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Implement compile time debug mode for thread locks.

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This commit is contained in:
John Birrell 1998-06-09 08:32:23 +00:00
parent 3d853e107e
commit 86af3ff9b0
3 changed files with 11 additions and 11 deletions
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10
lib/libc/gen/_spinlock_stub.c
View File

@ -29,7 +29,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: _spinlock_stub.c,v 1.1 1998/03/09 06:46:21 jb Exp $
* $Id: _spinlock_stub.c,v 1.2 1998/04/29 09:02:16 jb Exp $
*
*/
@ -44,21 +44,21 @@
* with libpthread.
*/
#pragma weak _spinlock=_spinlock_stub
#pragma weak _atomic_unlock=_atomic_unlock_stub
#pragma weak _spinlock_debug=_spinlock_debug_stub
/*
* This function is a stub for the spinlock function in libpthread.
*/
void
_spinlock_stub(long *lck)
_spinlock_stub(spinlock_t *lck)
{
}
/*
* This function is a stub for the _atomic_unlock function in libpthread.
* This function is a stub for the debug spinlock function in libpthread.
*/
void
_atomic_unlock_stub(long *lck)
_spinlock_debug_stub(spinlock_t *lck, char *fname, int lineno)
{
}
#endif

4
lib/libc/gen/isatty.c
View File

@ -50,11 +50,11 @@ isatty(fd)
struct termios t;
#ifdef _THREAD_SAFE
if (_thread_fd_lock(fd, FD_READ, NULL,__FILE__,__LINE__) == 0) {
if (_FD_LOCK(fd, FD_READ, NULL) == 0) {
#endif
retval = (tcgetattr(fd, &t) != -1);
#ifdef _THREAD_SAFE
_thread_fd_unlock(fd, FD_READ);
_FD_UNLOCK(fd, FD_READ);
} else {
retval = 0;
}

8
lib/libc/gen/ttyname.c
View File

@ -59,9 +59,9 @@ ttyname(int fd)
{
char *ret;
if (_thread_fd_lock(fd, FD_READ, NULL, __FILE__, __LINE__) == 0) {
if (_FD_LOCK(fd, FD_READ, NULL) == 0) {
ret = __ttyname_basic(fd);
_thread_fd_unlock(fd, FD_READ);
_FD_UNLOCK(fd, FD_READ);
} else {
ret = NULL;
}
@ -144,9 +144,9 @@ ttyname_r(int fd, char *buf, size_t len)
{
char *ret;
if (_thread_fd_lock(fd, FD_READ, NULL, __FILE__, __LINE__) == 0) {
if (_FD_LOCK(fd, FD_READ, NULL) == 0) {
ret = __ttyname_r_basic(fd, buf, len);
_thread_fd_unlock(fd, FD_READ);
_FD_UNLOCK(fd, FD_READ);
} else {
ret = NULL;
}