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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2021-05-10 18:05:49 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2021-06-04 09:54:52 -0300
commit57094e576aed174317fb7de2da34be8536891678 (patch)
tree7e356e67bb76d05dea6247720518f34e18879c8f
parenteaa53d0f77691e37aa6f22e18205a2ba019e1a1c (diff)
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libio: Assume _IO_lock_inexpensive
It is already set by both Linux and Hurd.
-rw-r--r--libio/libio.h11
-rw-r--r--sysdeps/mach/libc-lock.h3
-rw-r--r--sysdeps/nptl/stdio-lock.h3
3 files changed, 2 insertions, 15 deletions
diff --git a/libio/libio.h b/libio/libio.h
index 98d526dec7..cebdc65763 100644
--- a/libio/libio.h
+++ b/libio/libio.h
@@ -280,17 +280,10 @@ libc_hidden_proto (_IO_sgetn)
# undef _IO_ftrylockfile
# define _IO_peekc(_fp) _IO_peekc_locked (_fp)
-# if _IO_lock_inexpensive
-# define _IO_flockfile(_fp) \
+# define _IO_flockfile(_fp) \
if (((_fp)->_flags & _IO_USER_LOCK) == 0) _IO_lock_lock (*(_fp)->_lock)
-# define _IO_funlockfile(_fp) \
+# define _IO_funlockfile(_fp) \
if (((_fp)->_flags & _IO_USER_LOCK) == 0) _IO_lock_unlock (*(_fp)->_lock)
-# else
-# define _IO_flockfile(_fp) \
- if (((_fp)->_flags & _IO_USER_LOCK) == 0) _IO_flockfile (_fp)
-# define _IO_funlockfile(_fp) \
- if (((_fp)->_flags & _IO_USER_LOCK) == 0) _IO_funlockfile (_fp)
-# endif
#endif /* _IO_MTSAFE_IO */
#endif /* _LIBIO_H */
diff --git a/sysdeps/mach/libc-lock.h b/sysdeps/mach/libc-lock.h
index d713f34b5f..220fcee921 100644
--- a/sysdeps/mach/libc-lock.h
+++ b/sysdeps/mach/libc-lock.h
@@ -24,9 +24,6 @@
#include <tls.h>
#include <lowlevellock.h>
-/* The locking here is very inexpensive, even for inlining. */
-#define _IO_lock_inexpensive 1
-
typedef unsigned int __libc_lock_t;
typedef struct
{
diff --git a/sysdeps/nptl/stdio-lock.h b/sysdeps/nptl/stdio-lock.h
index f2eee49816..a4f419b516 100644
--- a/sysdeps/nptl/stdio-lock.h
+++ b/sysdeps/nptl/stdio-lock.h
@@ -23,9 +23,6 @@
#include <lowlevellock.h>
-/* The locking here is very inexpensive, even for inlining. */
-#define _IO_lock_inexpensive 1
-
typedef struct { int lock; int cnt; void *owner; } _IO_lock_t;
#define _IO_lock_t_defined 1