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Always try native accept4

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This commit is contained in:
topjohnwu 2018-11-26 02:57:34 -05:00
parent 72db5b4fac
commit b01a8cace6
1 changed files with 18 additions and 7 deletions
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25
native/jni/utils/xwrap.cpp
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@ -172,16 +172,27 @@ int xlisten(int sockfd, int backlog) {
return ret;
}
int xaccept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags) {
static int accept4_compat(int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags) {
int fd = accept(sockfd, addr, addrlen);
if (fd == -1) {
PLOGE("accept4");
PLOGE("accept");
} else {
if (flags & SOCK_CLOEXEC)
fcntl(fd, F_SETFD, FD_CLOEXEC);
if (flags & SOCK_NONBLOCK) {
int i = fcntl(fd, F_GETFL);
fcntl(fd, F_SETFL, i | O_NONBLOCK);
}
}
if (flags & SOCK_CLOEXEC)
fcntl(fd, F_SETFD, FD_CLOEXEC);
if (flags & SOCK_NONBLOCK) {
int i = fcntl(fd, F_GETFL);
fcntl(fd, F_SETFL, i | O_NONBLOCK);
return fd;
}
int xaccept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags) {
int fd = (int) syscall(__NR_accept4, sockfd, addr, addrlen, flags);
if (fd == -1) {
if (errno == ENOSYS)
return accept4_compat(sockfd, addr, addrlen, flags);
PLOGE("accept4");
}
return fd;
}