TS-2: ifdef out linux specific bits of getting a backtrace and restoring the signal frame. (should come back to this later) (cherry picked from commit 2c31f7e41ab42c0bf9b24070ad2fda71d1006d05)
TS-2: ifdef out linux specific bits of getting a backtrace and restoring the signal frame. (should come back to this later)
(cherry picked from commit 2c31f7e41ab42c0bf9b24070ad2fda71d1006d05)

git-svn-id: 11ff81c84d71c97d59f0b546ffb43e5587931ee3@884403 13f79535-47bb-0310-9956-ffa450edef68

davidbz/trafficserver,rpufky/trafficserver,rahmalik/trafficserver,reveller/trafficserver,PSUdaemon/trafficserver,duke8253/trafficserver,bryancall/trafficserver,chenglongwei/trafficserver,dyrock/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,rahmalik/trafficserver,reveller/trafficserver,dyrock/trafficserver,dyrock/trafficserver,reveller/trafficserver,PSUdaemon/trafficserver,clearswift/trafficserver,clearswift/trafficserver,taoyunxing/trafficserver,pbchou/trafficserver,chenglongwei/trafficserver,PSUdaemon/trafficserver,chitianhao/trafficserver,SolidWallOfCode/trafficserver,chenglongwei/trafficserver,dyrock/trafficserver,taoyunxing/trafficserver,rpufky/trafficserver,persiaAziz/trafficserver,reveller/trafficserver,pbchou/trafficserver,chitianhao/trafficserver,duke8253/trafficserver,rahmalik/trafficserver,taoyunxing/trafficserver,bryancall/trafficserver,bryancall/trafficserver,taoyunxing/trafficserver,clearswift/trafficserver,rahmalik/trafficserver,taoyunxing/trafficserver,taoyunxing/trafficserver,PSUdaemon/trafficserver,chenglongwei/trafficserver,rpufky/trafficserver,rpufky/trafficserver,persiaAziz/trafficserver,rpufky/trafficserver,PSUdaemon/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,davidbz/trafficserver,rpufky/trafficserver,pbchou/trafficserver,persiaAziz/trafficserver,vmamidi/trafficserver,bryancall/trafficserver,rahmalik/trafficserver,pbchou/trafficserver,vmamidi/trafficserver,dyrock/trafficserver,persiaAziz/trafficserver,clearswift/trafficserver,rahmalik/trafficserver,pbchou/trafficserver,persiaAziz/trafficserver,taoyunxing/trafficserver,SolidWallOfCode/trafficserver,davidbz/trafficserver,bryancall/trafficserver,reveller/trafficserver,davidbz/trafficserver,duke8253/trafficserver,clearswift/trafficserver,reveller/trafficserver,clearswift/trafficserver,taoyunxing/trafficserver,dyrock/trafficserver,reveller/trafficserver,chitianhao/trafficserver,chitianhao/trafficserver,chitianhao/trafficserver,taoyunxing/trafficserver,clearswift/trafficserver,duke8253/trafficserver,dyrock/trafficserver,rahmalik/trafficserver,persiaAziz/trafficserver,chenglongwei/trafficserver,vmamidi/trafficserver,bryancall/trafficserver,rpufky/trafficserver,vmamidi/trafficserver,chenglongwei/trafficserver,clearswift/trafficserver,SolidWallOfCode/trafficserver,PSUdaemon/trafficserver,PSUdaemon/trafficserver,persiaAziz/trafficserver,PSUdaemon/trafficserver,duke8253/trafficserver,persiaAziz/trafficserver,SolidWallOfCode/trafficserver,davidbz/trafficserver,pbchou/trafficserver,davidbz/trafficserver,reveller/trafficserver,chenglongwei/trafficserver,vmamidi/trafficserver,rpufky/trafficserver,reveller/trafficserver,rahmalik/trafficserver,chitianhao/trafficserver,rpufky/trafficserver,SolidWallOfCode/trafficserver,chitianhao/trafficserver,SolidWallOfCode/trafficserver,PSUdaemon/trafficserver,rahmalik/trafficserver,clearswift/trafficserver,chenglongwei/trafficserver