diff options
Diffstat (limited to 'libc/sysdeps/linux/common/poll.c')
| -rw-r--r-- | libc/sysdeps/linux/common/poll.c | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/libc/sysdeps/linux/common/poll.c b/libc/sysdeps/linux/common/poll.c index 61c6d18ea..7ce1446f5 100644 --- a/libc/sysdeps/linux/common/poll.c +++ b/libc/sysdeps/linux/common/poll.c @@ -20,31 +20,33 @@ #include "syscalls.h" #include <sys/poll.h> +#ifdef __UCLIBC_HAS_THREADS_NATIVE__ +#include <sysdep-cancel.h> +#else +#define SINGLE_THREAD_P 1 +#endif + libc_hidden_proto(poll) #ifdef __NR_poll -# ifdef __UCLIBC__HAS_THREADS__ -# include <sysdep-cancel.h> - -/* The real implementation. */ -int poll (struct pollfd *fds, nfsd_t nfds, int timeout) -{ - if (SINGLE_THREAD_P) - return INLINE_SYSCALL (poll, 3, fds, nfds, timeout); - - int oldtype = LIBC_CANCEL_ASYNC (); - int result = INLINE_SYSCALL (poll, 3, fds, nfds, timeout); +#define __NR___syscall_poll __NR_poll +static inline _syscall3(int, __syscall_poll, struct pollfd *, fds, + unsigned long int, nfds, int, timeout); - LIBC_CANCEL_RESET (oldtype); - - return result; +int poll(struct pollfd *fds, nfds_t nfds, int timeout) +{ + if (SINGLE_THREAD_P) + return __syscall_poll(fds, nfds, timeout); + +#ifdef __UCLIBC_HAS_THREADS_NATIVE__ + int oldtype = LIBC_CANCEL_ASYNC (); + int result = __syscall_poll(fds, nfds, timeout); + LIBC_CANCEL_RESET (oldtype); + return result; +#endif } -# else -_syscall3(int, poll, struct pollfd *, fds, - unsigned long int, nfds, int, timeout); -# endif -#else +#else /* !__NR_poll */ #include <alloca.h> #include <sys/types.h> |