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annotate R/rdc/demo/malloc.R @ 56:16151547265e

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made callback example python 2 compatible, and added some randomness to numbers to sort
author Tassilo Philipp
date Tue, 02 Feb 2021 21:07:41 +0100
parents 0cfcc391201f
children
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1 # File: rdc/demo/malloc.R
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2 # Description: sample demo to get malloc/free functions
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3
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4 if( .Platform$OS.type == "windows" ) {
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5 .windir <- paste(Sys.getenv("windir")[[1]],"\\system32\\",sep="")
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6 .libC <- paste(.windir,"msvcrt",sep="")
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7 } else {
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8 sysname <- Sys.info()[["sysname"]]
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9 if (sysname == "Darwin")
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10 {
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11 .libC <- "/usr/lib/libc.dylib"
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12 } else {
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13 .libC <- "/lib/libc.so.6"
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14 }
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15 }
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16
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17 dyn.load(.libC)
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18
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19 bind <- function(name, signature)
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20 {
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21 address <- getNativeSymbolInfo(name)$address
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22 assign(name, function(...) rdcCall(address,signature,...), parent.frame() )
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23 }
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24
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25 bind("malloc","i)p")
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26 bind("free","p)v")
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