diff options
Diffstat (limited to 'lib/libthr/thread/thr_sig.c')
| -rw-r--r-- | lib/libthr/thread/thr_sig.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/lib/libthr/thread/thr_sig.c b/lib/libthr/thread/thr_sig.c index 66358db..46cbd82 100644 --- a/lib/libthr/thread/thr_sig.c +++ b/lib/libthr/thread/thr_sig.c @@ -32,6 +32,7 @@ #include <sys/signalvar.h> #include <signal.h> #include <errno.h> +#include <stdlib.h> #include <string.h> #include <pthread.h> #include "un-namespace.h" @@ -314,16 +315,24 @@ check_cancel(struct pthread *curthread, ucontext_t *ucp) static void check_deferred_signal(struct pthread *curthread) { - ucontext_t uc; + ucontext_t *uc; struct sigaction act; siginfo_t info; if (__predict_true(curthread->deferred_siginfo.si_signo == 0)) return; - getcontext(&uc); + +#if defined(__amd64__) || defined(__i386__) + uc = alloca(__getcontextx_size()); + __fillcontextx((char *)uc); +#else + ucontext_t ucv; + uc = &ucv; + getcontext(uc); +#endif if (curthread->deferred_siginfo.si_signo != 0) { act = curthread->deferred_sigact; - uc.uc_sigmask = curthread->deferred_sigmask; + uc->uc_sigmask = curthread->deferred_sigmask; memcpy(&info, &curthread->deferred_siginfo, sizeof(siginfo_t)); /* remove signal */ curthread->deferred_siginfo.si_signo = 0; @@ -334,7 +343,7 @@ check_deferred_signal(struct pthread *curthread) tact.sa_handler = SIG_DFL; _sigaction(info.si_signo, &tact, NULL); } - handle_signal(&act, info.si_signo, &info, &uc); + handle_signal(&act, info.si_signo, &info, uc); } } |
