Add signal numbers to signal(3).

Approved by:    simon(mentor)
Reviewed by:    ru
Submitted by:   Stefan Farfeleder <stefan@fafoe.narf.at>
PR:             docs/60044

1 files changed, 36 insertions, 33 deletions

diff --git a/lib/libc/gen/signal.3 b/lib/libc/gen/signal.3
index 0e3b9ed..3a21e68 100644
--- a/lib/libc/gen/signal.3
+++ b/lib/libc/gen/signal.3
@@ -90,47 +90,50 @@ function allows for a signal to be caught, to be ignored, or to generate
 an interrupt.
 These signals are defined in the file
 .In signal.h :
-.Bl -column SIGVTALARMXX "create core imagexxx"
-.It Sy "Name	Default Action	Description"
-.It Dv SIGHUP Ta "terminate process" Ta "terminal line hangup"
-.It Dv SIGINT Ta "terminate process" Ta "interrupt program"
-.It Dv SIGQUIT Ta "create core image" Ta "quit program"
-.It Dv SIGILL Ta "create core image" Ta "illegal instruction"
-.It Dv SIGTRAP Ta "create core image" Ta "trace trap"
-.It Dv SIGABRT Ta "create core image" Ta "abort program"
+.Bl -column No SIGVTALRM "create core image"
+.It Sy "No	Name	Default Action	Description"
+.It 1 Ta Dv SIGHUP Ta "terminate process" Ta "terminal line hangup"
+.It 2 Ta Dv SIGINT Ta "terminate process" Ta "interrupt program"
+.It 3 Ta Dv SIGQUIT Ta "create core image" Ta "quit program"
+.It 4 Ta Dv SIGILL Ta "create core image" Ta "illegal instruction"
+.It 5 Ta Dv SIGTRAP Ta "create core image" Ta "trace trap"
+.It 6 Ta Dv SIGABRT Ta "create core image" Ta "abort program"
 (formerly
 .Dv SIGIOT )
-.It Dv SIGEMT Ta "create core image" Ta "emulate instruction executed"
-.It Dv SIGFPE Ta "create core image" Ta "floating-point exception"
-.It Dv SIGKILL Ta "terminate process" Ta "kill program"
-.It Dv SIGBUS Ta "create core image" Ta "bus error"
-.It Dv SIGSEGV Ta "create core image" Ta "segmentation violation"
-.It Dv SIGSYS Ta "create core image" Ta "non-existent system call invoked"
-.It Dv SIGPIPE Ta "terminate process" Ta "write on a pipe with no reader"
-.It Dv SIGALRM Ta "terminate process" Ta "real-time timer expired"
-.It Dv SIGTERM Ta "terminate process" Ta "software termination signal"
-.It Dv SIGURG Ta "discard signal" Ta "urgent condition present on socket"
-.It Dv SIGSTOP Ta "stop process" Ta "stop (cannot be caught or ignored)"
-.It Dv SIGTSTP Ta "stop process" Ta "stop signal generated from keyboard"
-.It Dv SIGCONT Ta "discard signal" Ta "continue after stop"
-.It Dv SIGCHLD Ta "discard signal" Ta "child status has changed"
-.It Dv SIGTTIN Ta "stop process" Ta "background read attempted from control terminal"
-.It Dv SIGTTOU Ta "stop process" Ta "background write attempted to control terminal"
-.It Dv SIGIO Ta "discard signal" Ta Tn "I/O"
+.It 7 Ta Dv SIGEMT Ta "create core image" Ta "emulate instruction executed"
+.It 8 Ta Dv SIGFPE Ta "create core image" Ta "floating-point exception"
+.It 9 Ta Dv SIGKILL Ta "terminate process" Ta "kill program"
+.It 10 Ta Dv SIGBUS Ta "create core image" Ta "bus error"
+.It 11 Ta Dv SIGSEGV Ta "create core image" Ta "segmentation violation"
+.It 12 Ta Dv SIGSYS Ta "create core image" Ta "non-existent system call invoked"
+.It 13 Ta Dv SIGPIPE Ta "terminate process" Ta "write on a pipe with no reader"
+.It 14 Ta Dv SIGALRM Ta "terminate process" Ta "real-time timer expired"
+.It 15 Ta Dv SIGTERM Ta "terminate process" Ta "software termination signal"
+.It 16 Ta Dv SIGURG Ta "discard signal" Ta "urgent condition present on socket"
+.It 17 Ta Dv SIGSTOP Ta "stop process" Ta "stop (cannot be caught or ignored)"
+.It 18 Ta Dv SIGTSTP Ta "stop process" Ta "stop signal generated from keyboard"
+.It 19 Ta Dv SIGCONT Ta "discard signal" Ta "continue after stop"
+.It 20 Ta Dv SIGCHLD Ta "discard signal" Ta "child status has changed"
+.It 21 Ta Dv SIGTTIN Ta "stop process" Ta "background read attempted from"
+control terminal
+.It 22 Ta Dv SIGTTOU Ta "stop process" Ta "background write attempted to"
+control terminal
+.It 23 Ta Dv SIGIO Ta "discard signal" Ta Tn "I/O"
 is possible on a descriptor (see
 .Xr fcntl 2 )
-.It Dv SIGXCPU Ta "terminate process" Ta "cpu time limit exceeded (see"
+.It 24 Ta Dv SIGXCPU Ta "terminate process" Ta "cpu time limit exceeded (see"
 .Xr setrlimit 2 )
-.It Dv SIGXFSZ Ta "terminate process" Ta "file size limit exceeded (see"
+.It 25 Ta Dv SIGXFSZ Ta "terminate process" Ta "file size limit exceeded (see"
 .Xr setrlimit 2 )
-.It Dv SIGVTALRM Ta "terminate process" Ta "virtual time alarm (see"
+.It 26 Ta Dv SIGVTALRM Ta "terminate process" Ta "virtual time alarm (see"
 .Xr setitimer 2 )
-.It Dv SIGPROF Ta "terminate process" Ta "profiling timer alarm (see"
+.It 27 Ta Dv SIGPROF Ta "terminate process" Ta "profiling timer alarm (see"
 .Xr setitimer 2 )
-.It Dv SIGWINCH Ta "discard signal" Ta "Window size change"
-.It Dv SIGINFO Ta "discard signal" Ta "status request from keyboard"
-.It Dv SIGUSR1 Ta "terminate process" Ta "User defined signal 1"
-.It Dv SIGUSR2 Ta "terminate process" Ta "User defined signal 2"
+.It 28 Ta Dv SIGWINCH Ta "discard signal" Ta "Window size change"
+.It 29 Ta Dv SIGINFO Ta "discard signal" Ta "status request from keyboard"
+.It 30 Ta Dv SIGUSR1 Ta "terminate process" Ta "User defined signal 1"
+.It 31 Ta Dv SIGUSR2 Ta "terminate process" Ta "User defined signal 2"
+.It 32 Ta Dv SIGTHR Ta "terminate process" Ta "thread interrupt"
 .El
 .Pp
 The