4 #include <uapi/asm/signal.h>
6 /* Most things should be clean enough to redefine this at will, if care
7 is taken to make libc match. */
11 #define _NSIG_WORDS (_NSIG / _NSIG_BPW)
13 typedef unsigned long old_sigset_t; /* at least 32 bits */
16 unsigned long sig[_NSIG_WORDS];
19 struct old_sigaction {
20 __sighandler_t sa_handler;
22 unsigned long sa_flags;
23 __sigrestore_t sa_restorer;
27 __sighandler_t sa_handler;
28 unsigned long sa_flags;
29 __sigrestore_t sa_restorer;
30 sigset_t sa_mask; /* mask last for extensibility */
36 #include <asm/sigcontext.h>
38 #ifndef CONFIG_CPU_HAS_NO_BITFIELDS
39 #define __HAVE_ARCH_SIG_BITOPS
41 static inline void sigaddset(sigset_t *set, int _sig)
43 asm ("bfset %0{%1,#1}"
45 : "id" ((_sig - 1) ^ 31)
49 static inline void sigdelset(sigset_t *set, int _sig)
51 asm ("bfclr %0{%1,#1}"
53 : "id" ((_sig - 1) ^ 31)
57 static inline int __const_sigismember(sigset_t *set, int _sig)
59 unsigned long sig = _sig - 1;
60 return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW));
63 static inline int __gen_sigismember(sigset_t *set, int _sig)
66 asm ("bfextu %1{%2,#1},%0"
68 : "o" (*set), "id" ((_sig-1) ^ 31)
73 #define sigismember(set,sig) \
74 (__builtin_constant_p(sig) ? \
75 __const_sigismember(set,sig) : \
76 __gen_sigismember(set,sig))
78 static inline int sigfindinword(unsigned long word)
80 asm ("bfffo %1{#0,#0},%0"
87 #endif /* !CONFIG_CPU_HAS_NO_BITFIELDS */
90 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
93 extern void ptrace_signal_deliver(struct pt_regs *regs, void *cookie);
94 #endif /* __uClinux__ */
96 #endif /* _M68K_SIGNAL_H */