add useless type fd_mask. it's in the reserved namespace.

[musl] / include / unistd.h

diff --git a/include/unistd.h b/include/unistd.h
index a356111..05180de 100644 (file)
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -141,6 +141,7 @@ void swab(const void *, void *, ssize_t);
 long gethostid(void);
 int nice(int);
 void sync(void);
+int getdtablesize(void);
 #endif
 
 #ifdef _GNU_SOURCE
@@ -153,7 +154,9 @@ int getpagesize(void);
 int sethostname(const char *, size_t);
 int usleep(unsigned);
 unsigned ualarm(unsigned, unsigned);
-int setgroups(int, const gid_t []);
+int setgroups(size_t, const gid_t []);
+int setresuid(uid_t, uid_t, uid_t);
+int setresgid(gid_t, gid_t, gid_t);
 #endif
 
 #define _XOPEN_VERSION          700