Psigreturn

Section: Oct. 1, 1991 (2)
Updated: MiNT Programmer's Manual
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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.

BUGS

Calling Psigreturn from a signal handler, and then actually returning from that handler, is likely to produce extremely unpleasant results.