kernel_optimize_test/arch/um/include/asm/irqflags.h
Al Viro a34978cbd9 um: kill system-um.h
most of it belonged in irqflags.h, actually

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
2011-11-02 14:15:34 +01:00

43 lines
751 B
C

#ifndef __UM_IRQFLAGS_H
#define __UM_IRQFLAGS_H
extern int get_signals(void);
extern int set_signals(int enable);
extern void block_signals(void);
extern void unblock_signals(void);
static inline unsigned long arch_local_save_flags(void)
{
return get_signals();
}
static inline void arch_local_irq_restore(unsigned long flags)
{
set_signals(flags);
}
static inline void arch_local_irq_enable(void)
{
unblock_signals();
}
static inline void arch_local_irq_disable(void)
{
block_signals();
}
static inline unsigned long arch_local_irq_save(void)
{
unsigned long flags;
flags = arch_local_save_flags();
arch_local_irq_disable();
return flags;
}
static inline bool arch_irqs_disabled(void)
{
return arch_local_save_flags() == 0;
}
#endif