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SIGSETMASK(2) UNIX Programmer's Manual SIGSETMASK(2)
NNAAMMEE
ssiiggsseettmmaasskk - set current signal mask
SSYYNNOOPPSSIISS
##iinncclluuddee <<ssyyss//ssiiggnnaall..hh>>
_i_n_t
ssiiggsseettmmaasskk(_i_n_t _m_a_s_k)
ssiiggmmaasskk(_s_i_g_n_u_m)
DDEESSCCRRIIPPTTIIOONN
TThhiiss iinntteerrffaaccee iiss mmaaddee oobbssoolleetteedd bbyy:: sigprocmask(2).
SSiiggsseettmmaasskk() sets the current signal mask Signals are blocked from deliv
ery if the corresponding bit in _m_a_s_k is a 1; the macro ssiiggmmaasskk() is pro
vided to construct the mask for a given _s_i_g_n_u_m.
The system quietly disallows SIGKILL or SIGSTOP to be blocked.
RREETTUURRNN VVAALLUUEESS
The previous set of masked signals is returned.
SSEEEE AALLSSOO
sigprocmask(2), kill(2), sigaction(2), sigsuspend(2), sigvec(2),
sigblock(2), sigsetops(3)
HHIISSTTOORRYY
The ssiiggsseettmmaasskk function call appeared in 4.2BSD and has been deprecated.
4.2 Berkeley Distribution March 10, 1991 1