diff options
Diffstat (limited to 'mit-pthreads/machdep/alpha-osf1/__signal.h')
| -rwxr-xr-x | mit-pthreads/machdep/alpha-osf1/__signal.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/mit-pthreads/machdep/alpha-osf1/__signal.h b/mit-pthreads/machdep/alpha-osf1/__signal.h new file mode 100755 index 00000000000..2bb13380314 --- /dev/null +++ b/mit-pthreads/machdep/alpha-osf1/__signal.h @@ -0,0 +1,106 @@ +#include <standards.h> + +typedef int sig_atomic_t; /* accessable as an atomic entity (ANSI) */ + +/* + * valid signal values: all undefined values are reserved for future use + * note: POSIX requires a value of 0 to be used as the null signal in kill() + */ +#define SIGHUP 1 /* hangup, generated when terminal disconnects */ +#define SIGINT 2 /* interrupt, generated from terminal special char */ +#define SIGQUIT 3 /* (*) quit, generated from terminal special char */ +#define SIGILL 4 /* (*) illegal instruction (not reset when caught)*/ +#define SIGTRAP 5 /* (*) trace trap (not reset when caught) */ +#define SIGABRT 6 /* (*) abort process */ +#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 (specification exception) */ +#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 timeout */ +#define SIGTERM 15 /* software termination signal */ +#define SIGURG 16 /* (+) urgent contition on I/O channel */ +#define SIGSTOP 17 /* (@) stop (cannot be caught or ignored) */ +#define SIGTSTP 18 /* (@) interactive stop */ +#define SIGCONT 19 /* (!) continue (cannot be caught or ignored) */ +#define SIGCHLD 20 /* (+) sent to parent on child stop or exit */ +#define SIGTTIN 21 /* (@) background read attempted from control terminal*/ +#define SIGTTOU 22 /* (@) background write attempted to control terminal */ +#define SIGIO 23 /* (+) I/O possible, or completed */ +#define SIGXCPU 24 /* cpu time limit exceeded (see setrlimit()) */ +#define SIGXFSZ 25 /* file size limit exceeded (see setrlimit()) */ +#define SIGVTALRM 26 /* virtual time alarm (see setitimer) */ +#define SIGPROF 27 /* profiling time alarm (see setitimer) */ +#define SIGWINCH 28 /* (+) window size changed */ +#define SIGINFO 29 /* information request */ +#define SIGUSR1 30 /* user defined signal 1 */ +#define SIGUSR2 31 /* user defined signal 2 */ +#define SIGMAX 31 +#define NSIG 31 + +/* + * additional signal names supplied for compatibility, only + */ +#define SIGIOINT SIGURG /* printer to backend error signal */ +#define SIGAIO SIGIO /* base lan i/o */ +#define SIGPTY SIGIO /* pty i/o */ +#define SIGPOLL SIGIO /* STREAMS version of this signal */ +#define SIGIOT SIGABRT /* abort (terminate) process */ +#define SIGLOST SIGIOT /* old BSD signal ?? */ +#define SIGPWR SIGINFO /* Power Fail/Restart -- SVID3/SVR4 */ +#define SIGCLD SIGCHLD + +/* + * valid signal action values; other values => pointer to handler function + */ +#define SIG_DFL (void (*)())0 +#define SIG_IGN (void (*)())1 + +/* + * values of "how" argument to sigprocmask() call + */ +#define SIG_BLOCK 1 +#define SIG_UNBLOCK 2 +#define SIG_SETMASK 3 + +/* + * sigaction structure used in sigaction() system call + * The order of the fields in this structure must match those in + * the sigvec structure (below). + */ +struct sigaction { + void (*sa_handler)(); /* signal handler, or action value */ + sigset_t sa_mask; /* signals to block while in handler */ + int sa_flags; /* signal action flags */ +}; + +#define __SIGEMPTYSET 0 +#define __SIGFILLSET 0xffffffff +#define __SIGADDSET(s, n) ( *(s) |= 1L << ((n) - 1), 0) +#define __SIGDELSET(s, n) ( *(s) &= ~(1L << ((n) - 1)), 0) +#define __SIGISMEMBER(s, n) ( (*(s) & (1L << ((n) - 1))) != (sigset_t)0) + + +#define SIGSTKSZ (16384) +#define MINSIGSTKSZ (4096) + +/* + * valid flags define for sa_flag field of sigaction structure + */ +#define SA_ONSTACK 0x00000001 /* run on special signal stack */ +#define SA_RESTART 0x00000002 /* restart system calls on sigs */ +#define SA_NOCLDSTOP 0x00000004 /* do not set SIGCHLD for child stops*/ +#define SA_NODEFER 0x00000008 /* don't block while handling */ +#define SA_RESETHAND 0x00000010 /* old sys5 style behavior */ +#define SA_NOCLDWAIT 0x00000020 /* no zombies */ +#define SA_SIGINFO 0x00000040 /* deliver siginfo to handler */ + +/* This is for sys/time.h */ +/* Removed for OSF1 V3.2 +typedef union sigval { + int sival_int; + void *sival_ptr; +} sigval_t; +*/ |