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45490 (+45495 and a test): refactor rlimits.c

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Use a table of known resouces instead of generating rlimits.h by
rlimits.awk.
5.9
Jun-ichi Takimoto 4 years ago
parent 2f419b332d
commit 273da6cc5f
7 changed files with 281 additions and 561 deletions
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1
.gitignore vendored
Unescape Escape View File

@ -123,7 +123,6 @@ Src/Builtins/*.mdh
Src/Builtins/*.mdhi
Src/Builtins/*.mdhs
Src/Builtins/*.mdh.tmp
Src/Builtins/rlimits.h
Src/Modules/Makefile.in
Src/Modules/*.export

7
ChangeLog
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@ -1,3 +1,10 @@
2020-03-06 Jun-ichi Takimoto <takimoto-j@kba.biglobe.ne.jp>
* 45490 (+45495 and a test): .gitignore,
Src/Builtins/rlimits.awk, Src/Builtins/rlimits.c,
Src/Builtins/rlimits.mdd, Test/B12limit.ztst, configure.ac:
Refactor rlimits.c.
2020-03-05 Bryan Irvine <sparctacus@gmail.com>
* github #49: Completion/BSD/Type/_obsd_architectures: Fix typo:

116
Src/Builtins/rlimits.awk
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@ -1,116 +0,0 @@
#
# rlimits.awk: {g,n}awk script to generate rlimits.h
#
# NB: On SunOS 4.1.3 - user-functions don't work properly, also \" problems
# Without 0 + hacks some nawks compare numbers as strings
#
BEGIN {limidx = 0}
/^[\t ]*(#[\t ]*define[\t _]*RLIMIT_[A-Z_]*[\t ]*[0-9][0-9]*|RLIMIT_[A-Z_]*,[\t ]*|_*RLIMIT_[A-Z_]*[\t ]*=[\t ]*[0-9][0-9]*,[\t ]*)/ {
limindex = index($0, "RLIMIT_")
limtail = substr($0, limindex, 80)
split(limtail, tmp)
limnam = substr(tmp[1], 8, 20)
limnum = tmp[2]
# in this case I assume GNU libc resourcebits.h
if (limnum == "") {
limnum = limidx++
limindex = index($0, ",")
limnam = substr(limnam, 1, limindex-1)
}
if (limnum == "=") {
if (tmp[3] ~ /^[0-9]/) {
limnum = tmp[3] + 0
} else {
limnum = limidx++
}
limindex = index($0, ",")
limnam = substr(limnam, 1, limindex-1)
}
limrev[limnam] = limnum
if (lim[limnum] == "") {
lim[limnum] = limnam
if (limnum ~ /^[0-9]*$/) {
if (limnam == "AIO_MEM") { msg[limnum] = "Maiomemorylocked" }
if (limnam == "AIO_OPS") { msg[limnum] = "Naiooperations" }
if (limnam == "AS") { msg[limnum] = "Maddressspace" }
if (limnam == "CORE") { msg[limnum] = "Mcoredumpsize" }
if (limnam == "CPU") { msg[limnum] = "Tcputime" }
if (limnam == "DATA") { msg[limnum] = "Mdatasize" }
if (limnam == "FSIZE") { msg[limnum] = "Mfilesize" }
if (limnam == "LOCKS") { msg[limnum] = "Nmaxfilelocks" }
if (limnam == "MEMLOCK") { msg[limnum] = "Mmemorylocked" }
if (limnam == "NOFILE") { msg[limnum] = "Ndescriptors" }
if (limnam == "NPROC") { msg[limnum] = "Nmaxproc" }
if (limnam == "NTHR") { msg[limnum] = "Nmaxpthreads" }
if (limnam == "OFILE") { msg[limnum] = "Ndescriptors" }
if (limnam == "PTHREAD") { msg[limnum] = "Nmaxpthreads" }
if (limnam == "RSS") { msg[limnum] = "Mresident" }
if (limnam == "SBSIZE") { msg[limnum] = "Msockbufsize" }
if (limnam == "STACK") { msg[limnum] = "Mstacksize" }
if (limnam == "TCACHE") { msg[limnum] = "Ncachedthreads" }
if (limnam == "VMEM") { msg[limnum] = "Mvmemorysize" }
if (limnam == "SIGPENDING") { msg[limnum] = "Nsigpending" }
if (limnam == "MSGQUEUE") { msg[limnum] = "Nmsgqueue" }
if (limnam == "NICE") { msg[limnum] = "Nnice" }
if (limnam == "RTPRIO") { msg[limnum] = "Nrt_priority" }
if (limnam == "RTTIME") { msg[limnum] = "Urt_time" }
