Date: Mon, 19 Jul 2010 04:46:21 +0100 From: Christopher Key <cjk32@cam.ac.uk> To: ports@freebsd.org Subject: Re: lang/perl5.12 segfault (amd64 - 8-STABLE) Message-ID: <4C43CA8D.3090404@cam.ac.uk> In-Reply-To: <alpine.BSF.2.00.1007170911460.9805@tiktik.epipe.com> References: <20100717041919.70411.qmail@exxodus.fedaykin.here> <4C414AB5.1060305@gwdg.de> <alpine.BSF.2.00.1007170744070.9805@tiktik.epipe.com> <alpine.BSF.2.00.1007170911460.9805@tiktik.epipe.com>
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cjk32@cam.ac.uk wrote: > Someone who understands the perl threading internals needs to figure > this out. > > Simple solution, there was a missing -lpthread, patch available from: http://www.freebsd.org/cgi/query-pr.cgi?pr=ports/148648 For some reason, linking binaries without -lpthread succeeds, but the pthread calls in the resulting binary do nothing. #v+ # cat pthread.c #include <stdio.h> #include <stdlib.h> #include <pthread.h> int main(void) { int i; pthread_key_t k; k = 1234; i = pthread_key_create(&k, NULL); fprintf(stderr, "%d %d\n", i, (int) k); return 0; } # gcc pthread.c -o pt1 # gcc pthread.c -lpthread -o pt2 # ./pt1 0 1234 # ./pt2 0 0 #v-
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