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authorBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2011-05-13 12:16:29 +0200
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2011-05-13 12:16:29 +0200
commit1bfe83b42b5b850c20ed8d35819cced510eaef3c (patch)
tree11cc1a799a7c2ee7a7a3214c60937f0d0489b630 /libc/sysdeps
parentc6057584e07fae9c8b96e6a5af0271b2e2bc85f6 (diff)
epoll: redo cancellation to match master
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libc/sysdeps')
-rw-r--r--libc/sysdeps/linux/common/epoll.c47
1 files changed, 32 insertions, 15 deletions
diff --git a/libc/sysdeps/linux/common/epoll.c b/libc/sysdeps/linux/common/epoll.c
index e3cbb00bf..85b0cfd2b 100644
--- a/libc/sysdeps/linux/common/epoll.c
+++ b/libc/sysdeps/linux/common/epoll.c
@@ -9,7 +9,11 @@
#include <sys/syscall.h>
#include <sys/epoll.h>
-#include <cancel.h>
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+# include <sysdep-cancel.h>
+#else
+# define SINGLE_THREAD_P 1
+#endif
/*
* epoll_create()
@@ -36,12 +40,21 @@ _syscall4(int,epoll_ctl, int, epfd, int, op, int, fd, struct epoll_event *, even
* epoll_wait()
*/
#ifdef __NR_epoll_wait
-static int __NC(epoll_wait)(int epfd, struct epoll_event *events, int maxevents, int timeout)
+extern __typeof(epoll_wait) __libc_epoll_wait;
+int __libc_epoll_wait(int epfd, struct epoll_event *events, int maxevents, int timeout)
{
- return INLINE_SYSCALL(epoll_wait, 4, epfd, events, maxevents, timeout);
+ if (SINGLE_THREAD_P)
+ return INLINE_SYSCALL(epoll_wait, 4, epfd, events, maxevents, timeout);
+# ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ else {
+ int oldtype = LIBC_CANCEL_ASYNC ();
+ int result = INLINE_SYSCALL(epoll_wait, 4, epfd, events, maxevents, timeout);
+ LIBC_CANCEL_RESET (oldtype);
+ return result;
+ }
+# endif
}
-CANCELLABLE_SYSCALL(int, epoll_wait, (int epfd, struct epoll_event *events, int maxevents, int timeout),
- (epfd, events, maxevents, timeout))
+weak_alias(__libc_epoll_wait, epoll_wait)
#endif
/*
@@ -50,16 +63,20 @@ CANCELLABLE_SYSCALL(int, epoll_wait, (int epfd, struct epoll_event *events, int
#ifdef __NR_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)
+extern __typeof(epoll_pwait) __libc_epoll_pwait;
+int __libc_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);
+ if (SINGLE_THREAD_P)
+ return INLINE_SYSCALL(epoll_pwait, 6, epfd, events, maxevents, timeout, set, _NSIG / 8);
+# ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ else {
+ int oldtype = LIBC_CANCEL_ASYNC ();
+ int result = INLINE_SYSCALL(epoll_pwait, 6, epfd, events, maxevents, timeout, set, _NSIG / 8);
+ LIBC_CANCEL_RESET (oldtype);
+ return result;
+ }
+# endif
}
-CANCELLABLE_SYSCALL(int, epoll_pwait, (int epfd, struct epoll_event *events, int maxevents, int timeout,
- const sigset_t *set),
- (epfd, events, maxevents, timeout, set))
+weak_alias(__libc_epoll_pwait, epoll_pwait)
#endif