| /************************************************************************** |
| * |
| * Copyright 1999-2006 Brian Paul |
| * Copyright 2008 VMware, Inc. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| #ifndef U_THREAD_H_ |
| #define U_THREAD_H_ |
| |
| #include <stdint.h> |
| #include <stdbool.h> |
| |
| #include "c11/threads.h" |
| |
| #ifdef HAVE_PTHREAD |
| #include <signal.h> |
| #endif |
| |
| |
| static inline thrd_t u_thread_create(int (*routine)(void *), void *param) |
| { |
| thrd_t thread; |
| #ifdef HAVE_PTHREAD |
| sigset_t saved_set, new_set; |
| int ret; |
| |
| sigfillset(&new_set); |
| pthread_sigmask(SIG_SETMASK, &new_set, &saved_set); |
| ret = thrd_create( &thread, routine, param ); |
| pthread_sigmask(SIG_SETMASK, &saved_set, NULL); |
| #else |
| int ret; |
| ret = thrd_create( &thread, routine, param ); |
| #endif |
| if (ret) |
| return 0; |
| |
| return thread; |
| } |
| |
| static inline void u_thread_setname( const char *name ) |
| { |
| #if defined(HAVE_PTHREAD) |
| # if defined(__GNU_LIBRARY__) && defined(__GLIBC__) && defined(__GLIBC_MINOR__) && \ |
| (__GLIBC__ >= 3 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 12)) |
| pthread_setname_np(pthread_self(), name); |
| # endif |
| #endif |
| (void)name; |
| } |
| |
| /* |
| * Thread statistics. |
| */ |
| |
| /* Return the time of a thread's CPU time clock. */ |
| static inline int64_t |
| u_thread_get_time_nano(thrd_t thread) |
| { |
| #if defined(__linux__) && defined(HAVE_PTHREAD) |
| struct timespec ts; |
| clockid_t cid; |
| |
| pthread_getcpuclockid(thread, &cid); |
| clock_gettime(cid, &ts); |
| return (int64_t)ts.tv_sec * 1000000000 + ts.tv_nsec; |
| #else |
| return 0; |
| #endif |
| } |
| |
| static inline bool u_thread_is_self(thrd_t thread) |
| { |
| #if defined(HAVE_PTHREAD) |
| # if defined(__GNU_LIBRARY__) && defined(__GLIBC__) && defined(__GLIBC_MINOR__) && \ |
| (__GLIBC__ >= 3 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 12)) |
| return pthread_equal(pthread_self(), thread); |
| # endif |
| #endif |
| return false; |
| } |
| |
| #endif /* U_THREAD_H_ */ |