X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=kern%2Fproc.c;h=164df21e91806b7f1cd366451af14ac2e92e0b56;hb=0021318b90d6cc2da07904de709f9901f77b2c86;hp=046108c930ad25867f1a999c3682a58555c2ecb1;hpb=1981202f8c3e005f0504137204ddef70fcbc824c;p=bertos.git diff --git a/kern/proc.c b/kern/proc.c index 046108c9..164df21e 100755 --- a/kern/proc.c +++ b/kern/proc.c @@ -17,6 +17,18 @@ /*#* *#* $Log$ + *#* Revision 1.24 2005/01/08 09:20:54 bernie + *#* Remove unused variable. + *#* + *#* Revision 1.23 2004/12/13 12:07:06 bernie + *#* DISABLE_IRQSAVE/ENABLE_IRQRESTORE: Convert to IRQ_SAVE_DISABLE/IRQ_RESTORE. + *#* + *#* Revision 1.22 2004/12/13 11:51:08 bernie + *#* DISABLE_INTS/ENABLE_INTS: Convert to IRQ_DISABLE/IRQ_ENABLE. + *#* + *#* Revision 1.21 2004/11/28 23:20:25 bernie + *#* Remove obsolete INITLIST macro. + *#* *#* Revision 1.20 2004/11/16 22:37:14 bernie *#* Replace IPTR with iptr_t. *#* @@ -146,7 +158,7 @@ static void proc_init_struct(Process *proc) void proc_init(void) { - INITLIST(&ProcReadyList); + LIST_INIT(&ProcReadyList); #if CONFIG_KERN_MONITOR monitor_init(); @@ -173,7 +185,6 @@ void proc_init(void) struct Process *proc_new_with_name(UNUSED(const char*, name), void (*entry)(void), iptr_t data, size_t stacksize, cpustack_t *stack_base) { Process *proc; - cpuflags_t flags; size_t i; size_t proc_size_words = ROUND2(sizeof(Process), sizeof(cpustack_t)) / sizeof(cpustack_t); #if CONFIG_KERN_HEAP @@ -245,9 +256,7 @@ struct Process *proc_new_with_name(UNUSED(const char*, name), void (*entry)(void CPU_PUSH_WORD(proc->stack, CPU_REG_INIT_VALUE(i)); /* Add to ready list */ - DISABLE_IRQSAVE(flags); - SCHED_ENQUEUE(proc); - ENABLE_IRQRESTORE(flags); + ATOMIC(SCHED_ENQUEUE(proc)); #if CONFIG_KERN_MONITOR monitor_add(proc, name, stack_base, stacksize); @@ -281,15 +290,15 @@ void proc_schedule(void) * the compiler might put them on the stack of the process * being switched out. */ - static Process *old_process; + static struct Process *old_process; static cpuflags_t flags; /* Remember old process to save its context later */ old_process = CurrentProcess; /* Poll on the ready queue for the first ready process */ - DISABLE_IRQSAVE(flags); - while (!(CurrentProcess = (struct Process*)REMHEAD(&ProcReadyList))) + IRQ_SAVE_DISABLE(flags); + while (!(CurrentProcess = (struct Process *)REMHEAD(&ProcReadyList))) { /* * Make sure we physically reenable interrupts here, no matter what @@ -297,22 +306,23 @@ void proc_schedule(void) * are idle-spinning, we must allow interrupts, otherwise no * process will ever wake up. * - * \todo If there was a way to code sig_wait so that it does not + * \todo If there was a way to write sig_wait() so that it does not * disable interrupts while waiting, there would not be any * reason to do this. */ - ENABLE_INTS; + IRQ_ENABLE; SCHEDULER_IDLE; - DISABLE_INTS; + IRQ_DISABLE; } - ENABLE_IRQRESTORE(flags); + IRQ_RESTORE(flags); - /* Optimization: don't switch contexts when the active + /* + * Optimization: don't switch contexts when the active * process has not changed. */ if (CurrentProcess != old_process) { - static cpustack_t* dummy; + static cpustack_t *dummy; #if CONFIG_KERN_PREEMPTIVE /* Reset quantum for this process */ @@ -380,9 +390,9 @@ void proc_switch(void) /* Just like proc_schedule, this function must not have auto variables. */ static cpuflags_t flags; - DISABLE_IRQSAVE(flags); + IRQ_SAVE_DISABLE(flags); SCHED_ENQUEUE(CurrentProcess); - ENABLE_IRQRESTORE(flags); + IRQ_RESTORE(flags); proc_schedule(); }