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Nginx: hijack `shutdown`. 

In some cases, nginx will call `ngx_shutdown_socket`, so we need to hijack `shutdown`.
This commit is contained in:
whl739 2018-06-21 17:22:59 +08:00
parent 0ed3d39215
commit e036d21d68
1 changed files with 13 additions and 0 deletions
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13
app/nginx-1.11.10/src/event/modules/ngx_ff_module.c
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@ -117,6 +117,8 @@ static ssize_t (*real_readv)(int, const struct iovec *, int);
static ssize_t (*real_read)(int, void *, size_t); static ssize_t (*real_read)(int, void *, size_t);
static ssize_t (*real_write)(int, const void *, size_t); static ssize_t (*real_write)(int, const void *, size_t);
static int (*real_shutdown)(int, int);
static int (*real_ioctl)(int, int, void *); static int (*real_ioctl)(int, int, void *);
static int (*real_gettimeofday)(struct timeval *tv, struct timezone *tz); static int (*real_gettimeofday)(struct timeval *tv, struct timezone *tz);
@ -444,6 +446,17 @@ close(int sockfd)
return SYSCALL(close)(sockfd); return SYSCALL(close)(sockfd);
} }
int
shutdown(int sockfd, int how)
{
if(is_fstack_fd(sockfd)){
sockfd = restore_fstack_fd(sockfd);
return ff_close(sockfd);
}
return SYSCALL(shutdown)(sockfd, how);
}
ssize_t ssize_t
writev(int sockfd, const struct iovec *iov, int iovcnt) writev(int sockfd, const struct iovec *iov, int iovcnt)
{ {