diff options
Diffstat (limited to 'lib/mlibc/sysdeps/aero/generic/signals.cpp')
| -rw-r--r-- | lib/mlibc/sysdeps/aero/generic/signals.cpp | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/lib/mlibc/sysdeps/aero/generic/signals.cpp b/lib/mlibc/sysdeps/aero/generic/signals.cpp new file mode 100644 index 0000000..a6f69ff --- /dev/null +++ b/lib/mlibc/sysdeps/aero/generic/signals.cpp @@ -0,0 +1,53 @@ +#include <mlibc/ansi-sysdeps.hpp> +#include <mlibc/debug.hpp> + +#include <aero/syscall.h> +#include <sys/types.h> + +#define LOG_SIGACTION_INSTALL 0 + +extern "C" void __mlibc_signal_restore(); // defined in `signals.S` + +namespace mlibc { +int sys_sigaction(int how, const struct sigaction *__restrict action, + struct sigaction *__restrict old_action) { +#if LOG_SIGACTION_INSTALL + mlibc::infoLogger() << "sys_sigaction: signal " << how << frg::endlog; + mlibc::infoLogger() << "sys_sigaction: size: " << sizeof(*action) + << frg::endlog; + + if (action != NULL) { + mlibc::infoLogger() << "sys_sigaction: handler " + << (int64_t)action->sa_handler << frg::endlog; + mlibc::infoLogger() << "sys_sigaction: action " + << (int64_t)action->sa_sigaction << frg::endlog; + mlibc::infoLogger() << "sys_sigaction: flags " + << (int64_t)action->sa_flags << frg::endlog; + } + + mlibc::infoLogger() << frg::endlog; +#endif + + auto sigreturn = (sc_word_t)__mlibc_signal_restore; + + auto res = syscall(SYS_SIGACTION, how, (sc_word_t)action, sigreturn, + (sc_word_t)old_action); + + if (res < 0) { + return -res; + } + + return 0; +} + +int sys_sigprocmask(int how, const sigset_t *__restrict set, + sigset_t *__restrict retrieve) { + auto result = syscall(SYS_SIGPROCMASK, how, set, retrieve); + + if (result < 0) { + return -result; + } + + return 0; +} +} // namespace mlibc
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