diff options
author | Rich Felker <dalias@aerifal.cx> | 2011-04-01 22:35:20 -0400 |
---|---|---|
committer | Rich Felker <dalias@aerifal.cx> | 2011-04-01 22:35:20 -0400 |
commit | 952987a0cb9b1973fdf23e05f8ddc6fe3c98fd68 (patch) | |
tree | 20888e580084e33ecfd132d598dbcfddda65630f /src/internal | |
parent | 4ae5e811f8d291a0df1418e1aae583161c142952 (diff) | |
download | musl-952987a0cb9b1973fdf23e05f8ddc6fe3c98fd68.zip musl-952987a0cb9b1973fdf23e05f8ddc6fe3c98fd68.tar.gz musl-952987a0cb9b1973fdf23e05f8ddc6fe3c98fd68.tar.bz2 |
reorganize the __libc structure for threaded performance issues
we want to keep atomically updated fields (locks and thread count) and
really anything writable far away from frequently-needed function
pointers. stuff some rarely-needed function pointers in between to
pad, hopefully up to a cache line boundary.
Diffstat (limited to 'src/internal')
-rw-r--r-- | src/internal/libc.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/internal/libc.h b/src/internal/libc.h index c83fcaf..60a25ef 100644 --- a/src/internal/libc.h +++ b/src/internal/libc.h @@ -5,20 +5,20 @@ #include <stdio.h> struct __libc { - void (*lock)(volatile int *); + int *(*errno_location)(void); void (*cancelpt)(int); + void (*lock)(volatile int *); + void (*lockfile)(FILE *); + void (**tsd_keys)(void *); + void (*sigtimer)(); int (*atexit)(void (*)(void)); void (*fini)(void); void (*ldso_fini)(void); - int *(*errno_location)(void); volatile int threads_minus_1; + int ofl_lock; int (*rsyscall)(int, long, long, long, long, long, long); - void (**tsd_keys)(void *); void (*fork_handler)(int); FILE *ofl_head; - int ofl_lock; - void (*lockfile)(FILE *); - void (*sigtimer)(); }; |