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Update.

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More cancellation handling fixups.
	* sysdeps/unix/sysv/linux/not-cancel.h: Add waitpid_not_cancel.
	* sysdeps/generic/not-cancel.h: Likewise.
	* catgets/open_catalog.c: Use not-cancelable syscalls.
	* time/Makefile (CFLAGS-getdate.c): Add -fexceptions.
	* sysdeps/unix/sysv/linux/llseek.c: Must not be cancelable.
	* sysdeps/unix/syscalls.list: Don't mark lseek as cancelable.
	* dlfcn/dlfcn.h: Mark dlopen with __THROW again.
	* io/fcntl.h: Don't mark posix_fallocate with __THROW.
	* libio/fileops.c: Use not-cancelable syscalls for fclose.
	* libio/iopopen.c: Use no-cancelable syscalls.
	* libio/stdio.h: Mark popen and pclose with __THROW again.
	* misc/Makefile (CFLAGS-syslog.c): Add -fexceptions.
	* misc/syslog.c: Fix locking and cancellation cleanup handling.
	* posix/unistd.h: Mark ttyname and ttyname_r again with __THROW.
	* stdio-common/Makefile (CFLAGS-tmpfile.c, CFLAGS-tmpfile64.c,
	CFLAGS-tempname.c): Add -fexceptions.
	* stdlib/Makefile (CFLAGS-mkstemp.c): Add -fexceptions.
	* string/string.h: Mark strerror and strerror_r with _THROW again.
	* sysdeps/generic/unwind.inc: New file.  Copied from gcc.
	* sysdeps/generic/unwind-dw2.c: Update from gcc version.  Remove
	#ifs since we now need all the code compiled.
	* sysdeps/posix/spawni.c: Use close_not_cancel instead of close.
	* sysdeps/unix/closedir.c: Use not-cancelable syscalls.
	* sysdeps/unix/opendir.c: Likewise.
This commit is contained in:
Ulrich Drepper
2003-07-15 07:52:52 +00:00
parent da35d15e2b
commit 7329994338
27 changed files with 543 additions and 179 deletions
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31
sysdeps/unix/sysv/linux/not-cancel.h
View File

@@ -21,33 +21,36 @@
#include <sysdep.h>
/* Uncancelable open. */
#ifdef INLINE_SYSCALL
# define open_not_cancel(name, flags, mode) \
#define open_not_cancel(name, flags, mode) \
INLINE_SYSCALL (open, 3, (const char *) (name), (flags), (mode))
#endif
#define open_not_cancel_2(name, flags) \
INLINE_SYSCALL (open, 2, (const char *) (name), (flags))
/* Uncancelable close. */
#ifdef INLINE_SYSCALL
# define close_not_cancel_no_status(fd) \
#define close_not_cancel(fd) \
INLINE_SYSCALL (close, 1, fd)
#define close_not_cancel_no_status(fd) \
(void) ({ INTERNAL_SYSCALL_DECL (err); \
INTERNAL_SYSCALL (close, err, 1, (fd)); })
#endif
/* Uncancelable read. */
#ifdef INLINE_SYSCALL
# define read_not_cancel(fd, buf, n) \
#define read_not_cancel(fd, buf, n) \
INLINE_SYSCALL (read, 3, (fd), (buf), (n))
#endif
/* Uncancelable write. */
#ifdef INLINE_SYSCALL
# define write_not_cancel(fd, buf, n) \
#define write_not_cancel(fd, buf, n) \
INLINE_SYSCALL (write, 3, (fd), (buf), (n))
#endif
/* Uncancelable writev. */
#ifdef INLINE_SYSCALL
# define writev_not_cancel_no_status(fd, iov, n) \
#define writev_not_cancel_no_status(fd, iov, n) \
(void) ({ INTERNAL_SYSCALL_DECL (err); \
INTERNAL_SYSCALL (writev, err, 3, (fd), (iov), (n)); })
/* Uncancelable waitpid. */
#ifdef __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