package/network/services/hostapd/patches/800-usleep.patch

   1 From 39042d7f7c4997af55474ebe4513c81f00732837 Mon Sep 17 00:00:00 2001
   2 From: Rosen Penev <rosenp@gmail.com>
   3 Date: Sat, 24 Aug 2019 15:01:16 -0700
   4 Subject: os_sleep: Use nanosleep for POSIX versions 2008 and higher
   5
   6 uClibc-ng optionally disabled deprecated POSIX functions like usleep,
   7 causing compilation failures. This switches to nanosleep while retaining
   8 support for older libcs that do not support nanosleep.
   9
  10 Signed-off-by: Rosen Penev <rosenp@gmail.com>
  11 ---
  12  src/utils/os_internal.c | 6 ++++++
  13  src/utils/os_unix.c     | 6 ++++++
  14  2 files changed, 12 insertions(+)
  15
  16 --- a/src/utils/os_internal.c
  17 +++ b/src/utils/os_internal.c
  18 @@ -25,10 +25,16 @@
  19
  20  void os_sleep(os_time_t sec, os_time_t usec)
  21  {
  22 +#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200809L)
  23 +       const struct timespec req = { sec, usec * 1000 };
  24 +
  25 +       nanosleep(&req, NULL);
  26 +#else
  27         if (sec)
  28                 sleep(sec);
  29         if (usec)
  30                 usleep(usec);
  31 +#endif
  32  }
  33
  34
  35 --- a/src/utils/os_unix.c
  36 +++ b/src/utils/os_unix.c
  37 @@ -50,10 +50,16 @@ struct os_alloc_trace {
  38
  39  void os_sleep(os_time_t sec, os_time_t usec)
  40  {
  41 +#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200809L)
  42 +       const struct timespec req = { sec, usec * 1000 };
  43 +
  44 +       nanosleep(&req, NULL);
  45 +#else
  46         if (sec)
  47                 sleep(sec);
  48         if (usec)
  49                 usleep(usec);
  50 +#endif
  51  }
  52
  53