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make F_GETFL return file access mode for !CORE_LOCKING as well

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goldsimon 2017-03-29 20:54:24 +02:00
parent 172dab1289
commit 5b6c654dd1
1 changed files with 18 additions and 7 deletions
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25
src/api/sockets.c
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@ -3171,19 +3171,30 @@ lwip_fcntl(int s, int cmd, int val)
if (NETCONNTYPE_GROUP(netconn_type(sock->conn)) == NETCONN_TCP) {
#if LWIP_TCPIP_CORE_LOCKING
LOCK_TCPIP_CORE();
LWIP_ASSERT("sock->conn->pcb.tcp != NULL", sock->conn->pcb.tcp != NULL);
if(!(sock->conn->pcb.tcp->flags & TF_RXCLOSED)) {
op_mode |= O_RDONLY;
}
if (!(sock->conn->pcb.tcp->flags & TF_FIN)) {
op_mode |= O_WRONLY;
#else
SYS_ARCH_DECL_PROTECT(lev);
/* the proper thing to do here would be to get into the tcpip_thread,
but locking should be OK as well since we only *read* some flags */
SYS_ARCH_PROTECT(lev);
#endif
if (sock->conn && sock->conn->pcb.tcp) {
if(!(sock->conn->pcb.tcp->flags & TF_RXCLOSED)) {
op_mode |= O_RDONLY;
}
if (!(sock->conn->pcb.tcp->flags & TF_FIN)) {
op_mode |= O_WRONLY;
}
}
#if LWIP_TCPIP_CORE_LOCKING
UNLOCK_TCPIP_CORE();
#endif /* !LWIP_TCPIP_CORE_LOCKING */
#else
SYS_ARCH_UNPROTECT(lev);
#endif
} else {
op_mode |= O_RDWR;
}
/* ensure O_RDWR for (O_RDONLY|O_WRONLY) != O_RDWR cases */
ret |= (op_mode == (O_RDONLY|O_WRONLY)) ? O_RDWR : op_mode;
break;