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Add missing .El. Replace Ta outside its defined usage with No (no change 

to text output).
This commit is contained in:
wiz 2018-05-23 07:06:45 +00:00
parent 1a15da2ec7
commit e46faeed68
1 changed files with 34 additions and 34 deletions
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68
share/man/man7/signal.7
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@ -1,4 +1,4 @@
.\" $NetBSD: signal.7,v 1.21 2018/05/22 02:31:57 kamil Exp $
.\" $NetBSD: signal.7,v 1.22 2018/05/23 07:06:45 wiz Exp $
.\"
.\" Copyright (c) 1999, 2016 The NetBSD Foundation, Inc.
.\" All rights reserved.
@ -152,10 +152,9 @@ These are numbered 1 to 32.
no-op with some signal operations.)
.Pp
Detailed descriptions of these signals follow.
.Pp
.Bl -tag -width "aaa"
.\" ************
.It Dv SIGHUP (Hangup)
.It Dv SIGHUP No (Hangup)
This signal is generated by the tty driver
.Xr tty 4
to indicate a hangup condition on a process's controlling terminal:
@ -169,7 +168,7 @@ The number for
.Dv SIGHUP
is 1, which is quite well known.
.\" ************
.It Dv SIGINT (Interrupt)
.It Dv SIGINT No (Interrupt)
This signal is generated by the tty driver
.Xr tty 4
when the user presses the interrupt character, normally control-C.
@ -178,7 +177,7 @@ The number for
.Dv SIGINT
is 2.
.\" ************
.It Dv SIGQUIT Ta (Quit)
.It Dv SIGQUIT No (Quit)
This signal is generated by the tty driver
.Xr tty 4
when the user presses the quit character, normally control-backspace.
@ -187,7 +186,7 @@ The number for
.Dv SIGQUIT
is 3.
.\" ************
.It Dv SIGILL Ta (Illegal instruction)
.It Dv SIGILL No (Illegal instruction)
This signal is generated synchronously by the kernel when the process
executes an invalid instruction.
The default action is to terminate the process and dump core.
@ -198,7 +197,7 @@ The number for
.Dv SIGILL
is 4.
.\" ************
.It Dv SIGTRAP Ta (Trace/BPT trap)
.It Dv SIGTRAP No (Trace/BPT trap)
This signal is used when a process is being traced
(see
.Xr ptrace 2 )
@ -211,7 +210,7 @@ The number for
.Dv SIGTRAP
is 5.
.\" ************
.It Dv SIGABRT Ta (Abort trap)
.It Dv SIGABRT No (Abort trap)
This signal is generated when the
.Xr abort 3
standard library function is called.
@ -225,7 +224,7 @@ which is no longer defined,
as it was specific to the PDP-11 instruction
.Dv iot .
.\" ************
.It Dv SIGEMT Ta (EMT trap)
.It Dv SIGEMT No (EMT trap)
In theory this signal is generated when an instruction needs to be
emulated.
.\" XXX expand this -- I don't know, grep isn't helping much and
@ -235,7 +234,7 @@ The number for
.Dv SIGEMT
is 7.
.\" ************
.It Dv SIGFPE Ta (Floating point exception)
.It Dv SIGFPE No (Floating point exception)
This signal is generated when an invalid floating point operation is
detected by hardware or by a soft-float library.
The default action is to terminate the process and dump core.
@ -243,7 +242,7 @@ The number for
.Dv SIGFPE
is 8.
.\" ************
.It Dv SIGKILL Ta (Killed)
.It Dv SIGKILL No (Killed)
This signal cannot be caught or ignored.
The (unconditional) action is to terminate the process.
It is most often sent by system administrators, but is also generated
@ -257,7 +256,7 @@ The number for
.Dv SIGKILL
is 9, which is extremely well known.
.\" ************
.It Dv SIGBUS Ta (Bus error)
.It Dv SIGBUS No (Bus error)
This signal is generated synchronously by the kernel when the process
performs certain kinds of invalid memory accesses.
The most common cause of
@ -273,7 +272,7 @@ The number for
.Dv SIGBUS
is 10.
.\" ************
.It Dv SIGSEGV Ta (Segmentation fault)
.It Dv SIGSEGV No (Segmentation fault)
This signal is generated synchronously by the kernel when the process
attempts to access unmapped memory, or access memory in a manner that
the protection settings for that memory region do not permit.
@ -294,7 +293,7 @@ The number for
.Dv SIGSEGV
is 11, which is very well known.
.\" ************
.It Dv SIGSYS Ta (Bad system call)
.It Dv SIGSYS No (Bad system call)
This signal is generated by the kernel, in addition to failing with
.Er ENOSYS ,
when a system call is made using an invalid system call number.
@ -304,7 +303,7 @@ The number for
.Dv SIGSYS
is 12.
.\" ************
.It Dv SIGPIPE Ta (Broken pipe)
.It Dv SIGPIPE No (Broken pipe)
This signal is generated by the kernel, in addition to failing with
.Er EPIPE ,
when a
@ -316,7 +315,7 @@ The number for
.Dv SIGPIPE
is 13.
.\" ************
.It Dv SIGALRM Ta (Alarm clock)
.It Dv SIGALRM No (Alarm clock)
This signal is generated by the kernel when a real-time timer expires.
See
.Xr alarm 3 ,
@ -328,7 +327,7 @@ The number for
.Dv SIGALRM
is 14.
.\" ************
.It Dv SIGTERM Ta (Terminated)
.It Dv SIGTERM No (Terminated)
This signal is the default signal sent by
.Xr kill 1
and represents a user or administrator request that a program shut
@ -341,7 +340,7 @@ The number for
.Dv SIGTERM
is 15.
