update

components/libc/compilers/armlibc/sys/unistd.h

@@ -73,7 +73,11 @@ char *  ttyname     (int desc);
 unsigned int sleep(unsigned int seconds);
 int usleep(useconds_t usec);
 
-uid_t getuid(void);
 pid_t getpid(void);
+pid_t getppid(void);
+uid_t getuid(void);
+uid_t geteuid(void);
+gid_t getgid(void);
+gid_t getegid(void);
 
 #endif /* _SYS_UNISTD_H */

components/libc/compilers/common/unistd.c

@@ -50,14 +50,38 @@ int usleep(useconds_t usec)
 }
 RTM_EXPORT(usleep);
 
+pid_t getpid(void)
+{
+    return 0;
+}
+RTM_EXPORT(getpid);
+
+pid_t getppid(void)
+{
+    return 0;
+}
+RTM_EXPORT(getppid);
+
 uid_t getuid(void)
 {
-    return -1;
+    return 0;
 }
 RTM_EXPORT(getuid);
 
-pid_t getpid(void)
+uid_t geteuid(void)
 {
-    return -1;
+    return 0;
 }
-RTM_EXPORT(getuid);
+RTM_EXPORT(geteuid);
+
+gid_t getgid(void)
+{
+    return 0;
+}
+RTM_EXPORT(getgid);
+
+gid_t getegid(void)
+{
+    return 0;
+}
+RTM_EXPORT(getegid);

components/libc/compilers/dlib/sys/unistd.h

@@ -47,7 +47,11 @@ char *  ttyname     (int desc);
 unsigned int sleep(unsigned int seconds);
 int usleep(useconds_t usec);
 
-uid_t getuid(void);
 pid_t getpid(void);
+pid_t getppid(void);
+uid_t getuid(void);
+uid_t geteuid(void);
+gid_t getgid(void);
+gid_t getegid(void);
 
 #endif /* _SYS_UNISTD_H */