C++程序  |  26行  |  661 B

#ifndef _STRACE_TESTS_ACCEPT_COMPAT_H_
#define _STRACE_TESTS_ACCEPT_COMPAT_H_

#include <unistd.h>
#include <sys/socket.h>
#include <asm/unistd.h>

#if defined __NR_socketcall && defined __sparc__
/*
 * Work around the fact that
 * - glibc >= 2.26 uses accept4 syscall to implement accept() call on sparc;
 * - accept syscall had not been wired up on sparc until v4.4-rc8~4^2~1.
 */
static inline int
do_accept(int sockfd, struct sockaddr *addr, socklen_t *addrlen)
{
	const long args[] = { sockfd, (long) addr, (long) addrlen };

	return syscall(__NR_socketcall, 5, args);
}
#else
# define do_accept accept
#endif

#endif /* !_STRACE_TESTS_ACCEPT_COMPAT_H_ */