--- /dev/null
+From 10e8001ad876d8cb3b5a17c7492e713bbc047975 Mon Sep 17 00:00:00 2001
+From: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
+Date: Thu, 28 Mar 2019 18:31:29 -0400
+Subject: [PATCH] Fix: getgrnam is not MT-Safe, use getgrnam_r
+
+Running the test suite under a Yocto musl build resulted in musl
+coredump due to double freeing.
+
+We get the following backtraces:
+
+0 a_crash () at ./arch/x86_64/atomic_arch.h:108
+1 unmap_chunk (self=<optimized out>) at src/malloc/malloc.c:515
+2 free (p=<optimized out>) at src/malloc/malloc.c:526
+3 0x00007f46d9dc3849 in __getgrent_a (f=f@entry=0x7f46d9d1f7e0, gr=gr@entry=0x7f46d9e24460 <gr>, line=line@entry=0x7f46d9e26058 <line>, size=size@entry=0x7f46d92db550, mem=mem@entry=0x7f46d9e26050 <mem>, nmem=nmem@entry=0x7f46d92db558, res=0x7f46d92db548) at src/passwd/getgrent_a.c:45
+4 0x00007f46d9dc2e6b in __getgr_a (name=0x487242 "tracing", gid=gid@entry=0, gr=gr@entry=0x7f46d9e24460 <gr>, buf=buf@entry=0x7f46d9e26058 <line>, size=size@entry=0x7f46d92db550, mem=mem@entry=0x7f46d9e26050 <mem>, nmem=0x7f46d92db558, res=0x7f46d92db548) at src/passwd/getgr_a.c:30
+5 0x00007f46d9dc3733 in getgrnam (name=<optimized out>) at src/passwd/getgrent.c:37
+6 0x0000000000460b29 in utils_get_group_id (name=<optimized out>) at ../../../lttng-tools-2.10.6/src/common/utils.c:1241
+7 0x000000000044ee69 in thread_manage_health (data=<optimized out>) at ../../../../lttng-tools-2.10.6/src/bin/lttng-sessiond/main.c:4115
+8 0x00007f46d9de1541 in start (p=<optimized out>) at src/thread/pthread_create.c:195
+9 0x00007f46d9dee661 in __clone () at src/thread/x86_64/clone.s:22
+
+From another run:
+
+0 a_crash () at ./arch/x86_64/atomic_arch.h:108
+1 unmap_chunk (self=<optimized out>) at src/malloc/malloc.c:515
+2 free (p=<optimized out>) at src/malloc/malloc.c:526
+3 0x00007f5abc210849 in __getgrent_a (f=f@entry=0x7f5abc2733e0, gr=gr@entry=0x7f5abc271460 <gr>, line=line@entry=0x7f5abc273058 <line>, size=size@entry=0x7f5abaef5510, mem=mem@entry=0x7f5abc273050 <mem>, nmem=nmem@entry=0x7f5abaef5518, res=0x7f5abaef5508) at src/passwd/getgrent_a.c:45
+4 0x00007f5abc20fe6b in __getgr_a (name=0x487242 "tracing", gid=gid@entry=0, gr=gr@entry=0x7f5abc271460 <gr>, buf=buf@entry=0x7f5abc273058 <line>, size=size@entry=0x7f5abaef5510, mem=mem@entry=0x7f5abc273050 <mem>, nmem=0x7f5abaef5518, res=0x7f5abaef5508) at src/passwd/getgr_a.c:30
+5 0x00007f5abc210733 in getgrnam (name=<optimized out>) at src/passwd/getgrent.c:37
+6 0x0000000000460b29 in utils_get_group_id (name=<optimized out>) at ../../../lttng-tools-2.10.6/src/common/utils.c:1241
+7 0x000000000042dee4 in notification_channel_socket_create () at ../../../../lttng-tools-2.10.6/src/bin/lttng-sessiond/notification-thread.c:238
+8 init_thread_state (state=0x7f5abaef5560, handle=0x7f5abbf9be40) at ../../../../lttng-tools-2.10.6/src/bin/lttng-sessiond/notification-thread.c:375
+9 thread_notification (data=0x7f5abbf9be40) at ../../../../lttng-tools-2.10.6/src/bin/lttng-sessiond/notification-thread.c:495
+10 0x00007f5abc22e541 in start (p=<optimized out>) at src/thread/pthread_create.c:195
+11 0x00007f5abc23b661 in __clone () at src/thread/x86_64/clone.s:22
+
+The problem was easily reproducible (~6 crash on ~300 runs). A prototype fix
+using mutex around the getgrnam yielded no crash in over 1000 runs. This
+patch yielded the same results as the prototype fix.
