1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2021 Mellanox Technologies, Ltd
6 #include <rte_compat.h>
16 * Simple threads functionality supplied by EAL.
24 * TLS key type, an opaque pointer.
26 typedef struct eal_tls_key *rte_tls_key;
29 * Set core affinity of the current thread.
30 * Support both EAL and non-EAL thread and update TLS.
33 * Pointer to CPU affinity to set.
35 * On success, return 0; otherwise return -1;
37 int rte_thread_set_affinity(rte_cpuset_t *cpusetp);
40 * Get core affinity of the current thread.
43 * Pointer to CPU affinity of current thread.
44 * It presumes input is not NULL, otherwise it causes panic.
47 void rte_thread_get_affinity(rte_cpuset_t *cpusetp);
50 * Create a TLS data key visible to all threads in the process.
51 * the created key is later used to get/set a value.
52 * and optional destructor can be set to be called when a thread exits.
55 * Pointer to store the allocated key.
57 * The function to be called when the thread exits.
58 * Ignored on Windows OS.
62 * On failure, a negative number.
66 int rte_thread_tls_key_create(rte_tls_key *key, void (*destructor)(void *));
69 * Delete a TLS data key visible to all threads in the process.
72 * The key allocated by rte_thread_tls_key_create().
76 * On failure, a negative number.
79 int rte_thread_tls_key_delete(rte_tls_key key);
82 * Set value bound to the TLS key on behalf of the calling thread.
85 * The key allocated by rte_thread_tls_key_create().
87 * The value bound to the rte_tls_key key for the calling thread.
91 * On failure, a negative number.
94 int rte_thread_tls_value_set(rte_tls_key key, const void *value);
97 * Get value bound to the TLS key on behalf of the calling thread.
100 * The key allocated by rte_thread_tls_key_create().
103 * On success, value data pointer (can also be NULL).
104 * On failure, NULL and an error number is set in rte_errno.
107 void *rte_thread_tls_value_get(rte_tls_key key);
113 #endif /* _RTE_THREAD_H_ */