gsignal(3) Library Functions Manual gsignal(3) gsignal, ssignal - (libc -lc) #include typedef typeof(void (int)) *sighandler_t; [[]] int gsignal(int signum); [[]] sighandler_t ssignal(int signum, sighandler_t action); glibc ( feature_test_macros(7)): gsignal(), ssignal(): glibc 2.19: _DEFAULT_SOURCE glibc 2.19 : _SVID_SOURCE . raise(3) signal(2) . System V signal(2) kill(2) . ssignal() signum gsignal() SIG_DFL. gsignal() : ( SIG_DFL) signum 0. SIG_IGN signum 1. SIG_DFL signum . signum ( 1-15 1-17). attributes(7). +------------+------------------------------------+--------------------+ || | | +------------+------------------------------------+--------------------+ |gsignal() | | MT-Safe | +------------+------------------------------------+--------------------+ |ssignal() | | MT-Safe sigintr | +------------+------------------------------------+--------------------+ . AIX, DG/UX, HP-UX, SCO, Solaris, Tru64. glibc. gsignal_r() ssignal_r(). kill(2), signal(2), raise(3) 3 . . : . 6.18 8 2026 gsignal(3)