diff options
Diffstat (limited to 'qemu/util/qemu-thread-posix.c')
| -rw-r--r-- | qemu/util/qemu-thread-posix.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/qemu/util/qemu-thread-posix.c b/qemu/util/qemu-thread-posix.c index ba67cec62..74a3023f3 100644 --- a/qemu/util/qemu-thread-posix.c +++ b/qemu/util/qemu-thread-posix.c @@ -10,16 +10,7 @@ * See the COPYING file in the top-level directory. * */ -#include <stdlib.h> -#include <stdio.h> -#include <errno.h> -#include <time.h> -#include <signal.h> -#include <stdint.h> -#include <string.h> -#include <limits.h> -#include <unistd.h> -#include <sys/time.h> +#include "qemu/osdep.h" #ifdef __linux__ #include <sys/syscall.h> #include <linux/futex.h> @@ -298,7 +289,16 @@ static inline void futex_wake(QemuEvent *ev, int n) static inline void futex_wait(QemuEvent *ev, unsigned val) { - futex(ev, FUTEX_WAIT, (int) val, NULL, NULL, 0); + while (futex(ev, FUTEX_WAIT, (int) val, NULL, NULL, 0)) { + switch (errno) { + case EWOULDBLOCK: + return; + case EINTR: + break; /* get out of switch and retry */ + default: + abort(); + } + } } #else static inline void futex_wake(QemuEvent *ev, int n) @@ -389,7 +389,7 @@ void qemu_event_wait(QemuEvent *ev) /* * Leave the event reset and tell qemu_event_set that there * are waiters. No need to retry, because there cannot be - * a concurent busy->free transition. After the CAS, the + * a concurrent busy->free transition. After the CAS, the * event will be either set or busy. */ if (atomic_cmpxchg(&ev->value, EV_FREE, EV_BUSY) == EV_SET) { |