cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / x86_64-linux-gnu / bits / cpu-set.h

diff --git a/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/cpu-set.h b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/cpu-set.h
new file mode 100644 (file)
index 0000000..c5e919e
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/cpu-set.h
@@ -0,0 +1,124 @@
+/* Definition of the cpu_set_t structure used by the POSIX 1003.1b-1993
+   scheduling interface.
+   Copyright (C) 1996-2018 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_CPU_SET_H
+#define _BITS_CPU_SET_H 1
+
+#ifndef _SCHED_H
+# error "Never include <bits/cpu-set.h> directly; use <sched.h> instead."
+#endif
+
+/* Size definition for CPU sets.  */
+#define __CPU_SETSIZE  1024
+#define __NCPUBITS     (8 * sizeof (__cpu_mask))
+
+/* Type for array elements in 'cpu_set_t'.  */
+typedef __CPU_MASK_TYPE __cpu_mask;
+
+/* Basic access functions.  */
+#define __CPUELT(cpu)  ((cpu) / __NCPUBITS)
+#define __CPUMASK(cpu) ((__cpu_mask) 1 << ((cpu) % __NCPUBITS))
+
+/* Data structure to describe CPU mask.  */
+typedef struct
+{
+  __cpu_mask __bits[__CPU_SETSIZE / __NCPUBITS];
+} cpu_set_t;
+
+/* Access functions for CPU masks.  */
+#if __GNUC_PREREQ (2, 91)
+# define __CPU_ZERO_S(setsize, cpusetp) \
+  do __builtin_memset (cpusetp, '\0', setsize); while (0)
+#else
+# define __CPU_ZERO_S(setsize, cpusetp) \
+  do {                                                                       \
+    size_t __i;                                                                      \
+    size_t __imax = (setsize) / sizeof (__cpu_mask);                         \
+    __cpu_mask *__bits = (cpusetp)->__bits;                                  \
+    for (__i = 0; __i < __imax; ++__i)                                       \
+      __bits[__i] = 0;                                                       \
+  } while (0)
+#endif
+#define __CPU_SET_S(cpu, setsize, cpusetp) \
+  (__extension__                                                             \
+   ({ size_t __cpu = (cpu);                                                  \
+      __cpu / 8 < (setsize)                                                  \
+      ? (((__cpu_mask *) ((cpusetp)->__bits))[__CPUELT (__cpu)]                      \
+        |= __CPUMASK (__cpu))                                                \
+      : 0; }))
+#define __CPU_CLR_S(cpu, setsize, cpusetp) \
+  (__extension__                                                             \
+   ({ size_t __cpu = (cpu);                                                  \
+      __cpu / 8 < (setsize)                                                  \
+      ? (((__cpu_mask *) ((cpusetp)->__bits))[__CPUELT (__cpu)]                      \
+        &= ~__CPUMASK (__cpu))                                               \
+      : 0; }))
+#define __CPU_ISSET_S(cpu, setsize, cpusetp) \
+  (__extension__                                                             \
+   ({ size_t __cpu = (cpu);                                                  \
+      __cpu / 8 < (setsize)                                                  \
+      ? ((((const __cpu_mask *) ((cpusetp)->__bits))[__CPUELT (__cpu)]       \
+         & __CPUMASK (__cpu))) != 0                                          \
+      : 0; }))
+
+#define __CPU_COUNT_S(setsize, cpusetp) \
+  __sched_cpucount (setsize, cpusetp)
+
+#if __GNUC_PREREQ (2, 91)
+# define __CPU_EQUAL_S(setsize, cpusetp1, cpusetp2) \
+  (__builtin_memcmp (cpusetp1, cpusetp2, setsize) == 0)
+#else
+# define __CPU_EQUAL_S(setsize, cpusetp1, cpusetp2) \
+  (__extension__                                                             \
+   ({ const __cpu_mask *__arr1 = (cpusetp1)->__bits;                         \
+      const __cpu_mask *__arr2 = (cpusetp2)->__bits;                         \
+      size_t __imax = (setsize) / sizeof (__cpu_mask);                       \
+      size_t __i;                                                            \
+      for (__i = 0; __i < __imax; ++__i)                                     \
+       if (__arr1[__i] != __arr2[__i])                                       \
+         break;                                                              \
+      __i == __imax; }))
+#endif
+
+#define __CPU_OP_S(setsize, destset, srcset1, srcset2, op) \
+  (__extension__                                                             \
+   ({ cpu_set_t *__dest = (destset);                                         \
+      const __cpu_mask *__arr1 = (srcset1)->__bits;                          \
+      const __cpu_mask *__arr2 = (srcset2)->__bits;                          \
+      size_t __imax = (setsize) / sizeof (__cpu_mask);                       \
+      size_t __i;                                                            \
+      for (__i = 0; __i < __imax; ++__i)                                     \
+       ((__cpu_mask *) __dest->__bits)[__i] = __arr1[__i] op __arr2[__i];    \
+      __dest; }))
+
+#define __CPU_ALLOC_SIZE(count) \
+  ((((count) + __NCPUBITS - 1) / __NCPUBITS) * sizeof (__cpu_mask))
+#define __CPU_ALLOC(count) __sched_cpualloc (count)
+#define __CPU_FREE(cpuset) __sched_cpufree (cpuset)
+
+__BEGIN_DECLS
+
+extern int __sched_cpucount (size_t __setsize, const cpu_set_t *__setp)
+     __THROW;
+extern cpu_set_t *__sched_cpualloc (size_t __count) __THROW __wur;
+extern void __sched_cpufree (cpu_set_t *__set) __THROW;
+
+__END_DECLS
+
+#endif /* bits/cpu-set.h */