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- SIGBLOCK C Library Procedures SIGBLOCK
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- NNAAMMEE
- sigblock - block signals
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- SSYYNNOOPPSSIISS
- ##iinncclluuddee <<ssiiggnnaall..hh>>
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- ssiiggbblloocckk((mmaasskk));;
- iinntt mmaasskk;;
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- mmaasskk == ssiiggmmaasskk((ssiiggnnuumm))
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- DDEESSCCRRIIPPTTIIOONN
- _S_i_g_b_l_o_c_k causes the signals specified in _m_a_s_k to be added to
- the set of signals currently being blocked from delivery.
- Signals are blocked if the corresponding bit in _m_a_s_k is a 1;
- the macro _s_i_g_m_a_s_k is provided to construct the mask for a
- given _s_i_g_n_u_m.
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- It is not possible to block SIGKILL, SIGSTOP, or SIGCONT;
- this restriction is silently imposed by the system.
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- RREETTUURRNN VVAALLUUEE
- The previous set of masked signals is returned.
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- SSEEEE AALLSSOO
- kill(2), sigvec(2), sigsetmask(2)
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- Sprite v1.0 May 14, 1986 1
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