cosmopolitan/libc/intrin/cxaatexit.internal.h
2023-04-27 05:44:32 -07:00

37 lines
982 B
C

#ifndef COSMOPOLITAN_LIBC_RUNTIME_CXAATEXIT_H_
#define COSMOPOLITAN_LIBC_RUNTIME_CXAATEXIT_H_
#include "libc/intrin/nopl.internal.h"
#include "libc/stdio/stdio.h"
#include "libc/thread/tls.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
struct CxaAtexitBlocks {
struct CxaAtexitBlock {
unsigned mask;
struct CxaAtexitBlock *next;
struct CxaAtexit {
void *fp;
void *arg;
void *pred;
} p[ATEXIT_MAX];
} * p, root;
};
extern struct CxaAtexitBlocks __cxa_blocks;
void __cxa_lock(void);
void __cxa_unlock(void);
void __cxa_printexits(FILE *, void *);
#ifdef _NOPL0
#define __cxa_lock() _NOPL0("__threadcalls", __cxa_lock)
#define __cxa_unlock() _NOPL0("__threadcalls", __cxa_unlock)
#else
#define __cxa_lock() (__threaded ? __cxa_lock() : 0)
#define __cxa_unlock() (__threaded ? __cxa_unlock() : 0)
#endif
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_RUNTIME_CXAATEXIT_H_ */