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| author | Rich Felker <dalias@aerifal.cx> | 2011-03-12 21:55:45 -0500 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2011-03-12 21:55:45 -0500 |
| commit | 5eb0d33ec0f08b123c5c10877d6258d05fa9453a (patch) | |
| tree | 85ff7f5397424685d89af8176ff7ce6d6f46f6e2 /src/internal/libc.h | |
| parent | d8d19f4d46284d5b6124710a5235b6fe090c013f (diff) | |
| download | musl-5eb0d33ec0f08b123c5c10877d6258d05fa9453a.tar.gz musl-5eb0d33ec0f08b123c5c10877d6258d05fa9453a.tar.xz musl-5eb0d33ec0f08b123c5c10877d6258d05fa9453a.zip | |
implement flockfile api, rework stdio locking
Diffstat (limited to 'src/internal/libc.h')
| -rw-r--r-- | src/internal/libc.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/internal/libc.h b/src/internal/libc.h index e81ef760..3d09bf6a 100644 --- a/src/internal/libc.h +++ b/src/internal/libc.h @@ -15,6 +15,9 @@ struct __libc { 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 *); }; @@ -36,6 +39,7 @@ extern struct __libc *__libc_loc(void) __attribute__((const)); /* Designed to avoid any overhead in non-threaded processes */ void __lock(volatile int *); +void __lockfile(FILE *); #define LOCK(x) (libc.threads_minus_1 ? (__lock(x),1) : ((void)(x),1)) #define UNLOCK(x) (*(x)=0) #define CANCELPT(x) (libc.cancelpt ? libc.cancelpt((x)),0 : (void)(x),0) |