if (limnam == "POSIXLOCKS") { msg[limnum] = "Nposixlocks" }
if (limnam == "NPTS") { msg[limnum] = "Npseudoterminals" }
if (limnam == "SWAP") { msg[limnum] = "Mswapsize" }
if (limnam == "KQUEUES") { msg[limnum] = "Nkqueues" }
if (limnam == "UMTXP") { msg[limnum] = "Numtxp" }
}
}
}
/^[\t ]*#[\t ]*define[\t _]*RLIM_NLIMITS[\t ]*[0-9][0-9]*/ {
limindex = index($0, "RLIM_")
limtail = substr($0, limindex, 80)
split(limtail, tmp)
nlimits = tmp[2]
}
# in case of GNU libc
/^[\t ]*RLIM_NLIMITS[\t ]*=[\t ]*RLIMIT_NLIMITS/ {
if(!nlimits) { nlimits = limidx }
}
/^[\t _]*RLIM(IT)?_NLIMITS[\t ]*=[\t ]*[0-9][0-9]*/ {
limindex = index($0, "=")
limtail = substr($0, limindex, 80)
split(limtail, tmp)
nlimits = tmp[2]
}
END {
if (limrev["MEMLOCK"] != "") {
irss = limrev["RSS"]
msg[irss] = "Mmemoryuse"
}
ps = "%s"
printf("%s\n%s\n\n", "/** rlimits.h **/", "/** architecture-customized limits for zsh **/")
printf("#define ZSH_NLIMITS %d\n\nstatic char const *recs[ZSH_NLIMITS] = {\n", 0 + nlimits)
for (i = 0; i < 0 + nlimits; i++)
if (msg[i] == "")
printf("\t%c%s%c,\n", 34, lim[i], 34)
else
printf("\t%c%s%c,\n", 34, substr(msg[i], 2, 30), 34)
print "};"
print ""
print "static int limtype[ZSH_NLIMITS] = {"
for (i = 0; i < 0 + nlimits; i++) {
if (msg[i] == "")
limtype = "UNKNOWN"
else {
limtype = substr(msg[i], 1, 1)
if(limtype == "M") { limtype = "MEMORY" }
if(limtype == "N") { limtype = "NUMBER" }
if(limtype == "T") { limtype = "TIME" }
if(limtype == "U") { limtype = "MICROSECONDS" }
}
printf("\tZLIMTYPE_%s,\n", limtype)
}
print "};"
exit(0)
}

692
Src/Builtins/rlimits.c
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@ -32,20 +32,7 @@
#if defined(HAVE_GETRLIMIT) && defined(RLIM_INFINITY)
#if defined(HAVE_RLIMIT_POSIXLOCKS) && !defined(HAVE_RLIMIT_LOCKS)
# define RLIMIT_LOCKS RLIMIT_POSIXLOCKS
# define HAVE_RLIMIT_LOCKS 1
#endif
#if defined(HAVE_RLIMIT_NTHR) && !defined(HAVE_RLIMIT_PTHREAD)
# define RLIMIT_PTHREAD RLIMIT_NTHR
# define HAVE_RLIMIT_PTHREAD 1
# define THREAD_FMT "-T: threads "
#else
# define THREAD_FMT "-T: threads per process "
#endif
enum {
enum zlimtype {
ZLIMTYPE_MEMORY,
ZLIMTYPE_NUMBER,
ZLIMTYPE_TIME,
@ -53,11 +40,214 @@ enum {
ZLIMTYPE_UNKNOWN
};
/* Generated rec array containing limits required for the limit builtin. *
* They must appear in this array in numerical order of the RLIMIT_* macros. */
typedef struct resinfo_T {
int res; /* RLIMIT_XXX */
char* name; /* used by limit builtin */
enum zlimtype type;
int unit; /* 1, 512, or 1024 */
char opt; /* option character */
char* descr; /* used by ulimit builtin */
} resinfo_T;
/* table of known resources */
static const resinfo_T known_resources[] = {
{RLIMIT_CPU, "cputime", ZLIMTYPE_TIME, 1,
't', "cpu time (seconds)"},
{RLIMIT_FSIZE, "filesize", ZLIMTYPE_MEMORY, 512,
'f', "file size (blocks)"},
{RLIMIT_DATA, "datasize", ZLIMTYPE_MEMORY, 1024,
'd', "data seg size (kbytes)"},
{RLIMIT_STACK, "stacksize", ZLIMTYPE_MEMORY, 1024,
's', "stack size (kbytes)"},
{RLIMIT_CORE, "coredumpsize", ZLIMTYPE_MEMORY, 512,
'c', "core file size (blocks)"},
# ifdef HAVE_RLIMIT_NOFILE
{RLIMIT_NOFILE, "descriptors", ZLIMTYPE_NUMBER, 1,
'n', "file descriptors"},
# endif
# if defined(HAVE_RLIMIT_AS) && !defined(RLIMIT_VMEM_IS_AS)
{RLIMIT_AS, "addressspace", ZLIMTYPE_MEMORY, 1024,
'v', "address space (kbytes)"},