+
+Unfortunately we cannot rely on a mutex in liblttng-ctl since we cannot
+enforce the locking for the application using the lib.
+
+Use getgrnam_r instead.
+
+The previous implementation of utils_get_group_id returned the gid of
+the root group (0) on error/not found. lttng_check_tracing_group needs
+to know if an error/not found occured, returning the root group is not
+enough. We now return the gid via the passed parameter. The caller is
+responsible for either defaulting to the root group or propagating the
+error.
+
+We also do not want to warn when used in liblttng-ctl context. We might
+want to move the warning elsewhere in the future. For now, pass a bool
+if we need to warn or not.
+
+Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
+---
+ src/bin/lttng-consumerd/health-consumerd.c | 10 ++-
+ src/bin/lttng-relayd/health-relayd.c | 20 ++++--
+ src/bin/lttng-sessiond/main.c | 24 +++++--
+ src/bin/lttng-sessiond/notification-thread.c | 10 ++-
+ src/common/utils.c | 75 +++++++++++++++++---
+ src/common/utils.h | 4 +-
+ src/lib/lttng-ctl/lttng-ctl.c | 8 +--
+ 7 files changed, 122 insertions(+), 29 deletions(-)
+
+diff --git a/src/bin/lttng-consumerd/health-consumerd.c b/src/bin/lttng-consumerd/health-consumerd.c
+index 1e2f31e4..6045401a 100644
+--- a/src/bin/lttng-consumerd/health-consumerd.c
++++ b/src/bin/lttng-consumerd/health-consumerd.c
+@@ -184,8 +184,14 @@ void *thread_manage_health(void *data)
+ is_root = !getuid();
+ if (is_root) {
+ /* lttng health client socket path permissions */
+- ret = chown(health_unix_sock_path, 0,
+- utils_get_group_id(tracing_group_name));
++ gid_t gid;
++
++ ret = utils_get_group_id(tracing_group_name, true, &gid);
++ if (ret) {
++ gid = 0; /* Default to root group. */
++ }
++
++ ret = chown(health_unix_sock_path, 0, gid);
+ if (ret < 0) {
+ ERR("Unable to set group on %s", health_unix_sock_path);
+ PERROR("chown");
+diff --git a/src/bin/lttng-relayd/health-relayd.c b/src/bin/lttng-relayd/health-relayd.c
+index ba996621..962e88c4 100644
+--- a/src/bin/lttng-relayd/health-relayd.c
++++ b/src/bin/lttng-relayd/health-relayd.c
+@@ -105,8 +105,14 @@ static int create_lttng_rundir_with_perm(const char *rundir)
+ int is_root = !getuid();
+
+ if (is_root) {
+- ret = chown(rundir, 0,
+- utils_get_group_id(tracing_group_name));
++ gid_t gid;
++
++ ret = utils_get_group_id(tracing_group_name, true, &gid);
++ if (ret) {
++ gid = 0; /* Default to root group.*/
++ }
++
++ ret = chown(rundir, 0, gid);
+ if (ret < 0) {
+ ERR("Unable to set group on %s", rundir);
+ PERROR("chown");
+@@ -256,8 +262,14 @@ void *thread_manage_health(void *data)
+ is_root = !getuid();
+ if (is_root) {
+ /* lttng health client socket path permissions */
+- ret = chown(health_unix_sock_path, 0,
+- utils_get_group_id(tracing_group_name));
++ gid_t gid;
++
++ ret = utils_get_group_id(tracing_group_name, true, &gid);
++ if (ret) {
++ gid = 0; /* Default to root group */
++ }
++
++ ret = chown(health_unix_sock_path, 0, gid);
+ if (ret < 0) {
+ ERR("Unable to set group on %s", health_unix_sock_path);
+ PERROR("chown");
+diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c
+index fa6fa483..49307064 100644
+--- a/src/bin/lttng-sessiond/main.c
++++ b/src/bin/lttng-sessiond/main.c
+@@ -4112,8 +4112,14 @@ static void *thread_manage_health(void *data)
+
+ if (is_root) {
+ /* lttng health client socket path permissions */
+- ret = chown(config.health_unix_sock_path.value, 0,
+- utils_get_group_id(config.tracing_group_name.value));
++ gid_t gid;
++
++ ret = utils_get_group_id(config.tracing_group_name.value, true, &gid);
++ if (ret) {
++ gid = 0; /* Default to root group */
++ }
++
++ ret = chown(config.health_unix_sock_path.value, 0, &gid);
+ if (ret < 0) {
+ ERR("Unable to set group on %s", config.health_unix_sock_path.value);
+ PERROR("chown");
+@@ -5238,7 +5244,10 @@ static int set_permissions(char *rundir)
+ int ret;
+ gid_t gid;
+
+- gid = utils_get_group_id(config.tracing_group_name.value);
++ ret = utils_get_group_id(config.tracing_group_name.value, true, &gid);
++ if (ret) {
++ gid = 0; /* Default to root group */
++ }
+
+ /* Set lttng run dir */
+ ret = chown(rundir, 0, gid);
+@@ -5349,7 +5358,14 @@ static int set_consumer_sockets(struct consumer_data *consumer_data)
+ goto error;
+ }
+ if (is_root) {
