1RAISE(3P)                  POSIX Programmer's Manual                 RAISE(3P)
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PROLOG

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

13       raise — send a signal to the executing process
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SYNOPSIS

16       #include <signal.h>
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18       int raise(int sig);
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DESCRIPTION

21       The functionality described on this reference page is aligned with  the
22       ISO C  standard.  Any  conflict between the requirements described here
23       and the ISO C standard is unintentional. This  volume  of  POSIX.1‐2008
24       defers to the ISO C standard.
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26       The  raise() function shall send the signal sig to the executing thread
27       or process.  If a signal handler is called, the raise() function  shall
28       not return until after the signal handler does.
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30       The effect of the raise() function shall be equivalent to calling:
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32           pthread_kill(pthread_self(), sig);
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RETURN VALUE

35       Upon  successful completion, 0 shall be returned. Otherwise, a non-zero
36       value shall be returned and errno shall be set to indicate the error.
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ERRORS

39       The raise() function shall fail if:
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41       EINVAL The value of the sig argument is an invalid signal number.
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43       The following sections are informative.
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EXAMPLES

46       None.
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APPLICATION USAGE

49       None.
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RATIONALE

52       The term ``thread'' is an extension to the ISO C standard.
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FUTURE DIRECTIONS

55       None.
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SEE ALSO

58       kill(), sigaction()
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60       The Base Definitions volume of POSIX.1‐2008, <signal.h>, <sys_types.h>
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63       Portions of this text are reprinted and reproduced in  electronic  form
64       from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology
65       -- Portable Operating System Interface (POSIX),  The  Open  Group  Base
66       Specifications Issue 7, Copyright (C) 2013 by the Institute of Electri‐
67       cal and Electronics Engineers,  Inc  and  The  Open  Group.   (This  is
68       POSIX.1-2008  with  the  2013  Technical Corrigendum 1 applied.) In the
69       event of any discrepancy between this version and the original IEEE and
70       The  Open Group Standard, the original IEEE and The Open Group Standard
71       is the referee document. The original Standard can be  obtained  online
72       at http://www.unix.org/online.html .
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74       Any  typographical  or  formatting  errors that appear in this page are
75       most likely to have been introduced during the conversion of the source
76       files  to  man page format. To report such errors, see https://www.ker‐
77       nel.org/doc/man-pages/reporting_bugs.html .
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81IEEE/The Open Group                  2013                            RAISE(3P)
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