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gpio: make mraa_gpio_isr_exit block until the interrupt handling thread is terminated.

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Signed-off-by: Bernd Barsuhn <bernd.barsuhn@me.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Bernd Barsuhn
2014-10-29 13:25:38 +01:00
committed by Brendan Le Foll
parent 9235ed178a
commit 2a851d7cc7
1 changed files with 4 additions and 3 deletions
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7
src/gpio/gpio.c
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@@ -300,9 +300,10 @@ mraa_gpio_isr_exit(mraa_gpio_context dev)
// stop isr being useful // stop isr being useful
ret = mraa_gpio_edge_mode(dev, MRAA_GPIO_EDGE_NONE); ret = mraa_gpio_edge_mode(dev, MRAA_GPIO_EDGE_NONE);
if ((dev->thread_id != 0) && if ((dev->thread_id != 0)) {
(pthread_cancel(dev->thread_id) != 0)) { if ((pthread_cancel(dev->thread_id) != 0) || (pthread_join(dev->thread_id, NULL) != 0)) {
ret = MRAA_ERROR_INVALID_HANDLE; ret = MRAA_ERROR_INVALID_HANDLE;
}
} }
// close the filehandle in case it's still open // close the filehandle in case it's still open