From 19dd090a0f68765db87990ef8eda9bf77bb29581 Mon Sep 17 00:00:00 2001 From: Henning Heinold Date: Sat, 4 Jun 2011 21:21:41 +0200 Subject: libc: flesh out linux scheduler functions Most stuff was taken from the eglibc. Signed-off-by: Henning Heinold Signed-off-by: Bernhard Reutner-Fischer --- include/sched.h | 52 ++++++++++++++++++++++++++++++++++++++++------------ 1 file changed, 40 insertions(+), 12 deletions(-) (limited to 'include') diff --git a/include/sched.h b/include/sched.h index 0d110c303..e265b84ab 100644 --- a/include/sched.h +++ b/include/sched.h @@ -1,5 +1,5 @@ /* Definitions for POSIX 1003.1b-1993 (aka POSIX.4) scheduling interface. - Copyright (C) 1996,1997,1999,2001-2003,2004 Free Software Foundation, Inc. + Copyright (C) 1996,1997,1999,2001-2004,2007 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 @@ -25,6 +25,9 @@ /* Get type definitions. */ #include +#define __need_size_t +#include + #define __need_timespec #include @@ -65,11 +68,42 @@ extern int sched_rr_get_interval (__pid_t __pid, struct timespec *__t) __THROW; #if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__ /* Access macros for `cpu_set'. */ -#define CPU_SETSIZE __CPU_SETSIZE -#define CPU_SET(cpu, cpusetp) __CPU_SET (cpu, cpusetp) -#define CPU_CLR(cpu, cpusetp) __CPU_CLR (cpu, cpusetp) -#define CPU_ISSET(cpu, cpusetp) __CPU_ISSET (cpu, cpusetp) -#define CPU_ZERO(cpusetp) __CPU_ZERO (cpusetp) +# define CPU_SETSIZE __CPU_SETSIZE +# define CPU_SET(cpu, cpusetp) __CPU_SET_S (cpu, sizeof (cpu_set_t), cpusetp) +# define CPU_CLR(cpu, cpusetp) __CPU_CLR_S (cpu, sizeof (cpu_set_t), cpusetp) +# define CPU_ISSET(cpu, cpusetp) __CPU_ISSET_S (cpu, sizeof (cpu_set_t), \ + cpusetp) +# define CPU_ZERO(cpusetp) __CPU_ZERO_S (sizeof (cpu_set_t), cpusetp) +# define CPU_COUNT(cpusetp) __CPU_COUNT_S (sizeof (cpu_set_t), cpusetp) + +# define CPU_SET_S(cpu, setsize, cpusetp) __CPU_SET_S (cpu, setsize, cpusetp) +# define CPU_CLR_S(cpu, setsize, cpusetp) __CPU_CLR_S (cpu, setsize, cpusetp) +# define CPU_ISSET_S(cpu, setsize, cpusetp) __CPU_ISSET_S (cpu, setsize, \ + cpusetp) +# define CPU_ZERO_S(setsize, cpusetp) __CPU_ZERO_S (setsize, cpusetp) +# define CPU_COUNT_S(setsize, cpusetp) __CPU_COUNT_S (setsize, cpusetp) + +# define CPU_EQUAL(cpusetp1, cpusetp2) \ + __CPU_EQUAL_S (sizeof (cpu_set_t), cpusetp1, cpusetp2) +# define CPU_EQUAL_S(setsize, cpusetp1, cpusetp2) \ + __CPU_EQUAL_S (setsize, cpusetp1, cpusetp2) + +# define CPU_AND(destset, srcset1, srcset2) \ + __CPU_OP_S (sizeof (cpu_set_t), destset, srcset1, srcset2, &) +# define CPU_OR(destset, srcset1, srcset2) \ + __CPU_OP_S (sizeof (cpu_set_t), destset, srcset1, srcset2, |) +# define CPU_XOR(destset, srcset1, srcset2) \ + __CPU_OP_S (sizeof (cpu_set_t), destset, srcset1, srcset2, ^) +# define CPU_AND_S(setsize, destset, srcset1, srcset2) \ + __CPU_OP_S (setsize, destset, srcset1, srcset2, &) +# define CPU_OR_S(setsize, destset, srcset1, srcset2) \ + __CPU_OP_S (setsize, destset, srcset1, srcset2, |) +# define CPU_XOR_S(setsize, destset, srcset1, srcset2) \ + __CPU_OP_S (setsize, destset, srcset1, srcset2, ^) + +# define CPU_ALLOC_SIZE(count) __CPU_ALLOC_SIZE (count) +# define CPU_ALLOC(count) __CPU_ALLOC (count) +# define CPU_FREE(cpuset) __CPU_FREE (cpuset) /* Set the CPU affinity for a task */ @@ -79,12 +113,6 @@ extern int sched_setaffinity (__pid_t __pid, size_t __cpusetsize, /* Get the CPU affinity for a task */ extern int sched_getaffinity (__pid_t __pid, size_t __cpusetsize, cpu_set_t *__cpuset) __THROW; - -extern int __clone (int (*__fn) (void *__arg), void *__child_stack, - int __flags, void *__arg, ...); -extern int __clone2 (int (*__fn) (void *__arg), void *__child_stack_base, - size_t __child_stack_size, int __flags, void *__arg, ...); - #endif __END_DECLS -- cgit v1.2.3