# endif
# if defined(HAVE_RLIMIT_RSS) && !defined(RLIMIT_VMEM_IS_RSS) && !defined(RLIMIT_RSS_IS_AS)
{RLIMIT_RSS, "resident", ZLIMTYPE_MEMORY, 1024,
'm', "resident set size (kbytes)"},
# endif
# if defined(HAVE_RLIMIT_VMEM)
{RLIMIT_VMEM,
# if defined(RLIMIT_VMEM_IS_RSS)
"resident", ZLIMTYPE_MEMORY, 1024,
'm', "memory size (kbytes)"},
# else
"vmemorysize", ZLIMTYPE_MEMORY, 1024,
'v', "virtual memory size (kbytes)"},
# endif
# endif
# ifdef HAVE_RLIMIT_NPROC
{RLIMIT_NPROC, "maxproc", ZLIMTYPE_NUMBER, 1,
'u', "processes"},
# endif
# ifdef HAVE_RLIMIT_MEMLOCK
{RLIMIT_MEMLOCK, "memorylocked", ZLIMTYPE_MEMORY, 1024,
'l', "locked-in-memory size (kbytes)"},
# endif
/* Linux */
# ifdef HAVE_RLIMIT_LOCKS
{RLIMIT_LOCKS, "maxfilelocks", ZLIMTYPE_NUMBER, 1,
'x', "file locks"},
# endif
# ifdef HAVE_RLIMIT_SIGPENDING
{RLIMIT_SIGPENDING, "sigpending", ZLIMTYPE_NUMBER, 1,
'i', "pending signals"},
# endif
# ifdef HAVE_RLIMIT_MSGQUEUE
{RLIMIT_MSGQUEUE, "msgqueue", ZLIMTYPE_NUMBER, 1,
'q', "bytes in POSIX msg queues"},
# endif
# ifdef HAVE_RLIMIT_NICE
{RLIMIT_NICE, "nice", ZLIMTYPE_NUMBER, 1,
'e', "max nice"},
# endif
# ifdef HAVE_RLIMIT_RTPRIO
{RLIMIT_RTPRIO, "rt_priority", ZLIMTYPE_NUMBER, 1,
'r', "max rt priority"},
# endif
# ifdef HAVE_RLIMIT_RTTIME
{RLIMIT_RTTIME, "rt_time", ZLIMTYPE_MICROSECONDS, 1,
'N', "rt cpu time (microseconds)"},
# endif
/* BSD */
# ifdef HAVE_RLIMIT_SBSIZE
{RLIMIT_SBSIZE, "sockbufsize", ZLIMTYPE_MEMORY, 1,
'b', "socket buffer size (bytes)"},
# endif
# ifdef HAVE_RLIMIT_KQUEUES /* FreeBSD */
{RLIMIT_KQUEUES, "kqueues", ZLIMTYPE_NUMBER, 1,
'k', "kqueues"},
# endif
# ifdef HAVE_RLIMIT_NPTS /* FreeBSD */
{RLIMIT_NPTS, "pseudoterminals", ZLIMTYPE_NUMBER, 1,
'p', "pseudo-terminals"},
# endif
# ifdef HAVE_RLIMIT_SWAP /* FreeBSD */
{RLIMIT_SWAP, "swapsize", ZLIMTYPE_MEMORY, 1024,
'w', "swap size (kbytes)"},
# endif
# ifdef HAVE_RLIMIT_UMTXP /* FreeBSD */
{RLIMIT_UMTXP, "umtxp", ZLIMTYPE_NUMBER, 1,
'o', "umtx shared locks"},
# endif
# ifdef HAVE_RLIMIT_POSIXLOCKS /* DragonFly */
{RLIMIT_POSIXLOCKS, "posixlocks", ZLIMTYPE_NUMBER, 1,
'x', "number of POSIX locks"},
# endif
# if defined(HAVE_RLIMIT_NTHR) && !defined(HAVE_RLIMIT_RTPRIO) /* Net/OpenBSD */
{RLIMIT_NTHR, "maxpthreads", ZLIMTYPE_NUMBER, 1,
'r', "threads"},
# endif
/* others */
# if defined(HAVE_RLIMIT_PTHREAD) && !defined(HAVE_RLIMIT_NTHR) /* IRIX ? */
{RLIMIT_PTHREAD, "maxpthreads", ZLIMTYPE_NUMBER, 1,
'T', "threads per process"},
# endif
# ifdef HAVE_RLIMIT_AIO_MEM /* HP-UX ? */
{RLIMIT_AIO_MEM, "aiomemorylocked", ZLIMTYPE_MEMORY, 1024,
'N', "AIO locked-in-memory (kbytes)"},
# endif
# ifdef HAVE_RLIMIT_AIO_OPS /* HP-UX ? */
{RLIMIT_AIO_OPS, "aiooperations", ZLIMTYPE_NUMBER, 1,
'N', "AIO operations"},
# endif
# ifdef HAVE_RLIMIT_TCACHE /* HP-UX ? */
{RLIMIT_TCACHE, "cachedthreads", ZLIMTYPE_NUMBER, 1,
'N', "cached threads"},
# endif
};
# include "rlimits.h"
/* resinfo[RLIMIT_XXX] points to the corresponding entry
* in known_resources[] */
static const resinfo_T **resinfo;
/**/
static void
set_resinfo(void)
{
int i;
resinfo = (const resinfo_T **)zshcalloc(RLIM_NLIMITS*sizeof(resinfo_T *));
for (i=0; i<sizeof(known_resources)/sizeof(resinfo_T); ++i) {
resinfo[known_resources[i].res] = &known_resources[i];
}
for (i=0; i<RLIM_NLIMITS; ++i) {
if (!resinfo[i]) {
/* unknown resource */
resinfo_T *info = (resinfo_T *)zshcalloc(sizeof(resinfo_T));
char *buf = (char *)zalloc(12);
