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[/] [or1k/] [trunk/] [linux/] [uClibc/] [libc/] [inet/] [rpc/] [rpc_thread.c] - Rev 1325
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#define __FORCE_GLIBC #include <features.h> #include <stdio.h> #include <assert.h> #include <bits/libc-tsd.h> #include "rpc_private.h" #ifdef __UCLIBC_HAS_THREADS__ /* Variable used in non-threaded applications or for the first thread. */ static struct rpc_thread_variables __libc_tsd_RPC_VARS_mem; static struct rpc_thread_variables *__libc_tsd_RPC_VARS_data = &__libc_tsd_RPC_VARS_mem; /* * Task-variable destructor */ void __rpc_thread_destroy (void) { struct rpc_thread_variables *tvp = __rpc_thread_variables(); if (tvp != NULL && tvp != &__libc_tsd_RPC_VARS_mem) { __rpc_thread_svc_cleanup (); __rpc_thread_clnt_cleanup (); //__rpc_thread_key_cleanup (); free (tvp->authnone_private_s); 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); } } extern int __pthread_once (pthread_once_t *__once_control, void (*__init_routine) (void)); # define __libc_once_define(CLASS, NAME) \ CLASS pthread_once_t NAME = PTHREAD_ONCE_INIT /* Call handler iff the first call. */ #define __libc_once(ONCE_CONTROL, INIT_FUNCTION) \ do { \ if (__pthread_once != NULL) \ __pthread_once (&(ONCE_CONTROL), (INIT_FUNCTION)); \ else if ((ONCE_CONTROL) == PTHREAD_ONCE_INIT) { \ INIT_FUNCTION (); \ (ONCE_CONTROL) = !PTHREAD_ONCE_INIT; \ } \ } while (0) /* * 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 * __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_RPC_VARS_data; } } 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 fd_set * __rpc_thread_svc_fdset (void) { extern fd_set svc_fdset; return &(svc_fdset); } struct rpc_createerr * __rpc_thread_createerr (void) { extern struct rpc_createerr rpc_createerr; return &(rpc_createerr); } struct pollfd ** __rpc_thread_svc_pollfd (void) { extern struct pollfd *svc_pollfd; return &(svc_pollfd); } int * __rpc_thread_svc_max_pollfd (void) { extern int svc_max_pollfd; return &(svc_max_pollfd); } #endif /* __UCLIBC_HAS_THREADS__ */
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