shaba/systemd
1
0
Fork 0
mirror of https://github.com/systemd/systemd.git synced 2025-02-28 05:57:33 +03:00
Code

[PATCH] udev build tweaks to tdb's spinlock code

Browse Source
This commit is contained in:
greg@kroah.com 2003-10-22 22:39:59 -07:00 committed by Greg KH
parent 32ff5bca15
commit 1c386a909a
1 changed files with 4 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
tdb/spinlock.c
View File

@ -21,7 +21,7 @@
#define STANDALONE #define STANDALONE
#define TDB_DEBUG #define TDB_DEBUG
#define HAVE_MMAP 1 #define HAVE_MMAP 1
#include "../udev.h"
#if HAVE_CONFIG_H #if HAVE_CONFIG_H
#include <config.h> #include <config.h>
@ -40,7 +40,6 @@
#include "tdb.h" #include "tdb.h"
#include "spinlock.h" #include "spinlock.h"
#define DEBUG
#else #else
#include "includes.h" #include "includes.h"
#endif #endif
@ -299,10 +298,8 @@ static void __write_unlock(tdb_rwlock_t *rwlock)
{ {
__spin_lock(&rwlock->lock); __spin_lock(&rwlock->lock);
#ifdef DEBUG
if (!(rwlock->count & RWLOCK_BIAS)) if (!(rwlock->count & RWLOCK_BIAS))
fprintf(stderr, "bug: write_unlock\n"); dbg("bug: write_unlock");
#endif
rwlock->count &= ~RWLOCK_BIAS; rwlock->count &= ~RWLOCK_BIAS;
__spin_unlock(&rwlock->lock); __spin_unlock(&rwlock->lock);
@ -312,13 +309,11 @@ static void __read_unlock(tdb_rwlock_t *rwlock)
{ {
__spin_lock(&rwlock->lock); __spin_lock(&rwlock->lock);
#ifdef DEBUG
if (!rwlock->count) if (!rwlock->count)
fprintf(stderr, "bug: read_unlock\n"); dbg("bug: read_unlock");
if (rwlock->count & RWLOCK_BIAS) if (rwlock->count & RWLOCK_BIAS)
fprintf(stderr, "bug: read_unlock\n"); dbg("bug: read_unlock");
#endif
rwlock->count--; rwlock->count--;
__spin_unlock(&rwlock->lock); __spin_unlock(&rwlock->lock);