+- ret = chown(path, 0, utils_get_group_id(config.tracing_group_name.value));
++ gid_t gid;
++
++ ret = utils_get_group_id(config.tracing_group_name.value, true, &gid);
++ if (ret) {
++ gid = 0; /* Default to root group */
++ }
++
++ ret = chown(path, 0, gid);
+ if (ret < 0) {
+ ERR("Unable to set group on %s", path);
+ PERROR("chown");
+diff --git a/src/bin/lttng-sessiond/notification-thread.c b/src/bin/lttng-sessiond/notification-thread.c
+index 92ac597f..18a264d9 100644
+--- a/src/bin/lttng-sessiond/notification-thread.c
++++ b/src/bin/lttng-sessiond/notification-thread.c
+@@ -235,8 +235,14 @@ int notification_channel_socket_create(void)
+ }
+
+ if (getuid() == 0) {
+- ret = chown(sock_path, 0,
+- utils_get_group_id(config.tracing_group_name.value));
++ gid_t gid;
++
++ ret = utils_get_group_id(config.tracing_group_name.value, true, &gid);
++ if (ret) {
++ gid = 0; /* Default to root group. */
++ }
++
++ ret = chown(sock_path, 0, gid);
+ if (ret) {
+ ERR("Failed to set the notification channel socket's group");
+ ret = -1;
+diff --git a/src/common/utils.c b/src/common/utils.c
+index c0bb031e..778bc00f 100644
+--- a/src/common/utils.c
++++ b/src/common/utils.c
+@@ -1231,24 +1231,77 @@ size_t utils_get_current_time_str(const char *format, char *dst, size_t len)
+ }
+
+ /*
+- * Return the group ID matching name, else 0 if it cannot be found.
++ * Return 0 on success and set *gid to the group_ID matching the passed name.
++ * Else -1 if it cannot be found or an error occurred.
+ */
+ LTTNG_HIDDEN
+-gid_t utils_get_group_id(const char *name)
++int utils_get_group_id(const char *name, bool warn, gid_t *gid)
+ {
+- struct group *grp;
++ static volatile int warn_once;
+
+- grp = getgrnam(name);
+- if (!grp) {
+- static volatile int warn_once;
++ int ret;
++ long sys_len;
++ size_t len;
++ struct group grp;
++ struct group *result;
++ char *buffer = NULL;
+
+- if (!warn_once) {
+- WARN("No tracing group detected");
+- warn_once = 1;
++ /* Get the system limit if it exists */
++ sys_len = sysconf(_SC_GETGR_R_SIZE_MAX);
++ if (sys_len == -1) {
++ len = 1024;
++ } else {
++ len = (size_t) sys_len;
++ }
++
++ buffer = malloc(len);
++ if (!buffer) {
++ PERROR("getgrnam_r malloc");
++ ret = -1;
++ goto error;
++ }
++
++ while ((ret = getgrnam_r(name, &grp, buffer, len, &result)) == ERANGE)
++ {
++ /* Buffer is not big enough, increase its size. */
++ size_t new_len = 2 * len;
++ char *new_buffer = NULL;
++ if (new_len < len) {
++ ERR("getgrnam_r buffer size overflow");
++ ret = -1;
++ goto error;
++ }
++ len = new_len;
++ new_buffer = realloc(buffer, len);
++ if (!new_buffer) {
++ PERROR("getgrnam_r realloc");
++ ret = -1;
++ goto error;
+ }
+- return 0;
++ buffer = new_buffer;
++ }
++ if (ret != 0) {
++ PERROR("getgrnam_r");
++ ret = -1;
++ goto error;
++ }
++
++ /* Group not found. */
++ if (!result) {
++ ret = -1;
++ goto error;
++ }
++
++ *gid = result->gr_gid;
++ ret = 0;
++
++error:
++ free(buffer);
++ if (ret && warn && !warn_once) {
++ WARN("No tracing group detected");
++ warn_once = 1;
+ }
+- return grp->gr_gid;
++ return ret;
+ }
+
+ /*
+diff --git a/src/common/utils.h b/src/common/utils.h
+index 18f19ef1..9c72431d 100644
+--- a/src/common/utils.h
++++ b/src/common/utils.h
+@@ -22,6 +22,8 @@
+ #include <unistd.h>
+ #include <stdint.h>
+ #include <getopt.h>
++#include <stdbool.h>
++#include <sys/types.h>
+
+ #define KIBI_LOG2 10
+ #define MEBI_LOG2 20
+@@ -52,7 +54,7 @@ int utils_get_count_order_u64(uint64_t x);
+ char *utils_get_home_dir(void);
+ char *utils_get_user_home_dir(uid_t uid);
+ size_t utils_get_current_time_str(const char *format, char *dst, size_t len);
+-gid_t utils_get_group_id(const char *name);
++int utils_get_group_id(const char *name, bool warn, gid_t *gid);
+ char *utils_generate_optstring(const struct option *long_options,
+ size_t opt_count);
+ int utils_create_lock_file(const char *filepath);
+diff --git a/src/lib/lttng-ctl/lttng-ctl.c b/src/lib/lttng-ctl/lttng-ctl.c
+index 2d84aad9..561b0bcf 100644
+--- a/src/lib/lttng-ctl/lttng-ctl.c
++++ b/src/lib/lttng-ctl/lttng-ctl.c
+@@ -208,15 +208,13 @@ end:
+ LTTNG_HIDDEN
+ int lttng_check_tracing_group(void)
+ {
+- struct group *grp_tracing; /* no free(). See getgrnam(3) */
+- gid_t *grp_list;
++ gid_t *grp_list, tracing_gid;
+ int grp_list_size, grp_id, i;
+ int ret = -1;
+ const char *grp_name = tracing_group;
