zy1000: switch to pthread

[openocd] / src / jtag / core.c

diff --git a/src/jtag/core.c b/src/jtag/core.c
index 0c222db91e2193c3b72b0b933e87f80f609daa45..68c125707bbbf92bcb7b1f5f2450175d946928cb 100644 (file)
--- a/src/jtag/core.c
+++ b/src/jtag/core.c
@@ -216,7 +216,7 @@ void jtag_tap_add(struct jtag_tap *t)
 }
 
 /* returns a pointer to the n-th device in the scan chain */
-static inline struct jtag_tap *jtag_tap_by_position(unsigned n)
+struct jtag_tap *jtag_tap_by_position(unsigned n)
 {
        struct jtag_tap *t = jtag_all_taps();
 
@@ -871,9 +871,16 @@ static int jtag_reset_callback(enum jtag_event event, void *priv)
        return ERROR_OK;
 }
 
+/* sleep at least us microseconds. When we sleep more than 1000ms we
+ * do an alive sleep, i.e. keep GDB alive. Note that we could starve
+ * GDB if we slept for <1000ms many times.
+ */
 void jtag_sleep(uint32_t us)
 {
-       alive_sleep(us/1000);
+       if (us < 1000)
+               usleep(us);
+       else
+               alive_sleep((us+999)/1000);
 }
 
 /* Maximum number of enabled JTAG devices we expect in the scan chain,