X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fkern%2Fproc_p.h;h=d99d5fc187d6090eea283304d43c3a49e881d1e5;hb=19decd4a0bdfff674f1e4f5caea1e6b6844e5e48;hp=2c914d9e81698d2645507800c406a205407a412b;hpb=cf6017f59fb2ff71423c716ad9d9f60a1b65c7d0;p=bertos.git diff --git a/bertos/kern/proc_p.h b/bertos/kern/proc_p.h index 2c914d9e..d99d5fc1 100644 --- a/bertos/kern/proc_p.h +++ b/bertos/kern/proc_p.h @@ -47,7 +47,7 @@ #include -#if CONFIG_KERN_PREEMPTIVE +#if CONFIG_KERN_PREEMPT #include // XXX #endif @@ -58,7 +58,7 @@ typedef struct Process #else Node link; /**< Link Process into scheduler lists */ #endif - cpustack_t *stack; /**< Per-process SP */ + cpu_stack_t *stack; /**< Per-process SP */ iptr_t user_data; /**< Custom data passed to the process */ #if CONFIG_KERN_SIGNALS @@ -71,11 +71,11 @@ typedef struct Process #endif #if CONFIG_KERN_HEAP | CONFIG_KERN_MONITOR | (ARCH & ARCH_EMUL) - cpustack_t *stack_base; /**< Base of process stack */ + cpu_stack_t *stack_base; /**< Base of process stack */ size_t stack_size; /**< Size of process stack */ #endif -#if CONFIG_KERN_PREEMPTIVE +#if CONFIG_KERN_PREEMPT ucontext_t context; #endif @@ -104,37 +104,34 @@ extern REGISTER Process *CurrentProcess; /** * Track ready processes. * - * Access to this list must be protected with a proc_forbid() / proc_premit() - * pair, or with SCHED_ATOMIC() + * Access to this list must be performed with interrupts disabled */ extern REGISTER List ProcReadyList; #if CONFIG_KERN_PRI - /** - * Enqueue a task in the ready list. - * - * 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) do { \ - LIST_ASSERT_VALID(&ProcReadyList); \ - LIST_ENQUEUE(&ProcReadyList, &(proc)->link); \ - } while (0) - -#else // !CONFIG_KERN_PRI - - #define SCHED_ENQUEUE(proc) do { \ - LIST_ASSERT_VALID(&ProcReadyList); \ - ADDTAIL(&ProcReadyList, &(proc)->link); \ - } while (0) - -#endif // !CONFIG_KERN_PRI - -/** Schedule to another process *without* adding the current to the ready list. */ -void proc_schedule(void); + #define SCHED_ENQUEUE_INTERNAL(proc) LIST_ENQUEUE(&ProcReadyList, &(proc)->link) +#else + #define SCHED_ENQUEUE_INTERNAL(proc) ADDTAIL(&ProcReadyList, &(proc)->link) +#endif + +/** + * Enqueue a process in the ready list. + * + * Always use this macro to instert a process in the ready list, as its + * might vary to implement a different scheduling algorithms. + * + * \note Access to the scheduler ready list must be performed with + * interrupts disabled. + */ +#define SCHED_ENQUEUE(proc) do { \ + IRQ_ASSERT_DISABLED(); \ + LIST_ASSERT_VALID(&ProcReadyList); \ + SCHED_ENQUEUE_INTERNAL(proc); \ + } while (0) + + +/// Schedule another process *without* adding the current one to the ready list. +void proc_switch(void); #if CONFIG_KERN_PREEMPT void proc_entry(void (*user_entry)(void));