sysv_signal(3) Library Functions Manual sysv_signal(3) sysv_signal - System V LIBRARY Standard C library (libc, -lc) #define _GNU_SOURCE /* See feature_test_macros(7) */ #include typedef void (*sighandler_t)(int); sighandler_t sysv_signal(int signum, sighandler_t handler); sysv_signal() , signal(2). sysv_signal() System V, : a) , ; b) ; c) () , . sysv_signal() SIG_ERR . signal(2). attributes(7). +----------------------------+----------------------------------------------------------+--------------------------+ | | | | +----------------------------+----------------------------------------------------------+--------------------------+ |sysv_signal() | | MT-Safe | +----------------------------+----------------------------------------------------------+--------------------------+ sysv_signal(), sigaction(2). Linux- sysv_signal() signal(2) . signal(2) . signal(2). sighandler_t GNU; , _GNU_SOURCE. None. . sigaction(2), signal(2), bsd_signal(3), signal(7) Alexander Golubev , Azamat Hackimov , Hotellook, Nikita , Spiros Georgaras , Vladislav , Yuri Kozlov ; GNU 3 , . . , , . Linux man-pages 6.06 31 2023 . sysv_signal(3)