Stipe Tolj schrieb:
some more debug information for the pthread issues on Cygwin:
as gwlib/conn.c uses our gwthread_self() as callback function for
openssl's CRYPTO_set_id_callback():
/* Return the thread id of this thread. */
long gwthread_self(void)
{
struct threadinfo *threadinfo;
threadinfo = pthread_getspecific(tsd_key);
if (threadinfo)
return threadinfo->number;
else {
printf("XXX gwthread_self with empty threadinfo\n");
return -1;
}
}
my suspect so far is pthread_getspecific() on the Cygwin platform. Seems they
have issues with it. And keep in mind that the gwlib/thread.c uses
gwthread_self() also in the mutex_foonbar() calls, hence we bang.
I can have a cywin specific gwlib/gwthread-pthread-cygwin.c that avoids the
tsd_key usage and hence avoids pthread_[get|set]specific() void* data for
threads and stores the corresponding threadinfo records to a global (and hence
self-locked) table.
Stipe
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