X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fsignal%2Fsigaction.c;h=e0c58b734e9d22c3fa37682aaa85bee84ccabe89;hb=2d93d6446191def352b8913e859d6104f1398c72;hp=3d374e1f45bf661a7a278fc1ba060ada8e3e6735;hpb=aa398f56fa398f2202b04e82c67f822f3233786f;p=musl diff --git a/src/signal/sigaction.c b/src/signal/sigaction.c index 3d374e1f..e0c58b73 100644 --- a/src/signal/sigaction.c +++ b/src/signal/sigaction.c @@ -3,39 +3,37 @@ #include #include "syscall.h" #include "pthread_impl.h" +#include "libc.h" +#include "ksigaction.h" void __restore(), __restore_rt(); +static pthread_t dummy(void) { return 0; } +weak_alias(dummy, __pthread_self_def); + int __libc_sigaction(int sig, const struct sigaction *sa, struct sigaction *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) { - if (sig == SIGCANCEL || sig == SIGSYSCALL) { + if (sig-32U < 3) { errno = EINVAL; return -1; }