1 | #include <stdio.h> |
2 | #include <libc-lock.h> |
3 | #include <rpc/rpc.h> |
4 | #include <assert.h> |
5 | |
6 | #include <libc-lock.h> |
7 | #include <libc-tsd.h> |
8 | |
9 | #ifdef _RPC_THREAD_SAFE_ |
10 | |
11 | /* Variable used in non-threaded applications or for the first thread. */ |
12 | static struct rpc_thread_variables __libc_tsd_RPC_VARS_mem; |
13 | static __thread struct rpc_thread_variables *thread_rpc_vars |
14 | attribute_tls_model_ie; |
15 | |
16 | /* |
17 | * Task-variable destructor |
18 | */ |
19 | void __attribute__ ((section ("__libc_thread_freeres_fn" ))) |
20 | __rpc_thread_destroy (void) |
21 | { |
22 | struct rpc_thread_variables *tvp = thread_rpc_vars; |
23 | |
24 | if (tvp != NULL) { |
25 | __rpc_thread_svc_cleanup (); |
26 | __rpc_thread_clnt_cleanup (); |
27 | __rpc_thread_key_cleanup (); |
28 | free (tvp->clnt_perr_buf_s); |
29 | free (tvp->clntraw_private_s); |
30 | free (tvp->svcraw_private_s); |
31 | free (tvp->authdes_cache_s); |
32 | free (tvp->authdes_lru_s); |
33 | free (tvp->svc_xports_s); |
34 | free (tvp->svc_pollfd_s); |
35 | if (tvp != &__libc_tsd_RPC_VARS_mem) |
36 | free (tvp); |
37 | thread_rpc_vars = NULL; |
38 | } |
39 | } |
40 | #ifdef _LIBC_REENTRANT |
41 | text_set_element (__libc_thread_subfreeres, __rpc_thread_destroy); |
42 | #endif |
43 | text_set_element (__libc_subfreeres, __rpc_thread_destroy); |
44 | |
45 | |
46 | /* |
47 | * Initialize RPC multi-threaded operation |
48 | */ |
49 | static void |
50 | rpc_thread_multi (void) |
51 | { |
52 | thread_rpc_vars = &__libc_tsd_RPC_VARS_mem; |
53 | } |
54 | |
55 | |
56 | struct rpc_thread_variables * |
57 | __rpc_thread_variables (void) |
58 | { |
59 | __libc_once_define (static, once); |
60 | struct rpc_thread_variables *tvp = thread_rpc_vars; |
61 | |
62 | if (tvp == NULL) { |
63 | __libc_once (once, rpc_thread_multi); |
64 | tvp = thread_rpc_vars; |
65 | if (tvp == NULL) { |
66 | tvp = calloc (1, sizeof *tvp); |
67 | if (tvp != NULL) |
68 | thread_rpc_vars = tvp; |
69 | } |
70 | } |
71 | return tvp; |
72 | } |
73 | |
74 | |
75 | /* Global variables If we're single-threaded, or if this is the first |
76 | thread using the variable, use the existing global variable. This |
77 | provides backwards compatibility for existing applications which |
78 | dynamically link against this code. */ |
79 | #undef svc_fdset |
80 | #undef rpc_createerr |
81 | #undef svc_pollfd |
82 | #undef svc_max_pollfd |
83 | |
84 | fd_set * |
85 | __rpc_thread_svc_fdset (void) |
86 | { |
87 | struct rpc_thread_variables *tvp; |
88 | |
89 | tvp = __rpc_thread_variables (); |
90 | if (tvp == &__libc_tsd_RPC_VARS_mem) |
91 | return &svc_fdset; |
92 | return &tvp->svc_fdset_s; |
93 | } |
94 | libc_hidden_nolink_sunrpc (__rpc_thread_svc_fdset, GLIBC_2_2_3) |
95 | |
96 | struct rpc_createerr * |
97 | __rpc_thread_createerr (void) |
98 | { |
99 | struct rpc_thread_variables *tvp; |
100 | |
101 | tvp = __rpc_thread_variables (); |
102 | if (tvp == &__libc_tsd_RPC_VARS_mem) |
103 | return &rpc_createerr; |
104 | return &tvp->rpc_createerr_s; |
105 | } |
106 | libc_hidden_nolink_sunrpc (__rpc_thread_createerr, GLIBC_2_2_3) |
107 | |
108 | struct pollfd ** |
109 | __rpc_thread_svc_pollfd (void) |
110 | { |
111 | struct rpc_thread_variables *tvp; |
112 | |
113 | tvp = __rpc_thread_variables (); |
114 | if (tvp == &__libc_tsd_RPC_VARS_mem) |
115 | return &svc_pollfd; |
116 | return &tvp->svc_pollfd_s; |
117 | } |
118 | #ifdef EXPORT_RPC_SYMBOLS |
119 | libc_hidden_def (__rpc_thread_svc_pollfd) |
120 | #else |
121 | libc_hidden_nolink_sunrpc (__rpc_thread_svc_pollfd, GLIBC_2_2_3) |
122 | #endif |
123 | |
124 | int * |
125 | __rpc_thread_svc_max_pollfd (void) |
126 | { |
127 | struct rpc_thread_variables *tvp; |
128 | |
129 | tvp = __rpc_thread_variables (); |
130 | if (tvp == &__libc_tsd_RPC_VARS_mem) |
131 | return &svc_max_pollfd; |
132 | return &tvp->svc_max_pollfd_s; |
133 | } |
134 | #ifdef EXPORT_RPC_SYMBOLS |
135 | libc_hidden_def (__rpc_thread_svc_max_pollfd) |
136 | #else |
137 | libc_hidden_nolink_sunrpc (__rpc_thread_svc_max_pollfd, GLIBC_2_2_3) |
138 | #endif |
139 | |
140 | #endif /* _RPC_THREAD_SAFE_ */ |
141 | |