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| author | David 'Digit' Turner <digit@google.com> | 2010-12-03 18:04:01 +0100 |
|---|---|---|
| committer | David 'Digit' Turner <digit@google.com> | 2010-12-06 13:42:54 +0100 |
| commit | 72e6fd42421dca80fb2776a9185c186d4a04e5f7 (patch) | |
| tree | 322fe185cb1e6bee163cb5c99ed5e1d545ae3c33 /libc/arch-x86/syscalls/__getcpu.S | |
| parent | 6481b91520150e9664a3c4abc5d2aebdce422f93 (diff) | |
| download | android_bionic-72e6fd42421dca80fb2776a9185c186d4a04e5f7.tar.gz android_bionic-72e6fd42421dca80fb2776a9185c186d4a04e5f7.tar.bz2 android_bionic-72e6fd42421dca80fb2776a9185c186d4a04e5f7.zip | |
<sched.h>: Add sched_getcpu() and cpu_set_t
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
Diffstat (limited to 'libc/arch-x86/syscalls/__getcpu.S')
| -rw-r--r-- | libc/arch-x86/syscalls/__getcpu.S | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libc/arch-x86/syscalls/__getcpu.S b/libc/arch-x86/syscalls/__getcpu.S new file mode 100644 index 000000000..03817997e --- /dev/null +++ b/libc/arch-x86/syscalls/__getcpu.S @@ -0,0 +1,29 @@ +/* autogenerated by gensyscalls.py */ +#include <sys/linux-syscalls.h> + + .text + .type __getcpu, @function + .globl __getcpu + .align 4 + +__getcpu: + pushl %ebx + pushl %ecx + pushl %edx + mov 16(%esp), %ebx + mov 20(%esp), %ecx + mov 24(%esp), %edx + movl $__NR_getcpu, %eax + int $0x80 + cmpl $-129, %eax + jb 1f + negl %eax + pushl %eax + call __set_errno + addl $4, %esp + orl $-1, %eax +1: + popl %edx + popl %ecx + popl %ebx + ret |