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gthread: Use pthread_cond_timedwait_monotonic() if available

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Otherwise we have to rely on pthread_cond_timedwait() actually using
the monotonic clock, which might be true or not. On Android at least
it is using the realtime clock, no pthread_condattr_setclock() is available
but instead pthread_cond_timedwait_monotonic() can be used.
This commit is contained in:
Sebastian Dröge
2013-07-04 10:27:02 +02:00
parent a4c352cd99
commit dbdfcb69ce
2 changed files with 27 additions and 0 deletions
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18
configure.ac
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@@ -2383,6 +2383,24 @@ AS_IF([ test x"$have_threads" = xposix], [
AC_DEFINE(HAVE_PTHREAD_CONDATTR_SETCLOCK,1,
[Have function pthread_condattr_setclock])],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING(for pthread_cond_timedwait_monotonic)
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[#include <pthread.h>],
[pthread_cond_timedwait_monotonic(NULL, NULL, NULL)])],
[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_PTHREAD_COND_TIMEDWAIT_MONOTONIC,1,
[Have function pthread_cond_timedwait_monotonic])],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING(for pthread_cond_timedwait_monotonic_np)
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[#include <pthread.h>],
[pthread_cond_timedwait_monotonic_np(NULL, NULL, NULL)])],
[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_PTHREAD_COND_TIMEDWAIT_MONOTONIC_NP,1,
[Have function pthread_cond_timedwait_monotonic_np])],
[AC_MSG_RESULT(no)])
CPPFLAGS="$glib_save_CPPFLAGS"
])