* [dpdk-dev] [PATCH 1/2] eal: error number enhancement for thread TLS API
2021-03-02 11:24 [dpdk-dev] [PATCH 0/2] EAL Thread TLS API enhancements Tal Shnaiderman
@ 2021-03-02 11:24 ` Tal Shnaiderman
2021-03-02 11:24 ` [dpdk-dev] [PATCH 2/2] eal: rename key opaque pointer in " Tal Shnaiderman
1 sibling, 0 replies; 6+ messages in thread
From: Tal Shnaiderman @ 2021-03-02 11:24 UTC (permalink / raw)
To: dev
Cc: thomas, pallavi.kadam, dmitry.kozliuk, navasile, dmitrym,
david.marchand, anatoly.burakov, vladimir.medvedkin
add error number reporting to rte_errno in all
functions in the rte_thread_tls_* API.
Suggested-by: Anatoly Burakov <anatoly.burakov@intel.com>
Signed-off-by: Tal Shnaiderman <talshn@nvidia.com>
---
lib/librte_eal/include/rte_thread.h | 6 +++---
lib/librte_eal/unix/rte_thread.c | 6 ++++++
lib/librte_eal/windows/rte_thread.c | 8 +++++++-
3 files changed, 16 insertions(+), 4 deletions(-)
diff --git a/lib/librte_eal/include/rte_thread.h b/lib/librte_eal/include/rte_thread.h
index e640ea1857..39737d1829 100644
--- a/lib/librte_eal/include/rte_thread.h
+++ b/lib/librte_eal/include/rte_thread.h
@@ -59,7 +59,7 @@ void rte_thread_get_affinity(rte_cpuset_t *cpusetp);
*
* @return
* On success, zero.
- * On failure, a negative number.
+ * On failure, a negative number and an error number is set in rte_errno.
*/
__rte_experimental
@@ -73,7 +73,7 @@ int rte_thread_tls_key_create(rte_tls_key *key, void (*destructor)(void *));
*
* @return
* On success, zero.
- * On failure, a negative number.
+ * On failure, a negative number and an error number is set in rte_errno.
*/
__rte_experimental
int rte_thread_tls_key_delete(rte_tls_key key);
@@ -88,7 +88,7 @@ int rte_thread_tls_key_delete(rte_tls_key key);
*
* @return
* On success, zero.
- * On failure, a negative number.
+ * On failure, a negative number and an error number is set in rte_errno.
*/
__rte_experimental
int rte_thread_tls_value_set(rte_tls_key key, const void *value);
diff --git a/lib/librte_eal/unix/rte_thread.c b/lib/librte_eal/unix/rte_thread.c
index 86ffeebc95..86e42bf653 100644
--- a/lib/librte_eal/unix/rte_thread.c
+++ b/lib/librte_eal/unix/rte_thread.c
@@ -24,6 +24,7 @@ rte_thread_tls_key_create(rte_tls_key *key, void (*destructor)(void *))
*key = malloc(sizeof(**key));
if ((*key) == NULL) {
RTE_LOG(DEBUG, EAL, "Cannot allocate TLS key.\n");
+ rte_errno = ENOMEM;
return -1;
}
err = pthread_key_create(&((*key)->thread_index), destructor);
@@ -31,6 +32,7 @@ rte_thread_tls_key_create(rte_tls_key *key, void (*destructor)(void *))
RTE_LOG(DEBUG, EAL, "pthread_key_create failed: %s\n",
strerror(err));
free(*key);
+ rte_errno = err;
return -1;
}
return 0;
@@ -43,6 +45,7 @@ rte_thread_tls_key_delete(rte_tls_key key)
if (!key) {
RTE_LOG(DEBUG, EAL, "Invalid TLS key.\n");
+ rte_errno = EINVAL;
return -1;
}
err = pthread_key_delete(key->thread_index);
@@ -50,6 +53,7 @@ rte_thread_tls_key_delete(rte_tls_key key)
RTE_LOG(DEBUG, EAL, "pthread_key_delete failed: %s\n",
strerror(err));
free(key);
+ rte_errno = err;
return -1;
}
free(key);
@@ -63,12 +67,14 @@ rte_thread_tls_value_set(rte_tls_key key, const void *value)
if (!key) {
RTE_LOG(DEBUG, EAL, "Invalid TLS key.\n");
+ rte_errno = EINVAL;
return -1;
}
err = pthread_setspecific(key->thread_index, value);
if (err) {
RTE_LOG(DEBUG, EAL, "pthread_setspecific failed: %s\n",
strerror(err));
+ rte_errno = err;
return -1;
}
return 0;
diff --git a/lib/librte_eal/windows/rte_thread.c b/lib/librte_eal/windows/rte_thread.c
index 2e2ab29177..1c226b3e30 100644
--- a/lib/librte_eal/windows/rte_thread.c
+++ b/lib/librte_eal/windows/rte_thread.c
