1ON_EXIT(3)                 Linux Programmer's Manual                ON_EXIT(3)
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NAME

6       on_exit  -  register a function to be called at normal process termina‐
7       tion
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SYNOPSIS

10       #include <stdlib.h>
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12       int on_exit(void (*function)(int , void *), void *arg);
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DESCRIPTION

15       The on_exit() function registers the given function  to  be  called  at
16       normal  process termination, whether via exit(3) or via return from the
17       program's main().  The function is passed the argument to  exit(3)  and
18       the arg argument from on_exit().
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RETURN VALUE

21       The  on_exit() function returns the value 0 if successful; otherwise it
22       returns a non-zero value.
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CONFORMING TO

25       This function comes from SunOS 4, but is also present in  libc4,  libc5
26       and glibc.  It no longer occurs in Solaris (SunOS 5).  Avoid this func‐
27       tion, and use the standard atexit(3) instead.
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SEE ALSO

30       _exit(3), atexit(3), exit(3)
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34GNU                               1993-04-02                        ON_EXIT(3)