Update wasi-libc to d03829489904d38c624f6de9983190f1e5e7c9c5

Author: jedisct1

lib/libc/include/wasm-wasi-musl/__errno.h

@@ -5,16 +5,11 @@
 extern "C" {
 #endif
 
-#ifdef __cplusplus
-extern thread_local int errno;
-#else
 extern _Thread_local int errno;
-#endif
 
 #define errno errno
 
 #ifdef __cplusplus
 }
 #endif
-
 #endif

lib/libc/include/wasm-wasi-musl/__header_dirent.h

@@ -11,19 +11,26 @@
 #define DT_REG __WASI_FILETYPE_REGULAR_FILE
 #define DT_UNKNOWN __WASI_FILETYPE_UNKNOWN
 
+// DT_SOCK is not supported in WASI Preview 1 (but will be in Preview 2).  We
+// define it regardless so that libc++'s `<filesystem>` implementation builds.
+// The exact value is mostly arbitrary, but chosen so it doesn't conflict with
+// any of the existing `__WASI_FILETYPE_*` flags.  We do not expect any new
+// flags to be added to WASI Preview 1, so that should be sufficient.
+#define DT_SOCK 20
+
 #define IFTODT(x) (__wasilibc_iftodt(x))
 #define DTTOIF(x) (__wasilibc_dttoif(x))
 
-int __wasilibc_iftodt(int x);
-int __wasilibc_dttoif(int x);
-
 #include <__struct_dirent.h>
 #include <__typedef_DIR.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+int __wasilibc_iftodt(int x);
+int __wasilibc_dttoif(int x);
+
 int closedir(DIR *);
 DIR *opendir(const char *);
 DIR *fdopendir(int);

lib/libc/include/wasm-wasi-musl/__header_sys_socket.h

@@ -1,6 +1,7 @@
 #ifndef __wasilibc___header_sys_socket_h
 #define __wasilibc___header_sys_socket_h
 
+#include <__wasi_snapshot.h>
 #include <__struct_msghdr.h>
 #include <__struct_sockaddr.h>
 #include <__struct_sockaddr_storage.h>
@@ -11,9 +12,42 @@
 #define SHUT_WR __WASI_SDFLAGS_WR
 #define SHUT_RDWR (SHUT_RD | SHUT_WR)
 
+#ifdef __wasilibc_use_wasip2
+#define MSG_DONTWAIT  0x0040
+#define MSG_NOSIGNAL  0x4000
+#define MSG_PEEK      0x0002
+#define MSG_WAITALL   0x0100
+#define MSG_TRUNC     0x0020
+
+#define SOL_IP     0
+#define SOL_TCP    6
+#define SOL_UDP    17
+#define SOL_IPV6   41
+
+#define SOMAXCONN 128
+
+#define SO_REUSEADDR 2
+#define SO_ERROR 4
+#define SO_SNDBUF 7
+#define SO_RCVBUF 8
+#define SO_KEEPALIVE 9
+#define SO_ACCEPTCONN 30
+#define SO_PROTOCOL 38
+#define SO_DOMAIN 39
+ 
+#if __LONG_MAX == 0x7fffffff
+#define SO_RCVTIMEO     66
+#define SO_SNDTIMEO     67
+#else
+#define SO_RCVTIMEO     20
+#define SO_SNDTIMEO     21
+#endif
+
+#else // __wasilibc_use_wasip2
 #define MSG_PEEK __WASI_RIFLAGS_RECV_PEEK
 #define MSG_WAITALL __WASI_RIFLAGS_RECV_WAITALL
-#define MSG_TRUNC __WASI_RIFLAGS_RECV_DATA_TRUNCATED
+#define MSG_TRUNC __WASI_ROFLAGS_RECV_DATA_TRUNCATED
+#endif // __wasilibc_use_wasip2
 
