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usr.bin/limits: support RLIMIT_PIPEBUF

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(cherry picked from commit f54f41403d149e867b896ae753a0e7e2b0c738b0)
This commit is contained in:
Konstantin Belousov 2024-09-10 07:13:46 +03:00
parent d5ed8778bf
commit 25902860b2
2 changed files with 11 additions and 3 deletions
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6
usr.bin/limits/limits.1
View file

@ -32,7 +32,7 @@
.Nm
.Op Fl C Ar class | Fl U Ar user
.Op Fl SHB
.Op Fl bcdfklmnopstuvw Op Ar val
.Op Fl bcdfklmnopstuvwy Op Ar val
.Op Fl E
.Oo
.Op Ar name Ns = Ns Ar value ...
@ -280,6 +280,10 @@ space.
Select or set the
.Va swapuse
resource limit.
.It Fl y Op Ar val
Select or set the
.Va pipebuf
resource limit.
.El
.Pp
Valid values for

8
usr.bin/limits/limits.c
View file

@ -91,6 +91,7 @@ static struct {
{ " swapuse%-4s %8s", " kB\n", 1024 },
{ " kqueues%-4s %8s", "\n", 1 },
{ " umtxp%-4s %8s", "\n", 1 },
{ " pipebuf%-4s %8s", " kB\n", 1024 },
}
},
{ "sh", "unlimited", "", " -H", " -S", "",
@ -110,6 +111,7 @@ static struct {
{ "ulimit%s -w %s", ";\n", 1024 },
{ "ulimit%s -k %s", ";\n", 1 },
{ "ulimit%s -o %s", ";\n", 1 },
{ "ulimit%s -y %s", ";\n", 1024 },
}
},
{ "csh", "unlimited", "", " -h", "", NULL,
@ -242,6 +244,7 @@ static struct {
{ "swapuse", login_getcapsize },
{ "kqueues", login_getcapnum },
{ "umtxp", login_getcapnum },
{ "pipebuf", login_getcapnum },
};
/*
@ -252,7 +255,7 @@ static struct {
* to be modified accordingly!
*/
#define RCS_STRING "tfdscmlunbvpwko"
#define RCS_STRING "tfdscmlunbvpwkoy"
static rlim_t resource_num(int which, int ch, const char *str);
static void usage(void) __dead2;
@ -292,7 +295,7 @@ main(int argc, char *argv[])
pid = -1;
optarg = NULL;
while ((ch = getopt(argc, argv,
":EeC:U:BSHP:ab:c:d:f:l:m:n:s:t:u:v:p:w:k:o:")) != -1) {
":EeC:U:BSHP:ab:c:d:f:l:m:n:s:t:u:v:p:w:k:o:y:")) != -1) {
switch(ch) {
case 'a':
doall = 1;
@ -623,6 +626,7 @@ resource_num(int which, int ch, const char *str)
case RLIMIT_SBSIZE:
case RLIMIT_VMEM:
case RLIMIT_SWAP:
case RLIMIT_PIPEBUF:
errno = 0;
res = 0;
while (*s) {