From 57e8823548ad6e65d33b2153edeb18fb0edc20e6 Mon Sep 17 00:00:00 2001 From: Austin Foxley Date: Sat, 17 Oct 2009 14:32:36 -0700 Subject: cancellation support for a large amount of the required syscalls Signed-off-by: Austin Foxley --- libc/sysdeps/linux/common/ioctl.c | 30 +++++++++++++++++++++++------- 1 file changed, 23 insertions(+), 7 deletions(-) (limited to 'libc/sysdeps/linux/common/ioctl.c') diff --git a/libc/sysdeps/linux/common/ioctl.c b/libc/sysdeps/linux/common/ioctl.c index 7ac8f16c2..f2f0f539a 100644 --- a/libc/sysdeps/linux/common/ioctl.c +++ b/libc/sysdeps/linux/common/ioctl.c @@ -11,20 +11,36 @@ #include #include +#ifdef __UCLIBC_HAS_THREADS_NATIVE__ +#include +#else +#define SINGLE_THREAD_P 1 +#endif + +libc_hidden_proto(ioctl) #define __NR___syscall_ioctl __NR_ioctl static __always_inline -_syscall3(int, __syscall_ioctl, int, fd, int, request, void *, arg) +_syscall3(int, __syscall_ioctl, int, fd, unsigned long int, request, void *, arg) int ioctl(int fd, unsigned long int request, ...) { - void *arg; - va_list list; + void *arg; + va_list list; + + va_start(list, request); + arg = va_arg(list, void *); + + va_end(list); - va_start(list, request); - arg = va_arg(list, void *); - va_end(list); + if (SINGLE_THREAD_P) + return __syscall_ioctl(fd, request, arg); - return __syscall_ioctl(fd, request, arg); +#ifdef __UCLIBC_HAS_THREADS_NATIVE__ + int oldtype = LIBC_CANCEL_ASYNC (); + int result = __syscall_ioctl(fd, request, arg); + LIBC_CANCEL_RESET (oldtype); + return result; +#endif } libc_hidden_def(ioctl) -- cgit v1.2.3