Fix detection of shared memory support and proper fallback.

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1316 fefdeb5f-60dc-0310-8127-8f9354f1896f

2 files changed, 27 insertions, 1 deletions

diff --git a/src/modules/module-oss-mmap.c b/src/modules/module-oss-mmap.c
index 0be6bbe2..5ab08287 100644
--- a/src/modules/module-oss-mmap.c
+++ b/src/modules/module-oss-mmap.c
@@ -34,7 +34,10 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <limits.h>
+
+#ifdef HAVE_SYS_MMAN_H
 #include <sys/mman.h>
+#endif
 
 #include <pulse/xmalloc.h>
 #include <pulse/util.h>
diff --git a/src/pulsecore/shm.c b/src/pulsecore/shm.c
index 02528126..7c10bd0a 100644
--- a/src/pulsecore/shm.c
+++ b/src/pulsecore/shm.c
@@ -27,12 +27,15 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <fcntl.h>
-#include <sys/mman.h>
 #include <stdio.h>
 #include <errno.h>
 #include <string.h>
 #include <sys/stat.h>
 
+#ifdef HAVE_SYS_MMAN_H
+#include <sys/mman.h>
+#endif
+
 #include <pulsecore/core-error.h>
 #include <pulsecore/log.h>
 #include <pulsecore/random.h>
@@ -51,6 +54,8 @@ static char *segment_name(char *fn, size_t l, unsigned id) {
     return fn;
 }
 
+#ifdef HAVE_SHM_OPEN
+
 int pa_shm_create_rw(pa_shm *m, size_t size, int shared, mode_t mode) {
     char fn[32];
     int fd = -1;
@@ -239,3 +244,21 @@ fail:
 
     return -1;
 }
+
+#else /* HAVE_SHM_OPEN */
+
+int pa_shm_create_rw(pa_shm *m, size_t size, int shared, mode_t mode) {
+	return -1;
+}
+
+void pa_shm_free(pa_shm *m) {
+}
+
+void pa_shm_punch(pa_shm *m, size_t offset, size_t size) {
+}
+
+int pa_shm_attach_ro(pa_shm *m, unsigned id) {
+	return -1;
+}
+
+#endif /* HAVE_SHM_OPEN */