ndk/platforms/android-18/arch-arm/usr/include/sched.h

   1 /*
   2  * Copyright (C) 2008 The Android Open Source Project
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *  * Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  *  * Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in
  12  *    the documentation and/or other materials provided with the
  13  *    distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28 #ifndef _SCHED_H_
  29 #define _SCHED_H_
  30
  31 #include <sys/cdefs.h>
  32 #include <sys/time.h>
  33
  34 __BEGIN_DECLS
  35
  36 #define SCHED_NORMAL            0
  37 #define SCHED_OTHER             0
  38 #define SCHED_FIFO              1
  39 #define SCHED_RR                2
  40
  41 struct sched_param {
  42     int sched_priority;
  43 };
  44
  45 extern int sched_setscheduler(pid_t, int, const struct sched_param *);
  46 extern int sched_getscheduler(pid_t);
  47 extern int sched_yield(void);
  48 extern int sched_get_priority_max(int policy);
  49 extern int sched_get_priority_min(int policy);
  50 extern int sched_setparam(pid_t, const struct sched_param *);
  51 extern int sched_getparam(pid_t, struct sched_param *);
  52 extern int sched_rr_get_interval(pid_t pid, struct timespec *tp);
  53
  54 #define CLONE_VM             0x00000100
  55 #define CLONE_FS             0x00000200
  56 #define CLONE_FILES          0x00000400
  57 #define CLONE_SIGHAND        0x00000800
  58 #define CLONE_PTRACE         0x00002000
  59 #define CLONE_VFORK          0x00004000
  60 #define CLONE_PARENT         0x00008000
  61 #define CLONE_THREAD         0x00010000
  62 #define CLONE_NEWNS          0x00020000
  63 #define CLONE_SYSVSEM        0x00040000
  64 #define CLONE_SETTLS         0x00080000
  65 #define CLONE_PARENT_SETTID  0x00100000
  66 #define CLONE_CHILD_CLEARTID 0x00200000
  67 #define CLONE_DETACHED       0x00400000
  68 #define CLONE_UNTRACED       0x00800000
  69 #define CLONE_CHILD_SETTID   0x01000000
  70 #define CLONE_STOPPED        0x02000000
  71
  72 #ifdef _GNU_SOURCE
  73 extern int clone(int (*fn)(void *), void *child_stack, int flags, void*  arg, ...);
  74 #endif
  75
  76 __END_DECLS
  77
  78 #endif /* _SCHED_H_ */