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TOMOYO Linux Cross Reference
Linux/include/asm-parisc/signal.h

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  1 #ifndef _ASM_PARISC_SIGNAL_H
  2 #define _ASM_PARISC_SIGNAL_H
  3 
  4 #define SIGHUP           1
  5 #define SIGINT           2
  6 #define SIGQUIT          3
  7 #define SIGILL           4
  8 #define SIGTRAP          5
  9 #define SIGABRT          6
 10 #define SIGIOT           6
 11 #define SIGEMT           7
 12 #define SIGFPE           8
 13 #define SIGKILL          9
 14 #define SIGBUS          10
 15 #define SIGSEGV         11
 16 #define SIGSYS          12 /* Linux doesn't use this */
 17 #define SIGPIPE         13
 18 #define SIGALRM         14
 19 #define SIGTERM         15
 20 #define SIGUSR1         16
 21 #define SIGUSR2         17
 22 #define SIGCHLD         18
 23 #define SIGPWR          19
 24 #define SIGVTALRM       20
 25 #define SIGPROF         21
 26 #define SIGIO           22
 27 #define SIGPOLL         SIGIO
 28 #define SIGWINCH        23
 29 #define SIGSTOP         24
 30 #define SIGTSTP         25
 31 #define SIGCONT         26
 32 #define SIGTTIN         27
 33 #define SIGTTOU         28
 34 #define SIGURG          29
 35 #define SIGLOST         30 /* Linux doesn't use this either */
 36 #define SIGUNUSED       31
 37 #define SIGRESERVE      SIGUNUSED
 38 
 39 #define SIGXCPU         33
 40 #define SIGXFSZ         34
 41 #define SIGSTKFLT       36
 42 
 43 /* These should not be considered constants from userland.  */
 44 #define SIGRTMIN        37
 45 #define SIGRTMAX        (_NSIG-1) /* it's 44 under HP/UX */
 46 
 47 /*
 48  * SA_FLAGS values:
 49  *
 50  * SA_ONSTACK indicates that a registered stack_t will be used.
 51  * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
 52  * SA_RESTART flag to get restarting signals (which were the default long ago)
 53  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
 54  * SA_RESETHAND clears the handler when the signal is delivered.
 55  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
 56  * SA_NODEFER prevents the current signal from being masked in the handler.
 57  *
 58  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
 59  * Unix names RESETHAND and NODEFER respectively.
 60  */
 61 #define SA_ONSTACK      0x00000001
 62 #define SA_RESETHAND    0x00000004
 63 #define SA_NOCLDSTOP    0x00000008
 64 #define SA_SIGINFO      0x00000010
 65 #define SA_NODEFER      0x00000020
 66 #define SA_RESTART      0x00000040
 67 #define SA_NOCLDWAIT    0x00000080 /* not supported yet */
 68 #define _SA_SIGGFAULT   0x00000100 /* HPUX */
 69 
 70 #define SA_NOMASK       SA_NODEFER
 71 #define SA_ONESHOT      SA_RESETHAND
 72 #define SA_INTERRUPT    0x20000000 /* dummy -- ignored */
 73 
 74 #define SA_RESTORER     0x04000000 /* obsolete -- ignored */
 75 
 76 /* 
 77  * sigaltstack controls
 78  */
 79 #define SS_ONSTACK      1
 80 #define SS_DISABLE      2
 81 
 82 #define MINSIGSTKSZ     2048
 83 #define SIGSTKSZ        8192
 84 
 85 #ifdef __KERNEL__
 86 
 87 #define _NSIG           64
 88 /* bits-per-word, where word apparently means 'long' not 'int' */
 89 #define _NSIG_BPW       BITS_PER_LONG
 90 #define _NSIG_WORDS     (_NSIG / _NSIG_BPW)
 91 
 92 /*
 93  * These values of sa_flags are used only by the kernel as part of the
 94  * irq handling routines.
 95  *
 96  * SA_INTERRUPT is also used by the irq handling routines.
 97  * SA_SHIRQ is for shared interrupt support on PCI and EISA.
 98  */
 99 #define SA_PROBE                SA_ONESHOT
100 #define SA_SAMPLE_RANDOM        SA_RESTART
101 #define SA_SHIRQ                0x04000000
102 
103 #endif /* __KERNEL__ */
104 
105 #define SIG_BLOCK          0    /* for blocking signals */
106 #define SIG_UNBLOCK        1    /* for unblocking signals */
107 #define SIG_SETMASK        2    /* for setting the signal mask */
108 
109 #define SIG_DFL ((__sighandler_t)0)     /* default signal handling */
110 #define SIG_IGN ((__sighandler_t)1)     /* ignore signal */
111 #define SIG_ERR ((__sighandler_t)-1)    /* error return from signal */
112 
113 # ifndef __ASSEMBLY__
114 
115 #  include <linux/types.h>
116 
117 /* Avoid too many header ordering problems.  */
118 struct siginfo;
119 
120 /* Type of a signal handler.  */
121 #ifdef __LP64__
122 /* function pointers on 64-bit parisc are pointers to little structs and the
123  * compiler doesn't support code which changes or tests the address of
124  * the function in the little struct.  This is really ugly -PB
125  */
126 typedef __kernel_caddr_t __sighandler_t;
127 #else
128 typedef void (*__sighandler_t)(int);
129 #endif
130 
131 typedef struct sigaltstack {
132         void *ss_sp;
133         int ss_flags;
134         size_t ss_size;
135 } stack_t;
136 
137 #ifdef __KERNEL__
138 
139 /* Most things should be clean enough to redefine this at will, if care
140    is taken to make libc match.  */
141 
142 typedef unsigned long old_sigset_t;             /* at least 32 bits */
143 
144 typedef struct {
145         /* next_signal() assumes this is a long - no choice */
146         unsigned long sig[_NSIG_WORDS];
147 } sigset_t;
148 
149 struct sigaction {
150         __sighandler_t sa_handler;
151         unsigned long sa_flags;
152         sigset_t sa_mask;               /* mask last for extensibility */
153 };
154 
155 struct k_sigaction {
156         struct sigaction sa;
157 };
158 
159 #include <asm/sigcontext.h>
160 
161 #endif /* __KERNEL__ */
162 #endif /* !__ASSEMBLY */
163 #endif /* _ASM_PARISC_SIGNAL_H */
164 

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