glibc/sunrpc/rpc_thread.c
Andreas Jaeger 021db4be6f Make sunrpc code usable again
New configure option --enable-obsolete-rpc makes the deprecated RPC
  headers and functions available at compile time as they were before
  version 2.14.  This option will be removed at some time in the future
  after the TI-RPC library becomes fully sufficient for the needs of
  existing applications.
2012-05-10 20:19:53 +02:00

147 lines
3.5 KiB
C

#include <stdio.h>
#include <bits/libc-lock.h>
#include <rpc/rpc.h>
#include <assert.h>
#include <bits/libc-lock.h>
#include <bits/libc-tsd.h>
#ifdef _RPC_THREAD_SAFE_
/* Variable used in non-threaded applications or for the first thread. */
static struct rpc_thread_variables __libc_tsd_RPC_VARS_mem;
__libc_tsd_define (, struct rpc_thread_variables *, RPC_VARS)
/*
* Task-variable destructor
*/
void __attribute__ ((section ("__libc_thread_freeres_fn")))
__rpc_thread_destroy (void)
{
struct rpc_thread_variables *tvp
= __libc_tsd_get (struct rpc_thread_variables *, RPC_VARS);
if (tvp != NULL) {
__rpc_thread_svc_cleanup ();
__rpc_thread_clnt_cleanup ();
__rpc_thread_key_cleanup ();
free (tvp->clnt_perr_buf_s);
free (tvp->clntraw_private_s);
free (tvp->svcraw_private_s);
free (tvp->authdes_cache_s);
free (tvp->authdes_lru_s);
free (tvp->svc_xports_s);
free (tvp->svc_pollfd_s);
if (tvp != &__libc_tsd_RPC_VARS_mem)
free (tvp);
__libc_tsd_set (struct rpc_thread_variables *, RPC_VARS, NULL);
}
}
#ifdef _LIBC_REENTRANT
text_set_element (__libc_thread_subfreeres, __rpc_thread_destroy);
#endif
text_set_element (__libc_subfreeres, __rpc_thread_destroy);
/*
* Initialize RPC multi-threaded operation
*/
static void
rpc_thread_multi (void)
{
__libc_tsd_set (struct rpc_thread_variables *, RPC_VARS,
&__libc_tsd_RPC_VARS_mem);
}
struct rpc_thread_variables *
__rpc_thread_variables (void)
{
__libc_once_define (static, once);
struct rpc_thread_variables *tvp;
tvp = __libc_tsd_get (struct rpc_thread_variables *, RPC_VARS);
if (tvp == NULL) {
__libc_once (once, rpc_thread_multi);
tvp = __libc_tsd_get (struct rpc_thread_variables *, RPC_VARS);
if (tvp == NULL) {
tvp = calloc (1, sizeof *tvp);
if (tvp != NULL)
__libc_tsd_set (struct rpc_thread_variables *,
RPC_VARS, tvp);
else
tvp = __libc_tsd_get (struct rpc_thread_variables *,
RPC_VARS);
}
}
return tvp;
}
/* Global variables If we're single-threaded, or if this is the first
thread using the variable, use the existing global variable. This
provides backwards compatability for existing applications which
dynamically link against this code. */
#undef svc_fdset
#undef rpc_createerr
#undef svc_pollfd
#undef svc_max_pollfd
fd_set *
__rpc_thread_svc_fdset (void)
{
struct rpc_thread_variables *tvp;
tvp = __rpc_thread_variables ();
if (tvp == &__libc_tsd_RPC_VARS_mem)
return &svc_fdset;
return &tvp->svc_fdset_s;
}
libc_hidden_nolink_sunrpc (__rpc_thread_svc_fdset, GLIBC_2_2_3)
struct rpc_createerr *
__rpc_thread_createerr (void)
{
struct rpc_thread_variables *tvp;
tvp = __rpc_thread_variables ();
if (tvp == &__libc_tsd_RPC_VARS_mem)
return &rpc_createerr;
return &tvp->rpc_createerr_s;
}
libc_hidden_nolink_sunrpc (__rpc_thread_createerr, GLIBC_2_2_3)
struct pollfd **
__rpc_thread_svc_pollfd (void)
{
struct rpc_thread_variables *tvp;
tvp = __rpc_thread_variables ();
if (tvp == &__libc_tsd_RPC_VARS_mem)
return &svc_pollfd;
return &tvp->svc_pollfd_s;
}
#ifdef EXPORT_RPC_SYMBOLS
libc_hidden_def (__rpc_thread_svc_pollfd)
#else
libc_hidden_nolink_sunrpc (__rpc_thread_svc_pollfd, GLIBC_2_2_3)
#endif
int *
__rpc_thread_svc_max_pollfd (void)
{
struct rpc_thread_variables *tvp;
tvp = __rpc_thread_variables ();
if (tvp == &__libc_tsd_RPC_VARS_mem)
return &svc_max_pollfd;
return &tvp->svc_max_pollfd_s;
}
#ifdef EXPORT_RPC_SYMBOLS
libc_hidden_def (__rpc_thread_svc_max_pollfd)
#else
libc_hidden_nolink_sunrpc (__rpc_thread_svc_max_pollfd, GLIBC_2_2_3)
#endif
#endif /* _RPC_THREAD_SAFE_ */