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| author | jake <jake@FreeBSD.org> | 2003-04-03 03:34:50 +0000 |
|---|---|---|
| committer | jake <jake@FreeBSD.org> | 2003-04-03 03:34:50 +0000 |
| commit | 5b2b2811a19544037b626ef44e598691b3b2f525 (patch) | |
| tree | d95f2bb910f0eebc71243aa5c4f13994c66da5ec /lib/libthr/arch/sparc64 | |
| parent | 12c39a9461b4db1d8608dca0cb0cfc47ff8b234e (diff) | |
| download | FreeBSD-src-5b2b2811a19544037b626ef44e598691b3b2f525.zip FreeBSD-src-5b2b2811a19544037b626ef44e598691b3b2f525.tar.gz | |
- Pass a ucontext_t to _set_curthread. If non-NULL the new thread is set
as curthread in the new context, so that it will be set automatically when
the thread is switched to. This fixes a race where we'd run for a little
while with curthread unset in _thread_start.
Reviewed by: jeff
Diffstat (limited to 'lib/libthr/arch/sparc64')
| -rw-r--r-- | lib/libthr/arch/sparc64/sparc64/_setcurthread.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/libthr/arch/sparc64/sparc64/_setcurthread.c b/lib/libthr/arch/sparc64/sparc64/_setcurthread.c index d37c177..4f1a303 100644 --- a/lib/libthr/arch/sparc64/sparc64/_setcurthread.c +++ b/lib/libthr/arch/sparc64/sparc64/_setcurthread.c @@ -48,9 +48,12 @@ _retire_thread(void *v) } void * -_set_curthread(struct pthread *thread) +_set_curthread(ucontext_t *uc, struct pthread *thread) { - _curthread = thread; + if (uc != NULL) + uc->uc_mcontext.mc_global[6] = (uint64_t)thread; + else + _curthread = thread; return (NULL); } |
