diff options
Diffstat (limited to 'libc/sysdeps/linux/common/ppoll.c')
| -rw-r--r-- | libc/sysdeps/linux/common/ppoll.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/common/ppoll.c b/libc/sysdeps/linux/common/ppoll.c index 02c8013a5..09b2b1539 100644 --- a/libc/sysdeps/linux/common/ppoll.c +++ b/libc/sysdeps/linux/common/ppoll.c @@ -24,6 +24,12 @@ #include <stddef.h> #if defined __NR_ppoll && defined __UCLIBC_LINUX_SPECIFIC__ +# ifdef __UCLIBC_HAS_THREADS_NATIVE__ +# include <sysdep-cancel.h> +# else +# define SINGLE_THREAD_P 1 +# endif + int ppoll(struct pollfd *fds, nfds_t nfds, const struct timespec *timeout, const sigset_t *sigmask) @@ -35,8 +41,15 @@ ppoll(struct pollfd *fds, nfds_t nfds, const struct timespec *timeout, tval = *timeout; timeout = &tval; } + if (SINGLE_THREAD_P) + return INLINE_SYSCALL(ppoll, 5, fds, nfds, timeout, sigmask, _NSIG / 8); - return INLINE_SYSCALL(ppoll, 5, fds, nfds, timeout, sigmask, _NSIG / 8); +# ifdef __UCLIBC_HAS_THREADS_NATIVE__ + int oldtype = LIBC_CANCEL_ASYNC (); + int result = INLINE_SYSCALL(ppoll, 5, fds, nfds, timeout, sigmask, _NSIG / 8); + LIBC_CANCEL_RESET (oldtype); + return result; +# endif } libc_hidden_def(ppoll) #endif |