sapi/phpdbg: Update of userfaultfd workflow. #13955
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@nielsdos do you know well enough here ? :) |
nielsdos
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Apr 30, 2024
sapi/phpdbg/phpdbg_watch.c
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| PHPDBG_G(watch_userfaultfd) = syscall(SYS_userfaultfd, O_CLOEXEC); | ||
| int flags = O_CLOEXEC; | ||
| #ifdef UFFD_USER_MODE_ONLY | ||
| // unpriviliged userfaultfd being disabled by default, |
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| // unpriviliged userfaultfd being disabled by default, | |
| // unpriviliged userfaultfd are disabled by default, |
unpriviliged_userfaultfd is set to 0 by default. Since Linux 5.11 handling memory ranges from the user-space is allowed with the `UFFD_USER_MODE_ONLY` fd open mode flag.
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unpriviliged_userfaultfd is set to 0 by default. Since Linux 5.11 handling memory ranges from the user-space is allowed with the
UFFD_USER_MODE_ONLYfd open mode flag.