diff options
| author | Eric Andersen <andersen@codepoet.org> | 2003-01-22 17:43:14 +0000 |
|---|---|---|
| committer | Eric Andersen <andersen@codepoet.org> | 2003-01-22 17:43:14 +0000 |
| commit | 9febc84ad3517e6226418ca6b9280ab1f069209f (patch) | |
| tree | ff81fa54fb323029b34fb516114736417a55ca3f /libc/signal/sigaction.c | |
| parent | 270ae06ae88745421f99a161e837a9eea6eaf83a (diff) | |
Update sigaction syscall names to act more like glibc. Fix the x86 sigaction
implementation such that gdb can actually debug signal handlers. Gdb behaves
much better now, for example, on multi-threaded apps.
-Erik
Diffstat (limited to 'libc/signal/sigaction.c')
| -rw-r--r-- | libc/signal/sigaction.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/libc/signal/sigaction.c b/libc/signal/sigaction.c index 96e3d938d..eb6b43a49 100644 --- a/libc/signal/sigaction.c +++ b/libc/signal/sigaction.c @@ -32,6 +32,12 @@ int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oa int result; struct kernel_sigaction kact, koact; +#ifdef SIGCANCEL + if (sig == SIGCANCEL) { + __set_errno (EINVAL); + return -1; + } +#endif if (act) { kact.k_sa_handler = act->sa_handler; memcpy (&kact.sa_mask, &act->sa_mask, sizeof (kact.sa_mask)); @@ -43,7 +49,7 @@ int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oa /* XXX The size argument hopefully will have to be changed to the real size of the user-level sigset_t. */ - result = __rt_sigaction(sig, act ? __ptrvalue (&kact) : NULL, + result = __syscall_rt_sigaction(sig, act ? __ptrvalue (&kact) : NULL, oact ? __ptrvalue (&koact) : NULL, _NSIG / 8); if (oact && result >= 0) { @@ -67,6 +73,12 @@ int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oa int result; struct old_kernel_sigaction kact, koact; +#ifdef SIGCANCEL + if (sig == SIGCANCEL) { + __set_errno (EINVAL); + return -1; + } +#endif if (act) { kact.k_sa_handler = act->sa_handler; kact.sa_mask = act->sa_mask.__val[0]; @@ -75,7 +87,7 @@ int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oa kact.sa_restorer = act->sa_restorer; # endif } - result = __sigaction(sig, act ? __ptrvalue (&kact) : NULL, + result = __syscall_sigaction(sig, act ? __ptrvalue (&kact) : NULL, oact ? __ptrvalue (&koact) : NULL); if (oact && result >= 0) { |