Fix utils::writeToFd return type
The `writeToFd` function in `util.cc` returns `ssize_t` but the only returned values are either `false` or `true`. ``` ssize_t writeToFd(int fd, const void* buf, size_t len) { (...) return false; (...) return true; ```
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@ -383,8 +383,7 @@ static bool initParent(nsjconf_t* nsjconf, pid_t pid, int pipefd) {
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LOG_E("Couldn't initialize user namespace for pid %d", pid);
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return false;
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}
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if (util::writeToFd(pipefd, &kSubprocDoneChar, sizeof(kSubprocDoneChar)) !=
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sizeof(kSubprocDoneChar)) {
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if (!util::writeToFd(pipefd, &kSubprocDoneChar, sizeof(kSubprocDoneChar))) {
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LOG_E("Couldn't signal the new process via a socketpair");
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return false;
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}
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