhargav via lwip-users <lwip-users@nongnu.org> wrote:
> No, I am not assuming mutext required to be nested either. but I thought sys_arch_protect/unprotect are required to nest? > Infact my implementation had only simple lock unlock only. And as > far as I know, lwip do not use nesting of lock, as its obvious that > not all system support recursion. > And lev is usually common return value of isr flags when disable_irq or > enter_critical is called in most systems and is not a mandatory requirement > either. Based on your implementation, You may simply return a 0 in protect > and not use lev in unprotect at all. So protect/unprotect are not required to nest? -- Grant _______________________________________________ lwip-users mailing list lwip-users@nongnu.org https://lists.nongnu.org/mailman/listinfo/lwip-users