 #define SOCK_DGRAM __WASI_FILETYPE_SOCKET_DGRAM
 #define SOCK_STREAM __WASI_FILETYPE_SOCKET_STREAM
@@ -25,9 +59,13 @@
 
 #define SO_TYPE 3
 
-#define AF_UNSPEC 0
-#define AF_INET 1
-#define AF_INET6 2
+#define PF_UNSPEC 0
+#define PF_INET 1
+#define PF_INET6 2
+
+#define AF_UNSPEC PF_UNSPEC
+#define AF_INET PF_INET
+#define AF_INET6 PF_INET6
 #define AF_UNIX 3
 
 #ifdef __cplusplus

lib/libc/include/wasm-wasi-musl/__mode_t.h

@@ -9,7 +9,7 @@
 #define S_IFLNK (0xa000)
 #define S_IFREG (0x8000)
 #define S_IFSOCK (0xc000)
-#define S_IFIFO (0xc000)
+#define S_IFIFO (0x1000)
 
 #define S_ISBLK(m) (((m)&S_IFMT) == S_IFBLK)
 #define S_ISCHR(m) (((m)&S_IFMT) == S_IFCHR)

lib/libc/include/wasm-wasi-musl/__struct_sockaddr.h

@@ -1,9 +1,6 @@
 #ifndef __wasilibc___struct_sockaddr_h
 #define __wasilibc___struct_sockaddr_h
 
-#define __need_STDDEF_H_misc
-#include <stddef.h>
-
 #include <__typedef_sa_family_t.h>
 
 struct sockaddr {

lib/libc/include/wasm-wasi-musl/__struct_sockaddr_in.h

@@ -1,15 +1,12 @@
 #ifndef __wasilibc___struct_sockaddr_in_h
 #define __wasilibc___struct_sockaddr_in_h
 
-#define __need_STDDEF_H_misc
-#include <stddef.h>
-
 #include <__typedef_sa_family_t.h>
 #include <__typedef_in_port_t.h>
 #include <__struct_in_addr.h>
 
 struct sockaddr_in {
-    _Alignas(max_align_t) sa_family_t sin_family;
+    __attribute__((aligned(__BIGGEST_ALIGNMENT__))) sa_family_t sin_family;
     in_port_t sin_port;
     struct in_addr sin_addr;
 };

lib/libc/include/wasm-wasi-musl/__struct_sockaddr_in6.h

@@ -1,15 +1,12 @@
 #ifndef __wasilibc___struct_sockaddr_in6_h
 #define __wasilibc___struct_sockaddr_in6_h
 
-#define __need_STDDEF_H_misc
-#include <stddef.h>
-
 #include <__typedef_sa_family_t.h>
 #include <__typedef_in_port_t.h>
 #include <__struct_in6_addr.h>
 
 struct sockaddr_in6 {
-    _Alignas(max_align_t) sa_family_t sin6_family;
+    __attribute__((aligned(__BIGGEST_ALIGNMENT__))) sa_family_t sin6_family;
     in_port_t sin6_port;
     unsigned sin6_flowinfo;
     struct in6_addr sin6_addr;

lib/libc/include/wasm-wasi-musl/__struct_sockaddr_storage.h

@@ -1,13 +1,10 @@
 #ifndef __wasilibc___struct_sockaddr_storage_h
 #define __wasilibc___struct_sockaddr_storage_h
 
-#define __need_STDDEF_H_misc
-#include <stddef.h>
-
 #include <__typedef_sa_family_t.h>
 
 struct sockaddr_storage {
-    _Alignas(max_align_t) sa_family_t ss_family;
+    __attribute__((aligned(__BIGGEST_ALIGNMENT__))) sa_family_t ss_family;
     char __ss_data[32];
 };
 

lib/libc/include/wasm-wasi-musl/__struct_sockaddr_un.h

@@ -1,13 +1,10 @@
 #ifndef __wasilibc___struct_sockaddr_un_h
 #define __wasilibc___struct_sockaddr_un_h
 
-#define __need_STDDEF_H_misc
-#include <stddef.h>
-
 #include <__typedef_sa_family_t.h>
 
 struct sockaddr_un {
-    _Alignas(max_align_t) sa_family_t sun_family;
+    __attribute__((aligned(__BIGGEST_ALIGNMENT__))) sa_family_t sun_family;
 };
 
 #endif