X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fsignal%2Fsigaction.c;h=2331dc93b6886a3abe9b141c16f350fa519aa974;hb=c8ea985748a6857ac5db9ef50f9c92e2966c04d5;hp=18956c6b24a84724143df86e1679fcc52a683620;hpb=99b8a25e941e54537bf39ca2f265c345f393f112;p=musl diff --git a/src/signal/sigaction.c b/src/signal/sigaction.c index 18956c6b..2331dc93 100644 --- a/src/signal/sigaction.c +++ b/src/signal/sigaction.c @@ -3,37 +3,35 @@ #include #include "syscall.h" #include "pthread_impl.h" +#include "libc.h" +#include "ksigaction.h" void __restore(), __restore_rt(); -int __libc_sigaction(int sig, const struct sigaction *sa, struct sigaction *old) +static pthread_t dummy(void) { return 0; } +weak_alias(dummy, __pthread_self_def); + +int __libc_sigaction(int sig, const struct sigaction *restrict sa, struct sigaction *restrict old) { - struct { - void *handler; - unsigned long flags; - void (*restorer)(void); - sigset_t mask; - } ksa, kold; - long pksa=0, pkold=0; + struct k_sigaction ksa; if (sa) { ksa.handler = sa->sa_handler; ksa.flags = sa->sa_flags | SA_RESTORER; ksa.restorer = (sa->sa_flags & SA_SIGINFO) ? __restore_rt : __restore; - ksa.mask = sa->sa_mask; - pksa = (long)&ksa; + memcpy(&ksa.mask, &sa->sa_mask, sizeof ksa.mask); } - if (old) pkold = (long)&kold; - if (syscall(SYS_rt_sigaction, sig, pksa, pkold, 8)) + __pthread_self_def(); + if (syscall(SYS_rt_sigaction, sig, sa?&ksa:0, old?&ksa:0, sizeof ksa.mask)) return -1; if (old) { - old->sa_handler = kold.handler; - old->sa_flags = kold.flags; - old->sa_mask = kold.mask; + old->sa_handler = ksa.handler; + old->sa_flags = ksa.flags; + memcpy(&old->sa_mask, &ksa.mask, sizeof ksa.mask); } return 0; } -int __sigaction(int sig, const struct sigaction *sa, struct sigaction *old) +int __sigaction(int sig, const struct sigaction *restrict sa, struct sigaction *restrict old) { if (sig-32U < 3) { errno = EINVAL;