diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/sysdeps/linux/common/not-cancel.h | 61 |
1 files changed, 58 insertions, 3 deletions
diff --git a/libc/sysdeps/linux/common/not-cancel.h b/libc/sysdeps/linux/common/not-cancel.h index b3484de38..6a4dee4f8 100644 --- a/libc/sysdeps/linux/common/not-cancel.h +++ b/libc/sysdeps/linux/common/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. @@ -18,6 +18,7 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <sys/types.h> #include <sysdep.h> #ifdef NOT_IN_libc @@ -28,6 +29,30 @@ #define open_not_cancel_2(name, flags) \ INLINE_SYSCALL (open, 2, (const char *) (name), (flags)) +#if 0 +/* 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) +#endif + /* Uncancelable close. */ #define close_not_cancel(fd) \ INLINE_SYSCALL (close, 1, fd) @@ -39,10 +64,13 @@ #define read_not_cancel(fd, buf, n) \ INLINE_SYSCALL (read, 3, (fd), (buf), (n)) +#ifdef __LINUXTHREADS_NEW__ /* Uncancelable write. */ #define write_not_cancel(fd, buf, n) \ INLINE_SYSCALL (write, 3, (fd), (buf), (n)) +#endif +#if 0 /* Uncancelable writev. */ #define writev_not_cancel_no_status(fd, iov, n) \ (void) ({ INTERNAL_SYSCALL_DECL (err); \ @@ -51,17 +79,44 @@ /* Uncancelable fcntl. */ #define fcntl_not_cancel(fd, cmd, val) \ __fcntl_nocancel (fd, cmd, val) +#endif +#ifdef __LINUXTHREADS_NEW__ /* Uncancelable waitpid. */ -#ifdef __NR_waitpid +#if 0 /*def __NR_waitpid*/ # define waitpid_not_cancel(pid, stat_loc, options) \ INLINE_SYSCALL (waitpid, 3, pid, stat_loc, options) #else # define waitpid_not_cancel(pid, stat_loc, options) \ INLINE_SYSCALL (wait4, 4, pid, stat_loc, options, NULL) #endif +#endif -#else +/* 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 + +#if 0 +/* Uncancelable sigsuspend. */ +#define sigsuspend_not_cancel(set) \ + __sigsuspend_nocancel (set) +#endif + +#elif !defined NOT_IN_libc #include <cancel.h> #include <fcntl.h> |