snprintf(buf, 12, "UNKNOWN-%d", i);
info->res = - 1; /* negative value indicates "unknown" */
info->name = buf;
info->type = ZLIMTYPE_UNKNOWN;
info->unit = 1;
info->opt = 'N';
info->descr = buf;
resinfo[i] = info;
}
}
}
/**/
static void
free_resinfo(void)
{
int i;
for (i=0; i<RLIM_NLIMITS; ++i) {
if (resinfo[i]->res < 0) { /* unknown resource */
free(resinfo[i]->name);
free((void*)resinfo[i]);
}
}
free(resinfo);
resinfo = NULL;
}
/* Find resource by its option character */
/**/
static int
find_resource(char c)
{
int i;
for (i=0; i<RLIM_NLIMITS; ++i) {
if (resinfo[i]->opt == c)
return i;
}
return -1;
}
/* Print a value of type rlim_t */
/**/
static void
printrlim(rlim_t val, const char *unit)
{
# ifdef RLIM_T_IS_QUAD_T
printf("%qd%s", val, unit);
# else
# ifdef RLIM_T_IS_LONG_LONG
printf("%lld%s", val, unit);
# else
# ifdef RLIM_T_IS_UNSIGNED
printf("%lu%s", (unsigned long)val, unit);
# else
printf("%ld%s", (long)val, unit);
# endif /* RLIM_T_IS_UNSIGNED */
# endif /* RLIM_T_IS_LONG_LONG */
# endif /* RLIM_T_IS_QUAD_T */
}
/**/
static rlim_t
zstrtorlimt(const char *s, char **t, int base)
{
@ -97,8 +287,8 @@ static void
showlimitvalue(int lim, rlim_t val)
{
/* display limit for resource number lim */
if (lim < ZSH_NLIMITS)
printf("%-16s", recs[lim]);
if (lim < RLIM_NLIMITS)
printf("%-16s", resinfo[lim]->name);
else
{
/* Unknown limit, hence unknown units. */
@ -106,81 +296,25 @@ showlimitvalue(int lim, rlim_t val)
}
if (val == RLIM_INFINITY)
printf("unlimited\n");
else if (lim >= ZSH_NLIMITS)
{
# ifdef RLIM_T_IS_QUAD_T
printf("%qd\n", val);
# else
# ifdef RLIM_T_IS_LONG_LONG
printf("%lld\n", val);
# else
# ifdef RLIM_T_IS_UNSIGNED
printf("%lu\n", (unsigned long)val);
# else
printf("%ld\n", (long)val);
# endif /* RLIM_T_IS_UNSIGNED */
# endif /* RLIM_T_IS_LONG_LONG */
# endif /* RLIM_T_IS_QUAD_T */
}
else if (limtype[lim] == ZLIMTYPE_TIME) {
else if (lim >= RLIM_NLIMITS)
printrlim(val, "\n");
else if (resinfo[lim]->type == ZLIMTYPE_TIME) {
/* time-type resource -- display as hours, minutes and
seconds. */
printf("%d:%02d:%02d\n", (int)(val / 3600),
(int)(val / 60) % 60, (int)(val % 60));
} else if (limtype[lim] == ZLIMTYPE_MICROSECONDS) {
/* microseconds */
# ifdef RLIM_T_IS_QUAD_T
printf("%qdus\n", val);
# else
# ifdef RLIM_T_IS_LONG_LONG
printf("%lldus\n", val);
# else
# ifdef RLIM_T_IS_UNSIGNED
printf("%luus\n", (unsigned long)val);
# else
printf("%ldus\n", (long)val);
# endif /* RLIM_T_IS_UNSIGNED */
# endif /* RLIM_T_IS_LONG_LONG */
# endif /* RLIM_T_IS_QUAD_T */
} else if (limtype[lim] == ZLIMTYPE_NUMBER ||
limtype[lim] == ZLIMTYPE_UNKNOWN) {
/* pure numeric resource */
# ifdef RLIM_T_IS_QUAD_T
printf("%qd\n", val);
# else
# ifdef RLIM_T_IS_LONG_LONG
printf("%lld\n", val);
# else
# ifdef RLIM_T_IS_UNSIGNED
printf("%lu\n", (unsigned long)val);
# else
printf("%ld\n", (long)val);
# endif /* RLIM_T_IS_UNSIGNED */
# endif /* RLIM_T_IS_LONG_LONG */
# endif /* RLIM_T_IS_QUAD_T */
} else if (val >= 1024L * 1024L)
/* memory resource -- display with `K' or `M' modifier */
# ifdef RLIM_T_IS_QUAD_T
printf("%qdMB\n", val / (1024L * 1024L));
else
printf("%qdkB\n", val / 1024L);
# else
# ifdef RLIM_T_IS_LONG_LONG
printf("%lldMB\n", val / (1024L * 1024L));
else
printf("%lldkB\n", val / 1024L);
# else
# ifdef RLIM_T_IS_UNSIGNED
printf("%luMB\n", (unsigned long)(val / (1024L * 1024L)));
else
