cpu: Add qemu_for_each_cpu()

Wrapper to avoid open-coded loops and to make CPUState iteration
independent of CPUArchState.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Michael S. Tsirkin 2013-04-24 22:58:04 +02:00 committed by Andreas Färber
parent 997395d388
commit d6b9e0d60c
2 changed files with 19 additions and 0 deletions

10
exec.c
View File

@ -265,6 +265,16 @@ CPUState *qemu_get_cpu(int index)
return env ? cpu : NULL;
}
void qemu_for_each_cpu(void (*func)(CPUState *cpu, void *data), void *data)
{
CPUArchState *env = first_cpu;
while (env) {
func(ENV_GET_CPU(env), data);
env = env->next_cpu;
}
}
void cpu_exec_init(CPUArchState *env)
{
CPUState *cpu = ENV_GET_CPU(env);

View File

@ -215,6 +215,15 @@ bool cpu_is_stopped(CPUState *cpu);
*/
void run_on_cpu(CPUState *cpu, void (*func)(void *data), void *data);
/**
* qemu_for_each_cpu:
* @func: The function to be executed.
* @data: Data to pass to the function.
*
* Executes @func for each CPU.
*/
void qemu_for_each_cpu(void (*func)(CPUState *cpu, void *data), void *data);
/**
* qemu_get_cpu:
* @index: The CPUState@cpu_index value of the CPU to obtain.