37 lines
651 B
C
37 lines
651 B
C
#ifndef KERNEL_PERCPU_H_
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#define KERNEL_PERCPU_H_
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#include <magenta/status.h>
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#include <kernel/compiler.h>
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#include <kernel/sched.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define DEFINE_PERCPU_VAR(type, name) \
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__section(".data.percpu") type name
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#define percpu_get(var) \
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__extension__({ \
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preempt_disable(); \
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__percpu_get(this_cpu(), var); \
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})
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#define percpu_get_from(cpu, var) \
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__extension__({ \
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preempt_disable(); \
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__percpu_get(cpu, var); \
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})
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#define percpu_put(var) preempt_enable();
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extern kern_status_t init_per_cpu_areas(void);
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extern void *__percpu_get(unsigned int cpu, void *var);
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#ifdef __cplusplus
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}
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#endif
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#endif
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