Hi, Well, not so scary. That's the mac list. From a not so recent mac with Xcode 7 installed it looks like the below. The good news here is that the common signals have the same numbers. And how often do you get an SIGXCPU? cheers bruce #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 /* abort() */ #define SIGPOLL 7 /* pollable event ([XSR] generated, not supported) */ #else /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #define SIGIOT SIGABRT /* compatibility */ #define SIGEMT 7 /* EMT instruction */ #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #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 SIGTTIN 21 /* to readers pgrp upon background tty read */ #if (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) #define SIGIO 23 /* input/output possible signal */ #endif #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 */ #if (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) #define SIGWINCH 28 /* window size changes */ #define SIGINFO 29 /* information request */ #endif #define SIGUSR1 30 /* user defined signal 1 */ #define SIGUSR2 31 /* user defined signal 2 */ > Bruce O'Neel wrote: > > Hi, > > > > Posix requires that if the process is killed the return status is > > greater than 128. > > > > What is convention on linux systems is that if the process is sent a > > signal then the signal number is added to 128. Therefore 137 is SIGKILL > > (kill -9). SIGTERM is 143, SIGABRT is 134, SIGSEGV is 139, and so on. > > I've not seen an exception to this but there could be. > > > > Signals off of my closest linux system look like: > > > > #define SIGHUP 1 > > #define SIGINT 2 > > #define SIGQUIT 3 > > #define SIGILL 4 > > #define SIGTRAP 5 > > #define SIGABRT 6 > > #define SIGIOT 6 > > #define SIGBUS 7 > > #define SIGFPE 8 > > #define SIGKILL 9 > > #define SIGUSR1 10 > > #define SIGSEGV 11 > > #define SIGUSR2 12 > > #define SIGPIPE 13 > > #define SIGALRM 14 > > #define SIGTERM 15 > > Scary, because Esteban's sigtrapping package has them defined a bit > differently: > > { #category : #'class initialization' } > POSIXSignal class >> initialize [ > SIGHUP := 1. > SIGINT := 2. > SIGQUIT := 3. > SIGILL := 4. > SIGTRAP := 5. > SIGABRT := 6. > SIGPOLL := 7. > SIGIOT := SIGABRT. > SIGEMT := 7. > SIGFPE := 8. > SIGKILL := 9. > SIGBUS := 10. > SIGSEGV := 11. > SIGSYS := 12. > SIGPIPE := 13. > SIGALRM := 14. > SIGTERM := 15. > SIGURG := 16. > SIGSTOP := 17. > SIGTSTP := 18. > SIGCONT := 19. > SIGCHLD := 20. > SIGTTIN := 21. > SIGTTOU := 22. > SIGIO := 23. > SIGXCPU := 24. > SIGXFSZ := 25. > SIGVTALRM := 26. > SIGPROF := 27. > SIGWINCH := 28. > SIGINFO := 29. > SIGUSR1 := 30. > SIGUSR2 := 31. > ]