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;
31 * Set core affinity of the current thread.
32 * Support both EAL and non-EAL thread and update TLS.
35 * Pointer to CPU affinity to set.
37 * On success, return 0; otherwise return -1;
39 int rte_thread_set_affinity(rte_cpuset_t *cpusetp);
42 * Get core affinity of the current thread.
45 * Pointer to CPU affinity of current thread.
46 * It presumes input is not NULL, otherwise it causes panic.
49 void rte_thread_get_affinity(rte_cpuset_t *cpusetp);
51 #endif /* RTE_HAS_CPUSET */
54 * Create a TLS data key visible to all threads in the process.
55 * the created key is later used to get/set a value.
56 * and optional destructor can be set to be called when a thread exits.
59 * Pointer to store the allocated key.
61 * The function to be called when the thread exits.
62 * Ignored on Windows OS.
66 * On failure, a negative number.
70 int rte_thread_tls_key_create(rte_tls_key *key, void (*destructor)(void *));
73 * Delete a TLS data key visible to all threads in the process.
76 * The key allocated by rte_thread_tls_key_create().
80 * On failure, a negative number.
83 int rte_thread_tls_key_delete(rte_tls_key key);
86 * Set value bound to the TLS key on behalf of the calling thread.
89 * The key allocated by rte_thread_tls_key_create().
91 * The value bound to the rte_tls_key key for the calling thread.
95 * On failure, a negative number.
98 int rte_thread_tls_value_set(rte_tls_key key, const void *value);
101 * Get value bound to the TLS key on behalf of the calling thread.
104 * The key allocated by rte_thread_tls_key_create().
107 * On success, value data pointer (can also be NULL).
108 * On failure, NULL and an error number is set in rte_errno.
111 void *rte_thread_tls_value_get(rte_tls_key key);
117 #endif /* _RTE_THREAD_H_ */