Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/arch/x86/include/asm/signal.h
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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_SIGNAL_H #define _ASM_X86_SIGNAL_H #ifndef __ASSEMBLY__ #include <linux/linkage.h> /* Most things should be clean enough to redefine this at will, if care is taken to make libc match. */ #define _NSIG 64 #ifdef __i386__ # define _NSIG_BPW 32 #else # define _NSIG_BPW 64 #endif #define _NSIG_WORDS (_NSIG / _NSIG_BPW) typedef unsigned long old_sigset_t; /* at least 32 bits */ typedef struct { unsigned long sig[_NSIG_WORDS]; } sigset_t; /* non-uapi in-kernel SA_FLAGS for those indicates ABI for a signal frame */ #define SA_IA32_ABI 0x02000000u #define SA_X32_ABI 0x01000000u #ifndef CONFIG_COMPAT typedef sigset_t compat_sigset_t; #endif #endif /* __ASSEMBLY__ */ #include <uapi/asm/signal.h> #ifndef __ASSEMBLY__ extern void do_signal(struct pt_regs *regs); #define __ARCH_HAS_SA_RESTORER #include <asm/asm.h> #include <uapi/asm/sigcontext.h> #ifdef __i386__ #define __HAVE_ARCH_SIG_BITOPS #define sigaddset(set,sig) \ (__builtin_constant_p(sig) \ ? __const_sigaddset((set), (sig)) \ : __gen_sigaddset((set), (sig))) static inline void __gen_sigaddset(sigset_t *set, int _sig) { asm("btsl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc"); } static inline void __const_sigaddset(sigset_t *set, int _sig) { unsigned long sig = _sig - 1; set->sig[sig / _NSIG_BPW] |= 1 << (sig % _NSIG_BPW); } #define sigdelset(set, sig) \ (__builtin_constant_p(sig) \ ? __const_sigdelset((set), (sig)) \ : __gen_sigdelset((set), (sig))) static inline void __gen_sigdelset(sigset_t *set, int _sig) { asm("btrl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc"); } static inline void __const_sigdelset(sigset_t *set, int _sig) { unsigned long sig = _sig - 1; set->sig[sig / _NSIG_BPW] &= ~(1 << (sig % _NSIG_BPW)); } static inline int __const_sigismember(sigset_t *set, int _sig) { unsigned long sig = _sig - 1; return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW)); } static inline int __gen_sigismember(sigset_t *set, int _sig) { bool ret; asm("btl %2,%1" CC_SET(c) : CC_OUT(c) (ret) : "m"(*set), "Ir"(_sig-1)); return ret; } #define sigismember(set, sig) \ (__builtin_constant_p(sig) \ ? __const_sigismember((set), (sig)) \ : __gen_sigismember((set), (sig))) struct pt_regs; #else /* __i386__ */ #undef __HAVE_ARCH_SIG_BITOPS #endif /* !__i386__ */ #endif /* __ASSEMBLY__ */ #endif /* _ASM_X86_SIGNAL_H */
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