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Fix macOS build

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This commit is contained in:
Eelco Dolstra 2023-02-10 16:32:30 +01:00
parent 3e6e34cdf5
commit c49b7472ea
1 changed files with 4 additions and 0 deletions
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4
src/libutil/util.cc
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@ -1085,6 +1085,7 @@ pid_t startProcess(std::function<void()> fun, const ProcessOptions & options)
pid_t pid = -1; pid_t pid = -1;
if (options.cloneFlags) { if (options.cloneFlags) {
#ifdef __linux__
// Not supported, since then we don't know when to free the stack. // Not supported, since then we don't know when to free the stack.
assert(!(options.cloneFlags & CLONE_VM)); assert(!(options.cloneFlags & CLONE_VM));
@ -1096,6 +1097,9 @@ pid_t startProcess(std::function<void()> fun, const ProcessOptions & options)
Finally freeStack([&]() { munmap(stack, stackSize); }); Finally freeStack([&]() { munmap(stack, stackSize); });
pid = clone(childEntry, stack + stackSize, options.cloneFlags | SIGCHLD, &wrapper); pid = clone(childEntry, stack + stackSize, options.cloneFlags | SIGCHLD, &wrapper);
#else
throw Error("clone flags are only supported on Linux");
#endif
} else } else
pid = doFork(options.allowVfork, wrapper); pid = doFork(options.allowVfork, wrapper);