diff options
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/pthread/not-cancel.h')
| -rw-r--r-- | libpthread/linuxthreads/sysdeps/pthread/not-cancel.h | 65 |
1 files changed, 58 insertions, 7 deletions
diff --git a/libpthread/linuxthreads/sysdeps/pthread/not-cancel.h b/libpthread/linuxthreads/sysdeps/pthread/not-cancel.h index 4373917df..bbdb0739c 100644 --- a/libpthread/linuxthreads/sysdeps/pthread/not-cancel.h +++ b/libpthread/linuxthreads/sysdeps/pthread/not-cancel.h @@ -1,5 +1,5 @@ /* Uncancelable versions of cancelable interfaces. Linux version. - Copyright (C) 2003 Free Software Foundation, Inc. + Copyright (C) 2003, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. @@ -14,19 +14,48 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ -#include <sys/syscall.h> -#undef INLINE_SYSCALL -#define INLINE_SYSCALL(func, numargs, args...) syscall(__NR_ ## func, args) +#include <sys/types.h> +#include <sysdep.h> /* Uncancelable open. */ +#if defined __NR_openat && !defined __NR_open +#define open_not_cancel(name, flags, mode) \ + INLINE_SYSCALL (openat, 4, AT_FDCWD, (const char *) (name), \ + (flags), (mode)) +#define open_not_cancel_2(name, flags) \ + INLINE_SYSCALL (openat, 3, AT_FDCWD, (const char *) (name), \ + (flags)) +#else #define open_not_cancel(name, flags, mode) \ INLINE_SYSCALL (open, 3, (const char *) (name), (flags), (mode)) #define open_not_cancel_2(name, flags) \ INLINE_SYSCALL (open, 2, (const char *) (name), (flags)) +#endif + +/* Uncancelable openat. */ +#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt +extern int __openat_nocancel (int fd, const char *fname, int oflag, + mode_t mode) attribute_hidden; +extern int __openat64_nocancel (int fd, const char *fname, int oflag, + mode_t mode) attribute_hidden; +#else +# define __openat_nocancel(fd, fname, oflag, mode) \ + openat (fd, fname, oflag, mode) +# define __openat64_nocancel(fd, fname, oflag, mode) \ + openat64 (fd, fname, oflag, mode) +#endif + +#define openat_not_cancel(fd, fname, oflag, mode) \ + __openat_nocancel (fd, fname, oflag, mode) +#define openat_not_cancel_3(fd, fname, oflag) \ + __openat_nocancel (fd, fname, oflag, 0) +#define openat64_not_cancel(fd, fname, oflag, mode) \ + __openat64_nocancel (fd, fname, oflag, mode) +#define openat64_not_cancel_3(fd, fname, oflag) \ + __openat64_nocancel (fd, fname, oflag, 0) /* Uncancelable close. */ #define close_not_cancel(fd) \ @@ -60,3 +89,25 @@ # define waitpid_not_cancel(pid, stat_loc, options) \ INLINE_SYSCALL (wait4, 4, pid, stat_loc, options, NULL) #endif + +/* Uncancelable pause. */ +#ifdef __NR_pause +# define pause_not_cancel() \ + INLINE_SYSCALL (pause, 0) +#else +# define pause_not_cancel() \ + __pause_nocancel () +#endif + +/* Uncancelable nanosleep. */ +#ifdef __NR_nanosleep +# define nanosleep_not_cancel(requested_time, remaining) \ + INLINE_SYSCALL (nanosleep, 2, requested_time, remaining) +#else +# define nanosleep_not_cancel(requested_time, remaining) \ + __nanosleep_nocancel (requested_time, remaining) +#endif + +/* Uncancelable sigsuspend. */ +#define sigsuspend_not_cancel(set) \ + __sigsuspend_nocancel (set) |