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| author | Dmitry Chagin <dchagin@FreeBSD.org> | 2022-03-31 17:42:03 +0000 |
|---|---|---|
| committer | Dmitry Chagin <dchagin@FreeBSD.org> | 2022-03-31 17:42:03 +0000 |
| commit | c7ef7c3facaf663c3da2d91916bcb2f162fc300e (patch) | |
| tree | e80f36c0e3cedb4522fdc6b1d6331ac526f41842 | |
| parent | d7e1e138ec66e410f525413b0caed089139f3cc0 (diff) | |
| download | src-c7ef7c3facaf663c3da2d91916bcb2f162fc300e.tar.gz src-c7ef7c3facaf663c3da2d91916bcb2f162fc300e.zip | |
linux(4): Add support for __WALL wait option bit.
As FreeBSD does not have __WALL option bit analogue explicitly set all
possible option bits to emulate Linux __WALL wait option bit.
Reviewed by: emaste
Differential revision: https://reviews.freebsd.org/D31555
MFC after: 2 weeks
| -rw-r--r-- | sys/compat/linux/linux_misc.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c index e2c231ed3460..6eae0fc01694 100644 --- a/sys/compat/linux/linux_misc.c +++ b/sys/compat/linux/linux_misc.c @@ -1063,6 +1063,14 @@ linux_wait4(struct thread *td, struct linux_wait4_args *args) */ options |= WEXITED | WTRAPPED; + /* + * As FreeBSD does not have __WALL option bit analogue explicitly set all + * possible option bits to emulate Linux __WALL wait option bit. The same + * for waitid system call. + */ + if ((args->options & __WALL) != 0) + options |= WUNTRACED | WCONTINUED | WLINUXCLONE; + if (args->pid == WAIT_ANY) { idtype = P_ALL; id = 0; @@ -1096,6 +1104,9 @@ linux_waitid(struct thread *td, struct linux_waitid_args *args) options = 0; linux_to_bsd_waitopts(args->options, &options); + if ((args->options & __WALL) != 0) + options |= WEXITED | WTRAPPED | WUNTRACED | + WCONTINUED | WLINUXCLONE; switch (args->idtype) { case LINUX_P_ALL: |