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kernel
oswrapper
rlimit.c
Go to the documentation of this file.
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/****************************************
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* Computer Algebra System SINGULAR *
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****************************************/
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/***************************************************************
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* File: rlimit.c
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* Purpose: set resource limits
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***************************************************************/
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#include "
rlimit.h
"
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#include <stdint.h>
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#include <sys/resource.h>
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/* raise the maximum number of processes (or threads),
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* return 0 on success,
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* -1 on error
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*/
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int
raise_rlimit_nproc
()
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{
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#ifdef RLIMIT_NPROC
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struct
rlimit
nproc
;
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getrlimit
(
RLIMIT_NPROC
, &
nproc
);
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if
(
nproc
.rlim_cur ==
RLIM_INFINITY
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|| (
nproc
.rlim_max !=
RLIM_INFINITY
&&
nproc
.rlim_cur >=
nproc
.rlim_max))
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{
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return
(-1);
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}
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if
(
nproc
.rlim_cur < 512)
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{
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nproc
.rlim_cur = 512;
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}
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if
((
nproc
.rlim_max ==
RLIM_INFINITY
|| 2*
nproc
.rlim_cur <=
nproc
.rlim_max)
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&&
nproc
.rlim_cur < 65536)
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{
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nproc
.rlim_cur = 2*
nproc
.rlim_cur;
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}
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else
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{
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nproc
.rlim_cur =
nproc
.rlim_max;
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}
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int
res
=
setrlimit
(
RLIMIT_NPROC
, &
nproc
);
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return
(
res
);
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#else
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return
(-1);
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#endif
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}
List
Definition
ftmpl_list.h:52
List::List
List()
Definition
ftmpl_list.cc:86
res
CanonicalForm res
Definition
facAbsFact.cc:60
raise_rlimit_nproc
int raise_rlimit_nproc()
Definition
rlimit.c:18
rlimit.h
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Singular