1 | /* This file is to be kept in sync (well, reasonably so, it's quite |
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2 | different) with newlib/libc/include/sys/signal.h on which it is |
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3 | based, except values used or returned by syscalls must be those of |
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4 | the Linux/CRIS kernel. */ |
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5 | |
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6 | /* sys/signal.h */ |
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7 | |
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8 | #ifndef _SYS_SIGNAL_H |
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9 | #define _SYS_SIGNAL_H |
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10 | #ifdef __cplusplus |
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11 | extern "C" { |
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12 | #endif |
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13 | |
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14 | #include "_ansi.h" |
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15 | |
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16 | typedef unsigned long sigset_t; |
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17 | |
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18 | /* Adjusted to linux, has unused sa_restorer field and unsigned long |
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19 | sa_flags; relatively unimportant though. */ |
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20 | /* Type of a signal handler. */ |
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21 | typedef void (*__sighandler_t)(int); |
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22 | |
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23 | /* The type used in newlib sources. */ |
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24 | typedef __sighandler_t _sig_func_ptr; |
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25 | |
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26 | struct sigaction { |
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27 | __sighandler_t sa_handler; |
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28 | sigset_t sa_mask; |
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29 | unsigned long sa_flags; |
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30 | void (*sa_restorer)(void); |
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31 | }; |
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32 | |
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33 | /* Adjusted to glibc; other values. */ |
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34 | #define SA_NOCLDSTOP 1 /* only value supported now for sa_flags */ |
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35 | #define SIG_SETMASK 2 /* set mask with sigprocmask() */ |
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36 | #define SIG_BLOCK 0 /* set of signals to block */ |
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37 | #define SIG_UNBLOCK 1 /* set of signals to, well, unblock */ |
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38 | |
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39 | /* These depend upon the type of sigset_t, which right now |
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40 | is always a long.. They're in the POSIX namespace, but |
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41 | are not ANSI. */ |
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42 | #define sigaddset(what,sig) (*(what) |= (1<<(sig))) |
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43 | #define sigemptyset(what) (*(what) = 0) |
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44 | |
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45 | int sigprocmask (int __how, const sigset_t *__a, sigset_t *__b); |
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46 | |
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47 | /* The first argument is really a pid_t, but that's just a typedef'd |
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48 | int, so let's avoid requiring sys/types only for this declaration. */ |
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49 | int kill (int, int); |
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50 | |
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51 | #define SIGHUP 1 |
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52 | #define SIGINT 2 |
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53 | #define SIGQUIT 3 |
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54 | #define SIGILL 4 |
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55 | #define SIGTRAP 5 |
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56 | #define SIGABRT 6 |
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57 | #define SIGIOT 6 |
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58 | #define SIGBUS 7 |
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59 | #define SIGFPE 8 |
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60 | #define SIGKILL 9 |
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61 | #define SIGUSR1 10 |
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62 | #define SIGSEGV 11 |
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63 | #define SIGUSR2 12 |
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64 | #define SIGPIPE 13 |
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65 | #define SIGALRM 14 |
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66 | #define SIGTERM 15 |
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67 | #define SIGSTKFLT 16 |
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68 | #define SIGCHLD 17 |
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69 | #define SIGCONT 18 |
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70 | #define SIGSTOP 19 |
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71 | #define SIGTSTP 20 |
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72 | #define SIGTTIN 21 |
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73 | #define SIGTTOU 22 |
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74 | #define SIGURG 23 |
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75 | #define SIGXCPU 24 |
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76 | #define SIGXFSZ 25 |
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77 | #define SIGVTALRM 26 |
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78 | #define SIGPROF 27 |
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79 | #define SIGWINCH 28 |
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80 | #define SIGIO 29 |
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81 | #define SIGPOLL SIGIO |
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82 | #define SIGPWR 30 |
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83 | #define NSIG 31 |
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84 | |
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85 | #ifdef __cplusplus |
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86 | } |
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87 | #endif |
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88 | #ifndef _SIGNAL_H_ |
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89 | /* Some applications take advantage of the fact that <sys/signal.h> |
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90 | * and <signal.h> are equivalent in glibc. Allow for that here. */ |
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91 | #include <signal.h> |
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92 | #endif |
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93 | #endif /* _SYS_SIGNAL_H */ |
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