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