1 #pragma once
2 
3 #ifdef __cplusplus
4 extern "C" {
5 #endif
6 
7 #include <features.h>
8 
9 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
10     defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
11 
12 #ifdef _GNU_SOURCE
13 #define __ucontext ucontext
14 #endif
15 
16 #define __NEED_size_t
17 #define __NEED_pid_t
18 #define __NEED_uid_t
19 #define __NEED_struct_timespec
20 #define __NEED_pthread_t
21 #define __NEED_pthread_attr_t
22 #define __NEED_time_t
23 #define __NEED_clock_t
24 #define __NEED_sigset_t
25 
26 #include <bits/alltypes.h>
27 
28 #define SIG_BLOCK 0
29 #define SIG_UNBLOCK 1
30 #define SIG_SETMASK 2
31 
32 #define SI_ASYNCNL (-60)
33 #define SI_TKILL (-6)
34 #define SI_SIGIO (-5)
35 #define SI_ASYNCIO (-4)
36 #define SI_MESGQ (-3)
37 #define SI_TIMER (-2)
38 #define SI_QUEUE (-1)
39 #define SI_USER 0
40 #define SI_KERNEL 128
41 
42 typedef struct sigaltstack stack_t;
43 
44 #endif
45 
46 #include <bits/signal.h>
47 
48 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
49     defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
50 
51 #define SIG_HOLD ((void (*)(int))2)
52 
53 #define FPE_INTDIV 1
54 #define FPE_INTOVF 2
55 #define FPE_FLTDIV 3
56 #define FPE_FLTOVF 4
57 #define FPE_FLTUND 5
58 #define FPE_FLTRES 6
59 #define FPE_FLTINV 7
60 #define FPE_FLTSUB 8
61 
62 #define ILL_ILLOPC 1
63 #define ILL_ILLOPN 2
64 #define ILL_ILLADR 3
65 #define ILL_ILLTRP 4
66 #define ILL_PRVOPC 5
67 #define ILL_PRVREG 6
68 #define ILL_COPROC 7
69 #define ILL_BADSTK 8
70 
71 #define SEGV_MAPERR 1
72 #define SEGV_ACCERR 2
73 #define SEGV_BNDERR 3
74 
75 #define BUS_ADRALN 1
76 #define BUS_ADRERR 2
77 #define BUS_OBJERR 3
78 #define BUS_MCEERR_AR 4
79 #define BUS_MCEERR_AO 5
80 
81 #define CLD_EXITED 1
82 #define CLD_KILLED 2
83 #define CLD_DUMPED 3
84 #define CLD_TRAPPED 4
85 #define CLD_STOPPED 5
86 #define CLD_CONTINUED 6
87 
88 union sigval {
89     int sival_int;
90     void* sival_ptr;
91 };
92 
93 typedef struct {
94 #ifdef __SI_SWAP_ERRNO_CODE
95     int si_signo, si_code, si_errno;
96 #else
97     int si_signo, si_errno, si_code;
98 #endif
99     union {
100         char __pad[128 - 2 * sizeof(int) - sizeof(long)];
101         struct {
102             union {
103                 struct {
104                     pid_t si_pid;
105                     uid_t si_uid;
106                 } __piduid;
107                 struct {
108                     int si_timerid;
109                     int si_overrun;
110                 } __timer;
111             } __first;
112             union {
113                 union sigval si_value;
114                 struct {
115                     int si_status;
116                     clock_t si_utime, si_stime;
117                 } __sigchld;
118             } __second;
119         } __si_common;
120         struct {
121             void* si_addr;
122             short si_addr_lsb;
123             struct {
124                 void* si_lower;
125                 void* si_upper;
126             } __addr_bnd;
127         } __sigfault;
128         struct {
129             long si_band;
130             int si_fd;
131         } __sigpoll;
132         struct {
133             void* si_call_addr;
134             int si_syscall;
135             unsigned si_arch;
136         } __sigsys;
137     } __si_fields;
138 } siginfo_t;
139 #define si_pid __si_fields.__si_common.__first.__piduid.si_pid
140 #define si_uid __si_fields.__si_common.__first.__piduid.si_uid
141 #define si_status __si_fields.__si_common.__second.__sigchld.si_status
142 #define si_utime __si_fields.__si_common.__second.__sigchld.si_utime
143 #define si_stime __si_fields.__si_common.__second.__sigchld.si_stime
144 #define si_value __si_fields.__si_common.__second.si_value
145 #define si_addr __si_fields.__sigfault.si_addr
