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* sysdeps/unix/sysv/linux/sigaction.c: If SIGCANCEL is defined
	define sigaction and __sigaction as wrappers around
	__libc_sigaction which rejects changing SIGCANCEL.
	* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
This commit is contained in:
Ulrich Drepper 2002-09-18 08:27:02 +00:00
parent b7cb624be9
commit ace55c73dd
3 changed files with 43 additions and 0 deletions
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5
ChangeLog
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@ -1,5 +1,10 @@
2002-09-18 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/sigaction.c: If SIGCANCEL is defined
define sigaction and __sigaction as wrappers around
__libc_sigaction which rejects changing SIGCANCEL.
* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/i386/clone.S: Add support for SETTLS and
SETTID/CLEARTID.

19
sysdeps/unix/sysv/linux/i386/sigaction.c
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@ -157,9 +157,28 @@ __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
#endif
}
#ifndef SIGCANCEL
weak_alias (__libc_sigaction, __sigaction)
libc_hidden_weak (__sigaction)
weak_alias (__libc_sigaction, sigaction)
#else
int
__sigaction (sig, act, oact)
int sig;
const struct sigaction *act;
struct sigaction *oact;
{
if (sig == SIGCANCEL)
{
__set_errno (EINVAL);
return -1;
}
return __libc_sigaction (sig, act, oact);
}
libc_hidden_weak (__sigaction)
weak_alias (__sigaction, sigaction)
#endif
/* NOTE: Please think twice before making any changes to the bits of
code below. GDB needs some intimate knowledge about it to

19
sysdeps/unix/sysv/linux/sigaction.c
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@ -133,6 +133,25 @@ __libc_sigaction (sig, act, oact)
#endif
}
#ifndef SIGCANCEL
weak_alias (__libc_sigaction, __sigaction)
libc_hidden_weak (__sigaction)
weak_alias (__libc_sigaction, sigaction)
#else
int
__sigaction (sig, act, oact)
int sig;
const struct sigaction *act;
struct sigaction *oact;
{
if (sig == SIGCANCEL)
{
__set_errno (EINVAL);
return -1;
}
return __libc_sigaction (sig, act, oact);
}
libc_hidden_weak (__sigaction)
weak_alias (__sigaction, sigaction)
#endif