diff options
| author | Peter Wemm <peter@FreeBSD.org> | 2013-07-28 05:04:41 +0000 |
|---|---|---|
| committer | Peter Wemm <peter@FreeBSD.org> | 2013-07-28 05:04:41 +0000 |
| commit | 97551b2898eb459e9b616947d87d026d27b61518 (patch) | |
| tree | a851d66ec0c51a7321b30a677a0e55f1655af4d6 /subversion/libsvn_subr/named_atomic.c | |
| parent | fec88c40a7bace625f49c3234a71560a161ee0ef (diff) | |
Diffstat (limited to 'subversion/libsvn_subr/named_atomic.c')
| -rw-r--r-- | subversion/libsvn_subr/named_atomic.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/subversion/libsvn_subr/named_atomic.c b/subversion/libsvn_subr/named_atomic.c index d07e7424f6381..cd58bbb388170 100644 --- a/subversion/libsvn_subr/named_atomic.c +++ b/subversion/libsvn_subr/named_atomic.c @@ -251,6 +251,7 @@ struct svn_atomic_namespace__t */ static svn_mutex__t *thread_mutex = NULL; +#if APR_HAS_MMAP /* Initialization flag for the above used by svn_atomic__init_once. */ static volatile svn_atomic_t mutex_initialized = FALSE; @@ -266,6 +267,7 @@ init_thread_mutex(void *baton, apr_pool_t *pool) return svn_mutex__init(&thread_mutex, USE_THREAD_MUTEX, global_pool); } +#endif /* APR_HAS_MMAP */ /* Utility that acquires our global mutex and converts error types. */ @@ -297,6 +299,7 @@ unlock(struct mutex_t *mutex, svn_error_t * outer_err) unlock_err)); } +#if APR_HAS_MMAP /* The last user to close a particular namespace should also remove the * lock file. Failure to do so, however, does not affect further uses * of the same namespace. @@ -318,6 +321,7 @@ delete_lock_file(void *arg) return status; } +#endif /* APR_HAS_MMAP */ /* Validate the ATOMIC parameter, i.e it's address. Correct code will * never need this but if someone should accidentally to use a NULL or @@ -351,7 +355,11 @@ return_atomic(svn_named_atomic__t **atomic, svn_boolean_t svn_named_atomic__is_supported(void) { -#ifdef _WIN32 +#if !APR_HAS_MMAP + return FALSE; +#elif !defined(_WIN32) + return TRUE; +#else static svn_tristate_t result = svn_tristate_unknown; if (result == svn_tristate_unknown) @@ -373,9 +381,7 @@ svn_named_atomic__is_supported(void) } return result == svn_tristate_true; -#else - return TRUE; -#endif +#endif /* _WIN32 */ } svn_boolean_t @@ -389,6 +395,9 @@ svn_atomic_namespace__create(svn_atomic_namespace__t **ns, const char *name, apr_pool_t *result_pool) { +#if !APR_HAS_MMAP + return svn_error_create(APR_ENOTIMPL, NULL, NULL); +#else apr_status_t apr_err; svn_error_t *err; apr_file_t *file; @@ -489,6 +498,7 @@ svn_atomic_namespace__create(svn_atomic_namespace__t **ns, /* Unlock to allow other processes may access the shared memory as well. */ return unlock(&new_ns->mutex, err); +#endif /* APR_HAS_MMAP */ } svn_error_t * |