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* gdb.texinfo (Signals): Clarify the default setting of signal

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handling.
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Eli Zaretskii 2001-06-13 08:40:23 +00:00
parent dee0a8f47f
commit 24f931295e
2 changed files with 14 additions and 3 deletions
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5
gdb/doc/ChangeLog
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@ -1,3 +1,8 @@
2001-06-13 Eli Zaretskii <eliz@is.elta.co.il>
* gdb.texinfo (Signals): Clarify the default setting of signal
handling.
2001-05-14 Andrew Cagney <ac131313@redhat.com> 2001-05-14 Andrew Cagney <ac131313@redhat.com>
* gdbint.texinfo (CLEAR_DEFERRED_STORES): Delete stray @item * gdbint.texinfo (CLEAR_DEFERRED_STORES): Delete stray @item

12
gdb/doc/gdb.texinfo
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@ -3454,8 +3454,9 @@ program. You can tell @value{GDBN} in advance what to do for each kind of
signal. signal.
@cindex handling signals @cindex handling signals
Normally, @value{GDBN} is set up to ignore non-erroneous signals like @code{SIGALRM} Normally, @value{GDBN} is set up to let the non-erroneous signals like
(so as not to interfere with their role in the functioning of your program) @code{SIGALRM} be silently passed to your program
(so as not to interfere with their role in the program's functioning)
but to stop your program immediately whenever an error signal happens. but to stop your program immediately whenever an error signal happens.
You can change these settings with the @code{handle} command. You can change these settings with the @code{handle} command.
@ -3473,7 +3474,7 @@ the defined types of signals.
@item handle @var{signal} @var{keywords}@dots{} @item handle @var{signal} @var{keywords}@dots{}
Change the way @value{GDBN} handles signal @var{signal}. @var{signal} Change the way @value{GDBN} handles signal @var{signal}. @var{signal}
can be the number of a signal or its name (with or without the can be the number of a signal or its name (with or without the
@samp{SIG} at the beginning); a list of signal numberss of the form @samp{SIG} at the beginning); a list of signal numbers of the form
@samp{@var{low}-@var{high}}; or the word @samp{all}, meaning all the @samp{@var{low}-@var{high}}; or the word @samp{all}, meaning all the
known signals. The @var{keywords} say what change to make. known signals. The @var{keywords} say what change to make.
@end table @end table
@ -3519,6 +3520,11 @@ after @value{GDBN} reports a signal, you can use the @code{handle}
command with @code{pass} or @code{nopass} to control whether your command with @code{pass} or @code{nopass} to control whether your
program sees that signal when you continue. program sees that signal when you continue.
The default is set to @code{nostop}, @code{noprint}, @code{pass} for
non-erroneous signals such as @code{SIGALRM}, @code{SIGWINCH} and
@code{SIGCHLD}, and to @code{stop}, @code{print}, @code{pass} for the
erroneous signals.
You can also use the @code{signal} command to prevent your program from You can also use the @code{signal} command to prevent your program from
seeing a signal, or cause it to see a signal it normally would not see, seeing a signal, or cause it to see a signal it normally would not see,
or to give it any signal at any time. For example, if your program stopped or to give it any signal at any time. For example, if your program stopped