ReactOS  0.4.13-dev-99-g7e18b6d
rpc_dtablesize.c
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1 /*
2  * Copyright (c) 2009, Sun Microsystems, Inc.
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27  */
28 
29 #include <wintirpc.h>
30 //#include <unistd.h>
31 
32 //#include <sys/select.h>
33 
34 int _rpc_dtablesize(void); /* XXX */
35 
36 /*
37  * Cache the result of getdtablesize(), so we don't have to do an
38  * expensive system call every time.
39  */
40 /*
41  * XXX In FreeBSD 2.x, you can have the maximum number of open file
42  * descriptors be greater than FD_SETSIZE (which is 256 by default).
43  *
44  * Since old programs tend to use this call to determine the first arg
45  * for _select(), having this return > FD_SETSIZE is a Bad Idea(TM)!
46  */
47 int
49 {
50 #ifdef _WIN32
51  return FD_SETSIZE;
52 #else
53  static int size;
54 
55  if (size == 0) {
56  size = getdtablesize();
57  if (size > FD_SETSIZE)
58  size = FD_SETSIZE;
59  }
60  return (size);
61 #endif
62 }
#define FD_SETSIZE
Definition: winsock.h:50
GLsizeiptr size
Definition: glext.h:5919
int _rpc_dtablesize(void)