posixcompat: added stubs for fchown,fchmod,mmap,munmap.

Also fixed stat() to be able to get function pointer to it.

Signed-off-by: Simon Gerber <simon.gerber@inf.ethz.ch>

diff --git a/include/sys/stat.h b/include/sys/stat.h
index 44079e7..663e17b 100644 (file)
--- a/include/sys/stat.h
+++ b/include/sys/stat.h
@@ -68,10 +68,13 @@ struct stat {
 __BEGIN_DECLS
 mode_t umask(mode_t mask);
 int chmod(const char *path, mode_t mode);
+int fchmod(int fd, mode_t mode);
 int mkdir(const char *pathname, int mode);
 int mkfifo(const char *pathname, mode_t mode);
 int __stat(const char *pathname, struct stat *buf);
-#define stat(x,y) __stat(x,y)
+static inline int stat(const char *pathname, struct stat *buf) {
+    return __stat(pathname, buf);
+}
 int fstat(int fd, struct stat*buf);
 int lstat(const char *path, struct stat *buf);
 __END_DECLS

diff --git a/include/unistd.h b/include/unistd.h
index 1a7a77e..db44e50 100644 (file)
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -217,6 +217,7 @@ int          access(const char*pathname,int mode);
 unsigned int alarm(unsigned int seconds);
 int          chdir(const char*pathname);
 int          chown(const char *path, uid_t owner, gid_t group);
+int          fchown(int fd, uid_t owner, gid_t group);
 int          close(int fd);
 int          dup(int oldfd);
 int          dup2(int oldfd, int newfd);

diff --git a/lib/posixcompat/Hakefile b/lib/posixcompat/Hakefile
index 784f5ff..009f8be 100644 (file)
--- a/lib/posixcompat/Hakefile
+++ b/lib/posixcompat/Hakefile
@@ -44,6 +44,7 @@
                              "kill.c",
                              "link.c",
                              "lseek.c",
+                             "mmap.c",
                              "mkdir.c",
                              "open.c",
                              "pipe.c",

diff --git a/lib/posixcompat/chmod.c b/lib/posixcompat/chmod.c
index 9c53a5a..2dd5306 100644 (file)
--- a/lib/posixcompat/chmod.c
+++ b/lib/posixcompat/chmod.c
@@ -18,9 +18,22 @@ int chmod(const char *path, mode_t mode)
     return 0;
 }
 
+int fchmod(int fd, mode_t mode)
+{
+    POSIXCOMPAT_DEBUG("Warning: fchmod(%d, %o) ignored\n", fd, mode);
+    return 0;
+}
+
 int chown(const char *path, uid_t owner, gid_t group)
 {
     POSIXCOMPAT_DEBUG("Warning: chown(\"%s\", %d, %d) ignored\n",
                       path, owner, group);
     return 0;
 }
+
+int fchown(int fd, uid_t owner, gid_t group)
+{
+    POSIXCOMPAT_DEBUG("Warning: chown(%d, %d, %d) ignored\n",
+                      fd, owner, group);
+    return 0;
+}

diff --git a/lib/posixcompat/mmap.c b/lib/posixcompat/mmap.c
new file mode 100644 (file)
index 0000000..c9f7a61
--- /dev/null
+++ b/lib/posixcompat/mmap.c
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2015, ETH Zurich.
+ * All rights reserved.
+ *
+ * This file is distributed under the terms in the attached LICENSE file.
+ * If you do not find this file, copies can be found by writing to:
+ * ETH Zurich D-INFK, Universitaetstr. 6, CH-8092 Zurich. Attn: Systems Group.
+ */
+
+#include <sys/mman.h>
+#include <barrelfish/barrelfish.h>
+#include "posixcompat.h"
+
+void *mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset)
+{
+    POSIXCOMPAT_DEBUG("Warning: mmap(%p, %zx, %d, %d, %d, %zu) ignored\n"
+            addr, length, prot, flags, fd, offset);
+    USER_PANIC("mmap NYI!");
+    return NULL;
+}
+
+int munmap(void *addr, size_t length)
+{
+    POSIXCOMPAT_DEBUG("Warning: munmap(%p, %zx) ignored\n"
+            addr, length);
+    USER_PANIC("mmap NYI!");
+    return -1;
+}