make syscall use non-locking mutexes

1 files changed, 24 insertions, 0 deletions

diff --git a/lib/errstr.c b/lib/errstr.c
new file mode 100644
index 0000000..6c4425d
--- /dev/null
+++ b/lib/errstr.c
@@ -0,0 +1,24 @@
+#include "jove.h"
+
+const char*
+errstr(int err)
+{
+    static const char *errstrs[] = {
+        [0] = "OKAY",
+        [EBADOBJ] = "BAD OBJECT",
+        [EOOB] = "OUT OF BOUNDS",
+        [EBADPATH] = "BAD PATH",
+        [ETOOSMALL] = "TOO SMALL",
+        [ETOOBIG] = "TOO BIG",
+        [EBADSIZE] = "BAD SIZE",
+        [ENOMAP] = "NO MAP",
+        [EHASMAP] = "HAS MAP",
+        [EALIGN] = "ALIGNMENT ERROR",
+        [EEXIST] = "ALREADY EXISTS",
+        [EBUSY] = "RESOURCE BUSY"
+    };
+    if(err >= sizeof(errstrs) / sizeof(const char*)) {
+        return "UNKNOWN ERROR";
+    }
+    return errstrs[err];
+}