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fe FreeBSD port: block prctl in leader.cpp

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Brandon D 2022-05-10 23:06:57 -05:00 committed by GitHub
parent 3b349f7caa
commit 080cc14493
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1 changed files with 5 additions and 1 deletions
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src/leader.cpp
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@ -21,7 +21,9 @@
#include <unistd.h>
#include <queue>
#include <dirent.h>
#if !defined(__FreeBSD__)
#include <sys/prctl.h>
#endif
#include <sys/types.h>
#include <sys/wait.h>
#include <kj/async-io.h>
@ -313,11 +315,13 @@ int leader_main(void) {
// reap orphaned child processes. Stick with the more fundamental onSignal.
kj::UnixEventPort::captureSignal(SIGCHLD);
#if !defined(__FreeBSD__)
// Becoming a subreaper means any descendent process whose parent process disappears
// will be reparented to this one instead of init (or higher layer subreaper).
// We do this so that the run will wait until all descedents exit before executing
// the next step.
prctl(PR_SET_CHILD_SUBREAPER, 1, NULL, NULL, NULL);
#endif
// Become the leader of a new process group. This is so that all child processes
// will also get a kill signal when the run is aborted