X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Futil%2Fos_file.h;h=cf0dc2075952c23a942b33b8b00895947755c060;hb=4b290b759a8c85c7d493f1ddd7d38b322bbe1276;hp=1972beba32b11ae2ab04a0b2f5f8a55642df9898;hpb=f76cbc7901f7d500f5a4f74aedfd29970d1efd00;p=mesa.git

diff --git a/src/util/os_file.h b/src/util/os_file.h
index 1972beba32b..cf0dc207595 100644
--- a/src/util/os_file.h
+++ b/src/util/os_file.h
@@ -24,18 +24,30 @@ extern "C" {
 FILE *
 os_file_create_unique(const char *filename, int filemode);
 
+/*
+ * Duplicate a file descriptor, making sure not to keep it open after an exec*()
+ */
+int
+os_dupfd_cloexec(int fd);
+
 /*
  * Read a file.
  * Returns a char* that the caller must free(), or NULL and sets errno.
+ * If size is not null and no error occured it's set to the size of the
+ * file.
  */
 char *
-os_read_file(const char *filename);
+os_read_file(const char *filename, size_t *size);
 
 /*
- * Returns true if the two file descriptors passed in can be determined to
- * reference the same file description, false otherwise
+ * Try to determine if two file descriptors reference the same file description
+ *
+ * Return values:
+ * - 0:   They reference the same file description
+ * - > 0: They do not reference the same file description
+ * - < 0: Unable to determine whether they reference the same file description
  */
-bool
+int
 os_same_file_description(int fd1, int fd2);
 
 #ifdef __cplusplus