mirror of git://sourceware.org/git/glibc.git
135 lines
3.0 KiB
C
135 lines
3.0 KiB
C
#include <stdio.h>
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#include <rpc/rpc.h>
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#include <assert.h>
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#include <libc-lock.h>
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#include <libc-tsd.h>
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#include <shlib-compat.h>
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#include <libc-symbols.h>
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/* Variable used in non-threaded applications or for the first thread. */
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static struct rpc_thread_variables __libc_tsd_RPC_VARS_mem;
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static __thread struct rpc_thread_variables *thread_rpc_vars
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attribute_tls_model_ie;
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/*
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* Task-variable destructor
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*/
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void
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__rpc_thread_destroy (void)
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{
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struct rpc_thread_variables *tvp = thread_rpc_vars;
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if (tvp != NULL) {
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__rpc_thread_svc_cleanup ();
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__rpc_thread_clnt_cleanup ();
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__rpc_thread_key_cleanup ();
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free (tvp->clnt_perr_buf_s);
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free (tvp->clntraw_private_s);
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free (tvp->svcraw_private_s);
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free (tvp->authdes_cache_s);
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free (tvp->authdes_lru_s);
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free (tvp->svc_xports_s);
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free (tvp->svc_pollfd_s);
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if (tvp != &__libc_tsd_RPC_VARS_mem)
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free (tvp);
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thread_rpc_vars = NULL;
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}
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}
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text_set_element (__libc_subfreeres, __rpc_thread_destroy);
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/*
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* Initialize RPC multi-threaded operation
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*/
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static void
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rpc_thread_multi (void)
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{
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thread_rpc_vars = &__libc_tsd_RPC_VARS_mem;
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}
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struct rpc_thread_variables *
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__rpc_thread_variables (void)
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{
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__libc_once_define (static, once);
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struct rpc_thread_variables *tvp = thread_rpc_vars;
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if (tvp == NULL) {
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__libc_once (once, rpc_thread_multi);
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tvp = thread_rpc_vars;
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if (tvp == NULL) {
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tvp = calloc (1, sizeof *tvp);
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if (tvp != NULL)
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thread_rpc_vars = tvp;
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}
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}
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return tvp;
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}
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/* Global variables If we're single-threaded, or if this is the first
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thread using the variable, use the existing global variable. This
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provides backwards compatibility for existing applications which
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dynamically link against this code. */
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#undef svc_fdset
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#undef rpc_createerr
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#undef svc_pollfd
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#undef svc_max_pollfd
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fd_set *
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__rpc_thread_svc_fdset (void)
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{
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struct rpc_thread_variables *tvp;
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tvp = __rpc_thread_variables ();
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if (tvp == &__libc_tsd_RPC_VARS_mem)
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return &svc_fdset;
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return &tvp->svc_fdset_s;
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}
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libc_hidden_nolink_sunrpc (__rpc_thread_svc_fdset, GLIBC_2_2_3)
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struct rpc_createerr *
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__rpc_thread_createerr (void)
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{
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struct rpc_thread_variables *tvp;
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tvp = __rpc_thread_variables ();
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if (tvp == &__libc_tsd_RPC_VARS_mem)
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return &rpc_createerr;
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return &tvp->rpc_createerr_s;
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}
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libc_hidden_nolink_sunrpc (__rpc_thread_createerr, GLIBC_2_2_3)
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struct pollfd **
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__rpc_thread_svc_pollfd (void)
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{
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struct rpc_thread_variables *tvp;
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tvp = __rpc_thread_variables ();
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if (tvp == &__libc_tsd_RPC_VARS_mem)
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return &svc_pollfd;
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return &tvp->svc_pollfd_s;
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}
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#ifdef EXPORT_RPC_SYMBOLS
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libc_hidden_def (__rpc_thread_svc_pollfd)
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#else
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libc_hidden_nolink_sunrpc (__rpc_thread_svc_pollfd, GLIBC_2_2_3)
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#endif
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int *
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__rpc_thread_svc_max_pollfd (void)
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{
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struct rpc_thread_variables *tvp;
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tvp = __rpc_thread_variables ();
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if (tvp == &__libc_tsd_RPC_VARS_mem)
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return &svc_max_pollfd;
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return &tvp->svc_max_pollfd_s;
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}
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#ifdef EXPORT_RPC_SYMBOLS
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libc_hidden_def (__rpc_thread_svc_max_pollfd)
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#else
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libc_hidden_nolink_sunrpc (__rpc_thread_svc_max_pollfd, GLIBC_2_2_3)
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#endif
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