diff options
Diffstat (limited to 'manual/signal.texi')
| -rw-r--r-- | manual/signal.texi | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/manual/signal.texi b/manual/signal.texi index 9d5e26ce3d..18db3d2266 100644 --- a/manual/signal.texi +++ b/manual/signal.texi @@ -274,7 +274,7 @@ When one of these program error signals terminates a process, it also writes a @dfn{core dump file} which records the state of the process at the time of termination. The core dump file is named @file{core} and is written in whichever directory is current in the process at the time. -(On the GNU system, you can specify the file name for core dumps with +(On @gnuhurdsystems{}, you can specify the file name for core dumps with the environment variable @code{COREFILE}.) The purpose of core dump files is so that you can examine them with a debugger to investigate what caused the error. @@ -309,7 +309,7 @@ this argument, you must define the handler to accept two arguments, which means you must cast it to a one-argument function type in order to establish the handler. @Theglibc{} does provide this extra argument, but the value is meaningful only on operating systems that -provide the information (BSD systems and GNU systems). +provide the information (BSD systems and @gnusystems{}). @table @code @comment signal.h @@ -625,7 +625,7 @@ On most operating systems, terminals and sockets are the only kinds of files that can generate @code{SIGIO}; other kinds, including ordinary files, never generate @code{SIGIO} even if you ask them to. -In the GNU system @code{SIGIO} will always be generated properly +On @gnusystems{} @code{SIGIO} will always be generated properly if you successfully set asynchronous mode with @code{fcntl}. @end deftypevr @@ -759,14 +759,14 @@ process would probably not be very useful, since there is no shell program that will notice it stop and allow the user to continue it. What happens instead depends on the operating system you are using. Some systems may do nothing; others may deliver another signal instead, -such as @code{SIGKILL} or @code{SIGHUP}. In the GNU system, the process +such as @code{SIGKILL} or @code{SIGHUP}. On @gnuhurdsystems{}, the process dies with @code{SIGKILL}; this avoids the problem of many stopped, orphaned processes lying around the system. @ignore -On the GNU system, it is possible to reattach to the orphaned process +On @gnuhurdsystems{}, it is possible to reattach to the orphaned process group and continue it, so stop signals do stop the process as usual on -a GNU system unless you have requested POSIX compatibility ``till it +@gnuhurdsystems{} unless you have requested POSIX compatibility ``till it hurts.'' @end ignore @@ -805,7 +805,7 @@ that isn't connected. @xref{Sending Data}. Resource lost. This signal is generated when you have an advisory lock on an NFS file, and the NFS server reboots and forgets about your lock. -In the GNU system, @code{SIGLOST} is generated when any server program +On @gnuhurdsystems{}, @code{SIGLOST} is generated when any server program dies unexpectedly. It is usually fine to ignore the signal; whatever call was made to the server that died just returns an error. @end deftypevr @@ -864,7 +864,7 @@ reformat its display accordingly. @comment signal.h @comment BSD @deftypevr Macro int SIGINFO -Information request. In 4.4 BSD and the GNU system, this signal is sent +Information request. On 4.4 BSD and @gnuhurdsystems{}, this signal is sent to all the processes in the foreground process group of the controlling terminal when the user types the STATUS character in canonical mode; @pxref{Signal Characters}. @@ -1223,7 +1223,7 @@ examine it with @code{sigaction}, the handler address that you get may not be the same as what you specified with @code{signal}. It may not even be suitable for use as an action argument with @code{signal}. But you can rely on using it as an argument to @code{sigaction}. This -problem never happens on the GNU system. +problem never happens on @gnusystems{}. So, you're better off using one or the other of the mechanisms consistently within a single program. @@ -1894,7 +1894,7 @@ could ``lose'' one of the objects. @ignore !!! not true -On the GNU system, @code{malloc} and @code{free} are safe to use in +In @theglibc{}, @code{malloc} and @code{free} are safe to use in signal handlers because they block signals. As a result, the library functions that allocate space for a result are also safe in signal handlers. The obstack allocation functions are safe as long as you |