printf("%lukB\n", (unsigned long)(val / 1024L));
# else
printf("%ldMB\n", (long)val / (1024L * 1024L));
else
printf("%ldkB\n", (long)val / 1024L);
# endif /* RLIM_T_IS_UNSIGNED */
# endif /* RLIM_T_IS_LONG_LONG */
# endif /* RLIM_T_IS_QUAD_T */
} else if (resinfo[lim]->type == ZLIMTYPE_MICROSECONDS)
printrlim(val, "us\n"); /* microseconds */
else if (resinfo[lim]->type == ZLIMTYPE_NUMBER ||
resinfo[lim]->type == ZLIMTYPE_UNKNOWN)
printrlim(val, "\n"); /* pure numeric resource */
else {
/* memory resource -- display with `k' or `M' modifier */
if (val >= 1024L * 1024L)
printrlim(val/(1024L * 1024L), "MB\n");
else
printrlim(val/1024L, "kB\n");
}
}
/* Display resource limits. hard indicates whether `hard' or `soft' *
@ -193,7 +327,7 @@ showlimits(char *nam, int hard, int lim)
{
int rt;
if (lim >= ZSH_NLIMITS)
if (lim >= RLIM_NLIMITS)
{
/*
* Not configured into the shell. Ask the OS
@ -215,7 +349,7 @@ showlimits(char *nam, int hard, int lim)
else
{
/* main loop over resource types */
for (rt = 0; rt != ZSH_NLIMITS; rt++)
for (rt = 0; rt != RLIM_NLIMITS; rt++)
showlimitvalue(rt, (hard) ? limits[rt].rlim_max :
limits[rt].rlim_cur);
}
@ -234,7 +368,7 @@ printulimit(char *nam, int lim, int hard, int head)
rlim_t limit;
/* get the limit in question */
if (lim >= ZSH_NLIMITS)
if (lim >= RLIM_NLIMITS)
{
struct rlimit vals;
@ -248,199 +382,25 @@ printulimit(char *nam, int lim, int hard, int head)
else
limit = (hard) ? limits[lim].rlim_max : limits[lim].rlim_cur;
/* display the appropriate heading */
switch (lim) {
case RLIMIT_CORE:
if (head)
printf("-c: core file size (blocks) ");
if (limit != RLIM_INFINITY)
limit /= 512;
break;
case RLIMIT_DATA:
if (head)
printf("-d: data seg size (kbytes) ");
if (limit != RLIM_INFINITY)
limit /= 1024;
break;
case RLIMIT_FSIZE:
if (head)
printf("-f: file size (blocks) ");
if (limit != RLIM_INFINITY)
limit /= 512;
break;
# ifdef HAVE_RLIMIT_SIGPENDING
case RLIMIT_SIGPENDING:
if (head)
printf("-i: pending signals ");
break;
# endif
# ifdef HAVE_RLIMIT_MEMLOCK
case RLIMIT_MEMLOCK:
if (head)
printf("-l: locked-in-memory size (kbytes) ");
if (limit != RLIM_INFINITY)
limit /= 1024;
break;
# endif /* HAVE_RLIMIT_MEMLOCK */
/* If RLIMIT_VMEM and RLIMIT_RSS are defined and equal, avoid *
* duplicate case statement. Observed on QNX Neutrino 6.1.0. */
# if defined(HAVE_RLIMIT_RSS) && !defined(RLIMIT_VMEM_IS_RSS) && !defined(RLIMIT_RSS_IS_AS)
case RLIMIT_RSS:
if (head)
printf("-m: resident set size (kbytes) ");
if (limit != RLIM_INFINITY)
limit /= 1024;
break;
# endif /* HAVE_RLIMIT_RSS */
# if defined(HAVE_RLIMIT_VMEM) && defined(HAVE_RLIMIT_RSS) && defined(RLIMIT_VMEM_IS_RSS)
case RLIMIT_VMEM:
if (head)
printf("-m: memory size (kbytes) ");
if (limit != RLIM_INFINITY)
limit /= 1024;
break;
# endif /* HAVE_RLIMIT_VMEM */
# ifdef HAVE_RLIMIT_NOFILE
case RLIMIT_NOFILE:
if (head)
printf("-n: file descriptors ");
break;
# endif /* HAVE_RLIMIT_NOFILE */
# ifdef HAVE_RLIMIT_MSGQUEUE
case RLIMIT_MSGQUEUE:
if (head)
printf("-q: bytes in POSIX msg queues ");
break;
# endif
case RLIMIT_STACK:
if (head)
printf("-s: stack size (kbytes) ");
if (limit != RLIM_INFINITY)
limit /= 1024;
break;
case RLIMIT_CPU:
if (head)
printf("-t: cpu time (seconds) ");
break;
# ifdef HAVE_RLIMIT_NPROC
case RLIMIT_NPROC:
if (head)
printf("-u: processes ");
break;
# endif /* HAVE_RLIMIT_NPROC */
# if defined(HAVE_RLIMIT_VMEM) && (!defined(HAVE_RLIMIT_RSS) || !defined(RLIMIT_VMEM_IS_RSS))
case RLIMIT_VMEM:
if (head)
printf("-v: virtual memory size (kbytes) ");
if (limit != RLIM_INFINITY)
limit /= 1024;
break;
# endif /* HAVE_RLIMIT_VMEM */
# if defined HAVE_RLIMIT_AS && !defined(RLIMIT_VMEM_IS_AS)
case RLIMIT_AS:
if (head)
printf("-v: address space (kbytes) ");
if (limit != RLIM_INFINITY)
limit /= 1024;
break;
# endif /* HAVE_RLIMIT_AS */
# ifdef HAVE_RLIMIT_LOCKS
case RLIMIT_LOCKS:
if (head)
printf("-x: file locks ");
break;
# endif /* HAVE_RLIMIT_LOCKS */
# ifdef HAVE_RLIMIT_AIO_MEM
case RLIMIT_AIO_MEM:
if (head)
printf("-N %2d: AIO locked-in-memory (kbytes)", RLIMIT_AIO_MEM);
if (limit != RLIM_INFINITY)
limit /= 1024;
break;
# endif /* HAVE_RLIMIT_AIO_MEM */
# ifdef HAVE_RLIMIT_AIO_OPS
case RLIMIT_AIO_OPS:
if (head)
printf("-N %2d: AIO operations ", RLIMIT_AIO_OPS);
break;
# endif /* HAVE_RLIMIT_AIO_OPS */
# ifdef HAVE_RLIMIT_TCACHE
case RLIMIT_TCACHE:
if (head)
printf("-N %2d: cached threads ", RLIMIT_TCACHE);
break;
# endif /* HAVE_RLIMIT_TCACHE */
# ifdef HAVE_RLIMIT_SBSIZE
case RLIMIT_SBSIZE:
if (head)
printf("-b: socket buffer size (bytes) ");
break;
# endif /* HAVE_RLIMIT_SBSIZE */
# ifdef HAVE_RLIMIT_PTHREAD
case RLIMIT_PTHREAD:
if (head)
printf("%s", THREAD_FMT);
break;
# endif /* HAVE_RLIMIT_PTHREAD */
# ifdef HAVE_RLIMIT_NICE
case RLIMIT_NICE:
if (head)
printf("-e: max nice ");
break;
# endif /* HAVE_RLIMIT_NICE */
# ifdef HAVE_RLIMIT_RTPRIO
case RLIMIT_RTPRIO:
if (head)
printf("-r: max rt priority ");
break;
# endif /* HAVE_RLIMIT_RTPRIO */
# ifdef HAVE_RLIMIT_NPTS
case RLIMIT_NPTS:
if (head)
printf("-p: pseudo-terminals ");
break;
# endif /* HAVE_RLIMIT_NPTS */
# ifdef HAVE_RLIMIT_SWAP
case RLIMIT_SWAP:
if (head)
printf("-w: swap size (kbytes) ");
if (limit != RLIM_INFINITY)
limit /= 1024;
break;
# endif /* HAVE_RLIMIT_SWAP */
# ifdef HAVE_RLIMIT_KQUEUES
case RLIMIT_KQUEUES:
if (head)
printf("-k: kqueues ");
break;
# endif /* HAVE_RLIMIT_KQUEUES */
# ifdef HAVE_RLIMIT_UMTXP
case RLIMIT_UMTXP:
if (head)
printf("-o: umtx shared locks ");
break;
# endif /* HAVE_RLIMIT_UMTXP */
default:
if (head)
printf("-N %2d: ", lim);
break;
if (head) {
if (lim < RLIM_NLIMITS) {
const resinfo_T *info = resinfo[lim];
if (info->opt == 'N')
printf("-N %2d: %-29s", lim, info->descr);
else
printf("-%c: %-32s", info->opt, info->descr);
}
else
printf("-N %2d: %-29s", lim, "");
}
/* display the limit */
if (limit == RLIM_INFINITY)
printf("unlimited\n");
else {
# ifdef RLIM_T_IS_QUAD_T
printf("%qd\n", limit);
# else
# ifdef RLIM_T_IS_LONG_LONG
printf("%lld\n", limit);
# else
# ifdef RLIM_T_IS_UNSIGNED
printf("%lu\n", (unsigned long)limit);
# else
printf("%ld\n", (long)limit);
# endif /* RLIM_T_IS_UNSIGNED */
# endif /* RLIM_T_IS_LONG_LONG */
# endif /* RLIM_T_IS_QUAD_T */
if (lim < RLIM_NLIMITS)
printrlim(limit/resinfo[lim]->unit, "\n");
else
printrlim(limit, "\n");
}
return 0;
@ -450,7 +410,7 @@ printulimit(char *nam, int lim, int hard, int head)
static int
do_limit(char *nam, int lim, rlim_t val, int hard, int soft, int set)
{
if (lim >= ZSH_NLIMITS) {
if (lim >= RLIM_NLIMITS) {
struct rlimit vals;
if (getrlimit(lim, &vals) < 0)
{
@ -558,8 +518,8 @@ bin_limit(char *nam, char **argv, Options ops, UNUSED(int func))
lim = (int)zstrtol(s, NULL, 10);
}
else
for (lim = -1, limnum = 0; limnum < ZSH_NLIMITS; limnum++)
if (!strncmp(recs[limnum], s, strlen(s))) {