@@ -18,12 +18,14 @@ rte_thread_tls_key_create(rte_tls_key *key,
*key = malloc(sizeof(**key));
if ((*key) == NULL) {
RTE_LOG(DEBUG, EAL, "Cannot allocate TLS key.\n");
+ rte_errno = ENOMEM;
return -1;
}
(*key)->thread_index = TlsAlloc();
if ((*key)->thread_index == TLS_OUT_OF_INDEXES) {
RTE_LOG_WIN32_ERR("TlsAlloc()");
free(*key);
+ rte_errno = GetLastError();
return -1;
}
return 0;
@@ -34,11 +36,13 @@ rte_thread_tls_key_delete(rte_tls_key key)
{
if (!key) {
RTE_LOG(DEBUG, EAL, "Invalid TLS key.\n");
+ rte_errno = EINVAL;
return -1;
}
if (!TlsFree(key->thread_index)) {
RTE_LOG_WIN32_ERR("TlsFree()");
free(key);
+ rte_errno = GetLastError();
return -1;
}
free(key);
@@ -52,12 +56,14 @@ rte_thread_tls_value_set(rte_tls_key key, const void *value)
if (!key) {
RTE_LOG(DEBUG, EAL, "Invalid TLS key.\n");
+ rte_errno = EINVAL;
return -1;
}
/* discard const qualifier */
p = (char *) (uintptr_t) value;
if (!TlsSetValue(key->thread_index, p)) {
RTE_LOG_WIN32_ERR("TlsSetValue()");
+ rte_errno = GetLastError();
return -1;
}
return 0;
@@ -76,7 +82,7 @@ rte_thread_tls_value_get(rte_tls_key key)
output = TlsGetValue(key->thread_index);
if (GetLastError() != ERROR_SUCCESS) {
RTE_LOG_WIN32_ERR("TlsGetValue()");
- rte_errno = ENOEXEC;
+ rte_errno = GetLastError();
return NULL;
}
return output;
--
2.16.1.windows.4
^ permalink raw reply [flat|nested] 6+ messages in thread
* [dpdk-dev] [PATCH 2/2] eal: rename key opaque pointer in TLS API
2021-03-02 11:24 [dpdk-dev] [PATCH 0/2] EAL Thread TLS API enhancements Tal Shnaiderman
2021-03-02 11:24 ` [dpdk-dev] [PATCH 1/2] eal: error number enhancement for thread TLS API Tal Shnaiderman
@ 2021-03-02 11:24 ` Tal Shnaiderman
2021-03-02 12:41 ` Morten Brørup
1 sibling, 1 reply; 6+ messages in thread
From: Tal Shnaiderman @ 2021-03-02 11:24 UTC (permalink / raw)
To: dev
Cc: thomas, pallavi.kadam, dmitry.kozliuk, navasile, dmitrym,
david.marchand, anatoly.burakov, vladimir.medvedkin
rename the key opaque pointer from rte_tls_key to
rte_thread_tls_key to avoid confusion with transport layer security.
Suggested-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>
Signed-off-by: Tal Shnaiderman <talshn@nvidia.com>
---
drivers/net/mlx5/linux/mlx5_flow_os.c | 2 +-
drivers/net/mlx5/windows/mlx5_flow_os.c | 2 +-
lib/librte_eal/include/rte_thread.h | 13 +++++++------
lib/librte_eal/unix/rte_thread.c | 8 ++++----
lib/librte_eal/windows/rte_thread.c | 8 ++++----
5 files changed, 17 insertions(+), 16 deletions(-)
diff --git a/drivers/net/mlx5/linux/mlx5_flow_os.c b/drivers/net/mlx5/linux/mlx5_flow_os.c
index 732b1b2dd8..d15a0c0ae7 100644
--- a/drivers/net/mlx5/linux/mlx5_flow_os.c
+++ b/drivers/net/mlx5/linux/mlx5_flow_os.c
@@ -7,7 +7,7 @@
#include <rte_thread.h>
/* Key of thread specific flow workspace data. */
-static rte_tls_key key_workspace;
+static rte_thread_tls_key key_workspace;
int
mlx5_flow_os_init_workspace_once(void)
diff --git a/drivers/net/mlx5/windows/mlx5_flow_os.c b/drivers/net/mlx5/windows/mlx5_flow_os.c
index 2cc02df322..98b0b06c83 100644
--- a/drivers/net/mlx5/windows/mlx5_flow_os.c
+++ b/drivers/net/mlx5/windows/mlx5_flow_os.c
@@ -252,7 +252,7 @@ struct mlx5_workspace_thread {
*/
static struct mlx5_workspace_thread *curr;
static struct mlx5_workspace_thread *first;
-rte_tls_key ws_tls_index;
+rte_thread_tls_key ws_tls_index;
static pthread_mutex_t lock_thread_list;
static bool
diff --git a/lib/librte_eal/include/rte_thread.h b/lib/librte_eal/include/rte_thread.h
index 39737d1829..90bcb02554 100644
--- a/lib/librte_eal/include/rte_thread.h
+++ b/lib/librte_eal/include/rte_thread.h
@@ -23,7 +23,7 @@ extern "C" {
/**
* TLS key type, an opaque pointer.