+
+ /* Get GID of group 'tracing' */
+- grp_tracing = getgrnam(grp_name);
+- if (!grp_tracing) {
++ if (utils_get_group_id(grp_name, false, &tracing_gid)) {
+ /* If grp_tracing is NULL, the group does not exist. */
+ goto end;
+ }
+@@ -241,7 +239,7 @@ int lttng_check_tracing_group(void)
+ }
+
+ for (i = 0; i < grp_list_size; i++) {
+- if (grp_list[i] == grp_tracing->gr_gid) {
++ if (grp_list[i] == tracing_gid) {
+ ret = 1;
+ break;
+ }
+--
+2.17.1
+
+++ /dev/null
---- a/src/common/mi-lttng.h
-+++ b/src/common/mi-lttng.h
-@@ -49,133 +49,133 @@ struct mi_lttng_version {
- };
-
- /* Strings related to command */
--const char * const mi_lttng_element_command;
--const char * const mi_lttng_element_command_action;
--const char * const mi_lttng_element_command_add_context;
--const char * const mi_lttng_element_command_calibrate;
--const char * const mi_lttng_element_command_create;
--const char * const mi_lttng_element_command_destroy;
--const char * const mi_lttng_element_command_disable_channel;
--const char * const mi_lttng_element_command_disable_event;
--const char * const mi_lttng_element_command_enable_channels;
--const char * const mi_lttng_element_command_enable_event;
--const char * const mi_lttng_element_command_list;
--const char * const mi_lttng_element_command_load;
--const char * const mi_lttng_element_command_name;
--const char * const mi_lttng_element_command_output;
--const char * const mi_lttng_element_command_save;
--const char * const mi_lttng_element_command_set_session;
--const char * const mi_lttng_element_command_snapshot;
--const char * const mi_lttng_element_command_snapshot_add;
--const char * const mi_lttng_element_command_snapshot_del;
--const char * const mi_lttng_element_command_snapshot_list;
--const char * const mi_lttng_element_command_snapshot_record;
--const char * const mi_lttng_element_command_start;
--const char * const mi_lttng_element_command_stop;
--const char * const mi_lttng_element_command_success;
--const char * const mi_lttng_element_command_version;
-+extern const char * const mi_lttng_element_command;
-+extern const char * const mi_lttng_element_command_action;
-+extern const char * const mi_lttng_element_command_add_context;
-+extern const char * const mi_lttng_element_command_calibrate;
-+extern const char * const mi_lttng_element_command_create;
-+extern const char * const mi_lttng_element_command_destroy;
-+extern const char * const mi_lttng_element_command_disable_channel;
-+extern const char * const mi_lttng_element_command_disable_event;
-+extern const char * const mi_lttng_element_command_enable_channels;
-+extern const char * const mi_lttng_element_command_enable_event;
-+extern const char * const mi_lttng_element_command_list;
-+extern const char * const mi_lttng_element_command_load;
-+extern const char * const mi_lttng_element_command_name;
-+extern const char * const mi_lttng_element_command_output;
-+extern const char * const mi_lttng_element_command_save;
-+extern const char * const mi_lttng_element_command_set_session;
-+extern const char * const mi_lttng_element_command_snapshot;
-+extern const char * const mi_lttng_element_command_snapshot_add;
-+extern const char * const mi_lttng_element_command_snapshot_del;
-+extern const char * const mi_lttng_element_command_snapshot_list;
-+extern const char * const mi_lttng_element_command_snapshot_record;
-+extern const char * const mi_lttng_element_command_start;
-+extern const char * const mi_lttng_element_command_stop;
-+extern const char * const mi_lttng_element_command_success;
-+extern const char * const mi_lttng_element_command_version;
-
- /* Strings related to version command */
--const char * const mi_lttng_element_version;
--const char * const mi_lttng_element_version_commit;
--const char * const mi_lttng_element_version_description;
--const char * const mi_lttng_element_version_license;
--const char * const mi_lttng_element_version_major;
--const char * const mi_lttng_element_version_minor;
--const char * const mi_lttng_element_version_patch_level;
--const char * const mi_lttng_element_version_str;
--const char * const mi_lttng_element_version_web;
-+extern const char * const mi_lttng_element_version;
-+extern const char * const mi_lttng_element_version_commit;
-+extern const char * const mi_lttng_element_version_description;
