signal.h raw

   1  #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
   2   || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
   3  
   4  #if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
   5  # define MINSIGSTKSZ 2048
   6  # define SIGSTKSZ 8192
   7  #endif
   8  
   9  typedef unsigned long __riscv_mc_gp_state[32];
  10  
  11  struct __riscv_mc_f_ext_state {
  12  	unsigned int __f[32];
  13  	unsigned int __fcsr;
  14  };
  15  
  16  struct __riscv_mc_d_ext_state {
  17  	unsigned long long __f[32];
  18  	unsigned int __fcsr;
  19  };
  20  
  21  struct __riscv_mc_q_ext_state {
  22  	unsigned long long __f[64] __attribute__((aligned(16)));
  23  	unsigned int __fcsr;
  24  	unsigned int __reserved[3];
  25  };
  26  
  27  union __riscv_mc_fp_state {
  28  	struct __riscv_mc_f_ext_state __f;
  29  	struct __riscv_mc_d_ext_state __d;
  30  	struct __riscv_mc_q_ext_state __q;
  31  };
  32  
  33  typedef struct mcontext_t {
  34  	__riscv_mc_gp_state __gregs;
  35  	union __riscv_mc_fp_state __fpregs;
  36  } mcontext_t;
  37  
  38  #if defined(_GNU_SOURCE)
  39  #define REG_PC 0
  40  #define REG_RA 1
  41  #define REG_SP 2
  42  #define REG_TP 4
  43  #define REG_S0 8
  44  #define REG_A0 10
  45  #endif
  46  
  47  #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
  48  typedef unsigned long greg_t;
  49  typedef unsigned long gregset_t[32];
  50  typedef union __riscv_mc_fp_state fpregset_t;
  51  struct sigcontext {
  52  	gregset_t gregs;
  53  	fpregset_t fpregs;
  54  };
  55  #endif
  56  
  57  struct sigaltstack {
  58  	void *ss_sp;
  59  	int ss_flags;
  60  	size_t ss_size;
  61  };
  62  
  63  typedef struct __ucontext
  64  {
  65  	unsigned long uc_flags;
  66  	struct __ucontext *uc_link;
  67  	stack_t uc_stack;
  68  	sigset_t uc_sigmask;
  69  	mcontext_t uc_mcontext;
  70  } ucontext_t;
  71  
  72  #define SA_NOCLDSTOP 1
  73  #define SA_NOCLDWAIT 2
  74  #define SA_SIGINFO   4
  75  #define SA_ONSTACK   0x08000000
  76  #define SA_RESTART   0x10000000
  77  #define SA_NODEFER   0x40000000
  78  #define SA_RESETHAND 0x80000000
  79  #define SA_RESTORER  0x04000000
  80  
  81  #endif
  82  
  83  #define SIGHUP     1
  84  #define SIGINT     2
  85  #define SIGQUIT    3
  86  #define SIGILL     4
  87  #define SIGTRAP    5
  88  #define SIGABRT    6
  89  #define SIGIOT     SIGABRT
  90  #define SIGBUS     7
  91  #define SIGFPE     8
  92  #define SIGKILL    9
  93  #define SIGUSR1   10
  94  #define SIGSEGV   11
  95  #define SIGUSR2   12
  96  #define SIGPIPE   13
  97  #define SIGALRM   14
  98  #define SIGTERM   15
  99  #define SIGSTKFLT 16
 100  #define SIGCHLD   17
 101  #define SIGCONT   18
 102  #define SIGSTOP   19
 103  #define SIGTSTP   20
 104  #define SIGTTIN   21
 105  #define SIGTTOU   22
 106  #define SIGURG    23
 107  #define SIGXCPU   24
 108  #define SIGXFSZ   25
 109  #define SIGVTALRM 26
 110  #define SIGPROF   27
 111  #define SIGWINCH  28
 112  #define SIGIO     29
 113  #define SIGPOLL   SIGIO
 114  #define SIGPWR    30
 115  #define SIGSYS    31
 116  #define SIGUNUSED SIGSYS
 117  
 118  #define _NSIG     65
 119