kaguya
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
#include <mlibc/ansi-sysdeps.hpp>
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#include <mlibc/debug.hpp>
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#include <aero/syscall.h>
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#include <sys/types.h>
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#define LOG_SIGACTION_INSTALL 0
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extern "C" void __mlibc_signal_restore(); // defined in `signals.S`
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namespace mlibc {
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int sys_sigaction(int how, const struct sigaction *__restrict action,
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struct sigaction *__restrict old_action) {
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#if LOG_SIGACTION_INSTALL
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mlibc::infoLogger() << "sys_sigaction: signal " << how << frg::endlog;
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mlibc::infoLogger() << "sys_sigaction: size: " << sizeof(*action)
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<< frg::endlog;
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if (action != NULL) {
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mlibc::infoLogger() << "sys_sigaction: handler "
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<< (int64_t)action->sa_handler << frg::endlog;
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mlibc::infoLogger() << "sys_sigaction: action "
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<< (int64_t)action->sa_sigaction << frg::endlog;
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mlibc::infoLogger() << "sys_sigaction: flags "
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<< (int64_t)action->sa_flags << frg::endlog;
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}
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mlibc::infoLogger() << frg::endlog;
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#endif
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auto sigreturn = (sc_word_t)__mlibc_signal_restore;
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auto ret = syscall(SYS_SIGACTION, how, (sc_word_t)action, sigreturn,
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(sc_word_t)old_action);
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if(int e = sc_error(ret); e)
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return e;
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return 0;
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}
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int sys_sigprocmask(int how, const sigset_t *__restrict set,
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sigset_t *__restrict retrieve) {
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auto ret = syscall(SYS_SIGPROCMASK, how, set, retrieve);
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if(int e = sc_error(ret); e)
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return e;
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return 0;
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}
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} // namespace mlibc
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