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Make limits(1) aware of the new vmemoryuse resource limit.

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Submitted by:	sheldonh
This commit is contained in:
Matthew Dillon 2002-06-26 03:43:25 +00:00
parent 98cb733c67
commit 552116c927
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=98850
2 changed files with 37 additions and 16 deletions
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19
usr.bin/limits/limits.1
View File

@ -30,11 +30,11 @@
.Op Fl C Ar class
.Op Fl SHB
.Op Fl ea
.Op Fl cdflmnstu Op val
.Op Fl cdflmnstuv Op val
.Nm
.Op Fl C Ar class
.Op Fl SHB
.Op Fl cdflmnstu Op val
.Op Fl cdflmnstuv Op val
.Op Fl E
.Op Ar name Ns = Ns Ar value ...
.Op Ar command
@ -42,11 +42,11 @@
.Op Fl U Ar user
.Op Fl SHB
.Op Fl ea
.Op Fl cdflmnstu Op val
.Op Fl cdflmnstuv Op val
.Nm
.Op Fl U Ar user
.Op Fl SHB
.Op Fl cdflmnstu Op val
.Op Fl cdflmnstuv Op val
.Op Fl E
.Op Ar name Ns = Ns Ar value ...
.Op Ar command
@ -229,6 +229,17 @@ allowed per UID can be viewed using the 'sysctl kern.maxprocperuid' command.
The maximum number of processes that can be running simultaneously
in the entire system is limited to the value given by
the 'sysctl kern.maxproc' command.
.It Fl v Op Ar limit
Select or set the
.Em virtualmem
resource limit.
This limit encompasses the entire VM space for the user process
and is inclusive of text, data, bss, stack,
.Xr brk 2 ,
.Xr sbrk 2
and
.Xr mmap 2 Ns 'd
space.
.El
.Pp
Valid values for

34
usr.bin/limits/limits.c
View File

@ -84,7 +84,8 @@ static struct {
{ " memorylocked%-4s %8s", " kb\n", 1024 },
{ " maxprocesses%-4s %8s", "\n", 1 },
{ " openfiles%-4s %8s", "\n", 1 },
{ " sbsize%-4s %8s", " bytes\n", 1 }
{ " sbsize%-4s %8s", " bytes\n", 1 },
{ " vmemoryuse%-4s %8s", " kb\n", 1024 }
}
},
{ "sh", "unlimited", "", " -H", " -S", "",
@ -98,7 +99,8 @@ static struct {
{ "ulimit%s -l %s", ";\n", 1024 },
{ "ulimit%s -u %s", ";\n", 1 },
{ "ulimit%s -n %s", ";\n", 1 },
{ "ulimit%s -b %s", ";\n", 1 }
{ "ulimit%s -b %s", ";\n", 1 },
{ "ulimit%s -v %s", ";\n", 1024 }
}
},
{ "csh", "unlimited", "", " -h", "", NULL,
@ -112,7 +114,8 @@ static struct {
{ "limit%s memorylocked %s", ";\n", 1024 },
{ "limit%s maxproc %s", ";\n", 1 },
{ "limit%s openfiles %s", ";\n", 1 },
{ "limit%s sbsize %s", ";\n", 1 }
{ "limit%s sbsize %s", ";\n", 1 },
{ "limit%s vmemoryuse %s", ";\n", 1024 }
}
},
{ "bash|bash2", "unlimited", "", " -H", " -S", "",
@ -126,7 +129,8 @@ static struct {
{ "ulimit%s -l %s", ";\n", 1024 },
{ "ulimit%s -u %s", ";\n", 1 },
{ "ulimit%s -n %s", ";\n", 1 },
{ "ulimit%s -b %s", ";\n", 1 }
{ "ulimit%s -b %s", ";\n", 1 },
{ "ulimit%s -v %s", ";\n", 1024 }
}
},
{ "tcsh", "unlimited", "", " -h", "", NULL,
@ -140,7 +144,8 @@ static struct {
{ "limit%s memorylocked %s", ";\n", 1024 },
{ "limit%s maxproc %s", ";\n", 1 },
{ "limit%s descriptors %s", ";\n", 1 },
{ "limit%s sbsize %s", ";\n", 1 }
{ "limit%s sbsize %s", ";\n", 1 },
{ "limit%s vmemoryuse %s", ";\n", 1024 }
}
},
{ "ksh|pdksh", "unlimited", "", " -H", " -S", "",
@ -154,7 +159,8 @@ static struct {
{ "ulimit%s -l %s", ";\n", 1024 },
{ "ulimit%s -p %s", ";\n", 1 },
{ "ulimit%s -n %s", ";\n", 1 },
{ "ulimit%s -b %s", ";\n", 1 }
{ "ulimit%s -b %s", ";\n", 1 },
{ "ulimit%s -v %s", ";\n", 1024 }
}
},
{ "zsh", "unlimited", "", " -H", " -S", "",
@ -168,7 +174,8 @@ static struct {
{ "ulimit%s -l %s", ";\n", 1024 },
{ "ulimit%s -u %s", ";\n", 1 },
{ "ulimit%s -n %s", ";\n", 1 },
{ "ulimit%s -b %s", ";\n", 1 }
{ "ulimit%s -b %s", ";\n", 1 },
{ "ulimit%s -v %s", ";\n", 1024 }
}
},
{ "rc|es", "unlimited", "", " -h", "", NULL,
@ -182,7 +189,8 @@ static struct {
{ "limit%s lockedmemory %s", ";\n", 1024 },
{ "limit%s processes %s", ";\n", 1 },
{ "limit%s descriptors %s", ";\n", 1 },
{ "limit%s sbsize %s", ";\n", 1 }
{ "limit%s sbsize %s", ";\n", 1 },
{ "limit%s vmemoryuse %s", ";\n", 1024 }
}
},
{ NULL, NULL, NULL, NULL, NULL, NULL,
@ -203,7 +211,8 @@ static struct {
{ "memorylocked", login_getcapsize },
{ "maxproc", login_getcapnum },
{ "openfiles", login_getcapnum },
{ "sbsize", login_getcapsize }
{ "sbsize", login_getcapsize },
{ "vmemoryuse", login_getcapsize }
};
/*
@ -214,7 +223,7 @@ static struct {
* to be modified accordingly!
*/
#define RCS_STRING "tfdscmlunb"
#define RCS_STRING "tfdscmlunbv"
static rlim_t resource_num(int which, int ch, const char *str);
static void usage(void);
@ -250,7 +259,7 @@ main(int argc, char *argv[])
}
optarg = NULL;
while ((ch = getopt(argc, argv, ":EeC:U:BSHabc:d:f:l:m:n:s:t:u:")) != -1) {
while ((ch = getopt(argc, argv, ":EeC:U:BSHabc:d:f:l:m:n:s:t:u:v:")) != -1) {
switch(ch) {
case 'a':
doall = 1;
@ -459,7 +468,7 @@ static void
usage(void)
{
(void)fprintf(stderr,
"usage: limits [-C class|-U user] [-eaSHBE] [-bcdflmnstu [val]] [[name=val ...] cmd]\n");
"usage: limits [-C class|-U user] [-eaSHBE] [-bcdflmnstuv [val]] [[name=val ...] cmd]\n");
exit(EXIT_FAILURE);
}
@ -529,6 +538,7 @@ resource_num(int which, int ch, const char *str)
case RLIMIT_CORE:
case RLIMIT_RSS:
case RLIMIT_MEMLOCK:
case RLIMIT_VMEM:
errno = 0;
res = 0;
while (*s) {