gsignal(3)                 Library Functions Manual                 gsignal(3)

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       gsignal, ssignal - <?><?><?><?><?><?><?><?><?><?><?>
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       <?><?><?><?><?> C (libc, -lc)

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       #include <signal.h>

       typedef void (*sighandler_t)(int);

       [[deprecated]] int gsignal(int signum);

       [[deprecated]] sighandler_t ssignal(int signum, sighandler_t action);

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   (<?><?>. feature_test_macros(7)):

       gsignal(), ssignal():
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               _DEFAULT_SOURCE
           glibc 2.19 <?> <?><?><?><?><?><?>:
               _SVID_SOURCE

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       Elsewhere, on System V-like systems, these functions implement software
       signaling, entirely independent of the classical signal(2)  and kill(2)
       functions.  The function ssignal()  defines the action to take when the
       software signal with number signum is raised using the function
       gsignal(), and returns the previous such action or SIG_DFL.  The
       function gsignal()  does the following: if no action (or the action
       SIG_DFL)  was specified for signum, then it does nothing and returns 0.
       If the action SIG_IGN was specified for signum, then it does nothing
       and returns 1.  Otherwise, it resets the action to SIG_DFL and calls
       the action function with argument signum, and returns the value
       returned by that function.  The range of possible values signum varies
       (often 1-15 or 1-17).

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       +----------------------------+----------------------------------------------------------+--------------------------+
       |<?><?><?><?><?><?><?><?><?> | <?><?><?><?><?><?><?>                                    | <?><?><?><?><?><?><?><?> |
       +----------------------------+----------------------------------------------------------+--------------------------+
       |gsignal()                   | <?><?><?><?><?><?><?><?><?><?><?><?> <?> <?><?><?><?><?> | MT-Safe                  |
       +----------------------------+----------------------------------------------------------+--------------------------+
       |ssignal()                   | <?><?><?><?><?><?><?><?><?><?><?><?> <?> <?><?><?><?><?> | MT-Safe sigintr          |
       +----------------------------+----------------------------------------------------------+--------------------------+
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       None.

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       AIX, DG/UX, HP-UX, SCO, Solaris, Tru64.  They are called obsolete under
       most of these systems, and are broken under glibc.  Some systems also
       have gsignal_r()  and ssignal_r().

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       kill(2), signal(2), raise(3)

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       <?><?><?><?><?><?><?><?><?><?>(<?>) Azamat Hackimov
       <azamat.hackimov@gmail.com>, Dmitry Bolkhovskikh <d20052005@yandex.ru>,
       Vladislav <ivladislavefimov@gmail.com>, Yuri Kozlov
       <yuray@komyakino.ru> <?> <?><?><?><?> <?><?><?><?><?><?>
       <pavia00@gmail.com>

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       <?><?><?><?><?><?><?><?> GNU (GNU General Public License - GPL,
       <https://www.gnu.org/licenses/gpl-3.0.html> <?><?><?><?><?><?> 3
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       <<debian-l10n-russian@lists.debian.org>>.

<?><?><?><?><?><?><?><?><?><?> <?><?><?><?><?><?><?><?> Linux 6.9.1
                             2 <?><?><?> 2024 <?>.                  gsignal(3)