ulimit(3) | Library Functions Manual | ulimit(3) |
ulimit - get and set user limits
Standard C library (libc, -lc)
#include <ulimit.h>
[[deprecated]] long ulimit(int cmd, long newlimit);
Warning: this routine is obsolete. Use getrlimit(2), setrlimit(2), and sysconf(3) instead. For the shell command ulimit, see bash(1).
The ulimit() call will get or set some limit for the calling process. The cmd argument can have one of the following values.
On success, ulimit() returns a nonnegative value. On error, -1 is returned, and errno is set to indicate the error.
For an explanation of the terms used in this section, see attributes(7).
Interface | Attribute | Value |
ulimit () | Thread safety | MT-Safe |
SVr4, POSIX.1-2001. POSIX.1-2008 marks ulimit() as obsolete.
2022-12-15 | Linux man-pages 6.03 |