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Reflect exit code of child processes #3

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Reflect exit code of child processes #3

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007a7ef
add a basic makefile
alkazar Apr 29, 2024
0b5c242
reflect exit codes of child processes
alkazar Apr 29, 2024
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6 changes: 6 additions & 0 deletions makefile
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
build:
meson setup build
ninja -C build

clean:
rm -rf build
16 changes: 15 additions & 1 deletion reaper.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -52,14 +52,28 @@ int main( int argc, char **argv )
}

pid_t wait_ret;
int child_status;
bool child_failed = false;
while( true )
{
wait_ret = wait( NULL );
wait_ret = wait( &child_status );

if ( child_status != 0 )
{
child_failed = true;
}

if ( wait_ret == -1 && errno == ECHILD )
{
// No more children.
break;
}
}

if ( child_failed )
{
exit ( 1 );
} else {
exit ( 0 );
}
}