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Kernel+LibC: Implement sigaltstack()

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This is required for compiling wine for serenity
This commit is contained in:
Idan Horowitz 2021-10-28 23:33:41 +03:00
parent d5d0eb45bf
commit f415218afe
9 changed files with 229 additions and 2 deletions
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6
Userland/Libraries/LibC/signal.cpp
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@ -75,6 +75,12 @@ int sigaddset(sigset_t* set, int sig)
return 0;
}
int sigaltstack(const stack_t* ss, stack_t* old_ss)
{
int rc = syscall(SC_sigaltstack, ss, old_ss);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int sigdelset(sigset_t* set, int sig)
{
if (sig < 1 || sig > 32) {

1
Userland/Libraries/LibC/signal.h
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@ -21,6 +21,7 @@ int sigaction(int sig, const struct sigaction* act, struct sigaction* old_act);
int sigemptyset(sigset_t*);
int sigfillset(sigset_t*);
int sigaddset(sigset_t*, int sig);
int sigaltstack(const stack_t* ss, stack_t* old_ss);
int sigdelset(sigset_t*, int sig);
int sigismember(const sigset_t*, int sig);
int sigprocmask(int how, const sigset_t* set, sigset_t* old_set);