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VBOX: Initialize the random number generator before asking for a random number.

This commit is contained in:
Rom Walton 2014-04-05 15:23:39 -04:00
parent 1a744614b6
commit 6f55578937
2 changed files with 10 additions and 4 deletions
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6
samples/vboxwrapper/vboxwrapper.cpp
View File

@ -436,6 +436,12 @@ int main(int argc, char** argv) {
// Choose a random interleave value for checkpoint intervals to stagger disk I/O.
//
struct stat vm_image_stat;
if (-1 == stat(IMAGE_FILENAME_COMPLETE, &vm_image_stat)) {
srand((int)time(NULL));
} else {
srand((int)(vm_image_stat.st_mtime * time(NULL)));
}
random_checkpoint_factor = (double)(((int)(drand() * 100000.0)) % 600);
fprintf(
stderr,

8
win_build/vboxwrapper.vcxproj
View File

@ -128,12 +128,12 @@
</ResourceCompile>
<Link>
<AdditionalDependencies>libcmt.lib;libcpmt.lib;kernel32.lib;user32.lib;gdi32.lib;ole32.lib;wsock32.lib;psapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
<OutputFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26077_windows_intelx86.exe</OutputFile>
<OutputFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26078_windows_intelx86.exe</OutputFile>
<SuppressStartupBanner>true</SuppressStartupBanner>
<IgnoreAllDefaultLibraries>true</IgnoreAllDefaultLibraries>
<DelayLoadDLLs>%(DelayLoadDLLs)</DelayLoadDLLs>
<GenerateDebugInformation>true</GenerateDebugInformation>
<ProgramDatabaseFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26077_windows_intelx86.pdb</ProgramDatabaseFile>
<ProgramDatabaseFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26078_windows_intelx86.pdb</ProgramDatabaseFile>
<SubSystem>Windows</SubSystem>
<TargetMachine>MachineX86</TargetMachine>
</Link>
@ -177,12 +177,12 @@
</ResourceCompile>
<Link>
<AdditionalDependencies>libcmt.lib;libcpmt.lib;kernel32.lib;user32.lib;gdi32.lib;ole32.lib;wsock32.lib;psapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
<OutputFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26077_windows_x86_64.exe</OutputFile>
<OutputFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26078_windows_x86_64.exe</OutputFile>
<SuppressStartupBanner>true</SuppressStartupBanner>
<IgnoreAllDefaultLibraries>true</IgnoreAllDefaultLibraries>
<DelayLoadDLLs>%(DelayLoadDLLs)</DelayLoadDLLs>
<GenerateDebugInformation>true</GenerateDebugInformation>
<ProgramDatabaseFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26077_windows_x86_64.pdb</ProgramDatabaseFile>
<ProgramDatabaseFile>.\Build\$(Platform)\$(Configuration)\vboxwrapper_26078_windows_x86_64.pdb</ProgramDatabaseFile>
<SubSystem>Windows</SubSystem>
<TargetMachine>MachineX64</TargetMachine>
</Link>