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-rw-r--r--libc/sysdeps/linux/common/epoll.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/libc/sysdeps/linux/common/epoll.c b/libc/sysdeps/linux/common/epoll.c
index 41c4eacc2..e3cbb00bf 100644
--- a/libc/sysdeps/linux/common/epoll.c
+++ b/libc/sysdeps/linux/common/epoll.c
@@ -9,6 +9,7 @@
#include <sys/syscall.h>
#include <sys/epoll.h>
+#include <cancel.h>
/*
* epoll_create()
@@ -35,14 +36,30 @@ _syscall4(int,epoll_ctl, int, epfd, int, op, int, fd, struct epoll_event *, even
* epoll_wait()
*/
#ifdef __NR_epoll_wait
-_syscall4(int, epoll_wait, int, epfd, struct epoll_event *, events, int, maxevents, int, timeout)
-/* TODO: add cancellation for epoll_wait */
+static int __NC(epoll_wait)(int epfd, struct epoll_event *events, int maxevents, int timeout)
+{
+ return INLINE_SYSCALL(epoll_wait, 4, epfd, events, maxevents, timeout);
+}
+CANCELLABLE_SYSCALL(int, epoll_wait, (int epfd, struct epoll_event *events, int maxevents, int timeout),
+ (epfd, events, maxevents, timeout))
#endif
/*
* epoll_pwait()
*/
#ifdef __NR_epoll_pwait
-_syscall5(int, epoll_pwait, int, epfd, struct epoll_event *, events, int, maxevents, int, timeout, __const sigset_t *, ss)
-/* TODO: add cancellation for epoll_pwait */
+# include <signal.h>
+
+# define __NR___syscall_epoll_pwait __NR_epoll_pwait
+static __always_inline _syscall6(int, __syscall_epoll_pwait, int, epfd, struct epoll_event *, events,
+ int, maxevents, int, timeout, const sigset_t *, sigmask, size_t, sigsetsize)
+
+static int __NC(epoll_pwait)(int epfd, struct epoll_event *events, int maxevents, int timeout,
+ const sigset_t *set)
+{
+ return __syscall_epoll_pwait(epfd, events, maxevents, timeout, set, __SYSCALL_SIGSET_T_SIZE);
+}
+CANCELLABLE_SYSCALL(int, epoll_pwait, (int epfd, struct epoll_event *events, int maxevents, int timeout,
+ const sigset_t *set),
+ (epfd, events, maxevents, timeout, set))
#endif