diff options
| -rwxr-xr-x | configure | 17 | ||||
| -rw-r--r-- | linux-user/strace.list | 9 | ||||
| -rw-r--r-- | linux-user/syscall.c | 45 |
3 files changed, 71 insertions, 0 deletions
@@ -3456,6 +3456,20 @@ if compile_prog "" "" ; then sendfile=yes fi +# check for timerfd support (glibc 2.8 and newer) +timerfd=no +cat > $TMPC << EOF +#include <sys/timerfd.h> + +int main(void) +{ + return(timerfd_create(CLOCK_REALTIME, 0)); +} +EOF +if compile_prog "" "" ; then + timerfd=yes +fi + # Check if tools are available to build documentation. if test "$docs" != "no" ; then if has makeinfo && has pod2man; then @@ -4524,6 +4538,9 @@ fi if test "$sendfile" = "yes" ; then echo "CONFIG_SENDFILE=y" >> $config_host_mak fi +if test "$timerfd" = "yes" ; then + echo "CONFIG_TIMERFD=y" >> $config_host_mak +fi if test "$inotify" = "yes" ; then echo "CONFIG_INOTIFY=y" >> $config_host_mak fi diff --git a/linux-user/strace.list b/linux-user/strace.list index fcb258d348..8de972a6ee 100644 --- a/linux-user/strace.list +++ b/linux-user/strace.list @@ -1404,6 +1404,15 @@ #ifdef TARGET_NR_timer_settime { TARGET_NR_timer_settime, "timer_settime" , NULL, NULL, NULL }, #endif +#ifdef TARGET_NR_timerfd_create +{ TARGET_NR_timerfd_create, "timerfd_create" , NULL, NULL, NULL }, +#endif +#ifdef TARGET_NR_timerfd_gettime +{ TARGET_NR_timerfd_gettime, "timerfd_gettime" , NULL, NULL, NULL }, +#endif +#ifdef TARGET_NR_timerfd_settime +{ TARGET_NR_timerfd_settime, "timerfd_settime" , NULL, NULL, NULL }, +#endif #ifdef TARGET_NR_times { TARGET_NR_times, "times" , NULL, NULL, NULL }, #endif diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 7c108abcf2..44853d090a 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -58,6 +58,7 @@ int __clone2(int (*fn)(void *), void *child_stack_base, #include <sys/shm.h> #include <sys/sem.h> #include <sys/statfs.h> +#include <sys/timerfd.h> #include <utime.h> #include <sys/sysinfo.h> //#include <sys/user.h> @@ -9547,6 +9548,50 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, } #endif +#if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD) + case TARGET_NR_timerfd_create: + ret = get_errno(timerfd_create(arg1, + target_to_host_bitmask(arg2, fcntl_flags_tbl))); + break; +#endif + +#if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD) + case TARGET_NR_timerfd_gettime: + { + struct itimerspec its_curr; + + ret = get_errno(timerfd_gettime(arg1, &its_curr)); + + if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) { + goto efault; + } + } + break; +#endif + +#if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD) + case TARGET_NR_timerfd_settime: + { + struct itimerspec its_new, its_old, *p_new; + + if (arg3) { + if (target_to_host_itimerspec(&its_new, arg3)) { + goto efault; + } + p_new = &its_new; + } else { + p_new = NULL; + } + + ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old)); + + if (arg4 && host_to_target_itimerspec(arg4, &its_old)) { + goto efault; + } + } + break; +#endif + default: unimplemented: gemu_log("qemu: Unsupported syscall: %d\n", num); |