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| author | Pawel Jakub Dawidek <pjd@FreeBSD.org> | 2004-02-04 08:14:58 +0000 |
|---|---|---|
| committer | Pawel Jakub Dawidek <pjd@FreeBSD.org> | 2004-02-04 08:14:58 +0000 |
| commit | 19b0efd32d5085fb6a2fdb4618c7a4217c53b4bb (patch) | |
| tree | fb16ab4364866d98bee657c2b36cec6000386ea4 /sys/kern/kern_sx.c | |
| parent | 2ccbe4b596b63020c32613ed34a9a1a37e8b9954 (diff) | |
| download | src-19b0efd32d5085fb6a2fdb4618c7a4217c53b4bb.tar.gz src-19b0efd32d5085fb6a2fdb4618c7a4217c53b4bb.zip | |
Allow assert that the current thread does not hold the sx(9) lock.
Reviewed by: jhb
In cooperation with: juli, jhb
Approved by: jhb, scottl (mentor)
Notes
Notes:
svn path=/head/; revision=125421
Diffstat (limited to 'sys/kern/kern_sx.c')
| -rw-r--r-- | sys/kern/kern_sx.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sys/kern/kern_sx.c b/sys/kern/kern_sx.c index fd723ed513cd..e744f315b8f2 100644 --- a/sys/kern/kern_sx.c +++ b/sys/kern/kern_sx.c @@ -344,6 +344,17 @@ _sx_assert(struct sx *sx, int what, const char *file, int line) sx->sx_object.lo_name, file, line); mtx_unlock(sx->sx_lock); break; + case SX_UNLOCKED: +#ifdef WITNESS + witness_assert(&sx->sx_object, what, file, line); +#else + mtx_lock(sx->sx_lock); + if (sx->sx_cnt != 0 && sx->sx_xholder == curthread) + printf("Lock %s locked @ %s:%d\n", + sx->sx_object.lo_name, file, line); + mtx_unlock(sx->sx_lock); +#endif + break; default: panic("Unknown sx lock assertion: %d @ %s:%d", what, file, line); |