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1992-03-24
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Psigreturn(2) Oct. 1, 1991 Psigreturn(2)
NAME
Psigreturn - exit from a signal handler
SYNOPSIS
void Psigreturn();
DESCRIPTION
Psigreturn is used to prepare to exit from a signal handler.
This is done automatically by the kernel when a signal
handler returns, so it is needed only before a program uses
the C longjmp function (or some similar facility) to do a
non-local jump. Psigreturn will fail (harmlessly) if no
signal is being processed at the time it is called.
Note that the MiNT library longjmp function already contains
a call to Psigreturn, so if you're using that library you
don't need to worry about this.
SEE ALSO
Psignal(2)
BUGS
Calling Psigreturn from a signal handler, and then actually
returning from that handler, is likely to produce extremely
unpleasant results.
Version 0.9 Last change: MiNT Programmer's Manual 1