/* * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> * * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ #include <stdio.h> #include <assert.h> #include "rpc_private.h" #ifdef __UCLIBC_HAS_THREADS__ #include <bits/libc-tsd.h> #include <bits/libc-lock.h> /* Variable used in non-threaded applications or for the first thread. */ static struct rpc_thread_variables __libc_tsd_RPC_VARS_mem; __libc_tsd_define (, RPC_VARS) /* * Task-variable destructor */ void __rpc_thread_destroy (void) { struct rpc_thread_variables *tvp = __libc_tsd_get (RPC_VARS); if (tvp != NULL && tvp != &__libc_tsd_RPC_VARS_mem) { __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); __libc_tsd_set (RPC_VARS, NULL); } } /* * Initialize RPC multi-threaded operation */ static void rpc_thread_multi (void) { __libc_tsd_set (RPC_VARS, &__libc_tsd_RPC_VARS_mem); } struct rpc_thread_variables attribute_hidden * __rpc_thread_variables (void) { __libc_once_define (static, once); struct rpc_thread_variables *tvp; tvp = __libc_tsd_get (RPC_VARS); if (tvp == NULL) { __libc_once (once, rpc_thread_multi); tvp = __libc_tsd_get (RPC_VARS); if (tvp == NULL) { tvp = calloc (1, sizeof *tvp); if (tvp != NULL) __libc_tsd_set (RPC_VARS, tvp); else tvp = __libc_tsd_get (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; } 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; } 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; } 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; } #else #undef svc_fdset #undef rpc_createerr #undef svc_pollfd #undef svc_max_pollfd extern fd_set svc_fdset; fd_set * __rpc_thread_svc_fdset (void) { return &(svc_fdset); } extern struct rpc_createerr rpc_createerr; struct rpc_createerr * __rpc_thread_createerr (void) { return &(rpc_createerr); } extern struct pollfd *svc_pollfd; struct pollfd ** __rpc_thread_svc_pollfd (void) { return &(svc_pollfd); } extern int svc_max_pollfd; int * __rpc_thread_svc_max_pollfd (void) { return &(svc_max_pollfd); } #endif /* __UCLIBC_HAS_THREADS__ */ libc_hidden_def(__rpc_thread_svc_fdset) libc_hidden_def(__rpc_thread_createerr) libc_hidden_def(__rpc_thread_svc_pollfd) libc_hidden_def(__rpc_thread_svc_max_pollfd)