getdtablesize man page on YellowDog

getdtablesize man page on YellowDog

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GETDTABLESIZE(2)	   Linux Programmer's Manual	      GETDTABLESIZE(2)

NAME
       getdtablesize - get descriptor table size

SYNOPSIS
       #include <unistd.h>

       int getdtablesize(void);

DESCRIPTION
       getdtablesize()	returns the maximum number of files a process can have
       open, one more than the largest possible value for a file descriptor.

RETURN VALUE
       The current limit on the number of open files per process.

NOTES
       getdtablesize() is implemented as a libc library	 function.  The	 glibc
       version calls getrlimit(2) and returns the current RLIMIT_NOFILE limit,
       or OPEN_MAX when that fails.   The  libc4  and  libc5  versions	return
       OPEN_MAX (set to 256 since Linux 0.98.4).

CONFORMING TO
       SVr4, 4.4BSD (the getdtablesize() function first appeared in 4.2BSD).

SEE ALSO
       close(2), dup(2), getrlimit(2), open(2)

Linux 2.4			  2002-04-15		      GETDTABLESIZE(2)

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