time-util: when formatting usec_t as raw integers use PRIu64

[elogind.git] / src / basic / fd-util.c

diff --git a/src/basic/fd-util.c b/src/basic/fd-util.c
index 9c15b91c312dd5c8a90127cd3a941182f5b0e3c7..13b025f4407ea6d8fe3df72273d2562b78bb42ae 100644 (file)
--- a/src/basic/fd-util.c
+++ b/src/basic/fd-util.c
@@ -186,6 +186,12 @@ int fd_cloexec(int fd, bool cloexec) {
         return 0;
 }
 
+void stdio_unset_cloexec(void) {
+        fd_cloexec(STDIN_FILENO, false);
+        fd_cloexec(STDOUT_FILENO, false);
+        fd_cloexec(STDERR_FILENO, false);
+}
+
 _pure_ static bool fd_in_set(int fd, const int fdset[], unsigned n_fdset) {
         unsigned i;
 
@@ -228,12 +234,9 @@ int close_all_fds(const int except[], unsigned n_except) {
                 return r;
         }
 
-        while ((de = readdir(d))) {
+        FOREACH_DIRENT(de, d, return -errno) {
                 int fd = -1;
 
-                if (hidden_or_backup_file(de->d_name))
-                        continue;
-
                 if (safe_atoi(de->d_name, &fd) < 0)
                         /* Let's better ignore this, just in case */
                         continue;
@@ -359,4 +362,18 @@ bool fdname_is_valid(const char *s) {
 
         return p - s < 256;
 }
+
+int fd_get_path(int fd, char **ret) {
+        char procfs_path[strlen("/proc/self/fd/") + DECIMAL_STR_MAX(int)];
+        int r;
+
+        xsprintf(procfs_path, "/proc/self/fd/%i", fd);
+
+        r = readlink_malloc(procfs_path, ret);
+
+        if (r == -ENOENT) /* If the file doesn't exist the fd is invalid */
+                return -EBADF;
+
+        return r;
+}
 #endif // 0