*/
-typedef struct eal_tls_key *rte_tls_key;
+typedef struct eal_tls_key *rte_thread_tls_key;
/**
* Set core affinity of the current thread.
@@ -63,7 +63,8 @@ void rte_thread_get_affinity(rte_cpuset_t *cpusetp);
*/
__rte_experimental
-int rte_thread_tls_key_create(rte_tls_key *key, void (*destructor)(void *));
+int rte_thread_tls_key_create(rte_thread_tls_key *key,
+ void (*destructor)(void *));
/**
* Delete a TLS data key visible to all threads in the process.
@@ -76,7 +77,7 @@ int rte_thread_tls_key_create(rte_tls_key *key, void (*destructor)(void *));
* On failure, a negative number and an error number is set in rte_errno.
*/
__rte_experimental
-int rte_thread_tls_key_delete(rte_tls_key key);
+int rte_thread_tls_key_delete(rte_thread_tls_key key);
/**
* Set value bound to the TLS key on behalf of the calling thread.
@@ -84,14 +85,14 @@ int rte_thread_tls_key_delete(rte_tls_key key);
* @param key
* The key allocated by rte_thread_tls_key_create().
* @param value
- * The value bound to the rte_tls_key key for the calling thread.
+ * The value bound to the rte_thread_tls_key key for the calling thread.
*
* @return
* On success, zero.
* On failure, a negative number and an error number is set in rte_errno.
*/
__rte_experimental
-int rte_thread_tls_value_set(rte_tls_key key, const void *value);
+int rte_thread_tls_value_set(rte_thread_tls_key key, const void *value);
/**
* Get value bound to the TLS key on behalf of the calling thread.
@@ -104,7 +105,7 @@ int rte_thread_tls_value_set(rte_tls_key key, const void *value);
* On failure, NULL and an error number is set in rte_errno.
*/
__rte_experimental
-void *rte_thread_tls_value_get(rte_tls_key key);
+void *rte_thread_tls_value_get(rte_thread_tls_key key);
#ifdef __cplusplus
}
diff --git a/lib/librte_eal/unix/rte_thread.c b/lib/librte_eal/unix/rte_thread.c
index 86e42bf653..d2d216ee16 100644
--- a/lib/librte_eal/unix/rte_thread.c
+++ b/lib/librte_eal/unix/rte_thread.c
@@ -17,7 +17,7 @@ struct eal_tls_key {
};
int
-rte_thread_tls_key_create(rte_tls_key *key, void (*destructor)(void *))
+rte_thread_tls_key_create(rte_thread_tls_key *key, void (*destructor)(void *))
{
int err;
@@ -39,7 +39,7 @@ rte_thread_tls_key_create(rte_tls_key *key, void (*destructor)(void *))
}
int
-rte_thread_tls_key_delete(rte_tls_key key)
+rte_thread_tls_key_delete(rte_thread_tls_key key)
{
int err;
@@ -61,7 +61,7 @@ rte_thread_tls_key_delete(rte_tls_key key)
}
int
-rte_thread_tls_value_set(rte_tls_key key, const void *value)
+rte_thread_tls_value_set(rte_thread_tls_key key, const void *value)
{
int err;
@@ -81,7 +81,7 @@ rte_thread_tls_value_set(rte_tls_key key, const void *value)
}
void *
-rte_thread_tls_value_get(rte_tls_key key)
+rte_thread_tls_value_get(rte_thread_tls_key key)
{
if (!key) {
RTE_LOG(DEBUG, EAL, "Invalid TLS key.\n");
diff --git a/lib/librte_eal/windows/rte_thread.c b/lib/librte_eal/windows/rte_thread.c
index 1c226b3e30..f071ab7678 100644
--- a/lib/librte_eal/windows/rte_thread.c
+++ b/lib/librte_eal/windows/rte_thread.c
@@ -12,7 +12,7 @@ struct eal_tls_key {
};
int
-rte_thread_tls_key_create(rte_tls_key *key,
+rte_thread_tls_key_create(rte_thread_tls_key *key,
__rte_unused void (*destructor)(void *))
{
*key = malloc(sizeof(**key));
@@ -32,7 +32,7 @@ rte_thread_tls_key_create(rte_tls_key *key,
}
int
-rte_thread_tls_key_delete(rte_tls_key key)
+rte_thread_tls_key_delete(rte_thread_tls_key key)
{
if (!key) {
RTE_LOG(DEBUG, EAL, "Invalid TLS key.\n");
@@ -50,7 +50,7 @@ rte_thread_tls_key_delete(rte_tls_key key)
}
int
-rte_thread_tls_value_set(rte_tls_key key, const void *value)
+rte_thread_tls_value_set(rte_thread_tls_key key, const void *value)
{
char *p;
@@ -70,7 +70,7 @@ rte_thread_tls_value_set(rte_tls_key key, const void *value)
}
void *
-rte_thread_tls_value_get(rte_tls_key key)
+rte_thread_tls_value_get(rte_thread_tls_key key)
{
void *output;
--
2.16.1.windows.4
^ permalink raw reply [flat|nested] 6+ messages in thread