diff options
| author | phk <phk@FreeBSD.org> | 2004-11-13 11:53:02 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 2004-11-13 11:53:02 +0000 |
| commit | 216166ee0de39b10ba8e60f4115d65e1251ff29f (patch) | |
| tree | 15f70d195895ba0b6c385bc2892b07302db4faaa /sys/kern/kern_fork.c | |
| parent | 32d92d3a1a6bf10d16cd48469ec464510bd8ff2f (diff) | |
| download | FreeBSD-src-216166ee0de39b10ba8e60f4115d65e1251ff29f.zip FreeBSD-src-216166ee0de39b10ba8e60f4115d65e1251ff29f.tar.gz | |
Introduce an alias for FILEDESC_{UN}LOCK() with the suffix _FAST.
Use this in all the places where sleeping with the lock held is not
an issue.
The distinction will become significant once we finalize the exact
lock-type to use for this kind of case.
Diffstat (limited to 'sys/kern/kern_fork.c')
| -rw-r--r-- | sys/kern/kern_fork.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c index c6e2f12..9d90b1c 100644 --- a/sys/kern/kern_fork.c +++ b/sys/kern/kern_fork.c @@ -234,16 +234,16 @@ fork1(td, flags, pages, procp) * Unshare file descriptors (from parent). */ if (flags & RFFDG) { - FILEDESC_LOCK(p1->p_fd); + FILEDESC_LOCK_FAST(p1->p_fd); if (p1->p_fd->fd_refcnt > 1) { struct filedesc *newfd; - FILEDESC_UNLOCK(p1->p_fd); + FILEDESC_UNLOCK_FAST(p1->p_fd); newfd = fdcopy(p1->p_fd); fdfree(td); p1->p_fd = newfd; } else - FILEDESC_UNLOCK(p1->p_fd); + FILEDESC_UNLOCK_FAST(p1->p_fd); } *procp = NULL; return (0); @@ -439,9 +439,9 @@ again: * shared process leaders. */ fdtol = p1->p_fdtol; - FILEDESC_LOCK(p1->p_fd); + FILEDESC_LOCK_FAST(p1->p_fd); fdtol->fdl_refcount++; - FILEDESC_UNLOCK(p1->p_fd); + FILEDESC_UNLOCK_FAST(p1->p_fd); } else { /* * Shared file descriptor table, and |
