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Clean up <sched.h>.

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This patch switches to using the uapi constants. It also adds the missing
setns system call, fixes sched_getcpu's error behavior, and fixes the
gensyscalls script now ARM is uapi-only too.

Change-Id: I8e16b1693d6d32cd9b8499e46b5d8b0a50bc4f1d
This commit is contained in:
Elliott Hughes
2014-01-02 12:05:50 -08:00
parent 17c9fe7d2f
commit 887e1140fe
16 changed files with 132 additions and 48 deletions
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50
libc/include/sched.h
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@@ -31,54 +31,32 @@
#include <sys/cdefs.h>
#include <sys/time.h>
#include <linux/sched.h>
__BEGIN_DECLS
#define SCHED_NORMAL 0
#define SCHED_OTHER 0
#define SCHED_FIFO 1
#define SCHED_RR 2
/* This name is used by glibc, but not by the kernel. */
#define SCHED_OTHER SCHED_NORMAL
struct sched_param {
int sched_priority;
int sched_priority;
};
extern int sched_setscheduler(pid_t, int, const struct sched_param *);
extern int sched_setscheduler(pid_t, int, const struct sched_param*);
extern int sched_getscheduler(pid_t);
extern int sched_yield(void);
extern int sched_get_priority_max(int policy);
extern int sched_get_priority_min(int policy);
extern int sched_setparam(pid_t, const struct sched_param *);
extern int sched_getparam(pid_t, struct sched_param *);
extern int sched_rr_get_interval(pid_t pid, struct timespec *tp);
#define CLONE_VM 0x00000100
#define CLONE_FS 0x00000200
#define CLONE_FILES 0x00000400
#define CLONE_SIGHAND 0x00000800
#define CLONE_PTRACE 0x00002000
#define CLONE_VFORK 0x00004000
#define CLONE_PARENT 0x00008000
#define CLONE_THREAD 0x00010000
#define CLONE_NEWNS 0x00020000
#define CLONE_SYSVSEM 0x00040000
#define CLONE_SETTLS 0x00080000
#define CLONE_PARENT_SETTID 0x00100000
#define CLONE_CHILD_CLEARTID 0x00200000
#define CLONE_DETACHED 0x00400000
#define CLONE_UNTRACED 0x00800000
#define CLONE_CHILD_SETTID 0x01000000
#define CLONE_STOPPED 0x02000000
extern int sched_get_priority_max(int);
extern int sched_get_priority_min(int);
extern int sched_setparam(pid_t, const struct sched_param*);
extern int sched_getparam(pid_t, struct sched_param*);
extern int sched_rr_get_interval(pid_t, struct timespec*);
#ifdef _GNU_SOURCE
extern int clone(int (*fn)(void *), void *child_stack, int flags, void* arg, ...);
extern int clone(int (*)(void*), void*, int, void*, ...);
extern int unshare(int);
#endif
/* Support for cpu thread affinity */
#ifdef _GNU_SOURCE
extern int sched_getcpu(void);
extern int setns(int, int);
/* Our implementation supports up to 32 independent CPUs, which is also
* the maximum supported by the kernel at the moment. GLibc uses 1024 by