6 files changed, 45 insertions, 0 deletions
diff --git a/src/user/lib/include/sys/resource.h b/src/user/lib/include/sys/resource.h
new file mode 100644
index 0000000..4582ce0
--- /dev/null
+++ b/src/user/lib/include/sys/resource.h
@@ -0,0 +1,2 @@
+#pragma once
+struct rusage {};
diff --git a/src/user/lib/include/sys/stat.h b/src/user/lib/include/sys/stat.h
index 9b9523c..26c8323 100644
--- a/src/user/lib/include/sys/stat.h
+++ b/src/user/lib/include/sys/stat.h
@@ -1,4 +1,5 @@
 #pragma once
+#include <bits/panic.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <time.h> // struct timespec
@@ -33,6 +34,9 @@ struct stat {
 #define S_IFDIR 0040000
 #define S_IFCHR 0020000
 #define S_IFIFO 0010000
+#define S_ISUID 04000
+#define S_ISGID 02000
+#define S_ISVTX 01000
 
 /* inode(7) */
 #define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
@@ -49,6 +53,12 @@ static inline int fstat(int fd, struct stat *sb) {
 	return -1;
 }
 
+static inline int stat(const char *restrict path, struct stat *restrict sb) {
+	(void)path; (void)sb;
+	errno = ENOSYS;
+	return -1;
+}
+
 static inline int lstat(const char *restrict path, struct stat *restrict sb) {
 	(void)path; (void)sb;
 	errno = ENOSYS;
@@ -56,6 +66,12 @@ static inline int lstat(const char *restrict path, struct stat *restrict sb) {
 }
 
 int mkdir(const char *path, mode_t mode);
+
+static inline mode_t umask(mode_t mask) {
+	(void)mask;
+	__libc_panic("unimplemented");
+}
+
 static inline int chmod(const char *path, mode_t mode) {
 	(void)path; (void)mode;
 	errno = ENOSYS;
diff --git a/src/user/lib/include/sys/time.h b/src/user/lib/include/sys/time.h
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/user/lib/include/sys/time.h
diff --git a/src/user/lib/include/sys/times.h b/src/user/lib/include/sys/times.h
new file mode 100644
index 0000000..4a8d3ef
--- /dev/null
+++ b/src/user/lib/include/sys/times.h
@@ -0,0 +1,13 @@
+#pragma once
+#include <bits/panic.h>
+
+struct tms {
+	clock_t tms_utime;
+	clock_t tms_stime;
+	clock_t tms_cutime;
+	clock_t tms_cstime;
+};
+
+static inline clock_t times(struct tms *buf) {
+	__libc_panic("unimplemented");
+}
diff --git a/src/user/lib/include/sys/types.h b/src/user/lib/include/sys/types.h
index 3b04988..faf656a 100644
--- a/src/user/lib/include/sys/types.h
+++ b/src/user/lib/include/sys/types.h
@@ -15,3 +15,4 @@ typedef int uid_t;
 typedef int gid_t;
 typedef int blksize_t;
 typedef int blkcnt_t;
+typedef int pid_t;
diff --git a/src/user/lib/include/sys/wait.h b/src/user/lib/include/sys/wait.h
index e69de29..c71418c 100644
--- a/src/user/lib/include/sys/wait.h
+++ b/src/user/lib/include/sys/wait.h
@@ -0,0 +1,13 @@
+#pragma once
+#include <sys/types.h>
+
+#define WIFSTOPPED(x) 0
+#define WEXITSTATUS(x) 0
+#define WIFEXITED(x) 0
+#define WSTOPSIG(x) 0
+#define WTERMSIG(x) 0
+
+#define WNOHANG 0
+#define WUNTRACED 0
+
+pid_t wait3(int *wstatus, int opts, struct rusage *rusage);