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optimize cond waiter move using atomic swap instead of cas loop
[musl]
/
src
/
internal
/
libc.h
diff --git
a/src/internal/libc.h
b/src/internal/libc.h
index
06ba73e
..
d985902
100644
(file)
--- a/
src/internal/libc.h
+++ b/
src/internal/libc.h
@@
-5,17
+5,17
@@
#include <stdio.h>
struct __libc {
#include <stdio.h>
struct __libc {
- int *(*errno_location)(void);
- void (*testcancel)(void);
+ void *main_thread;
int threaded;
int threaded;
- int
canceldisabl
e;
-
void (*fork_handler)(int)
;
+ int
secur
e;
+
size_t *auxv
;
int (*atexit)(void (*)(void));
void (*fini)(void);
void (*ldso_fini)(void);
volatile int threads_minus_1;
int (*atexit)(void (*)(void));
void (*fini)(void);
void (*ldso_fini)(void);
volatile int threads_minus_1;
- int
ofl_lock
;
+ int
canceldisable
;
FILE *ofl_head;
FILE *ofl_head;
+ int ofl_lock;
};
};
@@
-37,11
+37,14
@@
extern struct __libc *__libc_loc(void) __attribute__((const));
/* Designed to avoid any overhead in non-threaded processes */
void __lock(volatile int *);
/* Designed to avoid any overhead in non-threaded processes */
void __lock(volatile int *);
-void __lockfile(FILE *);
+int __lockfile(FILE *);
+void __unlockfile(FILE *);
#define LOCK(x) (libc.threads_minus_1 ? (__lock(x),1) : ((void)(x),1))
#define UNLOCK(x) (*(volatile int *)(x)=0)
#define LOCK(x) (libc.threads_minus_1 ? (__lock(x),1) : ((void)(x),1))
#define UNLOCK(x) (*(volatile int *)(x)=0)
-int __rsyscall(int, long, long, long, long, long, long);
+void __synccall(void (*)(void *), void *);
+void __synccall_wait(void);
+int __setxid(int, int, int, int);
extern char **__environ;
#define environ __environ
extern char **__environ;
#define environ __environ