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Diffstat (limited to 'gcc-4.8.1/libgo/runtime/yield.c')
-rw-r--r-- | gcc-4.8.1/libgo/runtime/yield.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/gcc-4.8.1/libgo/runtime/yield.c b/gcc-4.8.1/libgo/runtime/yield.c deleted file mode 100644 index 5c47719d4..000000000 --- a/gcc-4.8.1/libgo/runtime/yield.c +++ /dev/null @@ -1,52 +0,0 @@ -// Copyright 2011 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -#include "config.h" - -#include <stddef.h> -#include <sys/types.h> -#include <sys/time.h> -#include <sched.h> -#include <unistd.h> - -#ifdef HAVE_SYS_SELECT_H -#include <sys/select.h> -#endif - -#include "runtime.h" - -/* Spin wait. */ - -void -runtime_procyield (uint32 cnt) -{ - volatile uint32 i; - - for (i = 0; i < cnt; ++i) - { -#if defined (__i386__) || defined (__x86_64__) - __builtin_ia32_pause (); -#endif - } -} - -/* Ask the OS to reschedule this thread. */ - -void -runtime_osyield (void) -{ - sched_yield (); -} - -/* Sleep for some number of microseconds. */ - -void -runtime_usleep (uint32 us) -{ - struct timeval tv; - - tv.tv_sec = us / 1000000; - tv.tv_usec = us % 1000000; - select (0, NULL, NULL, NULL, &tv); -} |