Add Socket Libraries.

[mirror_edk2.git] / StdLib / Include / unistd.h

diff --git a/StdLib/Include/unistd.h b/StdLib/Include/unistd.h
index fc8d7381b760864d33e6a5eb1a5893a9578f14da..df78690525139b7076bc319b293517a846eedd39 100644 (file)
--- a/StdLib/Include/unistd.h
+++ b/StdLib/Include/unistd.h
@@ -27,8 +27,17 @@
 \r
 \r
 __BEGIN_DECLS\r
+int             dup(int);\r
 int             rename(const char *, const char *);\r
 \r
+/* Functions implemented for compatibility. */\r
+int             getopt(int, char * const [], const char *);\r
+extern   char  *optarg;     /* getopt(3) external variables */\r
+extern   int    optind;\r
+pid_t           getpgrp(void);\r
+pid_t           tcgetpgrp(int);\r
+char           *getpass(const char *);\r
+\r
 // Networking\r
 long            gethostid(void);\r
 int             gethostname(char *, size_t);\r
@@ -37,15 +46,20 @@ int             setdomainname(const char *, size_t);
 int             sethostid(long);\r
 int             sethostname(const char *, size_t);\r
 \r
+/*  Stub functions implemented for porting ease.\r
+    These functions always fail or return NULL.\r
+*/\r
+__aconst char  *getlogin(void);\r
+pid_t           fork(void);\r
+uid_t           getuid(void);\r
+\r
 // For Future implementation\r
-__dead   void   _exit(int) __attribute__((__noreturn__));\r
 ssize_t         pread(int, void *, size_t, off_t);\r
 ssize_t         pwrite(int, const void *, size_t, off_t);\r
 int             syscall(int, ...);\r
-int             dup(int);\r
-pid_t           fork(void);\r
 \r
-// The following *nix functions are not implemented\r
+#if 0   // The following functions are not implemented\r
+__dead   void   _exit(int) __attribute__((__noreturn__));\r
 unsigned int    alarm(unsigned int);\r
 int             chown(const char *, uid_t, gid_t);\r
 size_t          confstr(int, char *, size_t);\r
@@ -60,11 +74,8 @@ gid_t           getegid(void);
 uid_t           geteuid(void);\r
 gid_t           getgid(void);\r
 int             getgroups(int, gid_t []);\r
-__aconst char  *getlogin(void);\r
-pid_t           getpgrp(void);\r
 pid_t           getpid(void);\r
 pid_t           getppid(void);\r
-uid_t           getuid(void);\r
 int             link(const char *, const char *);\r
 long            pathconf(const char *, int);\r
 int             pause(void);\r
@@ -75,18 +86,14 @@ pid_t           setsid(void);
 int             setuid(uid_t);\r
 unsigned int    sleep(unsigned int);\r
 long            sysconf(int);\r
-pid_t           tcgetpgrp(int);\r
+\r
 int             tcsetpgrp(int, pid_t);\r
 __aconst char  *ttyname(int);\r
 \r
-int             getopt(int, char * const [], const char *);\r
-\r
-extern   char  *optarg;     /* getopt(3) external variables */\r
 extern   int    opterr;\r
-extern   int    optind;\r
 extern   int    optopt;\r
-extern   int    optreset;   /* getopt(3) external variable */\r
-extern   char  *suboptarg;  /* getsubopt(3) external variable */\r
+extern   int    optreset;\r
+extern   char  *suboptarg;\r
 \r
 int             setegid(gid_t);\r
 int             seteuid(uid_t);\r
@@ -97,7 +104,6 @@ int             chroot(const char *);
 int             nice(int);\r
 __aconst char *crypt(const char *, const char *);\r
 int             encrypt(char *, int);\r
-char           *getpass(const char *);\r
 pid_t           getsid(pid_t);\r
 \r
 #ifndef intptr_t\r
@@ -164,6 +170,7 @@ int             undelete(const char *);
 int             rcmd_af(char **, int, const char *, const char *, const char *, int *, int);\r
 int             rresvport_af(int *, int);\r
 int             iruserok_sa(const void *, int, int, const char *, const char *);\r
+#endif  /* Unimplemented functions. */\r
 \r
 __END_DECLS\r
 \r