diff options
| author | Egor Duda <deo@logos-m.ru> | 2001-02-16 21:49:20 +0300 |
|---|---|---|
| committer | Egor Duda <deo@logos-m.ru> | 2001-02-16 21:49:20 +0300 |
| commit | fc68bf34bb2352ce876e5e1173f518d8bdd1573a (patch) | |
| tree | f1765af0a32dd49df55e8f882af12065d3158173 /winsup | |
| parent | 00aae5a7403708895cbfcc34bc115838f73cf11f (diff) | |
* signal.cc (signal): Prohibit setting handlers for SIGKILL and SIGSTOP
* signal.cc (sigaction): Ditto
* syscalls.cc (_lseek): Return EINVAL on invalid input
Diffstat (limited to 'winsup')
| -rw-r--r-- | winsup/cygwin/ChangeLog | 7 | ||||
| -rw-r--r-- | winsup/cygwin/signal.cc | 4 | ||||
| -rw-r--r-- | winsup/cygwin/syscalls.cc | 7 |
3 files changed, 15 insertions, 3 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index 05a9c5c91..c035a64a7 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,10 @@ +2001-02-16 Egor Duda <deo@logos-m.ru> + + * signal.cc (signal): Prohibit setting handlers for SIGKILL and + SIGSTOP + * signal.cc (sigaction): Ditto + * syscalls.cc (_lseek): Return EINVAL on invalid input + Wed Feb 14 14:54:40 2001 Christophe Iasci <chrisiasci@aol.com> * dlfcn.cc (dlopen): Do not call LoadLibrary with a NULL pointer, when diff --git a/winsup/cygwin/signal.cc b/winsup/cygwin/signal.cc index 61535fff3..ea4a4394a 100644 --- a/winsup/cygwin/signal.cc +++ b/winsup/cygwin/signal.cc @@ -46,7 +46,7 @@ signal (int sig, _sig_func_ptr func) _sig_func_ptr prev; /* check that sig is in right range */ - if (sig < 0 || sig >= NSIG) + if (sig < 0 || sig >= NSIG || sig == SIGKILL || sig == SIGSTOP) { set_errno (EINVAL); syscall_printf ("SIG_ERR = signal (%d, %p)", sig, func); @@ -260,7 +260,7 @@ sigaction (int sig, const struct sigaction *newact, struct sigaction *oldact) if (newact) { - if ((sig == SIGKILL || sig == SIGSTOP) && newact->sa_handler != SIG_DFL) + if (sig == SIGKILL || sig == SIGSTOP) { set_errno (EINVAL); return -1; diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc index 99e3de7ec..d5bb510ee 100644 --- a/winsup/cygwin/syscalls.cc +++ b/winsup/cygwin/syscalls.cc @@ -447,7 +447,12 @@ _lseek (int fd, off_t pos, int dir) off_t res; sigframe thisframe (mainthread); - if (fdtab.not_open (fd)) + if ( dir != SEEK_SET && dir != SEEK_CUR && dir != SEEK_END ) + { + set_errno ( EINVAL ); + res = -1; + } + else if (fdtab.not_open (fd)) { set_errno (EBADF); res = -1; |