-+extern const char * const mi_lttng_element_version_license;
-+extern const char * const mi_lttng_element_version_major;
-+extern const char * const mi_lttng_element_version_minor;
-+extern const char * const mi_lttng_element_version_patch_level;
-+extern const char * const mi_lttng_element_version_str;
-+extern const char * const mi_lttng_element_version_web;
-
- /* String related to a lttng_event_field */
--const char * const mi_lttng_element_event_field;
--const char * const mi_lttng_element_event_fields;
-+extern const char * const mi_lttng_element_event_field;
-+extern const char * const mi_lttng_element_event_fields;
-
- /* String related to lttng_event_context */
--const char * const mi_lttng_context_type_perf_counter;
--const char * const mi_lttng_context_type_perf_cpu_counter;
--const char * const mi_lttng_context_type_perf_thread_counter;
-+extern const char * const mi_lttng_context_type_perf_counter;
-+extern const char * const mi_lttng_context_type_perf_cpu_counter;
-+extern const char * const mi_lttng_context_type_perf_thread_counter;
-
- /* String related to lttng_event_perf_counter_ctx */
--const char * const mi_lttng_element_perf_counter_context;
-+extern const char * const mi_lttng_element_perf_counter_context;
-
- /* Strings related to pid */
--const char * const mi_lttng_element_pids;
--const char * const mi_lttng_element_pid;
--const char * const mi_lttng_element_pid_id;
-+extern const char * const mi_lttng_element_pids;
-+extern const char * const mi_lttng_element_pid;
-+extern const char * const mi_lttng_element_pid_id;
-
- /* Strings related to save command */
--const char * const mi_lttng_element_save;
-+extern const char * const mi_lttng_element_save;
-
- /* Strings related to load command */
--const char * const mi_lttng_element_load;
-+extern const char * const mi_lttng_element_load;
-
- /* General element of mi_lttng */
--const char * const mi_lttng_element_empty;
--const char * const mi_lttng_element_id;
--const char * const mi_lttng_element_nowrite;
--const char * const mi_lttng_element_success;
--const char * const mi_lttng_element_type_enum;
--const char * const mi_lttng_element_type_float;
--const char * const mi_lttng_element_type_integer;
--const char * const mi_lttng_element_type_other;
--const char * const mi_lttng_element_type_string;
-+extern const char * const mi_lttng_element_empty;
-+extern const char * const mi_lttng_element_id;
-+extern const char * const mi_lttng_element_nowrite;
-+extern const char * const mi_lttng_element_success;
-+extern const char * const mi_lttng_element_type_enum;
-+extern const char * const mi_lttng_element_type_float;
-+extern const char * const mi_lttng_element_type_integer;
-+extern const char * const mi_lttng_element_type_other;
-+extern const char * const mi_lttng_element_type_string;
-
- /* String related to loglevel */
--const char * const mi_lttng_loglevel_str_alert;
--const char * const mi_lttng_loglevel_str_crit;
--const char * const mi_lttng_loglevel_str_debug;
--const char * const mi_lttng_loglevel_str_debug_function;
--const char * const mi_lttng_loglevel_str_debug_line;
--const char * const mi_lttng_loglevel_str_debug_module;
--const char * const mi_lttng_loglevel_str_debug_process;
--const char * const mi_lttng_loglevel_str_debug_program;
--const char * const mi_lttng_loglevel_str_debug_system;
--const char * const mi_lttng_loglevel_str_debug_unit;
--const char * const mi_lttng_loglevel_str_emerg;
--const char * const mi_lttng_loglevel_str_err;
--const char * const mi_lttng_loglevel_str_info;
--const char * const mi_lttng_loglevel_str_notice;
--const char * const mi_lttng_loglevel_str_unknown;
--const char * const mi_lttng_loglevel_str_warning;
-+extern const char * const mi_lttng_loglevel_str_alert;
-+extern const char * const mi_lttng_loglevel_str_crit;
-+extern const char * const mi_lttng_loglevel_str_debug;
-+extern const char * const mi_lttng_loglevel_str_debug_function;
-+extern const char * const mi_lttng_loglevel_str_debug_line;
-+extern const char * const mi_lttng_loglevel_str_debug_module;
-+extern const char * const mi_lttng_loglevel_str_debug_process;
-+extern const char * const mi_lttng_loglevel_str_debug_program;
-+extern const char * const mi_lttng_loglevel_str_debug_system;
-+extern const char * const mi_lttng_loglevel_str_debug_unit;
