xref: /minix/lib/libc/rpc/svc_fdset.c (revision 84d9c625)
1 /*	$NetBSD: svc_fdset.c,v 1.1 2013/03/05 19:55:23 christos Exp $	*/
2 
3 #include <sys/cdefs.h>
4 __RCSID("$NetBSD: svc_fdset.c,v 1.1 2013/03/05 19:55:23 christos Exp $");
5 
6 #include <pthread.h>
7 #include <stdlib.h>
8 #include <string.h>
9 #include <sys/select.h>
10 
11 #include "svc_fdset.h"
12 
13 static pthread_key_t fdsetkey;
14 static pthread_key_t fdmaxkey;
15 static fd_set thefdset;
16 static int thefdmax;
17 
18 void
init_fdsets(void)19 init_fdsets(void)
20 {
21 
22 	pthread_key_create(&fdsetkey, NULL);
23 	pthread_key_create(&fdmaxkey, NULL);
24 }
25 
26 void
alloc_fdset(void)27 alloc_fdset(void)
28 {
29 	fd_set *fdsetti;
30 	int *fdmax;
31 
32 	fdsetti = malloc(sizeof(*fdsetti));
33 	memset(fdsetti, 0, sizeof(*fdsetti));
34 	pthread_setspecific(fdsetkey, fdsetti);
35 
36 	fdmax = malloc(sizeof(*fdmax));
37 	memset(fdmax, 0, sizeof(*fdmax));
38 	pthread_setspecific(fdmaxkey, fdmax);
39 }
40 
41 fd_set *
get_fdset(void)42 get_fdset(void)
43 {
44 	fd_set *rv;
45 
46 	rv = pthread_getspecific(fdsetkey);
47 	if (rv)
48 		return rv;
49 	else
50 		return &thefdset;
51 }
52 
53 int *
get_fdsetmax(void)54 get_fdsetmax(void)
55 {
56 	int *rv;
57 
58 	rv = pthread_getspecific(fdmaxkey);
59 	if (rv)
60 		return rv;
61 	else
62 		return &thefdmax;
63 }
64