1 files changed, 57 insertions, 0 deletions
diff --git a/include/crm/common/io_internal.h b/include/crm/common/io_internal.h
new file mode 100644
index 0000000..a8e1f28
--- /dev/null
+++ b/include/crm/common/io_internal.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2022 the Pacemaker project contributors
+ *
+ * The version control history for this file may have further details.
+ *
+ * This source code is licensed under the GNU Lesser General Public License
+ * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
+ */
+
+#ifndef PCMK__CRM_COMMON_IO_INTERNAL__H
+#  define PCMK__CRM_COMMON_IO_INTERNAL__H
+
+#include <fcntl.h>              // open()
+#include <stdbool.h>            // bool
+#include <unistd.h>             // uid_t, gid_t
+
+int pcmk__real_path(const char *path, char **resolved_path);
+
+char *pcmk__series_filename(const char *directory, const char *series,
+                            int sequence, bool bzip);
+int pcmk__read_series_sequence(const char *directory, const char *series,
+                               unsigned int *seq);
+void pcmk__write_series_sequence(const char *directory, const char *series,
+                                 unsigned int sequence, int max);
+int pcmk__chown_series_sequence(const char *directory, const char *series,
+                                uid_t uid, gid_t gid);
+
+int pcmk__build_path(const char *path_c, mode_t mode);
+char *pcmk__full_path(const char *filename, const char *dirname);
+bool pcmk__daemon_can_write(const char *dir, const char *file);
+void pcmk__sync_directory(const char *name);
+
+int pcmk__file_contents(const char *filename, char **contents);
+int pcmk__write_sync(int fd, const char *contents);
+int pcmk__set_nonblocking(int fd);
+const char *pcmk__get_tmpdir(void);
+
+void pcmk__close_fds_in_child(bool);
+
+/*!
+ * \internal
+ * \brief Open /dev/null to consume next available file descriptor
+ *
+ * Open /dev/null, disregarding the result. This is intended when daemonizing to
+ * be able to null stdin, stdout, and stderr.
+ *
+ * \param[in] flags  O_RDONLY (stdin) or O_WRONLY (stdout and stderr)
+ */
+static inline void
+pcmk__open_devnull(int flags)
+{
+    // Static analysis clutter
+    // cppcheck-suppress leakReturnValNotUsed
+    (void) open("/dev/null", flags);
+}
+
+#endif // PCMK__CRM_COMMON_IO_INTERNAL__H