1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2014 Intel Corporation 3 */ 4 5 #include <errno.h> 6 #include <stdio.h> 7 #include <unistd.h> 8 #include <pthread.h> 9 #include <sys/syscall.h> 10 11 #include <rte_eal.h> 12 #include <rte_lcore.h> 13 #include <rte_log.h> 14 #include <rte_string_fns.h> 15 16 /* require calling thread tid by gettid() */ 17 int rte_sys_gettid(void) 18 { 19 return (int)syscall(SYS_gettid); 20 } 21 22 void rte_thread_set_name(rte_thread_t thread_id, const char *thread_name) 23 { 24 int ret = ENOSYS; 25 #if defined(__GLIBC__) && defined(__GLIBC_PREREQ) 26 #if __GLIBC_PREREQ(2, 12) 27 char truncated[RTE_MAX_THREAD_NAME_LEN]; 28 const size_t truncatedsz = sizeof(truncated); 29 30 if (strlcpy(truncated, thread_name, truncatedsz) >= truncatedsz) 31 RTE_LOG(DEBUG, EAL, "Truncated thread name\n"); 32 33 ret = pthread_setname_np((pthread_t)thread_id.opaque_id, truncated); 34 #endif 35 #endif 36 RTE_SET_USED(thread_id); 37 RTE_SET_USED(thread_name); 38 39 if (ret != 0) 40 RTE_LOG(DEBUG, EAL, "Failed to set thread name\n"); 41 } 42 43 int rte_thread_setname(pthread_t id, const char *name) 44 { 45 int ret = ENOSYS; 46 #if defined(__GLIBC__) && defined(__GLIBC_PREREQ) 47 #if __GLIBC_PREREQ(2, 12) 48 char truncated[16]; 49 50 strlcpy(truncated, name, sizeof(truncated)); 51 ret = pthread_setname_np(id, truncated); 52 #endif 53 #endif 54 RTE_SET_USED(id); 55 RTE_SET_USED(name); 56 return -ret; 57 } 58