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Memory limit for C program
Post 302547227 by frank_rizzo on Sunday 14th of August 2011 09:45:59 PM
08-14-2011
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LEARN ABOUT FREEBSD
ulimit
ULIMIT(3) BSD Library Functions Manual ULIMIT(3) NAME
ulimit -- get and set process limits LIBRARY
Standard C Library (libc, -lc) SYNOPSIS
#include <ulimit.h> long ulimit(int cmd, ...); DESCRIPTION
The ulimit() function will get and set process limits. Currently this is limited to the maximum file size. The cmd argument is one of the following: UL_GETFSIZE will return the maximum file size in units of 512 blocks of the current process. UL_SETFSIZE will attempt to set the maximum file size of the current process and its children with the second argument expressed as a long. RETURN VALUES
Upon successful completion, ulimit() returns the value requested; otherwise the value -1 is returned and the global variable errno is set to indicate the error. ERRORS
The ulimit() function will fail if: [EINVAL] The command specified was invalid. [EPERM] The limit specified to ulimit() would have raised the maximum limit value, and the caller is not the super-user. SEE ALSO
getrlimit(2) STANDARDS
The ulimit() function conforms to IEEE Std 1003.1-2001 (``POSIX.1''). HISTORY
The ulimit() function first appeared in FreeBSD 5.0. BUGS
The ulimit() function provides limited precision for setting and retrieving process limits. If there is a need for greater precision than the type long provides, the getrlimit(2) and setrlimit(2) functions should be considered. BSD
January 4, 2003 BSD