for (lim = -1, limnum = 0; limnum < RLIM_NLIMITS; limnum++)
if (!strncmp(resinfo[limnum]->name, s, strlen(s))) {
if (lim != -1)
lim = -2;
else
@ -576,7 +536,7 @@ bin_limit(char *nam, char **argv, Options ops, UNUSED(int func))
/* without value for limit, display the current limit */
if (!(s = *argv++))
return showlimits(nam, hard, lim);
if (lim >= ZSH_NLIMITS)
if (lim >= RLIM_NLIMITS)
{
val = zstrtorlimt(s, &s, 10);
if (*s)
@ -586,7 +546,7 @@ bin_limit(char *nam, char **argv, Options ops, UNUSED(int func))
return 1;
}
}
else if (limtype[lim] == ZLIMTYPE_TIME) {
else if (resinfo[lim]->type == ZLIMTYPE_TIME) {
/* time-type resource -- may be specified as seconds, or minutes or *
* hours with the `m' and `h' modifiers, and `:' may be used to add *
* together more than one of these. It's easier to understand from *
@ -604,9 +564,9 @@ bin_limit(char *nam, char **argv, Options ops, UNUSED(int func))
return 1;
}
}
} else if (limtype[lim] == ZLIMTYPE_NUMBER ||
limtype[lim] == ZLIMTYPE_UNKNOWN ||
limtype[lim] == ZLIMTYPE_MICROSECONDS) {
} else if (resinfo[lim]->type == ZLIMTYPE_NUMBER ||
resinfo[lim]->type == ZLIMTYPE_UNKNOWN ||
resinfo[lim]->type == ZLIMTYPE_MICROSECONDS) {
/* pure numeric resource -- only a straight decimal number is
permitted. */
char *t = s;
@ -642,7 +602,7 @@ static int
do_unlimit(char *nam, int lim, int hard, int soft, int set, int euid)
{
/* remove specified limit */
if (lim >= ZSH_NLIMITS) {
if (lim >= RLIM_NLIMITS) {
struct rlimit vals;
if (getrlimit(lim, &vals) < 0)
{
@ -718,8 +678,8 @@ bin_unlimit(char *nam, char **argv, Options ops, UNUSED(int func))
if (idigit(**argv)) {
lim = (int)zstrtol(*argv, NULL, 10);
} else {
for (lim = -1, limnum = 0; limnum < ZSH_NLIMITS; limnum++)
if (!strncmp(recs[limnum], *argv, strlen(*argv))) {
for (lim = -1, limnum = 0; limnum < RLIM_NLIMITS; limnum++)
if (!strncmp(resinfo[limnum]->name, *argv, strlen(*argv))) {
if (lim != -1)
lim = -2;
else
@ -800,116 +760,14 @@ bin_ulimit(char *name, char **argv, UNUSED(Options ops), UNUSED(int func))
resmask = (1 << RLIM_NLIMITS) - 1;
nres = RLIM_NLIMITS;
continue;
case 't':
res = RLIMIT_CPU;
break;
case 'f':
res = RLIMIT_FSIZE;
break;
case 'd':
res = RLIMIT_DATA;
break;
case 's':
res = RLIMIT_STACK;
break;
case 'c':
res = RLIMIT_CORE;
break;
# ifdef HAVE_RLIMIT_SBSIZE
case 'b':
res = RLIMIT_SBSIZE;
break;
# endif /* HAVE_RLIMIT_SBSIZE */
# ifdef HAVE_RLIMIT_MEMLOCK
case 'l':
res = RLIMIT_MEMLOCK;
break;
# endif /* HAVE_RLIMIT_MEMLOCK */
# ifdef HAVE_RLIMIT_RSS
case 'm':
res = RLIMIT_RSS;
break;
# endif /* HAVE_RLIMIT_RSS */
# ifdef HAVE_RLIMIT_NOFILE
case 'n':
res = RLIMIT_NOFILE;
break;
# endif /* HAVE_RLIMIT_NOFILE */
# ifdef HAVE_RLIMIT_NPROC
case 'u':
res = RLIMIT_NPROC;
break;
# endif /* HAVE_RLIMIT_NPROC */
# if defined(HAVE_RLIMIT_VMEM) || defined(HAVE_RLIMIT_AS)
case 'v':
# ifdef HAVE_RLIMIT_VMEM
res = RLIMIT_VMEM;
# else
res = RLIMIT_AS;
# endif
break;
# endif /* HAVE_RLIMIT_VMEM */
# ifdef HAVE_RLIMIT_LOCKS
case 'x':
res = RLIMIT_LOCKS;
break;
# endif
# ifdef HAVE_RLIMIT_SIGPENDING
case 'i':
res = RLIMIT_SIGPENDING;
break;
# endif
# ifdef HAVE_RLIMIT_MSGQUEUE
case 'q':
res = RLIMIT_MSGQUEUE;
break;
# endif
# ifdef HAVE_RLIMIT_NICE
case 'e':
res = RLIMIT_NICE;
break;
# endif
# ifdef HAVE_RLIMIT_RTPRIO
case 'r':
res = RLIMIT_RTPRIO;
break;
# else
# ifdef HAVE_RLIMIT_NTHR
/* For compatibility with sh on NetBSD */
