move all compatibility library stuff into libgcompat/

1 files changed, 31 insertions, 0 deletions

diff --git a/libgcompat/pthread.c b/libgcompat/pthread.c
new file mode 100644
index 0000000..b4ea054
--- /dev/null
+++ b/libgcompat/pthread.c
@@ -0,0 +1,31 @@
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+/* "Now we are all sons of bitches." */
+int pthread_setname_np(pthread_t thread, const char *name)
+{
+	char path[PATH_MAX];
+	int fd;
+	/* Cthulhu have mercy */
+	pid_t *my_pid = (pid_t *)((void *)thread + (sizeof(uintptr_t) * 7));
+	size_t len = strlen(name);
+
+	if(len > 15)
+	{
+		return -ERANGE;
+	}
+
+	snprintf(path, PATH_MAX, "/proc/self/tid/%u/name", *my_pid);
+	fd = open(path, O_RDWR);
+	write(fd, name, len + 1);
+	close(fd);
+
+	return 0;
+}