projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| a6559e03 C |
1 | #!/bin/sh |
| 2 | # generate rc's internal signal table from signal.h | |
| 3 | ||
| 4 | exec > sigmsgs.c | |
| 5 | ||
| 6 | echo '#include "sigmsgs.h"' | |
| 7 | echo | |
| 8 | echo 'Sigmsgs signals[] = {' | |
| 9 | ||
| 10 | sed ' s/\/\*[ ]*// | |
| 11 | s/[ ]*\*\/// | |
| 12 | s/([@*+!]) // | |
| 13 | s/[ ]*([a-zA-Z,->& ]*)[ ]*// | |
| 14 | s/^[ ]*\#[ ]*define/\#define/ | |
| 15 | s/[ ]*signal$//' $1 | | |
| 16 | awk ' | |
| 17 | BEGIN { | |
| 18 | # assign to nomesg["SIGNAME"] to suppress a long message | |
| 19 | nomesg["SIGINT"] = 1 | |
| 20 | nomesg["SIGPIPE"] = 1 | |
| 21 | # assign to mesg["SIGNAME"] to override a message | |
| 22 | mesg["SIGHUP"] = "hangup" | |
| 23 | mesg["SIGKILL"] = "killed" | |
| 24 | mesg["SIGQUIT"] = "quit" | |
| 25 | mesg["SIGTERM"] = "terminated" | |
| 26 | mesg["SIGURG"] = "urgent condition on i/o channel" | |
| 27 | mesg["SIGSTOP"] = "stop signal not from tty" | |
| 28 | mesg["SIGTSTP"] = "stopped" | |
| 29 | mesg["SIGCONT"] = "continue" | |
| 30 | mesg["SIGCHLD"] = "child stop or exit" | |
| 31 | mesg["SIGTTIN"] = "background tty read" | |
| 32 | mesg["SIGTTOU"] = "background tty write" | |
| 33 | # assign to ignore["SIGNAME"] to explicitly ignore a named signal | |
| 34 | ignore["SIGMAX"] = 1 | |
| 35 | } | |
| 36 | $1 == "#define" && $2 == "NSIG" && $3 ~ /^[0-9]+$/ { nsig = $3 } | |
| 37 | $1 == "#define" && $2 ~ /^SIG/ && $3 ~ /^[0-9]+$/ && sig[$3] == "" && ignore[$2] == 0 { | |
| 38 | sig[$3] = $2 | |
| 39 | if ($3 > max) | |
| 40 | max = $3 | |
| 41 | if (mesg[$2] == "" && nomesg[$2] == 0) { | |
| 42 | str = $4 | |
| 43 | for (i = 5; i <= NF; i++) | |
| 44 | str = str " " $i | |
| 45 | mesg[$2] = str | |
| 46 | } | |
| 47 | } | |
| 48 | END { | |
| 49 | if (nsig == 0) | |
| 50 | nsig = max + 1 | |
| 51 | printf " {!!, !!},\n" | |
| 52 | for (i = 1; i < nsig; i++) { | |
| 53 | if (sig[i] == "") | |
| 54 | printf " {!!, !!},\n" | |
| 55 | else | |
| 56 | printf " {!%s!, !%s!},\n", sig[i], mesg[sig[i]] | |
| 57 | } | |
| 58 | } | |
| 59 | ' | | |
| 60 | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ!' 'abcdefghijklmnopqrstuvwxyz"' | |
| 61 | ||
| 62 | echo '};' | |
| 63 | ||
| 64 | exec > sigmsgs.h | |
| 65 | ||
| 66 | echo 'typedef struct {' | |
| 67 | echo ' char *name, *msg;' | |
| 68 | echo '} Sigmsgs;' | |
| 69 | echo 'extern Sigmsgs signals[];' | |
| 70 | ||
| 71 | grep '^ ' sigmsgs.c | # the thing in quotes is ^<tab> | |
| 72 | awk ' | |
| 73 | { sum = sum + 1; } | |
| 74 | END { print "#define NUMOFSIGNALS", sum } | |
| 75 | ' |