diff options
Diffstat (limited to 'rts/posix/Ticker.c')
| -rw-r--r-- | rts/posix/Ticker.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/rts/posix/Ticker.c b/rts/posix/Ticker.c index 35387cdff4..4adefdf9aa 100644 --- a/rts/posix/Ticker.c +++ b/rts/posix/Ticker.c @@ -65,13 +65,17 @@ * On Linux we can use timerfd_* (introduced in Linux * 2.6.25) and a thread instead of alarm signals. It avoids the risk of * interrupting syscalls (see #10840) and the risk of being accidentally - * modified in user code using signals. + * modified in user code using signals. NetBSD has also added timerfd + * support since version 10. + * + * For older version of linux/netbsd without timerfd we fall back to the + * pthread based implementation. */ -#if defined(linux_HOST_OS) && HAVE_SYS_TIMERFD_H -#define USE_PTHREAD_FOR_ITIMER +#if HAVE_SYS_TIMERFD_H +#define USE_TIMERFD_FOR_ITIMER #endif -#if defined(freebsd_HOST_OS) +#if defined(linux_HOST_OS) #define USE_PTHREAD_FOR_ITIMER #endif @@ -79,6 +83,10 @@ #define USE_PTHREAD_FOR_ITIMER #endif +#if defined(freebsd_HOST_OS) +#define USE_PTHREAD_FOR_ITIMER +#endif + #if defined(solaris2_HOST_OS) /* USE_TIMER_CREATE is usually disabled for Solaris. In fact it is supported well on this OS, but requires additional privilege. When @@ -98,7 +106,9 @@ ghc-stage2: timer_create: Not owner #endif /* solaris2_HOST_OS */ // Select the variant to use -#if defined(USE_PTHREAD_FOR_ITIMER) +#if defined(USE_TIMERFD_FOR_ITIMER) +#include "ticker/TimerFd.c" +#elif defined(USE_PTHREAD_FOR_ITIMER) #include "ticker/Pthread.c" #elif defined(USE_TIMER_CREATE) #include "ticker/TimerCreate.c" |