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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 <unistd.h>
#include <queue> #include <queue>
#include <dirent.h> #include <dirent.h>
#if !defined(__FreeBSD__)
#include <sys/prctl.h> #include <sys/prctl.h>
#endif
#include <sys/types.h> #include <sys/types.h>
#include <sys/wait.h> #include <sys/wait.h>
#include <kj/async-io.h> #include <kj/async-io.h>
@ -313,12 +315,14 @@ int leader_main(void) {
// reap orphaned child processes. Stick with the more fundamental onSignal. // reap orphaned child processes. Stick with the more fundamental onSignal.
kj::UnixEventPort::captureSignal(SIGCHLD); kj::UnixEventPort::captureSignal(SIGCHLD);
#if !defined(__FreeBSD__)
// Becoming a subreaper means any descendent process whose parent process disappears // Becoming a subreaper means any descendent process whose parent process disappears
// will be reparented to this one instead of init (or higher layer subreaper). // 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 // We do this so that the run will wait until all descedents exit before executing
// the next step. // the next step.
prctl(PR_SET_CHILD_SUBREAPER, 1, NULL, NULL, NULL); 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 // 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 // will also get a kill signal when the run is aborted
setpgid(0, 0); setpgid(0, 0);