.\" ************
.It Dv SIGURG Ta (Urgent I/O condition)
.It Dv SIGURG No (Urgent I/O condition)
This signal is generated when an ``urgent condition'' exists on a
socket.
In practice this means when
@ -352,7 +351,7 @@ The number for
.Dv SIGURG
is 16.
.\" ************
.It Dv SIGSTOP Ta (Suspended (signal))
.It Dv SIGSTOP No (Suspended (signal))
This signal cannot be caught or ignored.
The (unconditional) action is to stop the process.
Note that like with
@ -369,7 +368,7 @@ The number for
.Dv SIGSTOP
is 17.
.\" ************
.It Dv SIGTSTP Ta (Suspended)
.It Dv SIGTSTP No (Suspended)
This signal is generated by the tty driver
.Xr tty 4
when the user presses the stop character, normally control-Z.
@ -378,7 +377,7 @@ The number for
.Dv SIGTSTP
is 18.
.\" ************
.It Dv SIGCONT Ta (Continued)
.It Dv SIGCONT No (Continued)
This signal is generated by the job-control feature of shells to
manage processes.
It causes the target process to start executing again after previously
@ -391,7 +390,7 @@ The number for
.Dv SIGCONT
is 19.
.\" ************
.It Dv SIGCHLD Ta (Child exited, stopped or continued)
.It Dv SIGCHLD No (Child exited, stopped or continued)
This signal is generated by the kernel when one of a process's
immediate children exits and can be waited for using one of the
.Xr wait 2
@ -417,7 +416,7 @@ This signal was spelled
in old System V versions and today many systems provide both
spellings.
.\" ************
.It Dv SIGTTIN Ta (Stopped (tty input))
.It Dv SIGTTIN No (Stopped (tty input))
This signal is generated by the tty driver
.Xr tty 4
when a process that is not in the foreground of its controlling
@ -427,7 +426,7 @@ The number for
.Dv SIGTTIN
is 21.
.\" ************
.It Dv SIGTTOU Ta (Stopped (tty output))
.It Dv SIGTTOU No (Stopped (tty output))
This signal is generated by the tty driver
.Xr tty 4
when a process that is not in the foreground of its controlling
@ -440,7 +439,7 @@ The number for
.Dv SIGTTOU
is 22.
.\" ************
.It Dv SIGIO Ta (I/O possible)
.It Dv SIGIO No (I/O possible)
This signal is sent by the kernel when I/O becomes possible on a file
handle opened for asynchronous access with
.Dv O_ASYNC .
@ -453,7 +452,7 @@ The number for
.Dv SIGIO
is 23.
.\" ************
.It Dv SIGXCPU Ta (CPU time limit exceeded)
.It Dv SIGXCPU No (CPU time limit exceeded)
This signal is sent by the kernel when the amount of CPU time consumed
exceeds the configured limit.
See
@ -472,7 +471,7 @@ The number for
.Dv SIGXCPU
is 24.
.\" ************
.It Dv SIGXFSZ Ta (File size limit exceeded)
.It Dv SIGXFSZ No (File size limit exceeded)
This signal is sent by the kernel when a write causes the size of a
file to exceed the configured limit.
See
@ -491,7 +490,7 @@ The number for
.Dv SIGXFSZ
is 25.
.\" ************
.It Dv SIGVTALRM Ta (Virtual timer expired)
.It Dv SIGVTALRM No (Virtual timer expired)
This signal is generated by the kernel when a virtual-time (process
execution time) timer expires.
See
@ -503,7 +502,7 @@ The number for
.Dv SIGVTALRM
is 26.
.\" ************
.It Dv SIGPROF Ta (Profiling timer expired)
.It Dv SIGPROF No (Profiling timer expired)
This signal is generated by the kernel when a profiling timer
expires.
See
@ -515,7 +514,7 @@ The number for
.Dv SIGPROF
is 27.
.\" ************
.It Dv SIGWINCH Ta (Window size changed)
.It Dv SIGWINCH No (Window size changed)
This signal is generated by the tty driver
.Xr tty 4
when the stored window size of the process's controlling terminal has
@ -525,7 +524,7 @@ The number for
.Dv SIGWINCH
is 28.
.\" ************
.It Dv SIGINFO Ta (Information request)
.It Dv SIGINFO No (Information request)
This signal is generated by the tty driver
.Xr tty 4
when the user presses the status request character, normally
@ -535,7 +534,7 @@ The number for
.Dv SIGINFO
is 29.
.\" ************
.It Dv SIGUSR1 Ta (User defined signal 1)
.It Dv SIGUSR1 No (User defined signal 1)
This signal is not generated by the system and is made available for
applications to use for their own purposes.
Many daemons use it for restart or reload requests of various types.
@ -544,7 +543,7 @@ The number for
.Dv SIGUSR1
is 30.
.\" ************
.It Dv SIGUSR2 Ta (User defined signal 2)
.It Dv SIGUSR2 No (User defined signal 2)
This signal is not generated by the system and is made available for
applications to use for their own purposes.
The default action is to terminate the process.
@ -552,7 +551,7 @@ The number for
.Dv SIGUSR2
is 31.
.\" ************
.It Dv SIGPWR Ta (Power fail/restart)
.It Dv SIGPWR No (Power fail/restart)
This signal is notionally sent by the kernel or by a privileged
monitor process when an external power failure is detected, and again
when power has been restored.
@ -568,6 +567,7 @@ The number for
.Dv SIGPWR
is 32.
.\" ************
.El
.Ss Shell Interface
Signals may be sent with the
.Xr kill 1