-+extern const char * const mi_lttng_loglevel_str_emerg;
-+extern const char * const mi_lttng_loglevel_str_err;
-+extern const char * const mi_lttng_loglevel_str_info;
-+extern const char * const mi_lttng_loglevel_str_notice;
-+extern const char * const mi_lttng_loglevel_str_unknown;
-+extern const char * const mi_lttng_loglevel_str_warning;
-
- /* String related to loglevel JUL */
--const char * const mi_lttng_loglevel_str_jul_all;
--const char * const mi_lttng_loglevel_str_jul_config;
--const char * const mi_lttng_loglevel_str_jul_fine;
--const char * const mi_lttng_loglevel_str_jul_finer;
--const char * const mi_lttng_loglevel_str_jul_finest;
--const char * const mi_lttng_loglevel_str_jul_info;
--const char * const mi_lttng_loglevel_str_jul_off;
--const char * const mi_lttng_loglevel_str_jul_severe;
--const char * const mi_lttng_loglevel_str_jul_warning;
-+extern const char * const mi_lttng_loglevel_str_jul_all;
-+extern const char * const mi_lttng_loglevel_str_jul_config;
-+extern const char * const mi_lttng_loglevel_str_jul_fine;
-+extern const char * const mi_lttng_loglevel_str_jul_finer;
-+extern const char * const mi_lttng_loglevel_str_jul_finest;
-+extern const char * const mi_lttng_loglevel_str_jul_info;
-+extern const char * const mi_lttng_loglevel_str_jul_off;
-+extern const char * const mi_lttng_loglevel_str_jul_severe;
-+extern const char * const mi_lttng_loglevel_str_jul_warning;
-
- /* String related to loglevel Log4j */
--const char * const mi_lttng_loglevel_str_log4j_off;
--const char * const mi_lttng_loglevel_str_log4j_fatal;
--const char * const mi_lttng_loglevel_str_log4j_error;
--const char * const mi_lttng_loglevel_str_log4j_warn;
--const char * const mi_lttng_loglevel_str_log4j_info;
--const char * const mi_lttng_loglevel_str_log4j_debug;
--const char * const mi_lttng_loglevel_str_log4j_trace;
--const char * const mi_lttng_loglevel_str_log4j_all;
-+extern const char * const mi_lttng_loglevel_str_log4j_off;
-+extern const char * const mi_lttng_loglevel_str_log4j_fatal;
-+extern const char * const mi_lttng_loglevel_str_log4j_error;
-+extern const char * const mi_lttng_loglevel_str_log4j_warn;
-+extern const char * const mi_lttng_loglevel_str_log4j_info;
-+extern const char * const mi_lttng_loglevel_str_log4j_debug;
-+extern const char * const mi_lttng_loglevel_str_log4j_trace;
-+extern const char * const mi_lttng_loglevel_str_log4j_all;
-
- /* String related to loglevel type */
--const char * const mi_lttng_loglevel_type_all;
--const char * const mi_lttng_loglevel_type_range;
--const char * const mi_lttng_loglevel_type_single;
--const char * const mi_lttng_loglevel_type_unknown;
-+extern const char * const mi_lttng_loglevel_type_all;
-+extern const char * const mi_lttng_loglevel_type_range;
-+extern const char * const mi_lttng_loglevel_type_single;
-+extern const char * const mi_lttng_loglevel_type_unknown;
-
- /* Sting related to lttng_calibrate */
--const char * const mi_lttng_element_calibrate;
--const char * const mi_lttng_element_calibrate_function;
-+extern const char * const mi_lttng_element_calibrate;
-+extern const char * const mi_lttng_element_calibrate_function;
-
- /* String related to a lttng_snapshot */
--const char * const mi_lttng_element_snapshot_ctrl_url;
--const char * const mi_lttng_element_snapshot_data_url;
--const char * const mi_lttng_element_snapshot_max_size;
--const char * const mi_lttng_element_snapshot_n_ptr;
--const char * const mi_lttng_element_snapshot_session_name;
--const char * const mi_lttng_element_snapshots;
-+extern const char * const mi_lttng_element_snapshot_ctrl_url;
-+extern const char * const mi_lttng_element_snapshot_data_url;
-+extern const char * const mi_lttng_element_snapshot_max_size;
-+extern const char * const mi_lttng_element_snapshot_n_ptr;
-+extern const char * const mi_lttng_element_snapshot_session_name;
-+extern const char * const mi_lttng_element_snapshots;
-
- /* Utility string function */
- const char *mi_lttng_loglevel_string(int value, enum lttng_domain_type domain);
---- a/src/common/config/config-session-abi.h
-+++ b/src/common/config/config-session-abi.h
-@@ -18,95 +18,95 @@
- #ifndef CONFIG_SESSION_INTERNAL_H
- #define CONFIG_SESSION_INTERNAL_H
-
--const char * const config_element_channel;
--const char * const config_element_channels;
