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This implements the RLIMIT_SBSIZE ("sbsize") administrative limits for

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userland.  Currently, it can be enforced by login and csh.  More
shells supporting sbsize are welcome.
This commit is contained in:
Brian Feldman 1999-10-09 20:47:59 +00:00
parent ecf723083f
commit 6b3ced11a2
5 changed files with 29 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
bin/csh/func.c
View File

@ -1142,6 +1142,7 @@ static struct limits {
{ RLIMIT_MEMLOCK, "memorylocked", 1024, "kbytes" },
{ RLIMIT_NPROC, "maxproc", 1, "" },
{ RLIMIT_NOFILE, "openfiles", 1, "" },
{ RLIMIT_SBSIZE, "sbsize ", 1, "bytes" },
{ -1, NULL, 0, NULL }
};

1
lib/libutil/login_class.3
View File

@ -109,6 +109,7 @@ memoryuse RLIMIT_RSS
memorylocked RLIMIT_MEMLOCK
maxproc RLIMIT_NPROC
openfiles RLIMIT_NOFILE
sbsize RLIMIT_SBSIZE
.Ed
.It LOGIN_SETPRIORITY
Set the scheduling priority for the current process based on the

1
lib/libutil/login_class.c
View File

@ -59,6 +59,7 @@ static struct login_res {
{ "maxproc", login_getcapnum, RLIMIT_NPROC },
{ "openfiles", login_getcapnum, RLIMIT_NOFILE },
{ "coredumpsize", login_getcapsize, RLIMIT_CORE },
{ "sbsize", login_getcapnum, RLIMIT_SBSIZE },
{ NULL, 0, 0 }
};

4
usr.bin/limits/limits.1
View File

@ -172,6 +172,10 @@ The exact syntax used for output depends upon the type of shell from
which
.Nm limits
is invoked.
.It Fl b Op Ar limit
Selects or sets the
.Em sbsize
resource limit.
.It Fl c Op Ar limit
Selects or sets (if 'limit' is specified) the
.Em coredumpsize

35
usr.bin/limits/limits.c
View File

@ -82,7 +82,8 @@ static struct {
{ " memoryuse%-4s %8s", " kb\n", 1024 },
{ " memorylocked%-4s %8s", " kb\n", 1024 },
{ " maxprocesses%-4s %8s", "\n", 1 },
{ " openfiles%-4s %8s", "\n", 1 }
{ " openfiles%-4s %8s", "\n", 1 },
{ " sbsize%-4s %8s", " bytes\n", 1 }
}
},
{ "sh", "unlimited", "", " -H", " -S", "",
@ -95,7 +96,8 @@ static struct {
{ "ulimit%s -m %s", ";\n", 1024 },
{ "ulimit%s -l %s", ";\n", 1024 },
{ "ulimit%s -u %s", ";\n", 1 },
{ "ulimit%s -n %s", ";\n", 1 }
{ "ulimit%s -n %s", ";\n", 1 },
{ "ulimit%s -b %s", ";\n", 1 }
}
},
{ "csh", "unlimited", "", " -h", "", NULL,
@ -108,7 +110,8 @@ static struct {
{ "limit%s memoryuse %s", ";\n", 1024 },
{ "limit%s memorylocked %s", ";\n", 1024 },
{ "limit%s maxproc %s", ";\n", 1 },
{ "limit%s openfiles %s", ";\n", 1 }
{ "limit%s openfiles %s", ";\n", 1 },
{ "limit%s sbsize %s", ";\n", 1 }
}
},
{ "bash|bash2", "unlimited", "", " -H", " -S", "",
@ -121,7 +124,8 @@ static struct {
{ "ulimit%s -m %s", ";\n", 1024 },
{ "ulimit%s -l %s", ";\n", 1024 },
{ "ulimit%s -u %s", ";\n", 1 },
{ "ulimit%s -n %s", ";\n", 1 }
{ "ulimit%s -n %s", ";\n", 1 },
{ "ulimit%s -b %s", ";\n", 1 }
}
},
{ "tcsh", "unlimited", "", " -h", "", NULL,
@ -134,7 +138,8 @@ static struct {
{ "limit%s memoryuse %s", ";\n", 1024 },
{ "limit%s memorylocked %s", ";\n", 1024 },
{ "limit%s maxproc %s", ";\n", 1 },
{ "limit%s descriptors %s", ";\n", 1 }
{ "limit%s descriptors %s", ";\n", 1 },
{ "limit%s sbsize %s", ";\n", 1 }
}
},
{ "ksh|pdksh", "unlimited", "", " -H", " -S", "",
@ -147,7 +152,8 @@ static struct {
{ "ulimit%s -m %s", ";\n", 1024 },
{ "ulimit%s -l %s", ";\n", 1024 },
{ "ulimit%s -p %s", ";\n", 1 },
{ "ulimit%s -n %s", ";\n", 1 }
{ "ulimit%s -n %s", ";\n", 1 },
{ "ulimit%s -b %s", ";\n", 1 }
}
},
{ "zsh", "unlimited", "", " -H", " -S", "",
@ -160,7 +166,8 @@ static struct {
{ "ulimit%s -m %s", ";\n", 1024 },
{ "ulimit%s -l %s", ";\n", 1024 },
{ "ulimit%s -u %s", ";\n", 1 },
{ "ulimit%s -n %s", ";\n", 1 }
{ "ulimit%s -n %s", ";\n", 1 },
{ "ulimit%s -b %s", ";\n", 1 }
}
},
{ "rc|es", "unlimited", "", " -h", "", NULL,
@ -173,7 +180,8 @@ static struct {
{ "limit%s memoryuse %s", ";\n", 1024 },
{ "limit%s lockedmemory %s", ";\n", 1024 },
{ "limit%s processes %s", ";\n", 1 },
{ "limit%s descriptors %s", ";\n", 1 }
{ "limit%s descriptors %s", ";\n", 1 },
{ "limit%s sbsize %s", ";\n", 1 }
}
},
{ NULL }
@ -190,8 +198,9 @@ static struct {
{ "coredumpsize", login_getcapsize },
{ "memoryuse", login_getcapsize },
{ "memorylocked", login_getcapsize },
{ "maxproc", login_getcapnum, },
{ "openfiles", login_getcapnum }
{ "maxproc", login_getcapnum },
{ "openfiles", login_getcapnum },
{ "sbsize", login_getcapnum }
};
/*
@ -202,7 +211,7 @@ static struct {
* to be modified accordingly!
*/
#define RCS_STRING "tfdscmlun"
#define RCS_STRING "tfdscmlunb"
static rlim_t resource_num(int which, int ch, const char *str);
static void usage(const char *msg, ...);
@ -238,7 +247,7 @@ main(int argc, char *argv[])
}
optarg = NULL;
while ((ch = getopt(argc, argv, ":EeC:U:BSHac: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:")) != -1) {
switch(ch) {
case 'a':
doall = 1;
@ -450,7 +459,7 @@ usage(char const *msg, ...)
va_end(argp);
}
(void)fprintf(stderr,
"usage: limits [-C class|-U user] [-eaSHBE] [-cdflmnstu [val]] [[name=val ...] cmd]\n");
"usage: limits [-C class|-U user] [-eaSHBE] [-bcdflmnstu [val]] [[name=val ...] cmd]\n");
exit(EXIT_FAILURE);
}