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() */

#if�� (defined(_POSIX_C_SOURCE) && !defined(_DARWIN_C_SOURCE))

#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 */

#define SIGTTOU 22�� /* like TTIN for output if (tp->t_local&LTOSTOP) */

#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 */

31 October 2017 14:56 Herby Voj��k <herby@mailbox.sk> wrote:

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.
]