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#
# 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] = "Nmaxthr" }
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] = "Mswapuse" }
if (limnam == "KQUEUES") { msg[limnum] = "Nkqueues" }
}
}
}
/^[\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)
}
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