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author | Peter Wu <lekensteyn@gmail.com> | 2013-04-27 21:33:19 +0200 |
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committer | Peter Wu <lekensteyn@gmail.com> | 2013-04-27 21:33:19 +0200 |
commit | bfcf1487ae3e96b78162b160b0b37fe471259900 (patch) | |
tree | cddcb9c594084dd62336495ceefdf537f7d9b50c | |
parent | af94dbf89bbca2c9beb5250e70f50d0cefd8136c (diff) | |
download | ltunify-bfcf1487ae3e96b78162b160b0b37fe471259900.tar.gz |
read-dev-usbmon: retry ioctl when interrupted
Allows read-dev-usbmon to function after suspend/resume.
-rw-r--r-- | read-dev-usbmon.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/read-dev-usbmon.c b/read-dev-usbmon.c index 149db45..a20ed89 100644 --- a/read-dev-usbmon.c +++ b/read-dev-usbmon.c @@ -26,6 +26,7 @@ #include <string.h> #include <stdint.h> #include <stdlib.h> /* getenv */ +#include <errno.h> typedef uint16_t u16; typedef int32_t s32; @@ -104,6 +105,9 @@ int main(int argc, char ** argv) { for (;;) { memset(&data, 0xCC, sizeof data); // for debugging purposes r = ioctl(fd, MON_IOCX_GET, &event); + if (r == -1 && errno == EINTR) { + continue; + } if (r < 0) { perror("ioctl"); break; |