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| author | dchagin <dchagin@FreeBSD.org> | 2015-05-24 17:25:57 +0000 |
|---|---|---|
| committer | dchagin <dchagin@FreeBSD.org> | 2015-05-24 17:25:57 +0000 |
| commit | 5a13ec4c645a92b7ac36dc520d9dc471708b7320 (patch) | |
| tree | be0e03f81670b2f0cc3df6c6f5a33e68d4173c44 /sys/compat/linux/linux_futex.c | |
| parent | 8cc36a7686c496cf540f0cb84a147905d0a8556d (diff) | |
| download | FreeBSD-src-5a13ec4c645a92b7ac36dc520d9dc471708b7320.zip FreeBSD-src-5a13ec4c645a92b7ac36dc520d9dc471708b7320.tar.gz | |
Print out unsupported futex operation message only once for the process.
Differential Revision: https://reviews.freebsd.org/D1498
Diffstat (limited to 'sys/compat/linux/linux_futex.c')
| -rw-r--r-- | sys/compat/linux/linux_futex.c | 68 |
1 files changed, 45 insertions, 23 deletions
diff --git a/sys/compat/linux/linux_futex.c b/sys/compat/linux/linux_futex.c index 6924e58..88aae43 100644 --- a/sys/compat/linux/linux_futex.c +++ b/sys/compat/linux/linux_futex.c @@ -936,29 +936,43 @@ linux_sys_futex(struct thread *td, struct linux_sys_futex_args *args) case LINUX_FUTEX_LOCK_PI: /* not yet implemented */ - linux_msg(td, - "linux_sys_futex: " - "op LINUX_FUTEX_LOCK_PI not implemented\n"); - LIN_SDT_PROBE0(futex, linux_sys_futex, unimplemented_lock_pi); + pem = pem_find(td->td_proc); + if ((pem->flags & LINUX_XUNSUP_FUTEXPIOP) == 0) { + linux_msg(td, + "linux_sys_futex: " + "unsupported futex_pi op\n"); + pem->flags |= LINUX_XUNSUP_FUTEXPIOP; + LIN_SDT_PROBE0(futex, linux_sys_futex, + unimplemented_lock_pi); + } LIN_SDT_PROBE1(futex, linux_sys_futex, return, ENOSYS); return (ENOSYS); case LINUX_FUTEX_UNLOCK_PI: /* not yet implemented */ - linux_msg(td, - "linux_sys_futex: " - "op LINUX_FUTEX_UNLOCK_PI not implemented\n"); - LIN_SDT_PROBE0(futex, linux_sys_futex, unimplemented_unlock_pi); + pem = pem_find(td->td_proc); + if ((pem->flags & LINUX_XUNSUP_FUTEXPIOP) == 0) { + linux_msg(td, + "linux_sys_futex: " + "unsupported futex_pi op\n"); + pem->flags |= LINUX_XUNSUP_FUTEXPIOP; + LIN_SDT_PROBE0(futex, linux_sys_futex, + unimplemented_unlock_pi); + } LIN_SDT_PROBE1(futex, linux_sys_futex, return, ENOSYS); return (ENOSYS); case LINUX_FUTEX_TRYLOCK_PI: /* not yet implemented */ - linux_msg(td, - "linux_sys_futex: " - "op LINUX_FUTEX_TRYLOCK_PI not implemented\n"); - LIN_SDT_PROBE0(futex, linux_sys_futex, - unimplemented_trylock_pi); + pem = pem_find(td->td_proc); + if ((pem->flags & LINUX_XUNSUP_FUTEXPIOP) == 0) { + linux_msg(td, + "linux_sys_futex: " + "unsupported futex_pi op\n"); + pem->flags |= LINUX_XUNSUP_FUTEXPIOP; + LIN_SDT_PROBE0(futex, linux_sys_futex, + unimplemented_trylock_pi); + } LIN_SDT_PROBE1(futex, linux_sys_futex, return, ENOSYS); return (ENOSYS); @@ -985,21 +999,29 @@ linux_sys_futex(struct thread *td, struct linux_sys_futex_args *args) case LINUX_FUTEX_WAIT_REQUEUE_PI: /* not yet implemented */ - linux_msg(td, - "linux_sys_futex: " - "op FUTEX_WAIT_REQUEUE_PI not implemented\n"); - LIN_SDT_PROBE0(futex, linux_sys_futex, - unimplemented_wait_requeue_pi); + pem = pem_find(td->td_proc); + if ((pem->flags & LINUX_XUNSUP_FUTEXPIOP) == 0) { + linux_msg(td, + "linux_sys_futex: " + "unsupported futex_pi op\n"); + pem->flags |= LINUX_XUNSUP_FUTEXPIOP; + LIN_SDT_PROBE0(futex, linux_sys_futex, + unimplemented_wait_requeue_pi); + } LIN_SDT_PROBE1(futex, linux_sys_futex, return, ENOSYS); return (ENOSYS); case LINUX_FUTEX_CMP_REQUEUE_PI: /* not yet implemented */ - linux_msg(td, - "linux_sys_futex: " - "op LINUX_FUTEX_CMP_REQUEUE_PI not implemented\n"); - LIN_SDT_PROBE0(futex, linux_sys_futex, - unimplemented_cmp_requeue_pi); + pem = pem_find(td->td_proc); + if ((pem->flags & LINUX_XUNSUP_FUTEXPIOP) == 0) { + linux_msg(td, + "linux_sys_futex: " + "unsupported futex_pi op\n"); + pem->flags |= LINUX_XUNSUP_FUTEXPIOP; + LIN_SDT_PROBE0(futex, linux_sys_futex, + unimplemented_cmp_requeue_pi); + } LIN_SDT_PROBE1(futex, linux_sys_futex, return, ENOSYS); return (ENOSYS); |
