If the signal is not blocked, yes it will be.
> is this OS dependent or is the
> behaviour specified by any standard (POSIX ?).
It is unspecified.
> also is the sigsend() call POSIX ? it exists on solaris/dunix/hpux
> but not on linux. its also doesn't seem to be present in glibc.
Is is not. Nor is it part of any other standard that I could find.
There is a sigqueue defined by POSIX.1b, but that's rather different.
I'd never heard of sigsend; I suppose it has occasionally nice features.
I've no idea if they are interesting enough to bother with though.
r~
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