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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2018-01-28 18:43:10 +0100
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2018-01-28 18:46:23 +0100
commit28f6186f3e065ee9d46476e8e9f06135482ae17b (patch)
tree5e274bf7495207ece25c384e2343d8c627805160 /mach/lock-intern.h
parent3fc1ecf93549acd5bea1e84d93862ee556b3a5a8 (diff)
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hurd: take __USE_EXTERN_INLINES into account and restrict inlines
* hurd/hurd.h (__hurd_fail): Always declare function, and provide inline version only if __USE_EXTERN_INLINES is defined. * hurd/hurd/fd.h (_hurd_fd_error_signal, _hurd_fd_error, __hurd_dfail, __hurd_sockfail): Likewise. (_hurd_fd_get): Always declare functions, and provide inline versions only if __USE_EXTERN_INLINES and _LIBC are defined and IS_IN(libc). * hurd/hurd/port.h (_hurd_port_init, _hurd_port_locked_get, _hurd_port_get, _hurd_port_free, _hurd_port_locked_set, _hurd_port_set): Always declare functions, and provide inline versions only if __USE_EXTERN_INLINES and _LIBC are defined and IS_IN(libc). * hurd/hurd/signal.h (_hurd_self_sigstate, _hurd_critical_section_lock, _hurd_critical_section_unlock): Likewise. * hurd/hurd/threadvar.h (__hurd_threadvar_location_from_sp, * __hurd_threadvar_location): Likewise. * hurd/hurd/userlink.h (_hurd_userlink_link, _hurd_userlink_unlink, _hurd_userlink_clear): Likewise. * mach/lock-intern.h (__spin_lock_init, __spin_lock, __mutex_lock, __mutex_unlock, __mutex_trylock): Always declare functions, and provide inline versions only if __USE_EXTERN_INLINES and _LIBC are defined. * mach/mach/mig_support.h (__mig_strncpy): Likewise. * sysdeps/generic/machine-lock.h (__spin_unlock, __spin_try_lock, __spin_lock_locked): Likewise. * sysdeps/mach/i386/machine-lock.h (__spin_unlock, __spin_try_lock, __spin_lock_locked): Likewise. * mach/spin-lock.c (__USE_EXTERN_INLINES): Define to 1. * hurd/Versions (libc: GLIBC_2.27): Add _hurd_fd_error_signal, _hurd_fd_error, __hurd_dfail, __hurd_sockfail, _hurd_port_locked_set, __hurd_threadvar_location_from_sp, __hurd_threadvar_location, _hurd_userlink_link, _hurd_userlink_unlink, _hurd_userlink_clear.
Diffstat (limited to 'mach/lock-intern.h')
-rw-r--r--mach/lock-intern.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/mach/lock-intern.h b/mach/lock-intern.h
index af28c3f..f8874c7 100644
--- a/mach/lock-intern.h
+++ b/mach/lock-intern.h
@@ -28,11 +28,15 @@
/* Initialize LOCK. */
+extern void __spin_lock_init (__spin_lock_t *__lock);
+
+#if defined __USE_EXTERN_INLINES && defined _LIBC
_EXTERN_INLINE void
__spin_lock_init (__spin_lock_t *__lock)
{
*__lock = __SPIN_LOCK_INITIALIZER;
}
+#endif
/* Lock LOCK, blocking if we can't get it. */
@@ -40,12 +44,16 @@ extern void __spin_lock_solid (__spin_lock_t *__lock);
/* Lock the spin lock LOCK. */
+extern void __spin_lock (__spin_lock_t *__lock);
+
+#if defined __USE_EXTERN_INLINES && defined _LIBC
_EXTERN_INLINE void
__spin_lock (__spin_lock_t *__lock)
{
if (! __spin_try_lock (__lock))
__spin_lock_solid (__lock);
}
+#endif
/* Name space-clean internal interface to mutex locks.
@@ -70,27 +78,39 @@ extern void __mutex_unlock_solid (void *__lock);
/* Lock the mutex lock LOCK. */
+extern void __mutex_lock (void *__lock);
+
+#if defined __USE_EXTERN_INLINES && defined _LIBC
_EXTERN_INLINE void
__mutex_lock (void *__lock)
{
if (! __spin_try_lock ((__spin_lock_t *) __lock))
__mutex_lock_solid (__lock);
}
+#endif
/* Unlock the mutex lock LOCK. */
+extern void __mutex_unlock (void *__lock);
+
+#if defined __USE_EXTERN_INLINES && defined _LIBC
_EXTERN_INLINE void
__mutex_unlock (void *__lock)
{
__spin_unlock ((__spin_lock_t *) __lock);
__mutex_unlock_solid (__lock);
}
+#endif
+extern int __mutex_trylock (void *__lock);
+
+#if defined __USE_EXTERN_INLINES && defined _LIBC
_EXTERN_INLINE int
__mutex_trylock (void *__lock)
{
return __spin_try_lock ((__spin_lock_t *) __lock);
}
+#endif
#endif /* lock-intern.h */