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TOMOYO Linux Cross Reference
Linux/arch/powerpc/include/uapi/asm/signal.h

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  1 #ifndef _UAPI_ASM_POWERPC_SIGNAL_H
  2 #define _UAPI_ASM_POWERPC_SIGNAL_H
  3 
  4 #include <linux/types.h>
  5 
  6 #define _NSIG           64
  7 #ifdef __powerpc64__
  8 #define _NSIG_BPW       64
  9 #else
 10 #define _NSIG_BPW       32
 11 #endif
 12 #define _NSIG_WORDS     (_NSIG / _NSIG_BPW)
 13 
 14 typedef unsigned long old_sigset_t;             /* at least 32 bits */
 15 
 16 typedef struct {
 17         unsigned long sig[_NSIG_WORDS];
 18 } sigset_t;
 19 
 20 #define SIGHUP           1
 21 #define SIGINT           2
 22 #define SIGQUIT          3
 23 #define SIGILL           4
 24 #define SIGTRAP          5
 25 #define SIGABRT          6
 26 #define SIGIOT           6
 27 #define SIGBUS           7
 28 #define SIGFPE           8
 29 #define SIGKILL          9
 30 #define SIGUSR1         10
 31 #define SIGSEGV         11
 32 #define SIGUSR2         12
 33 #define SIGPIPE         13
 34 #define SIGALRM         14
 35 #define SIGTERM         15
 36 #define SIGSTKFLT       16
 37 #define SIGCHLD         17
 38 #define SIGCONT         18
 39 #define SIGSTOP         19
 40 #define SIGTSTP         20
 41 #define SIGTTIN         21
 42 #define SIGTTOU         22
 43 #define SIGURG          23
 44 #define SIGXCPU         24
 45 #define SIGXFSZ         25
 46 #define SIGVTALRM       26
 47 #define SIGPROF         27
 48 #define SIGWINCH        28
 49 #define SIGIO           29
 50 #define SIGPOLL         SIGIO
 51 /*
 52 #define SIGLOST         29
 53 */
 54 #define SIGPWR          30
 55 #define SIGSYS          31
 56 #define SIGUNUSED       31
 57 
 58 /* These should not be considered constants from userland.  */
 59 #define SIGRTMIN        32
 60 #define SIGRTMAX        _NSIG
 61 
 62 /*
 63  * SA_FLAGS values:
 64  *
 65  * SA_ONSTACK is not currently supported, but will allow sigaltstack(2).
 66  * SA_RESTART flag to get restarting signals (which were the default long ago)
 67  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
 68  * SA_RESETHAND clears the handler when the signal is delivered.
 69  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
 70  * SA_NODEFER prevents the current signal from being masked in the handler.
 71  *
 72  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
 73  * Unix names RESETHAND and NODEFER respectively.
 74  */
 75 #define SA_NOCLDSTOP    0x00000001U
 76 #define SA_NOCLDWAIT    0x00000002U
 77 #define SA_SIGINFO      0x00000004U
 78 #define SA_ONSTACK      0x08000000U
 79 #define SA_RESTART      0x10000000U
 80 #define SA_NODEFER      0x40000000U
 81 #define SA_RESETHAND    0x80000000U
 82 
 83 #define SA_NOMASK       SA_NODEFER
 84 #define SA_ONESHOT      SA_RESETHAND
 85 
 86 #define SA_RESTORER     0x04000000U
 87 
 88 #define MINSIGSTKSZ     2048
 89 #define SIGSTKSZ        8192
 90 
 91 #include <asm-generic/signal-defs.h>
 92 
 93 #ifndef __KERNEL__
 94 struct old_sigaction {
 95         __sighandler_t sa_handler;
 96         old_sigset_t sa_mask;
 97         unsigned long sa_flags;
 98         __sigrestore_t sa_restorer;
 99 };
100 
101 struct sigaction {
102         __sighandler_t sa_handler;
103         unsigned long sa_flags;
104         __sigrestore_t sa_restorer;
105         sigset_t sa_mask;               /* mask last for extensibility */
106 };
107 #endif
108 
109 typedef struct sigaltstack {
110         void __user *ss_sp;
111         int ss_flags;
112         size_t ss_size;
113 } stack_t;
114 
115 
116 #ifndef __powerpc64__
117 /*
118  * These are parameters to dbg_sigreturn syscall.  They enable or
119  * disable certain debugging things that can be done from signal
120  * handlers.  The dbg_sigreturn syscall *must* be called from a
121  * SA_SIGINFO signal so the ucontext can be passed to it.  It takes an
122  * array of struct sig_dbg_op, which has the debug operations to
123  * perform before returning from the signal.
124  */
125 struct sig_dbg_op {
126         int dbg_type;
127         unsigned long dbg_value;
128 };
129 
130 /* Enable or disable single-stepping.  The value sets the state. */
131 #define SIG_DBG_SINGLE_STEPPING         1
132 
133 /* Enable or disable branch tracing.  The value sets the state. */
134 #define SIG_DBG_BRANCH_TRACING          2
135 #endif /* ! __powerpc64__ */
136 
137 #endif /* _UAPI_ASM_POWERPC_SIGNAL_H */
138 

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