case 'r':
res = RLIMIT_NTHR;
break;
# endif /* HAVE_RLIMIT_NTHR */
# endif
# ifdef HAVE_RLIMIT_NPTS
case 'p':
res = RLIMIT_NPTS;
break;
# endif
# ifdef HAVE_RLIMIT_SWAP
case 'w':
res = RLIMIT_SWAP;
break;
# endif
# ifdef HAVE_RLIMIT_KQUEUES
case 'k':
res = RLIMIT_KQUEUES;
break;
# endif
# ifdef HAVE_RLIMIT_PTHREAD
case 'T':
res = RLIMIT_PTHREAD;
break;
# endif
# ifdef HAVE_RLIMIT_UMTXP
case 'o':
res = RLIMIT_UMTXP;
break;
# endif
default:
/* unrecognised limit */
zwarnnam(name, "bad option: -%c", *options);
return 1;
res = find_resource(*options);
if (res < 0) {
/* unrecognised limit */
zwarnnam(name, "bad option: -%c", *options);
return 1;
}
break;
}
if (options[1]) {
resmask |= 1 << res;
@ -961,34 +819,8 @@ bin_ulimit(char *name, char **argv, UNUSED(Options ops), UNUSED(int func))
return 1;
}
/* scale appropriately */
switch (res) {
case RLIMIT_FSIZE:
case RLIMIT_CORE:
limit *= 512;
break;
case RLIMIT_DATA:
case RLIMIT_STACK:
# ifdef HAVE_RLIMIT_RSS
case RLIMIT_RSS:
# endif /* HAVE_RLIMIT_RSS */
# ifdef HAVE_RLIMIT_MEMLOCK
case RLIMIT_MEMLOCK:
# endif /* HAVE_RLIMIT_MEMLOCK */
/* If RLIMIT_VMEM and RLIMIT_RSS are defined and equal, avoid *
* duplicate case statement. Observed on QNX Neutrino 6.1.0. */
# if defined(HAVE_RLIMIT_VMEM) && !defined(RLIMIT_VMEM_IS_RSS)
case RLIMIT_VMEM:
# endif /* HAVE_RLIMIT_VMEM */
/* ditto RLIMIT_VMEM and RLIMIT_AS */
# if defined(HAVE_RLIMIT_AS) && !defined(RLIMIT_VMEM_IS_AS) && !defined(RLIMIT_RSS_IS_AS)
case RLIMIT_AS:
# endif /* HAVE_RLIMIT_AS */
# ifdef HAVE_RLIMIT_AIO_MEM
case RLIMIT_AIO_MEM:
# endif /* HAVE_RLIMIT_AIO_MEM */
limit *= 1024;
break;
}
if (res < RLIM_NLIMITS)
limit *= resinfo[res]->unit;
}
if (do_limit(name, res, limit, hard, soft, 1))
ret++;
@ -1052,6 +884,7 @@ enables_(Module m, int **enables)
int
boot_(UNUSED(Module m))
{
set_resinfo();
return 0;
}
@ -1059,6 +892,7 @@ boot_(UNUSED(Module m))
int
cleanup_(Module m)
{
free_resinfo();
return setfeatureenables(m, &module_features, NULL);
}

15
Src/Builtins/rlimits.mdd
Unescape Escape View File

@ -6,18 +6,3 @@ autofeatures="b:limit b:ulimit b:unlimit"
autofeatures_emu="b:ulimit"
objects="rlimits.o"
:<<\Make
rlimits.o rlimits..o: rlimits.h
# this file will not be made if limits are unavailable
rlimits.h: rlimits.awk @RLIMITS_INC_H@
$(AWK) -f $(sdir)/rlimits.awk @RLIMITS_INC_H@ /dev/null > rlimits.h
@if grep ZLIMTYPE_UNKNOWN rlimits.h >/dev/null; then \
echo >&2 WARNING: unknown limits: mail Src/Builtins/rlimits.h to developers; \
else :; fi
clean-here: clean.rlimits
clean.rlimits:
rm -f rlimits.h
Make

10
Test/B12limit.ztst
Unescape Escape View File

@ -0,0 +1,10 @@
# check if there is unknown resouce(s)
%test
limit | grep UNKNOWN || print OK
0:Check if there is unknown resouce(s) in the system
>OK
F:A failure here does not indicate any error in zsh. It just means there
F:is a resource in your system that is unknown to zsh developers. Please
F:report this to zsh-workers mailing list.

1
configure.ac
Unescape Escape View File

@ -1928,6 +1928,7 @@ zsh_LIMIT_PRESENT(RLIMIT_SIGPENDING)
zsh_LIMIT_PRESENT(RLIMIT_MSGQUEUE)
zsh_LIMIT_PRESENT(RLIMIT_NICE)
zsh_LIMIT_PRESENT(RLIMIT_RTPRIO)
zsh_LIMIT_PRESENT(RLIMIT_RTTIME)
zsh_LIMIT_PRESENT(RLIMIT_POSIXLOCKS)
zsh_LIMIT_PRESENT(RLIMIT_NPTS)
zsh_LIMIT_PRESENT(RLIMIT_SWAP)

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