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authorDamjan Marion <damarion@cisco.com>2018-04-05 21:32:29 +0200
committerDave Barach <openvpp@barachs.net>2018-04-09 16:06:20 +0000
commit72d2c4f3718ba5293e9e0fa8726406ee7d9f3940 (patch)
tree799a61d776b35e640bf2542148bcca946b926dca /src/vlib/init.h
parentf13a8787365300d757eca4624c8f8a6b7c49392b (diff)
plugins: unload plugin if early init fails
Change-Id: I32f68e2ee8f5d32962acdefb0193583f71d342b3 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vlib/init.h')
-rw-r--r--src/vlib/init.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/src/vlib/init.h b/src/vlib/init.h
index 12db3f90b96..1eddbb13d5a 100644
--- a/src/vlib/init.h
+++ b/src/vlib/init.h
@@ -79,6 +79,25 @@ typedef struct vlib_config_function_runtime_t
char name[32];
} vlib_config_function_runtime_t;
+#define VLIB_REMOVE_FROM_LINKED_LIST(first,p,next) \
+{ \
+ if (first == p) \
+ first = (p)->next; \
+ else \
+ { \
+ __typeof__ (p) current = first; \
+ while (current->next) \
+ { \
+ if (current->next == p) \
+ { \
+ current->next = current->next->next; \
+ break; \
+ } \
+ current = current->next; \
+ } \
+ } \
+}
+
#define _VLIB_INIT_FUNCTION_SYMBOL(x, type) \
_vlib_##type##_function_##x
@@ -106,6 +125,30 @@ static void __vlib_add_##tag##_function_##x (void) \
= vm->tag##_function_registrations; \
vm->tag##_function_registrations = &_vlib_init_function; \
_vlib_init_function.f = &x; \
+} \
+static void __vlib_rm_##tag##_function_##x (void) \
+ __attribute__((__destructor__)) ; \
+static void __vlib_rm_##tag##_function_##x (void) \
+{ \
+ vlib_main_t * vm = vlib_get_main(); \
+ _vlib_init_function_list_elt_t *next; \
+ if (vm->tag##_function_registrations->f == &x) \
+ { \
+ vm->tag##_function_registrations = \
+ vm->tag##_function_registrations->next_init_function; \
+ return; \
+ } \
+ next = vm->tag##_function_registrations; \
+ while (next->next_init_function) \
+ { \
+ if (next->next_init_function->f == &x) \
+ { \
+ next->next_init_function = \
+ next->next_init_function->next_init_function; \
+ return; \
+ } \
+ next = next->next_init_function; \
+ } \
}
#define VLIB_INIT_FUNCTION(x) VLIB_DECLARE_INIT_FUNCTION(x,init)
@@ -129,6 +172,16 @@ static void __vlib_add_config_function_##x (void) \
vm->config_function_registrations \
= &VLIB_CONFIG_FUNCTION_SYMBOL(x); \
} \
+static void __vlib_rm_config_function_##x (void) \
+ __attribute__((__destructor__)) ; \
+static void __vlib_rm_config_function_##x (void) \
+{ \
+ vlib_main_t * vm = vlib_get_main(); \
+ vlib_config_function_runtime_t *p = \
+ & VLIB_CONFIG_FUNCTION_SYMBOL (x); \
+ VLIB_REMOVE_FROM_LINKED_LIST \
+ (vm->config_function_registrations, p, next_registration);\
+} \
vlib_config_function_runtime_t \
VLIB_CONFIG_FUNCTION_SYMBOL (x) \
= { \
@@ -150,6 +203,16 @@ static void __vlib_add_config_function_##x (void) \
vm->config_function_registrations \
= &VLIB_CONFIG_FUNCTION_SYMBOL(x); \
} \
+static void __vlib_rm_config_function_##x (void) \
+ __attribute__((__destructor__)) ; \
+static void __vlib_rm_config_function_##x (void) \
+{ \
+ vlib_main_t * vm = vlib_get_main(); \
+ vlib_config_function_runtime_t *p = \
+ & VLIB_CONFIG_FUNCTION_SYMBOL (x); \
+ VLIB_REMOVE_FROM_LINKED_LIST \
+ (vm->config_function_registrations, p, next_registration);\
+} \
vlib_config_function_runtime_t \
VLIB_CONFIG_FUNCTION_SYMBOL (x) \
= { \