diff options
Diffstat (limited to 'winsup/cygwin/sigproc.h')
| -rw-r--r-- | winsup/cygwin/sigproc.h | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/winsup/cygwin/sigproc.h b/winsup/cygwin/sigproc.h index 06ebd68d8..a86c6bc42 100644 --- a/winsup/cygwin/sigproc.h +++ b/winsup/cygwin/sigproc.h @@ -58,9 +58,13 @@ struct sigpacket int __stdcall process () __attribute__ ((regparm (1))); }; -void __stdcall sig_dispatch_pending (bool fast = false) - __attribute__ ((regparm (1))); -void set_signal_mask (sigset_t&, sigset_t) __attribute__ ((regparm (2))); +extern HANDLE signal_arrived; +extern HANDLE sigCONT; + +void __stdcall sig_dispatch_pending (bool fast = false); +#ifdef EXITCODE_SET +extern "C" void __stdcall set_signal_mask (sigset_t newmask, sigset_t&); +#endif int __stdcall handle_sigprocmask (int sig, const sigset_t *set, sigset_t *oldset, sigset_t& opmask) __attribute__ ((regparm (3))); @@ -76,12 +80,40 @@ void __stdcall proc_terminate (); void __stdcall sigproc_init (); #ifdef __INSIDE_CYGWIN__ void __stdcall sigproc_terminate (enum exit_states); + +static inline DWORD __attribute__ ((always_inline)) +cygwait (HANDLE h, DWORD howlong = INFINITE) +{ + HANDLE w4[3]; + DWORD n = 0; + DWORD wait_signal; + if ((w4[n] = h) != NULL) + wait_signal = WAIT_OBJECT_0 + ++n; + else + wait_signal = WAIT_OBJECT_0 + 15; /* Arbitrary. Don't call signal + handler if only waiting for signal */ + w4[n++] = signal_arrived; + if ((w4[n] = pthread::get_cancel_event ()) != NULL) + n++; + DWORD res; + while ((res = WaitForMultipleObjects (n, w4, FALSE, howlong)) == wait_signal + && (_my_tls.call_signal_handler () || &_my_tls != _main_tls)) + continue; + return res; +} + +static inline DWORD __attribute__ ((always_inline)) +cygwait (DWORD wait) +{ + return cygwait ((HANDLE) NULL, wait); +} #endif bool __stdcall pid_exists (pid_t) __attribute__ ((regparm(1))); int __stdcall sig_send (_pinfo *, siginfo_t&, class _cygtls *tls = NULL) __attribute__ ((regparm (3))); int __stdcall sig_send (_pinfo *, int) __attribute__ ((regparm (2))); void __stdcall signal_fixup_after_exec (); void __stdcall sigalloc (); +void __stdcall create_signal_arrived (); int kill_pgrp (pid_t, siginfo_t&); int killsys (pid_t, int); |