diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/util/Makefile.sources | 1 | ||||
| -rw-r--r-- | src/util/u_thread.h | 89 |
2 files changed, 90 insertions, 0 deletions
diff --git a/src/util/Makefile.sources b/src/util/Makefile.sources index 8b2170292d7..8b5ee2d0c71 100644 --- a/src/util/Makefile.sources +++ b/src/util/Makefile.sources @@ -45,6 +45,7 @@ MESA_UTIL_FILES := \ u_atomic.h \ u_endian.h \ u_string.h \ + u_thread.h \ u_vector.c \ u_vector.h \ vk_alloc.h \ diff --git a/src/util/u_thread.h b/src/util/u_thread.h new file mode 100644 index 00000000000..7411140fcb0 --- /dev/null +++ b/src/util/u_thread.h @@ -0,0 +1,89 @@ +/************************************************************************** + * + * 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 "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 +} + +#endif /* U_THREAD_H_ */ |