--const char * const config_element_domain;
--const char * const config_element_domains;
--const char * const config_element_event;
--const char * const config_element_events;
--const char * const config_element_context;
--const char * const config_element_contexts;
--const char * const config_element_attributes;
--const char * const config_element_exclusion;
--const char * const config_element_exclusions;
--const char * const config_element_function_attributes;
--const char * const config_element_probe_attributes;
--const char * const config_element_symbol_name;
--const char * const config_element_address;
--const char * const config_element_offset;
--const char * const config_element_name;
--const char * const config_element_enabled;
--const char * const config_element_overwrite_mode;
--const char * const config_element_subbuf_size;
--const char * const config_element_num_subbuf;
--const char * const config_element_switch_timer_interval;
--const char * const config_element_read_timer_interval;
--const char * const config_element_output;
--const char * const config_element_output_type;
--const char * const config_element_tracefile_size;
--const char * const config_element_tracefile_count;
--const char * const config_element_live_timer_interval;
--const char * const config_element_type;
--const char * const config_element_buffer_type;
--const char * const config_element_session;
--const char * const config_element_sessions;
--const char * const config_element_perf;
--const char * const config_element_config;
--const char * const config_element_started;
--const char * const config_element_snapshot_mode;
--const char * const config_element_loglevel;
--const char * const config_element_loglevel_type;
--const char * const config_element_filter;
--const char * const config_element_snapshot_outputs;
--const char * const config_element_consumer_output;
--const char * const config_element_destination;
--const char * const config_element_path;
--const char * const config_element_net_output;
--const char * const config_element_control_uri;
--const char * const config_element_data_uri;
--const char * const config_element_max_size;
--
--const char * const config_domain_type_kernel;
--const char * const config_domain_type_ust;
--const char * const config_domain_type_jul;
--const char * const config_domain_type_log4j;
--
--const char * const config_buffer_type_per_pid;
--const char * const config_buffer_type_per_uid;
--const char * const config_buffer_type_global;
--
--const char * const config_overwrite_mode_discard;
--const char * const config_overwrite_mode_overwrite;
--
--const char * const config_output_type_splice;
--const char * const config_output_type_mmap;
--
--const char * const config_loglevel_type_all;
--const char * const config_loglevel_type_range;
--const char * const config_loglevel_type_single;
--
--const char * const config_event_type_all;
--const char * const config_event_type_tracepoint;
--const char * const config_event_type_probe;
--const char * const config_event_type_function;
--const char * const config_event_type_function_entry;
--const char * const config_event_type_noop;
--const char * const config_event_type_syscall;
--const char * const config_event_type_kprobe;
--const char * const config_event_type_kretprobe;
--
--const char * const config_event_context_pid;
--const char * const config_event_context_procname;
--const char * const config_event_context_prio;
--const char * const config_event_context_nice;
--const char * const config_event_context_vpid;
--const char * const config_event_context_tid;
--const char * const config_event_context_vtid;
--const char * const config_event_context_ppid;
--const char * const config_event_context_vppid;
--const char * const config_event_context_pthread_id;
--const char * const config_event_context_hostname;
--const char * const config_event_context_ip;
--const char * const config_event_context_perf_thread_counter;
-+extern const char * const config_element_channel;
-+extern const char * const config_element_channels;
-+extern const char * const config_element_domain;
-+extern const char * const config_element_domains;
-+extern const char * const config_element_event;
-+extern const char * const config_element_events;
-+extern const char * const config_element_context;
-+extern const char * const config_element_contexts;
