SIGLONGJMP(3)              POSIX Programmer's Manual             SIGLONGJMP(3)



PPRROOLLOOGG
       This manual page is part of the POSIX Programmer's Manual.  The OS
       implementation of this interface may differ (consult the corresponding
       OS manual page for details of OS behavior), or the interface may not be
       implemented on OS.

NNAAMMEE
       siglongjmp -- non-local goto with signal handling

SSYYNNOOPPSSIISS
       #include <setjmp.h>

       void siglongjmp(sigjmp_buf _e_n_v, int _v_a_l);

DDEESSCCRRIIPPTTIIOONN
       The _s_i_g_l_o_n_g_j_m_p() function shall be equivalent to the _l_o_n_g_j_m_p()
       function, except as follows:

        *  References to _s_e_t_j_m_p() shall be equivalent to _s_i_g_s_e_t_j_m_p().

        *  The _s_i_g_l_o_n_g_j_m_p() function shall restore the saved signal mask if
           and only if the _e_n_v argument was initialized by a call to
           _s_i_g_s_e_t_j_m_p() with a non-zero _s_a_v_e_m_a_s_k argument.

RREETTUURRNN VVAALLUUEE
       After _s_i_g_l_o_n_g_j_m_p() is completed, program execution shall continue as if
       the corresponding invocation of _s_i_g_s_e_t_j_m_p() had just returned the value
       specified by _v_a_l.  The _s_i_g_l_o_n_g_j_m_p() function shall not cause
       _s_i_g_s_e_t_j_m_p() to return 0; if _v_a_l is 0, _s_i_g_s_e_t_j_m_p() shall return the
       value 1.

EERRRROORRSS
       No errors are defined.

       _T_h_e _f_o_l_l_o_w_i_n_g _s_e_c_t_i_o_n_s _a_r_e _i_n_f_o_r_m_a_t_i_v_e_.

EEXXAAMMPPLLEESS
       None.

AAPPPPLLIICCAATTIIOONN UUSSAAGGEE
       The distinction between _s_e_t_j_m_p() or _l_o_n_g_j_m_p() and _s_i_g_s_e_t_j_m_p() or
       _s_i_g_l_o_n_g_j_m_p() is only significant for programs which use _s_i_g_a_c_t_i_o_n(),
       _s_i_g_p_r_o_c_m_a_s_k(), or _s_i_g_s_u_s_p_e_n_d().

RRAATTIIOONNAALLEE
       None.

FFUUTTUURREE DDIIRREECCTTIIOONNSS
       None.

SSEEEE AALLSSOO
       _l_o_n_g_j_m_p(), _p_t_h_r_e_a_d___s_i_g_m_a_s_k(), _s_e_t_j_m_p(), _s_i_g_s_e_t_j_m_p(), _s_i_g_s_u_s_p_e_n_d()

       The Base Definitions volume of POSIX.1-2017, <<sseettjjmmpp..hh>>

CCOOPPYYRRIIGGHHTT
       Portions of this text are reprinted and reproduced in electronic form
       from IEEE Std 1003.1-2017, Standard for Information Technology --
       Portable Operating System Interface (POSIX), The Open Group Base
       Specifications Issue 7, 2018 Edition, Copyright (C) 2018 by the
       Institute of Electrical and Electronics Engineers, Inc and The Open
       Group.  In the event of any discrepancy between this version and the
       original IEEE and The Open Group Standard, the original IEEE and The
       Open Group Standard is the referee document. The original Standard can
       be obtained online at http://www.opengroup.org/unix/online.html .

       Any typographical or formatting errors that appear in this page are
       most likely to have been introduced during the conversion of the source
       files to man page format. To report such errors, see
       https://www.kernel.org/doc/man-pages/reporting_bugs.html .



IEEE/The Open Group                  2017                        SIGLONGJMP(3)