146 #define si_addr_lsb __si_fields.__sigfault.si_addr_lsb
147 #define si_lower __si_fields.__sigfault.__addr_bnd.si_lower
148 #define si_upper __si_fields.__sigfault.__addr_bnd.si_upper
149 #define si_band __si_fields.__sigpoll.si_band
150 #define si_fd __si_fields.__sigpoll.si_fd
151 #define si_timerid __si_fields.__si_common.__first.__timer.si_timerid
152 #define si_overrun __si_fields.__si_common.__first.__timer.si_overrun
153 #define si_ptr si_value.sival_ptr
154 #define si_int si_value.sival_int
155 #define si_call_addr __si_fields.__sigsys.si_call_addr
156 #define si_syscall __si_fields.__sigsys.si_syscall
157 #define si_arch __si_fields.__sigsys.si_arch
158 
159 struct sigaction {
160     union {
161         void (*sa_handler)(int);
162         void (*sa_sigaction)(int, siginfo_t*, void*);
163     } __sa_handler;
164     sigset_t sa_mask;
165     int sa_flags;
166     void (*sa_restorer)(void);
167 };
168 #define sa_handler __sa_handler.sa_handler
169 #define sa_sigaction __sa_handler.sa_sigaction
170 
171 struct sigevent {
172     union sigval sigev_value;
173     int sigev_signo;
174     int sigev_notify;
175     void (*sigev_notify_function)(union sigval);
176     pthread_attr_t* sigev_notify_attributes;
177     char __pad[56 - 3 * sizeof(long)];
178 };
179 
180 #define SIGEV_SIGNAL 0
181 #define SIGEV_NONE 1
182 #define SIGEV_THREAD 2
183 
184 int __libc_current_sigrtmin(void);
185 int __libc_current_sigrtmax(void);
186 
187 #define SIGRTMIN (__libc_current_sigrtmin())
188 #define SIGRTMAX (__libc_current_sigrtmax())
189 
190 int kill(pid_t, int);
191 
192 int sigemptyset(sigset_t*);
193 int sigfillset(sigset_t*);
194 int sigaddset(sigset_t*, int);
195 int sigdelset(sigset_t*, int);
196 int sigismember(const sigset_t*, int);
197 
198 int sigprocmask(int, const sigset_t* __restrict, sigset_t* __restrict);
199 int sigsuspend(const sigset_t*);
200 int sigaction(int, const struct sigaction* __restrict, struct sigaction* __restrict);
201 int sigpending(sigset_t*);
202 int sigwait(const sigset_t* __restrict, int* __restrict);
203 int sigwaitinfo(const sigset_t* __restrict, siginfo_t* __restrict);
204 int sigtimedwait(const sigset_t* __restrict, siginfo_t* __restrict,
205                  const struct timespec* __restrict);
206 int sigqueue(pid_t, int, const union sigval);
207 
208 int pthread_sigmask(int, const sigset_t* __restrict, sigset_t* __restrict);
209 int pthread_kill(pthread_t, int);
210 
211 void psiginfo(const siginfo_t*, const char*);
212 void psignal(int, const char*);
213 
214 #endif
215 
216 #if defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
217 int killpg(pid_t, int);
218 int sigaltstack(const stack_t* __restrict, stack_t* __restrict);
219 int siginterrupt(int, int);
220 int sigpause(int);
221 #define TRAP_BRKPT 1
222 #define TRAP_TRACE 2
223 #define POLL_IN 1
224 #define POLL_OUT 2
225 #define POLL_MSG 3
226 #define POLL_ERR 4
227 #define POLL_PRI 5
228 #define POLL_HUP 6
229 #define SS_ONSTACK 1
230 #define SS_DISABLE 2
231 #endif
232 
233 #if defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
234 #define NSIG _NSIG
235 typedef void (*sig_t)(int);
236 #endif
237 
238 #ifdef _GNU_SOURCE
239 typedef void (*sighandler_t)(int);
240 void (*bsd_signal(int, void (*)(int)))(int);
241 int sigisemptyset(const sigset_t*);
242 int sigorset(sigset_t*, const sigset_t*, const sigset_t*);
243 int sigandset(sigset_t*, const sigset_t*, const sigset_t*);
244 
245 #define SA_NOMASK SA_NODEFER
246 #define SA_ONESHOT SA_RESETHAND
247 #endif
248 
249 #define SIG_ERR ((void (*)(int)) - 1)
250 #define SIG_DFL ((void (*)(int))0)
251 #define SIG_IGN ((void (*)(int))1)
252 
253 typedef int sig_atomic_t;
254 
255 void (*signal(int, void (*)(int)))(int);
256 int raise(int);
257 
258 #ifdef __cplusplus
259 }
260 #endif
261