add fork_for_safety option + beginning of kernel-based keyboard

Signed-off-by: Mattias Andrée <maandree@operamail.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/src/libmdsserver/util.h b/src/libmdsserver/util.h
index 00dfb58..3220adb 100644
--- a/src/libmdsserver/util.h
+++ b/src/libmdsserver/util.h
@@ -21,6 +21,7 @@
 
 #include <stddef.h>
 #include <stdint.h>
+#include <sys/types.h>
 
 
 /**
@@ -113,6 +114,17 @@ char* full_read(int fd);
  */
 int startswith_n(const char* haystack, const char* needle, size_t haystack_n, size_t needle_n) __attribute__((pure));
 
+/**
+ * Wrapper around `waitpid` that never returns on an interruption unless
+ * it is interrupted 100 times within the same second
+ * 
+ * @param   pid  See description of `pid` in the documentation for `waitpid`
+ * @param   pid  See description of `status` in the documentation for `waitpid`
+ * @param   pid  See description of `options` in the documentation for `waitpid`
+ * @return       See the documentation for `waitpid`
+ */
+pid_t uninterruptable_waitpid(pid_t pid, int* restrict status, int options);
+
 
 #endif