xref: /dpdk/lib/eal/linux/eal_thread.c (revision ae67895b507bb6af22263c79ba0d5c374b396485)
199a2dd95SBruce Richardson /* SPDX-License-Identifier: BSD-3-Clause
299a2dd95SBruce Richardson  * Copyright(c) 2010-2014 Intel Corporation
399a2dd95SBruce Richardson  */
499a2dd95SBruce Richardson 
599a2dd95SBruce Richardson #include <errno.h>
699a2dd95SBruce Richardson #include <stdio.h>
799a2dd95SBruce Richardson #include <unistd.h>
899a2dd95SBruce Richardson #include <pthread.h>
999a2dd95SBruce Richardson #include <sys/syscall.h>
1099a2dd95SBruce Richardson 
1199a2dd95SBruce Richardson #include <rte_eal.h>
1299a2dd95SBruce Richardson #include <rte_lcore.h>
136d87be58STyler Retzlaff #include <rte_log.h>
14a95d7054SDavid Marchand #include <rte_string_fns.h>
1599a2dd95SBruce Richardson 
16*ae67895bSDavid Marchand #include "eal_private.h"
17*ae67895bSDavid Marchand 
1899a2dd95SBruce Richardson /* require calling thread tid by gettid() */
rte_sys_gettid(void)1999a2dd95SBruce Richardson int rte_sys_gettid(void)
2099a2dd95SBruce Richardson {
2199a2dd95SBruce Richardson 	return (int)syscall(SYS_gettid);
2299a2dd95SBruce Richardson }
2399a2dd95SBruce Richardson 
rte_thread_set_name(rte_thread_t thread_id,const char * thread_name)246d87be58STyler Retzlaff void rte_thread_set_name(rte_thread_t thread_id, const char *thread_name)
256d87be58STyler Retzlaff {
266d87be58STyler Retzlaff 	int ret = ENOSYS;
276d87be58STyler Retzlaff #if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
286d87be58STyler Retzlaff #if __GLIBC_PREREQ(2, 12)
2993d8a7edSThomas Monjalon 	char truncated[RTE_THREAD_NAME_SIZE];
306d87be58STyler Retzlaff 	const size_t truncatedsz = sizeof(truncated);
316d87be58STyler Retzlaff 
326d87be58STyler Retzlaff 	if (strlcpy(truncated, thread_name, truncatedsz) >= truncatedsz)
33*ae67895bSDavid Marchand 		EAL_LOG(DEBUG, "Truncated thread name");
346d87be58STyler Retzlaff 
356d87be58STyler Retzlaff 	ret = pthread_setname_np((pthread_t)thread_id.opaque_id, truncated);
366d87be58STyler Retzlaff #endif
376d87be58STyler Retzlaff #endif
386d87be58STyler Retzlaff 	RTE_SET_USED(thread_id);
396d87be58STyler Retzlaff 	RTE_SET_USED(thread_name);
406d87be58STyler Retzlaff 
416d87be58STyler Retzlaff 	if (ret != 0)
42*ae67895bSDavid Marchand 		EAL_LOG(DEBUG, "Failed to set thread name");
436d87be58STyler Retzlaff }
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