diff options
Diffstat (limited to 'winsup/cygwin/include/cygwin/signal.h')
| -rw-r--r-- | winsup/cygwin/include/cygwin/signal.h | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/winsup/cygwin/include/cygwin/signal.h b/winsup/cygwin/include/cygwin/signal.h new file mode 100644 index 00000000000..5e26bf42ff3 --- /dev/null +++ b/winsup/cygwin/include/cygwin/signal.h @@ -0,0 +1,187 @@ +#ifndef _CYGWIN_SIGNAL_H +#define _CYGWIN_SIGNAL_H + +#if 0 +struct ucontext +{ + unsigned long uc_flags; + void *uc_link; + stack_t uc_stack; + struct sigcontext uc_mcontext; + sigset_t uc_sigmask; +}; +#endif + +typedef union sigval +{ + int sival_int; /* integer signal value */ + void *sival_ptr; /* pointer signal value */ +} sigval_t; + +#pragma pack(push,4) +typedef struct +{ + int si_signo; /* signal number */ + int si_code; /* signal code */ + pid_t si_pid; /* sender's pid */ + uid_t si_uid; /* sender's uid */ + int si_errno; /* errno associated with signal */ + + union + { + __uint32_t __pad[120]; /* plan for future growth */ + union + { + /* timers */ + struct + { + union + { + struct + { + unsigned int si_tid; /* timer id */ + unsigned int si_overrun; /* overrun count */ + }; + }; + sigval_t si_sigval; /* signal value */ + }; + }; + + /* SIGCHLD */ + struct + { + int si_status; /* exit code */ + clock_t si_utime; /* user time */ + clock_t si_stime; /* system time */ + }; + + /* core dumping signals */ + void *si_addr; /* faulting address */ + }; +} siginfo_t; +#pragma pack(pop) + +enum +{ + SI_USER = 1, /* sent by kill, raise, pthread_kill */ + SI_ASYNCIO, /* sent by AIO completion (currently + unimplemented) */ + SI_MESGQ, /* sent by real time mesq state change + (currently unimplemented) */ + SI_TIMER, /* sent by timer expiration */ + SI_QUEUE, /* sent by sigqueue (currently + unimplemented) */ + SI_KERNEL, /* sent by system */ + + ILL_ILLOPC, /* illegal opcode */ + ILL_ILLOPN, /* illegal operand */ + ILL_ILLADR, /* illegal addressing mode */ + ILL_ILLTRP, /* illegal trap*/ + ILL_PRVOPC, /* privileged opcode */ + ILL_PRVREG, /* privileged register */ + ILL_COPROC, /* coprocessor error */ + ILL_BADSTK, /* internal stack error */ + + FPE_INTDIV, /* integer divide by zero */ + FPE_INTOVF, /* integer overflow */ + FPE_FLTDIV, /* floating point divide by zero */ + FPE_FLTOVF, /* floating point overflow */ + FPE_FLTUND, /* floating point underflow */ + FPE_FLTRES, /* floating point inexact result */ + FPE_FLTINV, /* floating point invalid operation */ + FPE_FLTSUB, /* subscript out of range */ + + SEGV_MAPERR, /* address not mapped to object */ + SEGV_ACCERR, /* invalid permissions for mapped object */ + + BUS_ADRALN, /* invalid address alignment. */ + BUS_ADRERR, /* non-existant physical address. */ + BUS_OBJERR, /* object specific hardware error. */ + + CLD_EXITED, /* child has exited */ + CLD_KILLED, /* child was killed */ + CLD_DUMPED, /* child terminated abnormally */ + CLD_TRAPPED, /* traced child has trapped */ + CLD_STOPPED, /* child has stopped */ + CLD_CONTINUED /* stopped child has continued */ +}; + +typedef struct sigevent +{ + sigval_t sigev_value; /* signal value */ + int sigev_signo; /* signal number */ + int sigev_notify; /* notification type */ + void (*sigev_notify_function) (sigval_t); /* notification function */ + pthread_attr_t *sigev_notify_attributes; /* notification attributes */ +} sigevent_t; + +enum +{ + SIGEV_SIGNAL = 0, /* a queued signal, with an application + defined value, is generated when the + event of interest occurs */ + SIGEV_NONE, /* no asynchronous notification is + delivered when the event of interest + occurs */ + SIGEV_THREAD /* a notification function is called to + perform notification */ +}; + +typedef void (*_sig_func_ptr)(int); + +struct sigaction +{ + union + { + _sig_func_ptr sa_handler; /* SIG_DFL, SIG_IGN, or pointer to a function */ + void (*sa_sigaction) ( int, siginfo_t *, void * ); + }; + sigset_t sa_mask; + int sa_flags; +}; + +#define SA_NOCLDSTOP 1 /* Do not generate SIGCHLD when children + stop */ +#define SA_SIGINFO 2 /* Invoke the signal catching function + with three arguments instead of one + */ +#define SA_RESTART 0x10000000 /* Restart syscall on signal return */ +#define SA_NODEFER 0x40000000 /* Don't automatically block the signal + when its handler is being executed */ +#define SA_RESETHAND 0x80000000 /* Reset to SIG_DFL on entry to handler */ + +#define SIGHUP 1 /* hangup */ +#define SIGINT 2 /* interrupt */ +#define SIGQUIT 3 /* quit */ +#define SIGILL 4 /* illegal instruction (not reset when caught) */ +#define SIGTRAP 5 /* trace trap (not reset when caught) */ +#define SIGABRT 6 /* used by abort */ +#define SIGEMT 7 /* EMT instruction */ +#define SIGFPE 8 /* floating point exception */ +#define SIGKILL 9 /* kill (cannot be caught or ignored) */ +#define SIGBUS 10 /* bus error */ +#define SIGSEGV 11 /* segmentation violation */ +#define SIGSYS 12 /* bad argument to system call */ +#define SIGPIPE 13 /* write on a pipe with no one to read it */ +#define SIGALRM 14 /* alarm clock */ +#define SIGTERM 15 /* software termination signal from kill */ +#define SIGURG 16 /* urgent condition on IO channel */ +#define SIGSTOP 17 /* sendable stop signal not from tty */ +#define SIGTSTP 18 /* stop signal from tty */ +#define SIGCONT 19 /* continue a stopped process */ +#define SIGCHLD 20 /* to parent on child stop or exit */ +#define SIGCLD 20 /* System V name for SIGCHLD */ +#define SIGTTIN 21 /* to readers pgrp upon background tty read */ +#define SIGTTOU 22 /* like TTIN for output if (tp->t_local<OSTOP) */ +#define SIGIO 23 /* input/output possible signal */ +#define SIGPOLL SIGIO /* System V name for SIGIO */ +#define SIGXCPU 24 /* exceeded CPU time limit */ +#define SIGXFSZ 25 /* exceeded file size limit */ +#define SIGVTALRM 26 /* virtual time alarm */ +#define SIGPROF 27 /* profiling time alarm */ +#define SIGWINCH 28 /* window changed */ +#define SIGLOST 29 /* resource lost (eg, record-lock lost) */ +#define SIGUSR1 30 /* user defined signal 1 */ +#define SIGUSR2 31 /* user defined signal 2 */ +#define NSIG 32 /* signal 0 implied */ +#endif /*_CYGWIN_SIGNAL_H*/ |