-+extern const char * const config_element_attributes;
-+extern const char * const config_element_exclusion;
-+extern const char * const config_element_exclusions;
-+extern const char * const config_element_function_attributes;
-+extern const char * const config_element_probe_attributes;
-+extern const char * const config_element_symbol_name;
-+extern const char * const config_element_address;
-+extern const char * const config_element_offset;
-+extern const char * const config_element_name;
-+extern const char * const config_element_enabled;
-+extern const char * const config_element_overwrite_mode;
-+extern const char * const config_element_subbuf_size;
-+extern const char * const config_element_num_subbuf;
-+extern const char * const config_element_switch_timer_interval;
-+extern const char * const config_element_read_timer_interval;
-+extern const char * const config_element_output;
-+extern const char * const config_element_output_type;
-+extern const char * const config_element_tracefile_size;
-+extern const char * const config_element_tracefile_count;
-+extern const char * const config_element_live_timer_interval;
-+extern const char * const config_element_type;
-+extern const char * const config_element_buffer_type;
-+extern const char * const config_element_session;
-+extern const char * const config_element_sessions;
-+extern const char * const config_element_perf;
-+extern const char * const config_element_config;
-+extern const char * const config_element_started;
-+extern const char * const config_element_snapshot_mode;
-+extern const char * const config_element_loglevel;
-+extern const char * const config_element_loglevel_type;
-+extern const char * const config_element_filter;
-+extern const char * const config_element_snapshot_outputs;
-+extern const char * const config_element_consumer_output;
-+extern const char * const config_element_destination;
-+extern const char * const config_element_path;
-+extern const char * const config_element_net_output;
-+extern const char * const config_element_control_uri;
-+extern const char * const config_element_data_uri;
-+extern const char * const config_element_max_size;
-+
-+extern const char * const config_domain_type_kernel;
-+extern const char * const config_domain_type_ust;
-+extern const char * const config_domain_type_jul;
-+extern const char * const config_domain_type_log4j;
-+
-+extern const char * const config_buffer_type_per_pid;
-+extern const char * const config_buffer_type_per_uid;
-+extern const char * const config_buffer_type_global;
-+
-+extern const char * const config_overwrite_mode_discard;
-+extern const char * const config_overwrite_mode_overwrite;
-+
-+extern const char * const config_output_type_splice;
-+extern const char * const config_output_type_mmap;
-+
-+extern const char * const config_loglevel_type_all;
-+extern const char * const config_loglevel_type_range;
-+extern const char * const config_loglevel_type_single;
-+
-+extern const char * const config_event_type_all;
-+extern const char * const config_event_type_tracepoint;
-+extern const char * const config_event_type_probe;
-+extern const char * const config_event_type_function;
-+extern const char * const config_event_type_function_entry;
-+extern const char * const config_event_type_noop;
-+extern const char * const config_event_type_syscall;
-+extern const char * const config_event_type_kprobe;
-+extern const char * const config_event_type_kretprobe;
-+
-+extern const char * const config_event_context_pid;
-+extern const char * const config_event_context_procname;
-+extern const char * const config_event_context_prio;
-+extern const char * const config_event_context_nice;
-+extern const char * const config_event_context_vpid;
-+extern const char * const config_event_context_tid;
-+extern const char * const config_event_context_vtid;
-+extern const char * const config_event_context_ppid;
-+extern const char * const config_event_context_vppid;
-+extern const char * const config_event_context_pthread_id;
-+extern const char * const config_event_context_hostname;
-+extern const char * const config_event_context_ip;
-+extern const char * const config_event_context_perf_thread_counter;
-
- #endif /* CONFIG_SESSION_INTERNAL_H */
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