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<sched.h>: Add sched_getcpu() and cpu_set_t

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This adds the cpu_set_t type definition and related functions
and macros used to handle CPU thread affinity.

  sched_getcpu()
  sched_setaffinity()
  sched_getaffinity()

Change-Id: If382ecafde8926341a88478062b275553645065b
This commit is contained in:
David 'Digit' Turner
2010-12-03 18:04:01 +01:00
parent 6481b91520
commit 72e6fd4242
22 changed files with 585 additions and 2 deletions
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3
libc/SYSCALLS.TXT
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@@ -229,6 +229,9 @@ int sched_getparam(pid_t pid, struct sched_param *param) 155
int sched_get_priority_max(int policy) 159
int sched_get_priority_min(int policy) 160
int sched_rr_get_interval(pid_t pid, struct timespec *interval) 161
int sched_setaffinity(pid_t pid, size_t setsize, const cpu_set_t* set) 241
int __sched_getaffinity:sched_getaffinity(pid_t pid, size_t setsize, cpu_set_t* set) 242
int __getcpu:getcpu(unsigned *cpu, unsigned *node, void *unused) 345,318,318
# io priorities
int ioprio_set(int which, int who, int ioprio) 314,289,288