X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fkern%2Fproc_p.h;h=24c02fe3de612b385fa76bbdfc43bb407b0c50e0;hb=f481adc9d8e495b3a306c996a8e064ccdd70ac43;hp=d69794103bdd943530c525cce2fe0dbf13eb0c1f;hpb=4108302ecc1a63518e91b3ee0ade5d50d89453b6;p=bertos.git diff --git a/bertos/kern/proc_p.h b/bertos/kern/proc_p.h index d6979410..24c02fe3 100644 --- a/bertos/kern/proc_p.h +++ b/bertos/kern/proc_p.h @@ -94,14 +94,23 @@ typedef struct Process /** Track running processes. */ extern REGISTER Process *CurrentProcess; -/** Track ready processes. */ +/** + * Track ready processes. + * + * Access to this list must be protected with a proc_forbid() / proc_premit() + * pair, or with SCHED_ATOMIC() + */ extern REGISTER List ProcReadyList; /** * Enqueue a task in the ready list. * - * \note This is *NOT* protected against + * Always use this macro to instert a process in the ready list, as its + * might vary to implement a different scheduling algorithms. + * + * \note This macro is *NOT* protected against the scheduler. Access to + * this list must be performed with interrupts disabled. */ #define SCHED_ENQUEUE(proc) ADDTAIL(&ProcReadyList, &(proc)->link)