[Issue 14003] New: fork() on MacOS X 10.10.1 results in a core.exception.InvalidMemoryOperationError@(0)

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=14003

          Issue ID: 14003
           Summary: fork() on MacOS X 10.10.1 results in a
                    core.exception.InvalidMemoryOperationError@(0)
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Mac OS X
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: druntime
          Assignee: nobody at puremagic.com
          Reporter: lplus at 126.com

// DMD64 D Compiler v2.066.1 on OS X 10.10.1
// results core.exception.InvalidMemoryOperationError@(0)
import core.sys.posix.unistd;
void main() {
    fork();
}


// ok
import core.sys.posix.unistd;
extern(C): // ++++
void main() {
    fork();
}


// ok
import core.sys.posix.unistd;
void main() {
    if (fork() == 0) {
        _exit(0);
    }
}


// ok
import core.sys.posix.unistd;
void main() {
    if (fork() == 0) {
        // call exec*
    }
}

// why ?

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