diff options
author | Rich Felker <dalias@aerifal.cx> | 2012-10-11 22:47:07 -0400 |
---|---|---|
committer | Rich Felker <dalias@aerifal.cx> | 2012-10-11 22:47:07 -0400 |
commit | 12e9b4faf68a1a02ebf5ad69c03ac10f170f14cb (patch) | |
tree | f206db332e670791be0120cb21cc5eee9bc23574 /src/internal/libc.c | |
parent | f2b1f1af83e96f8f98fbf2a5c663d8d058f2a66d (diff) | |
download | musl-12e9b4faf68a1a02ebf5ad69c03ac10f170f14cb.tar.gz musl-12e9b4faf68a1a02ebf5ad69c03ac10f170f14cb.tar.xz musl-12e9b4faf68a1a02ebf5ad69c03ac10f170f14cb.zip |
i386 vsyscall support (vdso-provided sysenter/syscall instruction based)
this doubles the performance of the fastest syscalls on the atom I tested it on; improvement is reportedly much more dramatic on worst-case cpus. cannot be used for cancellable syscalls.
Diffstat (limited to 'src/internal/libc.c')
-rw-r--r-- | src/internal/libc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/internal/libc.c b/src/internal/libc.c index 004c1a33..d22d2747 100644 --- a/src/internal/libc.c +++ b/src/internal/libc.c @@ -15,3 +15,4 @@ __asm__(".hidden __libc"); #endif size_t __hwcap; +size_t __sysinfo; |