Mark all symbols hidden by default, export only required ones

src/client/cluster_client.h

@@ -31,7 +31,7 @@ struct cluster_op_part_t
     osd_op_t op;
 };
 
-struct cluster_op_t
+struct __attribute__((visibility("default"))) cluster_op_t
 {
     uint64_t opcode; // OSD_OP_READ, OSD_OP_WRITE, OSD_OP_SYNC, OSD_OP_DELETE, OSD_OP_READ_BITMAP, OSD_OP_READ_CHAIN_BITMAP
     uint64_t inode;
@@ -81,7 +81,7 @@ struct inode_list_pg_t;
 class writeback_cache_t;
 
 // FIXME: Split into public and private interfaces
-class cluster_client_t
+class __attribute__((visibility("default"))) cluster_client_t
 {
 #ifdef __MOCK__
 public:

src/client/etcd_state_client.h

@@ -92,7 +92,7 @@ struct inode_watch_t
 
 struct http_co_t;
 
-struct etcd_state_client_t
+struct __attribute__((visibility("default"))) etcd_state_client_t
 {
 protected:
     std::vector<std::string> local_ips;

src/client/fio_cluster.cpp

@@ -525,7 +525,7 @@ static int sec_invalidate(struct thread_data *td, struct fio_file *f)
     return 0;
 }
 
-struct ioengine_ops ioengine = {
+struct ioengine_ops __attribute__((visibility("default"))) ioengine = {
     .name               = "vitastor_cluster",
     .version            = FIO_IOOPS_VERSION,
     .flags              = FIO_MEMALIGN | FIO_DISKLESSIO | FIO_NOEXTEND,

src/client/fio_sec_osd.cpp

@@ -437,7 +437,7 @@ static int sec_invalidate(struct thread_data *td, struct fio_file *f)
     return 0;
 }
 
-struct ioengine_ops ioengine = {
+struct ioengine_ops __attribute__((visibility("default"))) ioengine = {
     .name               = "vitastor_secondary_osd",
     .version            = FIO_IOOPS_VERSION,
     .flags              = FIO_MEMALIGN | FIO_DISKLESSIO | FIO_NOEXTEND,

src/client/messenger.h

@@ -174,7 +174,7 @@ struct osd_messenger_t;
 struct rdmacm_connecting_t;
 #endif
 
-struct osd_messenger_t
+struct __attribute__((visibility("default"))) osd_messenger_t
 {
 protected:
     int keepalive_timer_id = -1;

src/client/msgr_op.h

@@ -152,7 +152,7 @@ struct blockstore_op_t;
 
 struct osd_primary_op_data_t;
 
-struct osd_op_t
+struct __attribute__((visibility("default"))) osd_op_t
 {
     timespec tv_begin = { 0 }, tv_end = { 0 };
     uint64_t op_type = OSD_OP_IN;

src/client/pg_states.h

@@ -3,6 +3,8 @@
 
 #pragma once
 
+#pragma GCC visibility push(default)
+
 // Placement group states
 // STARTING -> [acquire lock] -> PEERING -> INCOMPLETE|ACTIVE
 // ACTIVE -> REPEERING -> PEERING
@@ -50,3 +52,5 @@ extern const int pg_state_bit_count;
 extern const int object_state_bits[];
 extern const char *object_state_names[];
 extern const int object_state_bit_count;
+
+#pragma GCC visibility pop

src/client/qemu_driver.c

@@ -57,11 +57,11 @@
 #include "vitastor_c.h"
 
 #ifdef VITASTOR_SOURCE_TREE
-void qemu_module_dummy(void)
+void __attribute__((visibility("default"))) qemu_module_dummy(void)
 {
 }
 
-void DSO_STAMP_FUN(void)
+void __attribute__((visibility("default"))) DSO_STAMP_FUN(void)
 {
 }
 #endif

src/client/vitastor_c.h

@@ -22,6 +22,8 @@
 #include <stdint.h>
 #include <sys/uio.h>
 
+#pragma GCC visibility push(default)
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -85,4 +87,6 @@ uint32_t vitastor_c_inode_get_immediate_commit(vitastor_c *client, uint64_t inod
 }
 #endif
 
+#pragma GCC visibility pop
+
 #endif