Greetings. I'm trying to port an application to FreeBSD. I have
a signal handler registered using signal(2). It modifies the
data pointed to by the third argument - of type sigcontext (specifically
sc_eip) - so that the execution would resume at a different point).
However, when execution resumes, it resumes at the same point where
it was interrupted. A quick search of the archives brought up this
thread:
http://groups.google.com/groups?hl=en&safe=off&th=6d5b8c3ead4a79ab,5&seekm=9fo8vq%241ma8%241%40FreeBSD.csie.NCTU.edu.tw#p
I tried:
_thread_sys_sigreturn(sc);
as suggested, but truss shows that sigreturn is failing. So my question
is: what is the correct way to modify the sigcontext in FreeBSD ? Are
there other multi threaded apps (using pthreads, linked to libc_r),
which do this ?
-Arun
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