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* sysdeps/generic/utmp_file.c: Use not-cancelable syscalls all
	over the place.  It would be allowed to have these fucntions as
	cancellation points but the cleanup would be ugly and a lot of
	work.

	* sysdeps/generic/not-cancel.h (fcntl_not_cancel): Define.
	* sysdeps/unix/sysv/linux/not-cancel.h (fcntl_not_cancel): Define.

	* include/fcntl.h (__fcntl_nocancel): Declare.
	* sysdeps/unix/sysv/linux/fcntl.c: New file.
	* sysdeps/unix/sysv/linux/i386/fcntl.c (__libc_fcntl): Only enable
	cancellation if absolutely needed.
	(__fcntl_nocancel): Define.

	* posix/unistd.h (gethostid): Remove __THROW.  Clarify comment.
	* sysdeps/unix/sysv/linux/Makefile (CFLAGS-gethostid.c): Add
	-fexceptions.
	* sysdeps/unix/sysv/linux/gethostid.c (gethostid): Use
	extend_alloca.

	* resolv/res_init.c (__res_nclose): Use close_not_cancel_no_status
	instead of __close.
This commit is contained in:
Ulrich Drepper
2003-09-04 14:08:24 +00:00
parent a452e4e629
commit ce42435cab
12 changed files with 169 additions and 67 deletions
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7
sysdeps/unix/sysv/linux/gethostid.c
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@ -101,11 +101,8 @@ gethostid ()
if (herr != NETDB_INTERNAL || errno != ERANGE)
return 0;
else
{
/* Enlarge buffer. */
buflen *= 2;
buffer = __alloca (buflen);
}
/* Enlarge buffer. */
buffer = extend_alloca (buffer, buflen, 2 * buflen);
in.s_addr = 0;
memcpy (&in, hp->h_addr,