more features

1 files changed, 49 insertions, 0 deletions

diff --git a/src/libmach/pthread.c b/src/libmach/pthread.c
new file mode 100644
index 00000000..46eca4f2
--- /dev/null
+++ b/src/libmach/pthread.c
@@ -0,0 +1,49 @@
+#include <u.h>
+#include <thread_db.h>
+#include <sys/ptrace.h>
+#include <errno.h>
+#include <sys/procfs.h>	/* psaddr_t */
+#include <libc.h>
+#include <mach.h>
+
+static char *tderrstr[] =
+{
+[TD_OK]			"no error",
+[TD_ERR]		"some error",
+[TD_NOTHR]		"no matching thread found",
+[TD_NOSV]		"no matching synchronization handle found",
+[TD_NOLWP]		"no matching light-weight process found",
+[TD_BADPH]		"invalid process handle",
+[TD_BADTH]		"invalid thread handle",
+[TD_BADSH]		"invalid synchronization handle",
+[TD_BADTA]		"invalid thread agent",
+[TD_BADKEY]		"invalid key",
+[TD_NOMSG]		"no event available",
+[TD_NOFPREGS]	"no floating-point register content available",
+[TD_NOLIBTHREAD]	"application not linked with thread library",
+[TD_NOEVENT]	"requested event is not supported",
+[TD_NOEVENT]	"requested event is not supported",
+[TD_NOCAPAB]	"capability not available",
+[TD_DBERR]		"internal debug library error",
+[TD_NOAPLIC]	"operation is not applicable",
+[TD_NOTSD]		"no thread-specific data available",
+[TD_MALLOC]		"out of memory",
+[TD_PARTIALREG]	"not entire register set was read or written",
+[TD_NOXREGS]	"X register set not available for given threads",
+[TD_TLSDEFER]	"thread has not yet allocated TLS for given module",
+[TD_VERSION]	"version mismatch twixt libpthread and libthread_db",
+[TD_NOTLS]		"there is no TLS segment in the given module",
+};
+
+static char*
+terr(int e)
+{
+	static char buf[50];
+
+	if(e < 0 || e >= nelem(tderrstr) || tderrstr[e] == nil){
+		snprint(buf, sizeof buf, "thread err %d", e);
+		return buf;
+	}
+	return tderrstr[e];
+}
+