Added fchmod() and fchown()

lib/posix/Makefile.in

@@ -27,6 +27,8 @@ libc_FILES=" \
 	_execv.c \
 	_execve.c \
 	_execvp.c \
+	_fchmod.c \
+	_fchown.c \
 	_fcntl.c \
 	_fork.c \
 	_fpathconf.c \

lib/posix/_fchmod.c

@@ -0,0 +1,14 @@
+#include <lib.h>
+#define fchmod	_fchmod
+#include <sys/stat.h>
+
+PUBLIC int fchmod(fd, mode)
+int fd;
+_mnx_Mode_t mode;
+{
+  message m;
+
+  m.m3_i1 = fd;
+  m.m3_i2 = mode;
+  return(_syscall(FS, FCHMOD, &m));
+}

lib/posix/_fchown.c

@@ -0,0 +1,17 @@
+#include <lib.h>
+#define fchown	_fchown
+#include <string.h>
+#include <unistd.h>
+
+PUBLIC int fchown(fd, owner, grp)
+int fd;
+_mnx_Uid_t owner;
+_mnx_Gid_t grp;
+{
+  message m;
+
+  m.m1_i1 = fd;
+  m.m1_i2 = owner;
+  m.m1_i3 = grp;
+  return(_syscall(FS, FCHOWN, &m));
+}

lib/syscall/Makefile.in

@@ -29,6 +29,8 @@ libc_FILES=" \
 	execv.s \
 	execve.s \
 	execvp.s \
+	fchown.s \
+	fchmod.s \
 	fcntl.s \
 	fork.s \
 	fpathconf.s \

lib/syscall/fchmod.s

@@ -0,0 +1,7 @@
+.sect .text
+.extern	__fchmod
+.define	_fchmod
+.align 2
+
+_fchmod:
+	jmp	__fchmod

lib/syscall/fchown.s

@@ -0,0 +1,7 @@
+.sect .text
+.extern	__fchown
+.define	_fchown
+.align 2
+
+_fchown:
+	jmp	__fchown