1explain_raise_or_die(3) Library Functions Manual explain_raise_or_die(3)
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6 explain_raise_or_die - send a signal to the caller and report errors
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9 #include <libexplain/raise.h>
10 void explain_raise_or_die(int sig);
11 int explain_raise_on_error(int sig);
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14 The explain_raise_or_die function is used to call the raise(3) system
15 call. On failure an explanation will be printed to stderr, obtained
16 from the explain_raise(3) function, and then the process terminates by
17 calling exit(EXIT_FAILURE).
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19 The explain_raise_on_error function is used to call the raise(3) system
20 call. On failure an explanation will be printed to stderr, obtained
21 from the explain_raise(3) function, but still returns to the caller.
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23 sig The sig, exactly as to be passed to the raise(3) system call.
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26 The explain_raise_or_die function only returns on success, see raise(3)
27 for more information. On failure, prints an explanation and exits, it
28 does not return.
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30 The explain_raise_on_error function always returns the value return by
31 the wrapped raise(3) system call.
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34 The explain_raise_or_die function is intended to be used in a fashion
35 similar to the following example:
36 explain_raise_or_die(sig);
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39 raise(3)
40 send a signal to the caller
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42 explain_raise(3)
43 explain raise(3) errors
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45 exit(2) terminate the calling process
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48 libexplain version 1.4
49 Copyright (C) 2009 Peter Miller
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53 explain_raise_or_die(3)