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@node alarm
@section @code{alarm}
@findex alarm
POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/alarm.html}
Gnulib module: ---
Portability problems fixed by Gnulib:
@itemize
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
This function has no impact if <code>SIGALRM</code> is inherited as
ignored; programs should use <code>signal (SIGALRM, SIG_DFL)</code> if
it is important to ensure the alarm will fire.
@item
Use of this function in multi-threaded applications is not advised.
@item
This function is missing on some platforms:
mingw (2011), MSVC 9.
@item
This function is conditionally declared in the non-standard
@code{<io.h>} header on some platforms:
mingw (2012 or newer).
@end itemize
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