Commit fbb42e7f authored by Johannes Berg's avatar Johannes Berg Committed by Richard Weinberger
Browse files

um: export signals_enabled directly 



Use signals_enabled instead of always jumping through
a function call to read it, there's not much point in
that.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
parent 2efea7df

arch/um/include/asm/irqflags.h

+5 −5
Original line number Diff line number Diff line
@@ -2,15 +2,15 @@ 
#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);

extern int signals_enabled;

int set_signals(int enable);

void block_signals(void);

void unblock_signals(void);



#define arch_local_save_flags arch_local_save_flags

static inline unsigned long arch_local_save_flags(void)

{

	return get_signals();

	return signals_enabled;

}



#define arch_local_irq_restore arch_local_irq_restore

arch/um/include/shared/longjmp.h

+7 −7
Original line number Diff line number Diff line
@@ -5,6 +5,7 @@ 
#include <sysdep/archsetjmp.h>

#include <os.h>



extern int signals_enabled;

extern int setjmp(jmp_buf);

extern void longjmp(jmp_buf, int);
@@ -13,9 +14,8 @@ extern void longjmp(jmp_buf, int); 
} while(0)



#define UML_SETJMP(buf) ({				\

	int n;	   \

	volatile int enable;	\

	enable = get_signals(); \

	int n, enable;					\

	enable = *(volatile int *)&signals_enabled;	\

	n = setjmp(*buf);				\

	if(n != 0)					\

		set_signals_trace(enable);		\

arch/um/include/shared/os.h

+0 −1
Original line number Diff line number Diff line
@@ -237,7 +237,6 @@ extern void send_sigio_to_self(void); 
extern int change_sig(int signal, int on);

extern void block_signals(void);

extern void unblock_signals(void);

extern int get_signals(void);

extern int set_signals(int enable);

extern int set_signals_trace(int enable);

extern int os_is_signal_stack(void);

arch/um/kernel/ksyms.c

+1 −1
Original line number Diff line number Diff line
@@ -7,7 +7,7 @@ 
#include <os.h>



EXPORT_SYMBOL(set_signals);

EXPORT_SYMBOL(get_signals);

EXPORT_SYMBOL(signals_enabled);



EXPORT_SYMBOL(os_stat_fd);

EXPORT_SYMBOL(os_stat_file);

arch/um/os-Linux/signal.c

+1 −6
Original line number Diff line number Diff line
@@ -62,7 +62,7 @@ static void sig_handler_common(int sig, struct siginfo *si, mcontext_t *mc) 
#define SIGALRM_BIT 1

#define SIGALRM_MASK (1 << SIGALRM_BIT)



static int signals_enabled;

int signals_enabled;

static unsigned int signals_pending;

static unsigned int signals_active = 0;
@@ -334,11 +334,6 @@ void unblock_signals(void) 
	}

}



int get_signals(void)

{

	return signals_enabled;

}



int set_signals(int enable)

{

	int ret;